SCIENTIFIC PROGRAM

SATURDAY,

JULY 9

HENRY RAPOPORT (UNIVERSITY OF CALIF. BERKELEY, USA)

1

NEW DEVELOPMENTS IN THE SYNTHESIS OF HETEROCYCLIC NATURAL PRODUCTS

JAMES P. KUTNEY (THE UNIVERSITY OF BRITISH COLUMBIA, VANCOUVER CANADA)

2

STUDIES ON THE SYNTHESIS OF CLINICALLY IMPORTANT ANTI-TUMOR AGENTS

SUNDAY,

JULY 10

CS. SZANTAY (INSTITUTE FOR ORGANIC CHEMISTRY, TECHNICAL UNIVERSITY, BUDAPEST, HUNGARY)

3

SYNTHESIS OF BENZO[A]-, AND INDOLO[2,3-A]-QUINOLIZIDINES

RICHARD R. SCHMIDT (UNIVERSITAT KONSTANZ, GERMANY)

4

CARBANIONIC HETEROCYCLIC SYSTEMS

MONDAY,

JULY 11

SHIGERU OAE (UNIVERSITY OF TSUKUBA IBARAKI 300 - 31, JAPAN)

6

REACTIONS OF HETEROAROMATIC AND AROMATIC AMINE OXIDES WITH ACYLATING AGENTS

DOMENICO SPINELLI (UNIVERSITA DI BOLOGNA, BOLOGNA ITALIA)

7

AROMATIC NUCLEOPHILIC SUBSTITUTIONS IN THIOPHENE SERIES

TUESDAY,

JULY 12

MIROSLAV PROTIVA (RESEARCH INSTITUTE FOR PHARMACY AND BIOCHEMISTRY, PRAGUE CZECHOSLOVAKIA)

8

THE CHEMISTRY OF DIBENZO(B,F)THIEPINS AND RELATED SYSTEMS AS A BASIS OF SYNTHESIS OF POTENT PSYCHOTROPIC AGENTS

LEROY B. TOWNSEND (UNIVERSITY OF UTAH, UTAH U.S.A.)

10

SYNTHESIS AND STRUCTURE-ACTIVITY RELATIONSHIPS OF CERTAIN AZA, DEAZA AND AZA DEAZA GUANINE AND GUANOSINE ANALOGS

WEDNESDAY,

JULY 13

KEVIN T. POTTS (RENSSELAER POLYTECHNIC INSTITUTE, NEW YORK U.S.A.)

12

MESOIONIC RING SYSTEMS,HETEROCYCLES OF THEORETICAL INTEREST AND SYNTHETIC POTENTIAL

J.I.G. CADOGAN (UNIVERSITY OF EDINBURGH, EDINBURGH)

13

DEVELOPMENTS IN PHOSPHORUS AND NITROGEN HETEROCYCLIC CHEMISTRY

A SIMPLE AND FACILE SYNTHESIS OF QUINAZOLONES AND BENZOXAZINONES BY A CYCLOADDITION REACTION

TETSUJI KAMETANI (PHARMACEUTICAL INSTITUTE, TOHOKU UNIVERSITY SENDAI JAPAN)

14

ELECTRO-OXIDATION OF 1-PHENETHYLISOQUINOLINES

AHMAD NAFAFI AND MALCOLM SAINSBURY(UNIVERSITY OF BATH, ENGLAND)

16

REARRANGEMENT OF A QUINOLIZIOINE SYSTEM TO PYRROLOAZEPINE BY RINGS EXPANSION-CONTRACTION

A. BUZAS, J.P. JACQUET, G. LAVIELLE AND C. RETOURNE (UNIVERSITE D'ORLEANS, FRANCE)

20

BENZO-AND INDOLOQUINOLIZINE DERIVATIVES THE INFLUENCE OF INDOLE-N-METHYLATION OF THE CONFORMATION OF BENZO[H]INDOLO[2,3-a]SUBSTITUTED QUINOLIZIOINES

D. TOURWE AND G. VAN BINST (VRIJE UNIVERSITEIT BRUSSEL BELGIUM)

21

THE SYNTHESES OF VINBLASTINE AND VINCRISTINE

ATTA-UR-RAHMAN, A. BASHAANO M. GHAZALA (UNIVERSITY OF KARACHI PAKISTAN)

23

SYNTHESIS OF CLAVINES BY THE AZA-ANNELATION WITH ACRYLAMIDES

ICHIYA NINOMIYA, TOSHIKO KIGUCHI, AND TAKEAKI NAITO (KOBE WOMEN'S COLLEGE OF PHARMACY KOBE JAPAN)

26

NEW HETEROCYCLIC REAGENTS FOR PEPTIDE SYNTHESIS

I. UGI, P. BUKALL, G. EBERLE, H. ECKERT, I. LAGERLUND, D. MARQUARDING M. L. WACKERLE, H.V. ZYCHLINSKI (TECHNISCHE UNIVERSITAT MUNCHEN, GERMANY)

