SCIENTIFIC PROGRAM

MONDAY, AUGUST 14, 1989

09.00 - 09.30	OPENING CEREMONY (HALL B)

	Chairmen: Y. Kanaoka, Hokkaido University, Japan
	A. Hassner, Bar Ilan University, Israel
09.30 - 10.30	PLENARY 1 (HALL B)

	Chairman: S. Sarel, Israel
09.30	THE BIOSYNTHESIS OF PENICILLINS AND CEPHALOSPORINS
	J.E. Baldwin, University of Oxford, UK
10.30	Coffee Break
11.00 - 12.10	SESSION A (HALL A)

	Chairman: A. Laurent, University of Lyon, France
11.00	XANTHATES REVISITED: ANOTHER LOOK AT XANTHATES AS SOURCES OF ALKYL AND ACYL RADICALS
	S.Z. Zard, Ecole Polytechnique, France
11.30	2,3-DIHYDRO-1H-1,2,4-TRIAZOL-1-YLS: A NOVEL GROUP OF STABLE FREE RADICALS
	F.A. Neugebauer, H. Fischer, C. Krieger, FRG
11.50	COMPLETELY STEREOSELECTIVE SYNTHESIS OF 16-MEMBERED MACROLIDE AGLYCONES, CARBONOLIDE A, LEUCONOLIDES, AND MARIDONOLIDES, VIA CARBONOLIDE B TYPE COMPOUNDS CONTROLLING THEIR MACRO-RING CONFORMATION WITH PROTECTING GROUPS
	N. Nakajima, O. Yonemitsu, Japan
12.10	Lunch Break
11.00 - 12.10	SESSION B (HALL B)

	Chairman: S. Gronowitz, University of Lund, Sweden
11.00	NOVEL PORPHYRINOIDS
	E. Vogel, M. Kocher, M. Sicken, B. Knipp, P. Rohrig, University of Koeln, FRG
11.30	THE NOVEL CHEMISTRY OF 12<(2,6-PYRIDINO)₃-1₃-CORONAND-3> 1,5,9- TRIONE AND DERIVATIVES
	G.R. Newkome, Y.J. Joo, F.R. Fronczek, USA
11.50	HETEROCYCLIC SYNTHESES USING SELENIUM STABILIZED CARBON ELECTROPHILES AND PYRROLE
	L. Hevesi, G. Proess, Belgium
12.10	Lunch Break
11.00 - 12.10	SESSION C (HALL C)

	Chairman: L. Bauer, University of Illinois at Chicago, USA
11.00	RATIONALE AND SYNTHESIS OF PHARMACOLOGICALLY ACTIVE HEXAHYDRONAPHTHOXAZINES AND -THIAZINES
	J. Nozulak, Sandoz, Switzerland
11.30	SYNTHESIS AND REACTIONS OF 3-TRIMETHYLSIL YL-2-AZETIDINETHIONES
	E. Schaumann, C. Spanka, R. Isecke, FRG
11.50	K-REGION IMINES OF BENZO [h] QUINOLINE, BENZO [f] QUINOLINE AND 1, 10 PHENANTHROLINE
	E. Abu-Shqara, J. Blum, Israel
12.10	Lunch Break
11.00 - 12.10	SESSION D (HALL D)

	Chairman: Z. Goldschmldt, Bar Ilan University, Israel
11.00	4nπ POLYHETEROCYCLIC DIANIONS - A NMR STUDY
	M. Rabinovitz, Hebrew University of Jerusalem, Israel
11.30	5,8-DIHYDROBENZO[f]-1,2,4-THIADIAZOLO[4,5-a] [1,3]DIAZEPINES - SYNTHESIS AND REACTIONS WITH HETEROCUMULENES
	L. Lai, D.H. Reid, South Africa
11.50	2H-BENZIMIDAZOLE-2-SPIROCYCLOHEXANES. VERSATILE INTERMEDIATES FOR HETEROCYCLIC SYNTHESES
	A. Cada, R. Neidlein, H. Suschltzky, FRG, UK
12.10	Lunch Break
14.00 - 15.00	PLENARY 2 (HALL B)

	Chairman: E. Vogel, University of Koeln, FRG
14.00	1,3-DIOXIN-4-ONES AS VERSATILE INTERMEDIATES FOR ORGANIC SYNTHESIS
	C. Kaneko, Tohoku University, Japan
15.00	Coffee Break