28

CYCLISATION OF 2-CYANO-3-UREIDOACRYLATE ESTER

MIROSLAV LEDVINA AND JIRI BERANNEK (ACADEMY OF SCIENCES, PRAHA CZECH)

31

PHOTOREACTIONS OF URACIL AND SOME OF ITS DERIVATIVES IN LIQUID AMMONIA

D.A.DE BIE, H.C. VAN DER PLAS AND G. GEURTSEN (AGRICULTURAL UNIV. WAGENINGEN, THE NETHERLANDS)

33

ACETYLENIC KETONES, PART V. REACTION OF ACETYLENIC KETONES WITH THIOUREA AND ITS DERIVATIVES(1)

BY F.G.BADDAR, F.H. AL-HAJJAR AND N.R.EL-RAYYES (KUWAIT UNIVERSITY, KUWAIT)

35

FURTHER STUDY OF THE CONVERSION OF 5-AMINOPYRIMIDINES INTO 4‑HYDROXYPYRIMIDINES VIA THEIR DIAZONIUM SATS

D. CHRISTOPHE AND R. PROMEL (UNIV. LBRE DE BRUXELLS, BELGIUM)

37

1,2,4-TRIAZINE CHEMISTRY

J. ADLER, M. BACHMANN, V. BOHNISCH AND HANS NEUNHOEFFER (TECHNISCHEN HOCHSCHULE DARMSTADT, GERMANY)

39

TELESUBSTITUTIONS AND REACTIONS OF SOME AZOLOPYRAZINES WITH BRIDGEHEAD NITROGEN

B. VERCEK, B. STANOVINK AND M. TISLER (UNIVERSITY OF LJUBLJANA, YUGOSLAVIA)

41

SYNTHESIS OF ALKYL, RIBOFURANOSYL AND 2'-DESOXY-RIBOFURANOSYL S‑TRIAZOLO[1,5-a]PYRAZINES.

TAM HUYNH DINH, SIMON ROBERT SARFATI AND JEAN IGOLEN (INSTITUT PASTEUR PARIS, FRANCE) EMILE BISAGNI AND JEAN MARC LHOSTE (INSTITUT DU RADIUM ORSAY FRANCE)

43

NEW PROCEDURES FOR THE SYNTHESIS OF PYRROLO[2,3-d]PYRIMIDINE AND PYRROLO[3,2-d]PYRIMIDINE RING SYSTEMS STARTING FROM A COMMON PYRROLE DERIVATIVE

M.T. GARCIA-LOPEZ, F.G. DE LAS HERAS AND M.STUD (INSTITUTO DE QUIMICA MEDICA, MADRID SPAIN)

44

STRUCTURE ELUCIDATION OF 2-ARYL-AMINO-/IMINO/-THIAZOL- /ID/-INES, THE ANALOGOUS THIAZINES, THIAZEPINES AND THEIR ACYL DERIVATIVES

PAL SOHAR, GABOR FEHER, JOZSEF REITER AND LAJOS TOLDY (RESEARCH INST. FOR PHARM. CHEMISTRY BUDAPEST HUNGARY)

46

THERMOLYSIS OF DIXANTHATES OF GLYCOLS. A NEW SYNTHESIS OF DI-S-ALKYL OR THOTRITHIOCARBONATES

GERARD DESCOTES AND ALAIN FAURE (UNIVERSITE LYON 1 FRANCE)

48

ACYLATION OF 2,1-BENZISOTHIAZOLIN-3-0NE: AN UNUSUAL SULFUR EXTRUSION WITH RING EXPANSION

MICHAEL DAVIS, STEPHENP. POGANY AND KEN TONKIN (LA TROBE UNIVERSITY AUSTRALIA)

49

THE STABILIZATION OF THIABENZENES BY P-DIMETHYLAMINO GROUP

HOOSHANG PIRELAHI (UNIVERSITY OF TEHRAN IRAN)

50

NEW ROUTES TO MESOIONIC IMIDAZOLE- AND THIAZOLETHIONES

MIKAEL BEGTRUP (TECH. UNIVERSITY OF DENMARK, LYNGBY, DENMARK)

52

TRANSMISSION OF SUBSTITUENT EFFECTS AND THE AROMATICITY OF THIAZOLE

IOAN A. SILBERG AND SIMONA SILBERG (INSTITUTUL DE CHIMIE, ROMANIA)

53

NOVEL HETEROTRICYCLIC SYSTEMS: II 2,6,1-TRIAZATRICYCLO[5.2.1.0⁴,^1O]DECANES AND 2,6-DITHIA-10-AZATRICYCLO[5.2.1.0⁴,^1O]DECANES

H. SMITH BROAOBENT AND SUSAN E. FOULGER (BRIGHAM YOUNG UNIVERSITY, UTAH, U.S.A.)

54

REACTIONS WITH 3-CHLORO-1,2-BENZISQTHIALOLIUM CHLO- RIDES: A. NEW SYNTHESIS OF 3-AMINO-BENZO[b]THIOPHENES

H. BOSHAGEN AND W. GEIGER (BAYER AG. WUPPERTAL GERMANY)

55

GENERALIZED ANOMERIC EFFECTS IN 1,4-DIOXANS BEARING POLAR SUBSTITUENTS

BENZION FUCHS AND AVI-YAKAR ELLENCWEIG (DEPT. OF CHEM. TEL-AVIV UNIVERSITY, ISRAEL)

56

FREE RADICAL OXIDATION OF DIHYOROPYRIDINES

MAJID M. SADEGHI (ISFAHAN UNIVERSITY, IRAN)

58

CONFORMATIONAL PROPERTIES OF 4,5,6,7-TETRAHYDROOXONIN DYNAMIC NMR SPECTROSCOPY AND ITERATIVE STRAIN-ENERGY CALCULATIONS

FRANK A.L.ANET AND ISSA YAVARI (UNIVERSITY OF CALIF. LOS ANGELES, U.S.A)

59

CONFORMATION OF SOME SUBSTITUTED HYDANTOINS: ¹³C AND ¹⁵N LABELING AND ¹³C NMR STUDIES

H. FUJIWARA, M. SUGIURA, M.S. MANHAS, J.M. VAN DER VEEN AND AJAY K. BOSE (STEVENS INSTITUTE OF TECHNOLOGY NEW JERSEY U.S.A)

61

MASS SPECTRAL FRAGMENTATION PATTERN OF DERIVATIVES OF, 2,2 -BIPYRIDYL.

N.G. KEATS AND L.A. SUMMERS (UNIVERSITY OF NEW CASTLE AUSTRALIA)

63

AN X-RAY CRYSTALLOGRAPHIC STUDY OF 1-CYCLOHEXYL-2-PHENYL-3-TOLUYLAZIRIDINE

IRAJ TAVANAIEPOUR, VICTOR W. DAY, PHILIP TARBURTON AND NORMAN H. CROMWELL (UNIVERSITY OF NEBRASKA LINCOLN U.S.A)

64

RESEARCH ON TAUTOMERISM OF HETEROCYCLIC COMPOUNDS BY MASS SPECTROMETRY

SHEINKER YU. N. ANISIMOVA O.S. (RESEARCH INSTITUTE, MOSCOW, USSR)

66

APPLICATION OF IR SPECTROSCOPY FOR CYCLIZATION MECHANISM STUDY OF N-(2-CARBOXYARYL)-ALANINES INTO 2,3-DIHYDROQUINOLIN-4-(1H)ONES.

A.F. BEKHLI, B.V. LOPATIN, L.A. BOLOTINA (MARTSINOVSKI INSTITUTE, MOSCOW, U.S.S.R.)

68

THE STEREOCHEMISTRY OF SOME 5-NITROHEXAHYDROPYRIMIDINES

M. JALLALI HERAVI AND G.A. WEBB (UNIVERSITY OF SURREY ENGLAND)

70

INTERACTION OF METHYLENE BLUE AND TRAGACAHTH

A. VAZIRI (ISFAHAN UNIVERSITY, IRAN)

71

HYDROLYSIS OF HETEROCYCLIC COMPOUNDS IN ACID AND BASIC MEDIUM

G.M. TSEITLIN, A. I. DONSKIH, V.N. KULAGIN, U.V.MOISEEV, G.E.ZAIKOV (MENDELEEV INSTITUT MOSCOW U.S.S.R.)

73

STUDY OF THE REGIOSELECTIVITY OF THE TETRACHLOROPYRIMIDINE IN THE NUCLEOPHILIC SUBSTITUTIONS

H. HAMIDI AND M. HEDAYATULLAH (C.N.A.M. PARSI FRANCE)

75

SYNTHESIS AND REACTIVITY OF HYDROGENATED DERIVATIVES OF PYRIDINE, PYRIDONE AND PYRIMIDONE

G. DUBUR, Y. PELCHER, Z. BOMIKA, A. KATS, V. KASTRONE, E. KHANINA (ACADEMY OF SCIENCE, U.S.S.R.)

77

TRANSFORMATION OF 3-DIAZOINDAZOLE OR PHENYL-INDAZOLYL-DIAZOSULPHIDE WITH POTASSIUM AZIDE INTO 3-AZIDOINDAZOLE EVIDENCE FOR THE FORMATION OF PENTAZENE AND PENTAZOLE TYPES OF INTERMEDIATES

B. STANOVINK. M. TISLER, AND D. JANEZIC (UNIVERSITY OF LJUBLJANA, YUGOSLAVIA)

79

THE CHEMISTRY OF REDUCED PYRAZINES

U. EISNER AND A. J. WILLIAMS (TRENT POLYTECHNIC, ENGLAND)

81

POLYMERIZATION OF SULPHUR-CONTAINING HETEROCYCLES

V.Z.ANNENKOVA, M. G. VORONKOV, V.M. ANNENKOVA N.I. AND - REEVA (AC. SCI. U.S.S.R.)