15.00 - 16.30

Board No.	POSTER SESSION 1
1	K-10 MONTMORILLONITE CATALYZED NEW 1,4-DIHYDROPYRIDINE SYNTHESIS
	M. Balogh, I. Hermecz, T. Eros-Takacsy, Hungary
2	SYNTHESIS AND PHYSICAL PROPERTIES OF ETHYNYL BIMANE OLIGOMERS
	M. Ben-Shoshan, S.M. Chiacchiera, E.M. Kosower, Israel
3	STRUCTURE OF NORBORNENE-FUSED 1,3-OXAZINE DOUBLE CYCLOADUCTS
	P. Sohar, G. Stajer, G. Bernath, Hungary
4	POTASSIUM THIOCYANATE MEDIATED AN ELEGANT SYNTHESIS OF 4-THIAZOLIDINONES
	R. Lakhan, R. Lakhan Singh, India
5	REACTIONS OF SUBSTITUTED 2-TRIHALOMETHYL-4-CHLOROQUINOLINES WITH ALKOXIDES
	I. Kohegyl, Hungary
6	THE SYNTHESIS AND REACTIONS OF SOME PYRIMIDINES HAVING SULFUR CONTAINING SUBSTITUENTS
	D.T. Hurst, UK
7	COMPOUNDS WITH QUINONE STRUCTURE AS STARTING MATERIAL IN THE SYNTHESIS OF NEW HETEROCYCLIC SYSTEMS
	S. Fajgelj, B. Stanovnik, M. Tisler, Yugoslavia
8	RING INTERCONVERSION BETWEEN A 1,4-BENZODIAZEPINE AND A 14-MEMBERED RING
	J. Bergman, A. Brynolf, Sweden
9	REACTIVITY OF HETEROCYCLIC COMPOUNDS WITH LOW VALENT TITANIUM
	L. Castedo, M.M. Cid Fernandez, A. Dominguez, J.A. Seijas, M.C. Villaverde, Spain
10	NOVEL APPLICATIONS OF THE TERT-AMINO EFFECT
	W. Verboom, W.H.N. Nijhuis, D.N. Reinhoudt, Netherlands
11	THE CROSS COUPLING CONNECTION TO THE AROMATIC DIRECTED METALATION REACTION. REGIOSELECTIVE ROUTES TO ISOMERIC NAPHTHYRIDINONES
	M.A. Siddiqui, T. Aubert, V. Snieckus, Canada
12	PREPARATION AND ¹³C NMR SPECTRA OF OXETANES AND ITS METHYL DERIVATIVES
	K. Rossi, K. Pihlaja, Finland
13	SYNTHESIS OF BIGINELLI-COMPOUNDS AS POTENTIAL ANTIHYPERTENSIVE AGENTS
	C.O. Kappe, P. Roschger, Austria
14	SYNTHESIS AND RING TRANSFORMATION OF 2-SUBSTITUTED 6-METYHL-4-OXO-4H-PYRIDO[1,2-a]PYRIMIDINE-3-ACRYLATES
	A. Horvath, I. Hermecz, Hungary
15	3,5-BIS(4-METHYLPYRAZOL-1-YL)-4-METHYLPYRAZOLE-RHODIUM (I) COMPLEXES
	P. Cabildo, R.M. Claramunt, C. Lopez Garcia, D. Sanz, J. Elguero, Spain
16	ALKYLATION, ACYLATION AND SILYLATION OF 5-MEMBERED NITROGEN-HETEROAROMATICS
	M. Begtrup, P. Larsen, Denmark
17	A NEW GENERAL METHOD OF HOMOLYTIC ALKYLATION OF PROTONATED HETEROAROMATIC BASES BY CARBOXYLIC ACIDS OR ALKYL IODIDES AND IODOBENZENE DIACETATE
	E. Vismara, F. Minisci, M.C. Barbosa, F. Fontana, Italy
18	TREATMENT OF AROMATIC ENAMINONES WITH CHLOROSULFURIC ACID
	T. Braden, W. Lowe, FRG
19	2-SUBSTITUTED PYRAZOLE-1-OXIDES. PREPARATION AND REACTIONS
	M. Begtrup, P. Larsen, Denmark
20	2,2,6,6- TETRAMETHYLPIPERIOINE-N-OXYL LABELED ALKYL ARYLTRIAZENE ANALOGS WITH A DUAL TUMOR INHIBITORY AND CARCINOGENIC ACTIVITY
	Z. Raikov, M. Koch, F. Neugebauer, G.F. Kolar, FRG
21	CHROMENS BI PYRIDINE-CATALYZED CONDENSATION OF CITRAL WITH 2,4-DIHYDROXYTHIOBENZAMIDES
	T. Jagodzinski, Poland
22	ENZYMATIC AND CHEMICAL OXIDATION OF 2(1H)-PYRIRIMIDIN-ONES
	J. Hatlelid, K. Undheim, NORWAY
23	PHOTOCHEMICAL AND THERMAL RING TRANSFORMATIONS OF 5‑GLYCOSYL SUBSTITUTED TETRAZOLES
	M. Prhavc, J. Kobe, Yugoslavia
24	4-ETHOXYMETHLYLENE-2-PHENYL-5(4H)-OXAZOLONE AS A SYNTHON FOR THE PREPARATION OF SOME HETEROARYL SUBSTITUTED AMINO ACID DERIVATIVES
	B. Vercek, M. Dobnikar, M. Kocevar, S. Polanc, M. Tisler, Yugoslavia
25	OXIDATION OF BIS-AMIDOXIMES
	E.A. Varella, D.N. Nicolaides, Greece
26	BIOLOGICALLY ACTIVE HETEROCYCLIC COMPOUNDS FROM 3-CYANOPROPIONIC ESTERS
	J. Lange, H. Tondys, M. Gniewosz, E. Pytlewska, Poland
27	REACTIONS OF BENZAMIOE OXIME ANALOGUES WITH CARBODIIMIDE DERIVATIVES
	E. Kawashima, K. Tabei, Japan
28	COTARNINE SYNTHESIS
	Y. Takuma, N. Imaki, Japan
29	SYNTHESIS OF 2,3-DIDEOXY-3-AZIDO-HEXAPYRANOSES AND THEIR COUPLING WITH PYRIMIDINES
	P. Hansen, E.B. Pedersen, Denmark
30	SYNTHESIS AND RING TRANSFORMATION OF A NEW FUSED as-TRIAZINIUM SALT
	Z. Juhasz-Riedl, G. Hajos, G. Kollenz, A. Messmer, Hungary, Austria
31	PYROLYSIS OF α-BENZOTRIAZOLYL-b-OXO-PHOSPHORUS YLIDES: UNEXPECTED ELIMINATION OF PHOSPHINE TO GIVE A 3-H-INDOL-3-ONE
	A.R. Aitken, A.P. Ford, PEY. Milne, UK
32	A NEW PTERIDINE SYNTHESIS
	U. Urleb, R. Neidlein, FRG
33	SYNTHESIS AND STRUCTURE-ACTIVITY OF 4(5)-(2,2-DIPHENYLETHYL) IMIDAZOLES AS NEW α2 ANTAGONISTS
	A.A. Cordi, M.P. Snyers, D. Giraud-Mangin, C. Van der Maesen, H. Gorissen, P.
	Calderon, Belgium
34	SYNTHESIS OF (5R)-6-(1-METHYL-1,2,3,-TRIAZOL-4-YLMETHYLENE) PENEMS AND CARBAPENEMS FROM 6-AMINOPENICILLANIC ACID
	G. Bruton, S. Coulton, J. Harbridge, I. Francois, N.F. Osborne, G. Walker, UK
35	TWO NEW UNEXPECTED RING CLOSURES FROM 3-AMINO-1,5-DIARYL-1H-1,2,4 -TRIAZOLES
	E.K. Bozo, G. Szilagyi, J. Lango, I. Pelczer, Hungary
36	SYNTHESIS OF 2-ETHENYL-3-PHENYL AND 2-ETHYNYL-3-PHENYLBENZOFURANS BY PHOTOCHEMICAL TRANSFORMATIONS
	T. Sumathi, K.K. Balasubramanian, India
37	TOTAL SYNTHESIS OF YUEHCHUKENE - NEW METHODOLOGY OPENS THE GATE TO STRUCTURAL ANALOGS
	L. Venemalm, J. Bergman, Sweden
38	SYNTHESIS OF TRICYCLIC ANNELATED PYRIDINES BY INTRAMOLECULAR DIELS-ALDER REACTIONS
	W.A.W. Stolle, A.T.M. Marcelis, H.C. van der Plas, Netherlands
39	FACILE SYNTHESIS OF NOVEL BIOACTIVE HETEROCYCLES DERIVED FROM ISATINS
	K.C. Joshi, A. Dandia, S. Sanan, India
40	SYNTHESIS AND ANTIMICROBIAL ACTIVITY OF SOME NOVEL ANNELATED 1,4-BENZOTHIAZINES AND 1,5-BENZOTHIAZEPINES
	V. Ambrogi, G. Grandolini, L. Perioli, C. Rossi, Italy
41	SYNTHESIS OF 8-(ω-HALOPOLYMETHYLENO)-IMIDAZO[1,5-a]-1,3,5-TRIAZIN-4-ONES, POTENTIAL INHIBITORS OF PURINE NUCLEOSIDE PHOSPHORYLASE
	B. Golankiewicz, P. Januszczyk, K. Dimmich, Poland
42	DYNAMIC STEREOCHEMISTRY OF 3,4,5,6- TETRA-[1'-AZIRIDINYL]-PYRIDAZINE
	G. Binsch, A. Schlossman, S. Sarel, FRG, Israel
43	RING-CHAIN TAUTOMERISM OF 1,3-OXAZOLIDINE DERIVATIVES OF NOREPHEDRINE AND NORSPEUDOEPHEDRINE, AND THEIR SYNTHETIC APPLICATIONS
	F. Fulop, G. Bernath, K. Pihlaja, Hungary, Finland
44	SYNTHESIS OF SOME NEW HYDANTOIN DERIVATIVES AND THE EVALUATION OF THEIR PHARMACOLOGICAL PROPERTIES
	K. Sharma, A. Tewaru, M. Sharma, S.C. Mehra, India
45	AN UNEXPECTED REARRANGEMENT OBSERVED DURING THE REACTION OF 5-AMINO-1,2,4-TRIAZOLES WITH METHYL 4-OXO-3-PYRIDINECARBOXYLATE HYDROCHLORIDE
	J. Reiter, E. Rivo, Hungary
46	CYCLOADDITION AND RING TRANSFORMATION REACTIONS OF 2-ARYL AND 4-ARYL-1,3-BENZOTHIAZINES
	J. Szabo, L. Fodor, L. Simon, S.G. Talpas, G. Bernath, P. Sohar, Hungary
47	THE GENERATION AND USE OF α-ACYL CATIONS IN AROMATIC SUBSTITUTION REACTIONS: Ag⁺ INDUCED REACTION OF 3-(1-BROMOMETHYL)-5,6-DIHYDRO-1,4,2-DIOXAZINE DERIVATIVES
	S. Shatzmiller, S. Bercovici, Israel
48	PREPARATION OF CYCLOALKANE- AND NORBORNANE - CONDENSED PHENYLSUBSTITUTED 1,3- AND 1,4-HETEROCYCLES
	G. Stajer, A.E. Szabo, S. Frimpong-Manso, G. Bernath, P. Sohar, Hungary
49	SYNTHESIS AND CONFORMATIONAL ANALYSIS OF DIBENZODITHIOCINE DERIVATIVES
	J. Szabo, G. Bernath, L. Fodor, P. Sohar, Hungary

16.30 - 18.00	SESSION A (HALL A)