83

N-1 SUBSTITUTION OF 3-NITRO-4-ARYLAMINOPYRIDINES BY AN UNEXPECTED RING OPENING REACTION

CLAIRE DUCROCO, CHRISTIAN PIVALLE AND EMILE BISAGNI (LAB. DE SYNTHESE LA FONDATION CURIE, INSTITUT DU RADIUM ORSAY FRANCE)

84

STUDIED IN THE CHEMISTRY OF 1-VINYLAZOLES

G.G.SHVORTSOVA, E.S.DOMNIA, N.P. GLAZKOVA L.A. SHESTOVA L.V. BAIKALOVA, N.N. CHIPANINA, V.K.VORONOV (AC. SCIE. U.S.S.R.)

85

REACTION OF DIHYDROPYRIDINES

MAJID M. SADEGHI (ISFAHAN UNIVERSITY IRAN)

87

THE USE OF RING-CLOSED ACYL-HETEROCYCLIC DERIVATIVES TO ELUCIDATE ROTATIONAL ISOMERISM OF 3-ACETYLFURAN, 2-ACETYLTHIOPHENE AND ACETYLPYRROLES

H. LUMBROSO, D.M. BERTIN AND MRS. CH. LIEGEOIS (LAB. DE CHIMIE UNIVERSITE PIERRE ET MARIE CURIE PARIS FRANCE)

88

CHIROPTICAL PROPERTIES OF PYRAZINOYL AMINO DERIVATIVES

M.M. EL-ABADELAH, M.H. ABUZARGA, A.A. JARRAR AND S.S. SABRI (JORDAN UNIVERSITY AMMAN JORDAN)

90

CNDO CALCULATIONS ON BENZYLIDENEANILINE

TH, BLUHM, J.V. KNOP, B. BEHJATI (UNIVERSITAT DUSSELDORF, GERMANY AND NATIONAL UNIVERSITY OF IRAN IRAN)

92

REVERSIBLE FORMATION OF 1,4-BENZOTHIAZINE OLIGOMERS

F. CHIOCCARA, E. NOVELLINO, G. PROTA AND G. SODANO (ISTITUTO DI CHIMICA ORGANICA DELL'UNIVERSITA, NAPOLI ITALY)

94

SULPHUR EXTRUSION REACTIONS

HARJIT SINGH & C.S.GANDHI (GURU NANAK DEV UNIVERSITY AMRITSAR INDIA)

96

OXIDATION OF HETEROCYCLIC SULFURS – MECHANISM OF THE S-OXIDATION AND CHLORINATION OF BENZO(B)THIOPHENE BY T-BUTYL HYPOCHLORITE

P. GENESTE, J-L. OLIVE ET N.S. UNG (ECOLE NATIONALE SUPERIEURE DE CHIMIE, MONTPELLIER FRANCE)

98

ESR STUDY OF PYRIDINE-N OXYDE RADIOLYSIS IN GLASSY METHANOL MATRIX

J.P. QUAEGEBEUR, B. PERLY G. SURPATEANUAND A. LABLACHE-COMBIER (C.E.N. DE SACLAY FRANCE AND UNIVERSITE DES SCIENCES ET TECHNIQUES DE LILLE FRANCE)

100

REACTIONS WITH 5-SUBSTITUTED-2-THIOHYDANTOINS

A.F.A.SHALABY, H.A. DABOUN AND M.A. ABDELAZIZ (CAIRO UNIVERSITY, GIZA EGYPT)

102

SUBSTITUTION REACTIONS IN PHOTOCHROMIC INDOLINE SPIROPYRANS

M.A.GAL'BERSHTAM, N. P. SAMOILOVA, N.N. ARTAMONOVA (ORG. INTERMEDIATES & DYES INSTITUTE MOSCOW U.S.S.R.)

104

STUDIES ON REARRANGEMENT OF 1,2,2-TRIMETHYLINDOLINES

ANDRZEJ FABRYCY AND ANNA PAWLAK (TECHNICAL UNIVERSITY OF SZCZECIN, POLAND)

106

ISOMERIZATIONS OF DIHYDROPYRIDINES

MAJID M. SADEGHI (ISFAHAN UNIVERSITY, IRAN)

108

C-2 ACYLATION OF FIVE-MEMBERED N-HETEROCYCLES

ERIK REGEL (BAYER AG, WUPPERTAL 1 GERMANY)

109

BASE CLEAVAGE OF CARBON-SILICON BONDS IN PHENYL THIENYL METHANES SILICON DERIVATIVS

GIANCARLO SECONI AND ALFREDO RICCI (C.N.R. EMILIA BOLOGNA ITALY AND DELL'UNIVERSITA FIRENZE ITALY)

110

THE DEPENDENCE OF ARYL AND HETEROARYL SUBSTITUENT EFFECTS UPON THE NATURE OF THE HETEROAROMATIC RING: THE NABH₄ REDUCTION OF BENZO-FURYL AND THIENYL-KETONES

ALFREDO RICCI AND ROBERTO DANIELI (DELL'UNIVERSITA FIRENZE AND C.N.R. OZZANO-EMILIA BOLOGNA ITALY)

111

STRUCTURE-SPECTRA CORRELATIONS IN 1H-PHENOTHIAZINE-1-ONES.

IOAN A. SILBERG, MARIA BARTHA AND MIHAI ELIAN (INSTITUTUL DE CHIMIE CLUJ-NAPOCA ROMANIA)

112

POLYAZASTEROIDS

I. LALEZARI AND S. SADEGHI-MILANI (TEHRAN UNIVERSITY IRAN)

113

POLYHETEROCYCLIC COMPOUNDS

I. LALEZARI AND H. JABARI-SAHEBARI (TEHRAN UNIVERSITY, IRAN)

115

SELENOAZASTEROIDS

I. LALEZARI AND S. SADEGHI-MILANI (TEHRAN UNIV. IRAN)

116

POLYHETEROCYCLIC COMPOUNDS

I. LALEZARI AND S. SADEGHI-MILANI (TEHRAN UNIVERSITY, IRAN)

118

POLYFUNCTIONAL POLYMERS FROM VINYL ISOXAZOLE DERIVATIVES

VINCENZO BERTINI, MARCO POCCI (DELL’UNIVERSITA COSENZA) AND ANGELA DE MUNNO (DELL'UNIVERSITA, PISA ITALY)

120

OXIDATION OF AZAPHENOTHIAZINES

ROBERT E. SMITH AND RAYMOND N. CASTLE (BRIGHAM YOUNG UNIVERSITY PROVO UTAH U.S.A.)

121

COMPARATIVE STUDY OF THE BEHAVIOUR OF CITRACONIMIDE AND CITRACONISOIMIDE TOWARDS DIAZOALKANES

WILLIAM I. AWAD AND HASHIM T. AL-BADRI (BAGHDAD UNIVERSITY, IRAQ)

123

NEW POSSIBILITIES OF PREPARING THE FIVE- AND SIX MEMBERED HETEROCYCLIC COMPOUNDS CONTAINING NITROGEN AND SULFUR

P. KRISTIAN AND M. DZURILLA (SAFARIK UNIVERSITY KOSICE CSSR)

125

REARRANGEMENT REACTIONS OF 4-HYDROXY-2-PYRONES

M.ALI CHIRAZI, A. BRANDNER AND T. KAPPE (GRAZ UNIVERSITY, AUSTRIA, AND, JUNDI-SHAPOUR UNIVERSITY AHWAZ IRAN)

127

RING-OPENING REACTIONS OF 3-HALOSELENOPHENES

SALO GRONOWITZ AND TORBJORN FREJD (UNIVERSITY OF LUND SWEDEN)

128

SYNTHESIS OF CHIRAL DERIVATIVES OF 7-(α-CARBOXYETHYL)-1,4-BENZODIAZEPINE WITH POTENTIAL ANTIIINFLAMMATORIC ACTIVITY

M. ZINIC D. KOLBAH N. BLAZEVIC AND F. KAJFEZ (UNIV. OF ZAGREB YUGOSLAVIA AND CRC COMPAGNIA DI RICERCA CHIMICA (UD) ITALY)

129

SCHMIDT REACTION WITH 7-OXOPREGNENOLONE ACETATE

HARKISHAN SINGH, TILAK RAJ BHARDWAJ AND DHARAM PAUL (PANJAB UNIVERSITY, CHANDIGARH INDIA)

131

SYNTHESIS OF THIAZOLO AND THIADIAZINES STEROIDS BY THE HANTZCH REACTION

PANAYOTIS CATSOULACOS AND D. KALLIAS (NUCLEAR RESEARCH CENTER ATHENS, GREECE)

133

NEW INDOLE DERIVATIVES WITH BIOLOGICAL ACTIVITY

C. SARBU NORA RADULESCU, MARIANA IONESCU, M. SIMIONOVICI, NICULINA BOIESTEANU, CORNELIA IOAN (CENTRAL CHEMICAL AND PHARM. RESEARCH INSTITUTE ROMANIA)

134

SYNTHESIS OF IMIDAZO- AND PYRAZOLO[5,1-A]ISOQUINOLINES

KALMAN TAKACS AND PAL KISS (RESEARCH LAB. OF CHINOIN, BUDAPEST, HUNGARY)

135

SYNTHESIS OF HYDROXYLACTAMS

M.S.MANHAS, S.G. AMIN, R. GLAZER, F. KARIM, AND M.S. KHAJAVI (STEVENS INSTITUTE OF TECHNOLOGY N.J. U.S.A)

137

CNS DEPRESSANTS. 14. AS-TRIAZINO-1,4-BENZODIAZEPINES.