	Chairman: C.W. Holzapfel, Rand Afrikaans University, South Africa
16.30	1,3-DIPOLAR CYCLOADDITIONS OF DIAZOALKANES TO HETEROAROMATIC SYSTEMS. AN EASY ACCESS TO MANY NEW HETEROCYCLIC SYSTEMS
	B. Stanovnik, G. Habjan, B. Jelen, M. Zlicar, M. Tisler, Ljubljana University, Yugoslavia
17.00	A SIMPLE AND EFFECTIVE APPROACH TO COUMESTANS AND AZACOUMESTANS
	R. Laschober, T. Kappe, W. Stadbauer, Austria

17.20	A TWO STEP CONVERSION OF ALDEHYDES INTO FUNCTIONALIZED 5-AND 6-MEMBERED RING THIOETHERS VIA INTRAMOLECULAR CYCLOADDITIONS
	W. Dehaen, A. Hassner, Israel

17.40	SYNTHESIS OF HETEROCYCLIC COMPOUNDS THROUGH THE CYCLIZATION OF CARBON CENTRED IMIDOYL RADICALS
	M.D. Bachi, D. Denenmark, Israel
16.30 - 18.00	SESSION B (HALL B)

	Chairman: B.H. Lipshutz, University of California, Santa Barbara,USA
16.30	C(6)α/C(7)α-FORMAMIDO PENICILLINS AND CEPHALOSPORINS
	R. Southgate, Beecham Pharmaceuticals, UK
17.00	OXIDATION OF LACTAM-DERIVED TMS IMIDATES WITH QUINONES PROCEEDS VIA UNPRECEDENTED QUINONE-SUBSTRATE ADDUCTS
	A. Bhattacharya, L.M. DiMichele, U.H. Dolling, A.W. Douglas, D.L. Hughes, E.J.J. Grabowski, USA

17.20	INTRAMOLECULAR PICTET-SPENGLER REACTION. AN APPROACH TO N-ALKOXYTETRAHYDRO-b-CARBOLINES
	P. Hermkens, J. v. Maarseveen, C. Kruse, H. Scheeren, Netherlands
17.40	AN EFFICIENT ONE STEP SYNTHESIS OF NOVEL HERBICIDAL 1.2.4‑TRIAZINONES
	B. Bohner, H. Tobler, Switzerland
16.30 - 18.00	SESSION C (HALL C)

	Chairman: E. Breuer, Hebrew University of Jerusalem, Israel
16.30	NITRONES AS PRECURSORS OF NITROGEN-FREE SYSTEMS
	J.L Tufariello, Z. Ding, D. Reinhardt, State University of New York at Buttalo,
	USA
17.00	FORMATION AND REACTIONS OF 2,3-DIMETHYLENE-2,3-DIHYDROTHIOPHENE
	A.M. van Leusen, K.J. van den Berg, Netherlands
17.20	THE REACTION OF THIAZOLIUM-4-OLATES WITH NITROSOBENZENE
	N. Itzhak, T. Sheradsky, Israel

17.40	SYNTHESIS OF 1-SUBSTITUTED-1,2,3,4-TETRAHYDRO-b-CARBOLINES
	M. Nakagawa, H. Yamazaki, T. Kawate, T. Mastui, T. Hino, Japan
16.30 - 18.00	SESSION D (HALL D)

	Chairman: H. Wamhoff, University of Bonn, FRG
16.30	NEW REACTIONS AND METALLACYCLES: SYNTHESES OF NOVEL HETEROCYCLES
	R. Neldlein, Heidelberg University, FRG
17.00	1,7-DIPOLAR CYCLISATIONS OF AZIDES AND NITRILE IMIDES
	G.V. Boyd, Israel
17.20	SYNTHETIC STUDIES ON NOVEL ANTITUMOR ALKALOIDS FROM OKINAWAN SPONGES. TOTAL SYNTHESIS OF MANZAMINE C AND RELATED COMPOUNDS
	T. Hino, Y. Torisawa, A. Hashimoto, M. Nakagawa, Japan
17.40	A NEW GENERAL RING OPENING - RING CLOSURE REACTION OF o‑AZIDOFORMYL AZOLES
	J. Becher, K. Pluta, N. Krake, Denmark

TUESDAY, AUGUST 15, 1989

08.30 - 09.30	PLENARY 3 (HALL B)

	Chairman: D. Ben Ishai, Technion-Institute of Technology, Israel
08.30	NEW HETEROCYCLES FROM FUNGI AND SLIME MOLDS
	W. Steglich, University of Bonn, FRG
09.30 - 10.30	PLENARY 4 (HALL B)

	Chairman: S. Shatzmiller, Tel Aviv University, Israel
09.30	THE USE OF HETEROCYCLIC CHEMISTRY IN THE SYNTHESIS OF NATURAL AND UNNATURAL PRODUCTS
	P.N. Confalone, E.I. du Pont de Nemours & Co. Inc., USA
10.30	Coffee Break
11.00 - 12.10	SESSION A (HALL A)

	Chairman: S.A. Lang, Lederle Laboratories, USA
11.00	A NEW OXAZAPHOSPHORINAN CHEMISTRY
	M. Mikolajczyk, Polish Academy of Sciences, Lodz, Poland
11.30	CHIRAL SYNTHESIS OF THE OXAZOLIDINONE ANTIBACTERIAL AGENTS AND THEIR FLUORINATED ANALOGS
	C.L.J. Wang, W.A. Gregory, M.A. Wuonola, USA
11.50	DECISIVE PROOF FOR THE CHARACTERISTIC BAND IN THE INFRARED SPECTRUM OF SULTAMS
	S.H. Doss, GSh. Ebeid, UK, Egypt
12.10	Lunch Break
11.00 - 12.10	SESSION B (HALL B)

	Chairman: J. Bergman, Royal Institute of Technology, Sweden
11.00	FURANS AND HYDROPYRANS AS KEY INTERMEDIATES FOR THE ASYMMETRIC SYNTHESIS OF NATURAL PRODUCTS
	S.F. Martin, University of Texas, Austin, USA
11.30	HETERO-DIELS-ALDER REACTION IN THE STEREOSELECTIVE SYNTHESIS OF RARE SUGARS AND OF INTERMEDIATES FOR MACROLIDE SYNTHESIS
	R.R. Schmidt, L. DeGaudenzi, B. Haag-Zeino, D. Prajapati, H. Rosch, FRG

11.50	THE USE OF CARBOHYDRATE BASED HETEROCYCLES AS CHIRAL SOURCES IN THE SYNTHESIS OF NATURAL PRODUCTS: PENTOSES IN THE SYNTHESIS OF FORSKOLIN ANALOGS
	S. Shatzmiller, E. Bahar, Israel
12.10	Lunch Break
11.00 - 12.10	SESSION C (HALL C)

	Chairman: S. Eguchi, Nagoya University, Japan
11.00	SYNTHESIS OF PENICILLANIC ACID 1,1-DIOXIDES,b-LACTAMASE INHIBITORS
	S. Torii, Okayama University, Japan
11.30	NOVEL PERICYCLIC TYPE REACTIONS OF 5-AMINOPYRAZOLES
	A. Simay, I. Szilagyi, Hungary
11.50	THE SYNTHESIS OF FLUORO[1]BENZOTHIENO[2,3-c]QUINOLINES AND RELATED COMPOUNDS
	R.N. Castle, J.K. Luo, S.L. Castle, L.W. Castle, USA
12.10	Lunch Break
11.00 - 12.10	SESSION D (HALL D)

	Chairman: B.L. Mylari, Pfizer Co., USA
11.00	NEW APPLICATIONS OF METALATION REACTIONS IN THE SYNTHESIS OF ALKALOIDS
	G.W. Gribble, Dartmouth College, USA
11.30	TOTAL SYNTHESIS OF NORSECURININE
	P.A. Jacobi, C. Blum, R. DeSimone, U. Udodong, USA
11.50	NOVEL REARRANGEMENTS OF DIOXODIBENZ[b,f]AZOCINES
	R.M. Letcher, K.W. Ng, K.K. Cheung, Hong Kong
12.10	Lunch Break
14.00 - 15.00	PLENARY 5 (HALL B)