R. BRUCE MOFFETT, GERALO N. EVENSON, AND P.F.VONVOIGT-LANDER (THE UPJOHN COM MICH. U.S.A.)

139

SOME FEATURES OF SYNTHESES OF FUNCTIONAL SUBSTITUTED 1,4‑DIAZABICYCLO[2,2,2]OCTANES

L.N.YAKHONTOV, L.B.MRACHKOVSKAJA, N.N.KUTINA (S. ORDZHONIKIOZE ALL-UNION INSTITUTE MOSCOW U.S.S.R.)

141

SYNTHETIC IMPLICATIONS OF AZA-TRANSFER REACTIONS

B. STANOVINK, M. TISLER, S. POLANC, AND M. KOCEVAR (UNIVERSITY OF LJUBLJANA YUGOSLAVIA)

143

RECENT PROGRESS IN CYCLOADDITION REACTIONS IN THE FIELD OF 3‑OXIDOPYRIDINIUM CHEMISTRY

HOSSEIN A. DOWLATSHAHI AND ALAN R. KATRITZKY (UNIVERSITY OF EAST ANGLIA ENGLAND)

145

SYNTHESIS OF 3(S)-ALKYL-5-ARYL-2,3-DIHYDRO-1,4-6H-OXAZIN-2-ONES. EXTENT AND SENSE OF THEIR ASYMMETRIC HYDROGENATION

V. CAPLAR, A. LISINI, V. SUNJIC AND F. KAJFEZ (CRC (UD) ITALY)

147

HETEROCYCLESIN ORGANIC SYNTHESIS. OXIDATION OF Δ²-1,2,3-TRIAZOLINES USING PHASE-TRANSFER CATALYSIS AS A VERSATILE SYNTHETIC ROUTE TO 1,5‑HETEROCYCLIC SUBSTITUTED 1,2,3-TRIAZOLES

PANKAJA K. KADABA (UNIVERSITY OF KENTUCKY U.S.A.)

149

SYNTHESIS OF SOME THIAZOLO[4,5-d]PYRIDAZINES

I. SIMITI AND MIOARA COMAN (STR, V. BABES NR NAPOCA ROMANIA)

151

SYNTHESIS AND PROPERTIES OF A PYRANO[2,3-b]PYRIDINE WITH VINYLOGOUS HYDROXAMIC ACID STRUCTURE

WERNER LOWE (FREIEN UNIVERSITAT BERLIN GERMANY)

153

REACTION OF DIAZOCYCLANONES WITH AZODICARBONYL COMPOUNDS AS A METHOD OF SYNTHESIS OF HETEROCYCLIC COMPOUNDS

L.L. RODINA, A.N. OSMAN, I.K. KOROBIZINA (LENINGRAD STATE UNIVERSITY, U.S.S.R.)

155

SYNTHESES AND REACTIONS OF PHENANTHRENE AND FLUORENONE NITROGEN ANALOGUES

J. MLOCHOWSKI, W. SLIWA, Z. SKROWACZEWSKA, Z. SZULC (POLYTECHNICAL UNIVERSITY POLAND)

157

THE SYNTHESIS OF MACROCYCLIC ARALKYL BIS-QUATERNARY AMMONIUM SALTS AND BIS-SULPHONEAMIDO ARALKYLDISULFIDES

J.R.LAGIDZE, D.Z.USHARAULI, R.M. LAGIDZE (MINISTRY OF HEALTH SSR, TBILISI, U.S.S.R. AND ACA. SCI. OF THE GEORGIAN SSR, TBILISI U.S.S.R.)