	Chairman: M.D. Bachi, Weizmann Institute of Science, Israel
14.00	SUBSTITUTIONS BY NUCLEOPHILIC FREE-RADICALS: A NEW GENERAL REACTION OF HETEROAROMATIC BASES
	F. Minisci, Politecnico Milano, Italy
15.00	Coffee Break

15.00 - 16.30

Board No.	POSTER SESSION 2
1	SYNTHETIC REACTIONS OF ALIPHATIC NITRO COMPOUNDS WITH GLYCOCYAMIDINES
	K. Harada, J. Yokoyama, S. Zen, Japan
2	NEW QUINOXALINE AND PYRIMIDO/4,5-b/QUINOXALINE DERIVATIVES. POTENTIAL ANTIHYPERTENSIVE AND BLOOD PLATELET ANTI-AGGREGATING AGENTS
	A. Monge, J.A. Palop, I. Urbasos, Spain
3	SYNTHESIS OF SOME NOVEL ANTIBACTERIAL AND ANTIFUNGAL BENZIMIDAZOLES
	D.S. Vlaovic, B.L. Milic, S.M. Dilas, J.S. Balaz, Yugoslavia
4	SYNTHESIS AND TRANSFORMATION OF 5,12-DI(n-ALKYL) THIOQUINANTHRENEDIINIUM BISSALTS
	A. Maslankiewlcz, A. Zieba, Poland
5	REDOX ASPECTS OF THE ACTION INDUCED BY AN ALKYLUMBELIFERONE DERIVATIVE
	C.V. Zanoaga, X.A. Cascaval, C. Paun, Romania
6	SYNTHESIS AND ANTICOAGULANT ACTIVITY 3-BENZYL-4-HYDROXYCOUMARIN DERIVATIVES
	J. Sulko, Poland
7	INTRAMOLECULAR OXIME OLEFIN CYCLOADDITIONS, A NEW ROUTE TO PYRROLIZIDINES AND INDOLIZIDINES
	A. Hassner, R. Maurya, Israel
8	CYCLOADDITIONS OF 2-ALKYLIDENE IMIDAZOLIDINES
	K.P. Hartmann, M. Heuschmann, FRG
9	REACTION OF SYDNONES WITH A FLAVIN MIMIC IN AQUEOUS SOLUTION
	K. Yoshida, T. Suzuki, Y. Yano, Japan
10	CYCLIZATION OF ORTHO-SUBSTITUTED AROMATIC SELENIDES TO THE SELENIUM CONTAINING HETEROCYCLES
	J. Mlochowski, K. Kloc, L. Syper, Poland
11	A GENERAL SYNTHESIS OF 2,6-DIHALOGENO-PYRIDINES STARTING FROM 3,5-DIHALOGENO-2H-1,4-OXAZIN-2-ONES
	L. Meerpoel, M. Ackermans, G. Hoornaert, Belgium
12	TRANSFORMATION OF 4-OXOQUINOLYL-3-QUINOLYL SULFIDES AIMING AT THE SYNTHESIS OF 2,9-DINITROTHIOQUINANTHRENE
	M.J. Maslankiewicz, A. Maslankiewicz, Poland
13	COMPARING THE SYN-(METHYL, ETHYL) BIMANE AND SYN-(ETHYL, METHYL) BIMANE
	D. Yam, D. Marciano, R Berman, E.M. Kosower, Israel
14	SYNTHESIS OF A NOVEL SPIRO SYSTEM: SPIRO [2H-1,3-BENZOTHIAZINE-2,3-[3H]INDOLE]-2',4-DIONE
	K.C. Joshi, R. Jain, S. Nishith, India
15	A SIMPLE NEW ROUTE TO ARISTOLACTAMS
	L. Castedo, J.C. Estevez, R.J. Estevez, JA Seijas, M.C. Villaverde, Spain
16	AN EFFICIENT SYNTHESIS OF BOTH ENANTIOMERS OF BEPRIDIL
	G.J. Heeres, F.H.A. van Bakel, J. Bastan, Netherlands
17	NOVEL DERIVATIVES OF 14-AMINO-EBURNANES
	A. Nemes, J. Kreidl, P. Sohar, Hungary
18	b-LACTAMS FROM ESTER ENOLATES AND SILYLIMINES: AN ENANTIOSPECIFIC SYNTHESIS OF MONOCYCLIC b-LACTAMS
	P. Andreoli, L. Billi, G. Cainelli, M. Panunzio, Italy
19	BIOMIMETIC SYNTHESIS AND REACTIVITY OF 1,4-BENZOTHIAZINES
	O. Crescenzi, C. Costantini, G. Prota, T.M. Schultz, L.J. Wolfram, Italy
20	SYNTHESIS OF L-AND D-3'-AMINO-2',3'-DIDEOXYNUCLEOSIDES
	J. Wengel, E.B. Pedersen, M. Motawia, A. Abdel-Megid, Denmark
21	SYNTHESIS OF HETEROCYCLIC COMPOUNDS VIA THE FRIEDEL-CRAFTS REACTION OF PHENOLS WITH ETHOXYCARBONYLISOTHIOCYANATE
	T. Jagodzinski, Poland
22	THE SYNTHESIS AND BIOLOGICAL ACTIVITY OF NEW DERIVATIVES OF 1,2,3,4-TETRAHYDROQUINOXALIN-2-ONE
	J. Przetocki, W. Czuba, Poland
23	PESTICIDAL TRIFLUOROMETHYLPYRIDINES
	T. Haga, Japan
24	CHEMOSELECTIVE CARBONYL 1,2-ADDITION OF ORGANOCERIUM (III) REAGENTS TO b-KETO ESTERS. A USEFUL METHOD FOR THE CONSTRUCTION OF COUMARIN NUCLEI
	K. Nagasawa, S. Yoshitake, K. Ito, Japan
25	AMBIDENT ENAMINES: REACTION OF PHENYL-4-CHROMONE-3-SULFONATE WITH METHYL 3-AMINO-2-PENTENOATE
	W. Lowe, A. Kradepohl, FRG
26	EASY SYNTHESIS OF NEW 4-AMINO-3-METHYL-PIPERIDINES: INTERMEDIATES OF ANTIBACTERIAL NAPHTHYRIDONES CARBOXYLIC ACIDS
	B. Ledoussal, D. Bouzard, P. Di Cesare, M. Essiz, J.P. Jacquet, J.R. Kiechel, P.
	Remuzon, France
27	THE PREPARATION OF 3-CHLORO-6-CARBMETHOXY-NAPHTO(2,1-b)THIENO(3,2-d)THIENYL-2-CARBONYLCHLORIDE
	G. Karminski-Zamola, M. Bajic, D. Pavlicic, G. Golja, Yugoslavia
28	INVESTIGATION OF THE REACTIONS OF ISATINS WITH PYRAZOLONE
	K.C. Joshi, A. Dandia, S. Baweja, India
29	ORGANOPALLADIUM (II) COMPLEXES CONTAINING CARBON-BONDED BIMANES AS LIGANDS
	E. Hershkovitz, E.M. Kosower, Israel
30	ONE POT SYNTHESIS OF METHYL 3-METHYL-4H-1,4-BENZOTHIAZINES 2‑CARBOXYLATE
	R.R. Gupta, S.K. Gautam, V. Gupta, R.K. Rathore, India
31	OXIDATION OF Δ²-1,2,3-TRIAZOLINES AS A GENERAL ROUTE TO THE SYNTHESIS OF 1H-1,2,3-TRIAZOLES
	P.K. Kadaba, A.B. Chandler, USA
32	CALCIUM MODULATORS WITH ANELLATED DIHYDROPYRIDINE-STRUCTURE
	U. Rose, FRG
33	ISOMERISM OF 5,7-DIAMINO-THIAZOLO(3,2-a)PYRIMIDINE ACYL DERIVATIVES
	G. Toth, P. Benko, G.L. Kovanyi, D. Bozsing, Hungary
34	ELECTROCHEMICAL DECARBOXYLATION OF N-ACYL AMINO ACIDS VINYLOGOUS
	B. Rigo, C. Leduc, D. Fasseur, D. Couturier, France
35	1,3-DIAZAPYRENE AND SOME OF ITS DERIVATIVES
	J. Nasielski, A. Standaert, R. Nasielski-Hinkens, Belgium
36	NEW ANTIPARASITIC DRUGS: N-(5-NITROTHENYLIDENE)AMINO AZOLES
	B. Mester, G. Serra, Spain, Uruguay
37	SYNTHESIS AND IN VIVO ANTITUMOR ACTIVITY OF RIBOFURANOSYL, 2'‑DEOXYRIBOFURANOSYL AND ARABINOFURANOSYL NUCLEOSIDES OF PURINE-6-SULFENAMIDES, SULFINAMIDES AND SULFONAMIDES
	G.R. Revankar, N.B. Hanna, T.L. Avery, R.K. Robins, USA
38	SYNTHETIC STUDY OF b-ERYTHROIDINE CONSTRUCTION OF δ-LACTONE FROM FURAN RING
	T. Sano, M. Shoda, J. Toda, Japan
39	STEREOSELECTIVE REACTIONS CONTROLLED BY THE 1,3-DITHIANE-1-OXIDE AUXILIARY
	P.C. Bulman Page, J.C. Prodger, D. Westwood, S.S. Klair, UK
40	SOME INTERESTING REACTIONS OF AMINOPYRAZOLES
	H. Neunhoeffer, U. Kern, FRG
41	DIELS-ALDER REACTION OF 1-AZA AND 1,3-DIAZADIENES WITH ANETHOLE AND ENAMINE
	M. Sakamoto, A. Nozaka, S. Takebayashi, Japan
42	OZONOLYSIS OF IMIDAZO[1,2-a]PYRIDINYLPYRIDINE DERIVATIVES
	M. Yamanaka, S. Suda, N. Yoneda, H. Oohara, Japan
43	SYNTHESIS OF SYN-(SULFOBENZOYLOXYMETHYLENE, METHYL) (BROMOMETHYL, METHYL) BIMANE AND SYN-(SULFOPHENOXYMETHYLENE, METHYL) (BROMOMETHYL, METHYL)BIMANE
	A.E. Radowsky, D.E. Shalev, E.M. Kosower, Israel
44	A BIOMIMETIC APPROACH TO THE SYNTHESIS OF THE CARBAPENEM RING SYSTEM
	K. Izawa, K. Sakurai, T. Ohta, S. Nozoe, Japan
45	SYNTHESIS OF QUIPAZINE AND BENZPYRANOQUINOLINES
	S.Y. Deshmukh, A.A. Sayed, S.L Kelkar, M.S. Wadia, India
46	THREE-MEMBERED THIAOXAHETEROCYCLIC INTERMEDIATES
	U. Zoller, Israel
47	STUDIES OF INTRAMOLECULAR CYCLIZATION OF 4-ARYLPYRIDINES. SYNTHESIS OF 2-AZAFLUORENONES
	M.J. Shiao, C.Y. Pering, China
48	SIX NEW ALKALOIDS FROM THE PURPLE RED SEA TUNICATE EUDISTOMA SP
	A. Rudi, Y. Kashman, Israel
49	AMINATION OF SOME NITROISOQUINOLINES BY LIQUID AMMONIA/POTASSIUM PERMANGANATE
	M. Wozniak, K. Nowak, H. Poradowska, Poland
50	SYNTHESIS OF 2,3-DIHYDROSELENONO(3,2-c)– AND TELLUROLO(3,2-c) QUINOLINES
	T.K. Raja, India
51	THE FRIEDEL-CRAFTS ACYLATION OF ETHYL PYRROLE-2-CARBOXYLATE AND ITS SYNTHETIC APPLICATION
	Y. Murakami, M. Tani, T. Watanabe, Y. Yokoyama, Japan
52	METHYL 2-BENZOYLAMINO-3-DIMETHYLAMINOPROPENOATE, A VERSATILE REAGENT IN THE SYNTHESIS OF HETEROCYCLIC SYSTEMS
	B. Stanovnik, J. Svete, H. van de Bovenkamp, Z. Cadez, A. Copar, A. Hvala, P.
	Kmecl, B. Kotar, B. Ornik, I. Simonic, J. Smodis, J. Tihi, M. Tisler, Yugoslavia
53	SYNTHESIS AND KINETIC STUDIES ON GLYCOSIDIC HYDROLYSES OR 2'‑DEOXYWOSINE AND 3-METHYL-2'-DEOXYGUANOSINE
	B. Golankiewicz, T. Ostrowski, W. Folkman, Poland
54	PREPARATION OF CONDENSED-SKELETON PYRIMIDINE-DIONES BY RING TRANSFORMATION OF AZETIDINONE-UREA DERIVATIVES
	G. Stajer, G. Bernath, Z. Stoke-Molnar, P. Sohar, Hungary