159

CYCLOADDITION OF DIAZIRIDINONE TO NITRILE

YOSHIKI OHSHIRO, MITSUO KOMATSU, KEN TAKAKI, TOYOKAZU YAGII, AND TOSHIO AGAWA (OSAKA UNIVERSITY JAPAN)

161

NEW PERSPECTIVES IN THE CHEMISTRY OF NITRILE OXIDES

G.LO. VECCHIO, F. FOTI, G. GRASSI, AND F. RISITANO (UNIVERSITA DI MESSINA ITALY)

163

REACTION OF SECONDARY AMINES WITH 2H-PYRAN-2-ONES, 2H-THIOPYRAN-2-ONES, 2H-PYRAN-2-THIONES,AND 2H-THIOPYRAN-2-THIONES

I.E.EL-KHOLY, M.M. MISHRIKEY, AND H.N. FUID-ALLA (ALEXANDRIA UNIVERSITY ALEXANDRIA EGYPT)

165

RING TRANSFORMATIONS AND TELE-AMINATIONS IN THE REACTIONS OF 2‑HALOGENO- AND 8-HALOGENO-1,7-NAPHTHYRIDINES BY POTASSIUM AMIDE IN LIQUID AMMONIA

H.C.VAN DER PLAS, M. WOZNIAK AND A. VAN DEDLDHUIZE (AGRICULTURAL UNIVERSITY THE NETHERLANDS)

167

ISOMERISATION, CYCLOELIMINATION AND FRAGMENTATION OF DIMETHYLAMINO-PHENYL-FUROXAN

ANDRE R. GAGNEUX, RENE MEIER AND ANDRE BRAUN (CIBA-GEIGY LTD, BASLE SWITZERLAND)

168

SUBSTITUTED 1,3,2-OXAZAPHOSPHOLINES-4

YU. G. GOLOLOBOV, YU. V. BALITZKY, L.I. NESTEROVA, M. YU. KORNILOV, A. V. TUROV, V.V.PEN'KOVSKY A.S.TARASEVICH (INSTITUTE OF ORGANIC CHEMISTRY KIEV, USSR)

169

THERMALLY INDUCED REARRANGEMENTS OF IMIDAZOLE DERIVATIVES. A NOVEL PROOF FOR THE RADICAL MECHANISM OF THERMALLY INDUCED REARRANGEMENTS OF 2,4,4-TRIARYL-5-ALKYLTHIO-4H-IMIDAZOLES

GY. DOMANY, J. NYITRAI, K. LEMPERT, W. VOELTER, H. HORN (TECHNICAL UNIV. BUDAPEST HUNGARY AND TUBINGEN UNIVERSITY GERMANY)

171

STUDIES IN THE SERIES OF CONDENSED IMIDAZOLE SYSTEMS WITH A BRIDGE NITROGEN ATOM

P.M. KOCHERGIN (RESEARCH INSTITUTE FOR TECHNOLOGY OF BLOOD AND HORMONAL PREPARATIONS. MOSCOW U.S.S.R.)

173

THIENO[3,4-b]INDOLE AND SELENOLE[3,4-b]INDOLE, TWO NOVEL HETEROCYCLES

A. SHAFIEE (TEHRAN UNIVERSITY, IRAN)

174

REACTIVITY OF 2-ARYLETHYNESELENOLATE AS A NUCLEOPHILE

A. SHAFIEE, I. LALEZARI, AND F. SAVABI (TEHRAN UNIVERSITY IRAN)

176

THIENO[2,3-c]BENZOFURAN AND SELENOLO[2,3-c]BENZOFURAN, TWO NOVEL HETEROCYCLES

A. SHAFIEE AND E. BEHNAM (TEHRAN UNIVERSITY IRAN)

177

THIENO[3,4-d]THIAZOLE AND SELENOLO[3,4-d]THIAZOLE, TWO NOVEL HETEROCYCLES

A. SHAFIEE AND A. MAZLOUMI (TEHRAN UNIV. IRAN)

179

SYNTHESIS OF DIMETHYL SELENOPHEN-2,3-DICARBOXYLATES

A. SHAFIEE, I. LALEZARIAND, F. SAVABI (TEHRAN UNIVERSITY, IRAN)

181

RING TRANSFORMATION OF 5-UNSUBSTITUTED 1,2,3-SELENADIAZOLES TO 2‑THIOXO-1,3-SELENATHIOLES

A. SHAFIEE, I. LALEZARI, AND F. SAVABI (TEHRAN UNIV. IRAN)

182

REACTION OF SUBSTITUTED SELENOUREAS WITH DIMETHYL ACETYLENEDICARBOXYLATE

A. SHAFIEE, F. ASSADI AND I.V. COHEN (TEHRAN UNIVERSITY IRAN)

183

NMR AND UV STUDY OF THE HETEROCYCLISATION BY MERCURIC SALTS OF ETHYLENIC AMINES

M.B. GASC H. HODJAT-KACHANI, A. LATTES J.J. PERIE (UNIV. OF PAUL SABATIER, FRANCE AND NATIONAL UNIVERSITY OF IRAN)

184

STUDIES ON THE REACTIVITY OF ETHYL CYANOACETATE TOWARD HYDRAZINO N‑HETEROCYCLES

M. DANESHTALAB, A. KHALAJ AND S. DAVOODI (TEHRAN UNIVERSITY IRAN.)

186

SYNTHESIS, CONFORMATION ALANALYSIS AND QUATERNIZATION OF STEREOISOMERIC CIS-AND TRANS TETRAMETHYLENE-TETRAHYDRO-1,3-OXAZINES