16.30 - 17.50	SESSION A (HALL A)

	Chairman: B. Stanovnik, Ljubljana University, Yugoslavia
16.30	NEW WAYS TO HETEROCONDENSED PYRIMIDINES
	H. Wamhoff, J. Paasch, S. Stolben, H. Wintersohl, Z. Nai-jue, G. Fang, FRG
16.50	SYNTHESIS, PHARMACOLOGICAL ACTIVITY AND CONFORMATION OF 4,4-DISUBSTITUTED 1,4-DIHYDROPYRIDINES
	S. Goldmann, S. Kazda, M. Schramm, L. Born, FRG
17.10	SOME HETEROCYCLIC HERBICIDES
	J. Dingwall, H. Szczepanski, Switzerland
17.30	SYNTHESIS, STEREOCHEMISTRY, RETRO DIELS-ALDER AND RING TRANSFORMATION REACTIONS OF CONDENSED-SKELETON SATURATED 1,3-HETEROCYCLES
	G. Bernath, F. Fulop, I. Huber, G. Stajer, P. Sohar, Hungary
16.30 - 17.50	SESSION B (HALL B)

	Chairman: M. Begtrup, Technical University, Denmark
16.30	RADICAL CYCLIZATION IN ALKALOID SYNTHESIS: SYNTHESES OF (±) MESEMBRANOL AND (±)PRETAZETTINE
	H. Ishibashi, H. Nakatani, T. Si So, T. Sato, M. Ikeda, Japan
16.50	SYNTHESIS AND REACTIONS OF TRICYCLIC PYRIDONE DERIVATIVES
	U. Fischer, F. Schneider, U. Widmer, Switzerland
17.10	THE SYNTHESIS AND SINGLE-CRYSTAL X-RAY DIFFRACTION ANALYSIS OF 3,4,5,6-TETRA-[1' AZIRIDINYL]-PYRIDAZINE
	A. Schlossman, S. Cohen, S. Sarel, Israel
17.30	AN ALTERNATIVE SYNTHESIS OF AMARYLLIDACEAE ALKALOID, (±) LYCORINE
	O. Hoshino, M. Ishizaki, K. Kamei, M. Taguchi, T. Nagao, K. Iwaoka, B.
	Umezawa, Japan
16.30 - 17.50	SESSION C (HALL C)

	Chairman: W. Eberbach, University of Freiburg, FRG
16.30	SYNTHESIS OF 6,7-SECOERGOLINE-TYPE ALKALOIDS BY FRAGMENTATION OF 4-HYDROXYPIPERIDINES
	I. Ninomiya, N. Kuninobu, T. Kiguchi, T. Naito, Japan
16.50	ON THE REACTION OF SOME 3-HALO-DIALKYLTHIOPHENE 1,1-DIOXIDES WITH THIOLATES, ALKOXIDES AND GRIGNARDS
	G. Nikitidis, S. Gronowitz, A. Hallberg, Sweden
17.10	SYNTHESIS AND REACTIONS OF 4-ALKOXY-3-QUINOLYL SULFIDES
	S. Boryczka, Poland
16.30 - 17.50	SESSION D (HALL D)

	Chairman: T. Kappe, University of Graz, Austria
16.30	TANDEM CYCLISATION IN THE PYROLYSIS OF BIS(o-METHOXY-/ METHYlTHIO- PHENYL)b-OXO PHOSPHORUS YLIDES: FORMATION OF BENZOTHIENO(3,2-b)BENZOFURAN AND RELATED PRODUCTS
	A.R. Aitken, C.K. Bradbury, UK
16.50	SYNTHESIS AND AROMATASE INHIBITORY ACTIVITY OF NOVEL 1-PHENYL-3 AZABICYCLO[3.1.0]HEXANE-AND[3.1.1]HEPTANE-2,4-DIONES
	A. Alder, D. Bellus, A. Bhatnagar, K. Schieweck, J. Stanek, Switzerland
17.10	INTRAMOLECULAR CYCLOADDITIONS WITH ISOBENZOFURAN
	L. Assmann, T. Debaerdemaeker, K. Hildebrandt, A. Schoning, W. Friedrichsen, FRG
17.30	3-AROYl-2(C=X)-4,5-PYRROLIDINE-DION (X=O,S) AS SYNTHON FOR FUSED HETEROCYCLIC SYSTEMS
	W. Zankowska-Jasinska, K. Ostrowska, Poland

WEDNESDAY, AUGUST 16, 1989

08.30 - 09.30	PLENARY 6 (HALL B)

	Chairman: H.C. van der Plas, Wageningen University, Netherlands
08.30	MODEL STUDIES IN MOLECULAR RECOGNITION
	J. Rebek, Jr., Massachusetts Institute of Technology, USA
09.30 - 10.40	SESSION A (HALL A)

	Chairman: M. Mikolajczyk, Polish Academy of Sciences, Lodz, Poland
09.30	TANDEM CYCLIZATION-CYCLOADDITION CHEMISTRY OF KETO RHODIUM CARBENOIDS
	A. Padwa, Emory University, USA
10.00	PROTECTING GROUPS ENHANCED ASYMMETRIC DIELS-ALDER REACTIONS OF 2-SILOXYFURANS AND THEIR SYNTHETIC APPLICATIONS
	C.K. Sha, R.S. Lee, R.O.C.
10.20	HETEROCYCLIC CHEMISTRY AS A BASIS FOR NOVEL APPLICATIONS OF FLUORESCENT DYES
	H. Langhals, FRG
10.40	Coffee Break
09.30 - 10.40	SESSION B (HALL B)

	Chairman: S. Bittner, Ben Gurion University, Israel
09.30	AN OXO-TTF AND THE TETRATHIAPENTALENES: SYNTHESIS AND PROPERTIES
	F. Wudl, F. Closs, C. Fite, H. Isotalo, T. Suzuki, G. Srdanov, H. Yamochi,
	University of California, Santa Barbara, USA
10.00	ARYL TO α-AMIDYL 1,5-RADICAL SWITCH REACTION. NEW SYNTHETIC METHODS FOR DIHYDROISOQUINOLONES AND α-FUNCTIONALIZED AMINES
	J.C. Cuevas, V. Snieckus, Canada
10.20	NEW METHODOLOGIES FOR THE SYNTHESIS OF PHOTODYNAMICALLY ACTIVE FUROCOUMARINS
	K.N. Trivedi, India
10.40	Coffee Break
09.30 - 10.40	SESSION C (HALL C)

	Chairman: G.R. Newkome, University of South Florida, USA
09.30	CHIRAL MACROCYCLES THROUGH CIRCULAR HYDROGEN BONDS
	A. Shanzer, Y. Tor, J. Libman, S. Lifson, C.E. Felder, Weizmann Institute of
	Science, Israel
10.00	THE INTRAMOLECULAR CYCLOADDITION ROUTE TO (HETERO) CYCLOPHANES
	W. Eberbach, I. Heinze, A. Muller, FRG
10.20	SYNTHESIS OF CHIRAL PYRIDINO-CROWNS AND A PRELIMINARY STUDY OF THEIR ENANTIOMERIC RECOGNITION OF ORGANIC AMMONIUM SALTS
	J.S. Bradshaw, C.W. McDaniel, P. Huszthy, C. Zhu, M.L. Bruening, R.M. Izatt,
	USA
10.40	Coffee Break
09.30 - 10.40	SESSION D (HALL D)

	Chairman: R.R. Schmidt, University of Konstanz, FRG
09.30	SYNTHESIS AND SAR OF SEVERAL SERIES OF 2-AMINOTHIAZOLYL CEPHALOSPORINS
	W. Durckheimer, Hoechst AG, FRG
10.00	TOWARDS THE SYNTHESIS OF MANZAMINE-A
	K.M.J. Brands, U.K. Pandit, Netherlands
10.20	SYNTHETIC TRANSFORMATIONS OF CYCLOPROPLYL ANNULATED DIHYDROISOQUINOLINES
	I. Lantos, H.E. Katerinopoulos, USA
10.40	Coffee Break
11.10 - 12.10	PLENARY 7 (HALL B)

	Chairman: G.V. Boyd, Hebrew Universty of Jerusalem, Israel
11.10	SYNTHETIC CHEMISTRY, NEUROTRANSMISSION AND SECOND MESSENGERS
	A.P. Kozikowski, University of Pittsburgh, USA
12.10	Lunch Break

THURSDAY, AUGUST 17, 1989

08.30 - 09.30	PLENARY 8 (HALL B)

	Chairman: J. Chattopadhyaya, University of Uppsala, Sweden
08.30	SEQUENTIAL KNOEVENAGEL-KETERO-DIELS-ALDER REACTION. AN EFFICIENT AND SELECTIVE TOOL FOR THE SYNTHESIS OF NATURAL PRODUCTS
	L.F. Tietze, University of Goettingen, FRG
09.30 - 10.30	PLENARY 9 (HALL B)

	Chairman: V.A. Snieckus, University of Waterloo, Canada
09.30	NEW PATHWAYS FROM PTERIDINES. DESIGNS AND SYNTHESIS OF A NEW CLASS OF POTENT AND SELECTIVE ANTITUMOR AGENTS
	E.C. Taylor, Princeton University, USA (Warner-Lambert Award)
10.30	Coffee Break
11.00 - 12.10	SESSION A (HALL A)

	Chairman: J.S. Bradshaw, Brigham Young University, USA
11.00	BIMANES (1,5-DIAZABICYCLO[3.3.0]OCTADIENEDIONES)
	E.M. Kosower, Tel Aviv University, Israel
11.30	MONOCYCLIC FIVE-MEMBERED RING REISSERT COMPOUND FORMATION AND USE IN SYNTHESIS
	B.C. Uff, D.L.W. Burford, J. Kant, F.D. Popp, USA, UK

11.50	PHOTOCHEMICAL REACTIONS OF CYCLIC THIOAMIDES AND RELATED COMPOUNDS
	T. Nishio, N. Okuda, Japan
12.10	Lunch Break
11.00 - 12.10	SESSION B (HALL B)

	Chairman: V.J. Lee, Lederle Laboratories, USA
11.00	INTRAMOLECULAR CYCLOADDITIONS OF VINYLAZO COMPOUNDS
	T.L. Gilchrist, University of Liverpool, UK
11.30	PERICYCLIC ORGANOMETALLIC REACTIONS OF NITROGEN. THE REACTION OF N-PHENYLTRIAZOLINEDIONE WITH (DICARBOMETHOXY- CYCLOHEPTATRIENE) IRON TRICARBONYL
	Z. Goldschmidt, A. Almadhoun, M. Balci, Y. Demir, Israel, Turkey
11.50	CHIRAL SPIROCYCLIC 5-ARYLMETHYLENE-1,3-DIOXANE-4,6-DIONES AS NOVEL SYNTHONS FOR ENANTIOMERICALLY PURE 2-ARYLCYCLOPROPANE-1,1- DICARBOXYLATES
	M. Salo, H. Hisamichi, C. Kaneko, Japan
12.10	Lunch Break
11.00 - 12.10	SESSION C (HALL C)

	Chairman: P.A. Jacobi, Wesleyan University, USA
11.00	OXAZOLOPHANES AS MASKED CYCLOPEPTIDE ALKALOID EOUIVALENTS: CYCLIC PEPTIDE CHEMISTRY WITHOUT INVOKING AMINOACIDS
	B.H. Lipshutz, B.E. Huff, K.E. McCarthy, S.M.J. Mukarram, W.D. Vaccaro,
	University of California, Santa Barbara, USA
11.30	NEW THERMOTROPIC LIOUID CYRSTALS HAVING A TRICYCLOQUINAZOLINE OR DECACYCLENE CORE IN THEIR STRUCTURE
	E. Keinan, S.P. Singh, R. Ghirlando, S. Kumar, Israel
11.50	DIFFERENT ANION RADICAL BEHAVIOUR IN CHEMICAL AND ELECTROCHEMICAL REACTION (S.E.T.)
	N. Besbes, A. Laurent, E. Laurent, France
12.10	Lunch Break
11.00 - 12.10	SESSION D (HALL D)

	Chairman: R. Neidlein, University of Heidelberg, FRG
11.00	CHEMISTRY OF FERVENULINES
	W. Pfleiderer, S. Werner-Simon, University of Konstanz, FRG
11.30	SYNTHESIS AND ANTITUMOR ACTIVITIES OF 5-FLUOROURACIL DERIVATIVES
	S. Ozaki, T. Akiyama, T. Morita, M. Kumegawa, A. Hoshi, Japan
11.50	THE REACTION OF 5- AND 6-MEMBERED N-HETEROCYCLIC b-OXO-ESTERS WITH 5-AMINO-1,2,4-TRIAZOLES
	E. Rivo, J. Reiter, Hungary
12.10	Lunch Break
14.00 - 15.10	SESSION A (HALL A)

	Chairman: S. Shatzmiller, Tel Aviv University, Israel
14.00	GENERAL METHOD FOR THE GENERATION OF CONJUGATED POLYENES
	J. Rokach, Y. Leblanc, B. Fitzsimmons, Merck Frosst Inc., Canada
14.30	SYNTHESIS AND REACTIVITY OF PYRIDO(1,2-b)-as-TRIAZINIUM SALTS AND ITS BENZOLOGUES
	G. Hajos, Z. Juhasz-Riedl, P. Benko, A. Messmer, Hungary
14.50	COMPONENT ANALYSIS OF MANNA
	R. Nakashima, H. Murata, K Tanaka, K-I. Harada, M. Suzuki, Japan
15.10	Coffee Break
14.00 - 15.10	SESSION B (HALL B)

	Chairman: I. Lantos, Smith Kline & French Laboratories, USA
14.00	NEW SYNTHESIS OF 2',3'- MODIFIED-b-D-NUCLEOSIDES
	J.-C. Wu, J-M. Vial, W. Tong, P. Agback, J. Chattopadhyaya, University of
	Uppsala, Sweden
14.30	HIGHLY STEREOSELECTIVE SYNTHESIS OF NUCLEOSIDES VIA NaBH₄ PROMOTED REDUCTION AS A KEY STEP
	N. Katagiri. H. Akatsuka. M. Muto, C. Kaneko, Japan
14.50	NEW ASPECTS OF THE CHEMISTRY OF ADRENOCHROME
	M. D'Ischia, G. Prota, Italy
15.10	Coffee Break
14.00 - 15.10	SESSION C (HALL C)

	Chairman: A. Padwa, Emory University, USA
14.00	PALLADIUM CATALYSED REACTIONS OF SOME PSEUDOGLYCALS
	M.M. Basson, G.J. Engelbrecht. C.W. Holzapfel, T.L. van der Merwe,
	Rand Afrikaans University, South Africa
14.30	SYNTHESIS AND REACTIONS OF 8-BROMO (IODO) PYRIDO (3,4-e)-1,2,4-TRIAZINES AND 5-AMINOPYRIDO (3,4-e)-1,2,4-TRIAZINES
	V.J. Lee, K.S. Learn, J.S. Ashcroft, G.O. Morton, USA
14.50	A NOVEL SYNTHESIS OF BIOLOGICALLY ACTIVE 4‑AMINOPYRIMIDO[1,2‑a]BENZIMIDAZOLES
	Z.T. Fomum, P. Forche Asobo, Cameroon
15.10	Coffee Break
14.00 - 15.10	SESSION D (HALL D)

	Chairman: T. Sheradsky, Hebrew University of Jerusalem, Israel
14.00	SYNTHESIS OF MODIFIED NUCLEOSIDES BY 1,3-DIPOLAR CYCLOADDITION REACTIONS AT HIGH PRESSURE
	H. Neunhoeffer, M. Dostert, C. Kurschatke, University of Darmstadt, FRG
14.30	SUBSTITUTED 2,6-DIALKLPYRIDINES AS USEFUL TOOLS FOR THE SYNTHESIS OF DRUGS
	U. Elben, FRG
14.50	CYCLOADDITION OF ARYL AZIDES TO VINYLPYRIDINES: EFFECTS OF ELECTOMAGNETIC versus ULTRASONIC IRRADIATION
	P.K. Kadaba, A.B. Chandler, USA
15.10	Coffee Break

15.10 - 16.30

Board No.	POSTER SESSION 3
1	SYNTHESES AND PROPERTIES OF "ZERO BRIDGED" BIMANES
	J. Hermolin, D. Marciano, M. Baud'huin, B. Dov, P. Bendel, I. Goldberg, E.M. Kosower, Israel
2	REARRANGEMENTS OF TOSYLATED ADENINE NUCLEOSIDES
	P. Herdewijn, A. Van Aerschot, Belgium
3	A ONE STEP SYNTHESIS OF NOVEL 4-ALKOXY-b-LACTAMS BY HIGH PRESSURE PROMOTED (2+2) CYCLOADDITIONS OF ENOL ETHERS AND ISOCYANATES DERIVED FROM AMINO ACIDS
	H. de Bie, A. Aben, H. Scheeren, Netherlands
4	A NMR STUDY OF THE PYRROLIZIDINE ALKALOID DECORTICASINE
	O.M. Blanco Mosquera, L. Castedo, M.C. Villaverde, Spain
5	THE ADDUCT OF TRI-n-BUTYLPHOSPHINE WITH CARBON DISULPHIDE AS A VERSATILE 1,3-DIPOLE: FORMATION AND REACTIVITY OF NEW RING SYSTEMS
	A.A. Aitken, S.V. Raut, UK
6	SYNTHESIS OF 1-ALKYL-1,2,4-TRIAZOLES; DEAMINATION OF 4-AMINO-1,2,4-TRIAZOLIUM SALTS
	B.A. Astleford, G.L. Goe, J.G. Keay, E.F.V. Scriven, USA
7	SYNTHESIS OF 1-(HYDROXYALKOXY) PYRIMIDINES, A NOVEL SERIES OF ACYCLIC NUCLEOSIDE ANALOGUES
	M.A. Harnden, L.J. Jennings, A. Parkin, UK
8	SYNTHESIS OF 7-HETEROCYCLIC SUBSTITUTED 1-ALKYL-6-FLUORO-1,4-DIHYDRO-4-OXO-3-QUINOLINECARBOXYLIC ACIDS
	V.J. Lee, P.F. Fabio, M.F. Reich, USA
9	RING CLOSURE POSSIBILITIES OF SUBSTITUTED 2-AMINO-BENZOYL HYDRAZINES: SYNTHESIS AND ISOMERIZATION OF [1,3]OXAZINO[2,3-b][1,3,4]BENZOTRIAZEPINES
	M. Gal, I. Pallagi, P. Sohar, V. Fulop, A. Kalman, Hungary
10	BIOMIMETIC, OXIDATION OF 5,6-DIHYDROXYINDOLE: TRACKING THE BIOSYNTHETIC PATHWAY TO MELANIN PIGMENTS
	A. Napolitano, M. D'Ischia, G. Prota, Italy
11	NEW SYNTHESIS OF 1,4-DIHYDROPYRIDINES
	P. Benko, D. Bozsing, L. Levai, G. Lax-Kovanyi, G. Mikito, P. Tompo, Hungary
12	STUDIES RELATING TO THE CONFIGURATION AND CONFORMATION OF 2,4‑DISUBSTITUTED-γ-BUTYROLACTONES
	J. Fischer, T. Fodor, G. Toth, G. Snatzke, Hungary
13	5:7-FUSED HETEROCYCLIC SYSTEMS: IMIDAZO[4,5-e][1,3,4]TRIAZEPINE AND IMIDAZO[4,5-e][1,4]DIAZEPINE
	R.S. Hosmane, A. Bhan, B.B. Lim, USA
14	SYNTHESIS OF SOME NEW THIENO-C-FUSED NAPHTHYRIDINES
	S. Gronowitz, A.B. Hornfeldt, J. Malm, Sweden
15	SYNTHESIS OF NOVEL 8,13,15-TRIAZASTEROIDS AND RELATED HETEROCYCLES
	F. Esser, K.H. Pook, FRG, France
16	A SYNTHETIC APPROACH TO THE MITOMYCINS
	J. Bergman, M. Conradi, P. Sand, Sweden
17	ASYMMETRIC ELECTROPHILE-PROMOTED CYCLISATIONS OF γ-ALLENIC SECONDARY AMINES
	D.N.A. Fox, D. Lathbury, T. Gallagher, UK
18	D-FORMYLATION BY THE OZONOLYSIS OF PHENYLOXAZOLES
	C. Kashima, H. Arao, T. Nishio, Japan
19	REACTION OF TRYPTOPHANE WITH TRIFLUOROACETIC ANHYDRIDE
	J. Bergman, G. Lidgren, Sweden
20	NOVEL ENTRY INTO THE O-2- AND 2-ISOCEPHEM SERIES
	J. Nyitrai, Z. Greff, Z. Horvath, M. Kajtar-Peredy, Hungary
21	NOVEL N-SUBSTITUTED 3-HYDROXY-4-PYRIDONES
	I. Insufi, D. Margetic, K. Jakopcic, Yugoslavia
22	FACTORS GOVERNING PRODUCT SELECTIVITY IN SYNTHESIS OF N-SUBSTITUTED 3-METHYLPYRAZOLONES
	V. Dragutan, I. Dragutan, Romania
23	A NEW SYNTHESIS OF SUBSTITUTED AZINOPYRIDINONES
	A. Copar, B. Stanovnik, M. Tisler, Yugoslavia
24	TWOFOLD PHOTOCHEMICAL DEHYDROCYCLIZATION REACTION OF 2,5 DISTYRYL THIOPHENES
	M. Bajic, G. Karminski-Zamola, Yugoslavia
25	A NEW ROUTE TO 1,2,4-TRIAZOLO[3,4-f]-1,2,4-TRIAZINO-[4,5-a] INDOLES
	S.P. Hiremath, K. Raja Sekhar, M.G. Purohit, India
26	SYNTHESES OF FULLY UNSATURATED MONOCYCLIC 1,2,5, - AND 1,3,5 - TRIAZEPINES
	H. Sawanishi, S. Saito, T. Tsuchiya, Japan
27	THE NEW ROUTE TO PREPARATION OF 1,2,3,4-TETRAHYDRO/AZA/QUINOXALIN 2-ONES
	J. Przetocki, W. Czuba, Poland
28	COUPLING OF HETEROCYCLIC ALLYLLITHIUMS WITH α,b-UNSATURATED CARBONYLS: REGIO AND DIASTEREOSELECTIVITY
	E. Epifani, S. Florio, M.A. Miglietta, Italy
29	DUAL DIRECTED ORTHO METALATION AND α-AMIDE CARBANION REACTIVITY OF α-SILYL α,α-BISILYL TERTIARY BENZAMIDES. NEW GENERAL CARBODESILYLATIVE ROUTES TO SUBSTITUTED AND CONDENSED 2-ISOQUINOLONES
	J.C. Cuevas, P. Patii, V. Snieckus, Canada
30	STANNYLATION OF PYRIMIDINES AND THEIR USE IN THE SYNTHESES OF UNSYMMETRIC BIHETEROARYLS
	J. Sandosham, K. Undheim, Norway
31	ON THE REACTIVITY OF HALOQUINOLINES
	Z.L. Salamon, J. Jeko, J. Sandor, Hungary
32	ADDUCTS OF 1,2,4-TRIAZINES WITH CARBON NUCLEOPHILES IN THE SYNTHESIS OF HETEROCYCLES
	A. Rykowski, P. Guzik, E. Guzik, Poland
33	PALLADIUM-CATALYZED SYNTHESIS OF 3-SUBSTITUTED INDOLES
	T. Sakamoto, Y. Kondo, T. Nagano, H. Yamanaka, Japan
34	SMOOTH GENERATION OF 2-BENZOPYRAN-3-ONES AND THEIR DIELS-ALDER REACTIONS
	P.I. Van Broeck, D.J. Vanderzande, G.J. Hoornaert, Belgium
35	HETEROCYCLIZATION VIA SILYLATED INTERMEDIATES: A ROUTE TO A NEW SERIES OF FUSED DIHYDRO TRIAZINONES
	P. Cauliez, B. Rigo, D. Couturier, France
36	SYNTHESIS OF A NOVEL HETEROCYCLIC SYSTEM BY 1,3-DIPOLAR CYCLOADDITION OF DIAZOALKANES TO SUBSTITUTED 2,3-DIHYDRO- BENZOXAZIN-6(8aH)-ONE
	M. Schubert-Zsilavecz, R. Ott, F. Belaj, Austria
37	NEW SYNTHESIS OF NITROGEN HETEROCYCLES VIA INTRAMOLECULAR AZA-WITTIG REACTIONS
	S. Eguchi, H. Takeuchi, S. Hagiwara, Japan
38	TRIMETHYLSILYLDIAZOMETHANE: A USEFUL SYNTHON FOR THE PREPARATION OF [C-N-N] AZOLES
	T. Shioiri, S. Nishigaki, T. Aoyama, Japan
39	NEW AND SIMPLE SYNTHESES OF 5-DEAZAFLAVIN ANALOGS AND THEIR OXIDATION OF ALCOHOLS
	X. Chen, K. Tanaka, T. Kimachi, F. Yoneda, Japan
40	THE FORMATION AND SINGLE-CRYSTAL X-RAY STRUCTURAL DETERMINATION OF PRODUCTS ARISING FROM ADDITION OF METHYL IODIDE TO 1-[PYRIDOXYLIDENE]-2-[2'-PYRIDYL] HYDRAZINE: A NOVEL CLASS OF LIPOPHILIC IRON TRANSPORT AGENTS
	S. Avramovici-Grisaru, S. Cohen, S. Sarel, Israel
41	SYNTHESIS AND STEREOCHEMISTRY OF ANGULARLY CONDENSED TRICYCLIC TETRAHYDROISOQUINOLINES
	G. Bernath, F. Fulop, L. Lazar, E. Semega, P. Sohar, Hungary

16.30 - 17.30	PLENARY 10 (HALL B)

	Chairman: A. Hassner, Bar Ilan University, Israel
16.30	SOME RECENT APPLICATIONS OF HYDROBORATION/ORGANOBORANE CHEMISTRY TO HETEROCYCLES
	H.C. Brown, Purdue University, USA
17.30 - 17.50	CLOSING REMARKS (HALL B)
	Chairman: H. Suschitzky, University of Salford, UK

MONDAY, AUGUST 14, 1989

OPENING CEREMONY (HALL B)

PLENARY 1 (HALL B)

SESSION A (HALL A)

SESSION B (HALL B)

SESSION C (HALL C)

SESSION D (HALL D)

PLENARY 2 (HALL B)

SESSION B (HALL B)

SESSION D (HALL D)

TUESDAY, AUGUST 15, 1989

PLENARY 3 (HALL B)

PLENARY 4 (HALL B)

SESSION A (HALL A)

SESSION B (HALL B)

SESSION C (HALL C)

PLENARY 5 (HALL B)

SESSION A (HALL A)

SESSION B (HALL B)

SESSION D (HALL D)

PLENARY 6 (HALL B)

SESSION A (HALL A)

SESSION B (HALL B)

SESSION D (HALL D)

PLENARY 7 (HALL B)

THURSDAY, AUGUST 17, 1989

PLENARY 9 (HALL B)

SESSION C (HALL C)

SESSION C (HALL C)

PLENARY 10 (HALL B)