G. BERNATH., L. GERA., K.L. LANG, AND P. SOHAR (A. JOZSEF UNIVERSITY BUDAPEST HUNGARY)

187

REACTION OF SECONDARY N-1-(2-CHLOROALKILIDENE) AMINES WITH LITHIUM ALUMINIUM HYDRIDE: SYNTHESIS AND REARRANGEMENT OF 1,2,2‑TRISUBSTITUTED AZIRIDINES

NORBERT DE KIMPE, ROLAND VERHE LAURENT DE BUYCK, NICEAS SCHAMP (STATE UNIV. OF GENT GENT BELGIUM)

 189

SYNTHESIS AND E.S.R. STUDIES OF SOME NEW BENZOXAZINE-BENZOTHIAZINE N‑OXIDES

P. BATTISTONI, P. BRUNI, G. FAVA (UNIV. DI ANCONA ITALY)

190

SYNTHESIS OF SUBSTITUTED FURYLACRYLIC ACIDS.

J. KOVAC AND D. VEGH (SLOVAK TECHN. UNIV. BRATISLAVA, CZECHOSLOVAKIA)

192

C-SILYLATION OF AMIDES CONJUGATED, HETEROCYCLIC AROMATIC AND ALIPHATIC, N,N-DISUBSTITUTED

MOHAMMED BOLOURTCHIAN (UNIV. OF AZARABADEGAN TABRIZ)

194

THE SYNTHESIS OF FURANS AND PYRROLES FROM DICHLOROKETONES

IBRAGIM I. IBRAGIMOV (ACA. SCI U.S.S.R.)

 195

NEW ROUTES TO P-N-N LINKAGE HETEROCYCLIC COMPOUNDS

J. NAVECH, J.P. MAJORAL ET M. REVEL (UNIV. PAUL SABATIER, TOULOUSE FRANCE)

197

TETRAALDEHYDE-DIAMINE CONDENSATIONS: AN ENTRY INTO NEW CONDENSED HETEROCYCLIC SYSTEMS

ISRAEL AGRANAT, MORDECAI RABINOVITZ, AND WU-CHANG SHAW (HEBREW UNIV. OF JERUSALEM ISRAEL)

199

SYNTHESIS AND SPECTROSCOPIC IDENTIFICATION OF TIN(IV) HETEROCYCLIC COMPOUNDS-PART I

DR. RAJA H. ABU-SAMN (YARMOUK UNIVERSITY JORDAN)

201

CYCLOADDITION OF THE THIOL GROUP TO SCHIFF BASE SYSTEMS

A.K. EL-SHAFEI (SOHAG EGYPT)

203

PREPARATION AND PROPORTIES OF THE NEW SI-N-RINGSYSTEM 1,4-DIAZA-2.3.5.6-TETRASILABICYCLO[2.2.2.]OCTANE

F. RABET AND SH. GHAFOURIBAKHSH (ARYA MEHR UNIVERSITY TEHRAN IRAN)

205

PREPARATION OF SOME 3-HYDROXY-AND 3-MERCAPTPO-1,2,4-TRIAZOLES. REACTION OF ALIPHATIC SELENONESTERS WITH SEMICARBAZIDE AND THIOSEMICARBAZIDE DERIVATIVES

VICTOR ISRAEL COHEN (FERDOWSI UNIVERSITY, IRAN)

207

SYNTHESIS OF 4,5-DIHYDROBENZO[b]FURANS, 4,5-DIHYDROBENZO[b]THIOPHENES, AND 4,5-DIHYDROINDOLES VACUUM PYROLYSIS – ELECTROCYCLIC REACTIONS

WILLIAM P. WEBER AND BRUCE IRWIN ROSEN (UNIV. OF SOUTHERN CALIF. LOS ANGELES U.S.A.)

209

BENZODITHIOPHENES, SYNTHESIS AND PROPERITIES

SALO GRONOWITZ AND TORSTEN DAHLGREN (UNIV. OF LUND, SWEDEN)

211

HETEROCYCLES WITH A P_III N*BOND, THEIR USE IN DIOXA DIAZA PHOSPHA MACROCYCLES SYNTHESIS

H. SLIWA AND J.P. PICAVET (UNIVERSITE DES LILLE FRANCE)

212

HETEROMACROCYCLES FROM NITRILE OXIDES, AND THEIR COMPLEXES

FRANCESCO DE SARLO AND ANTONIO GUARNA (UNIVERSITA DI FIRENZE ITALY)

214

CHEMISTRY OF DIHYDROPHENOPHOSPHAZINES

B.I. STEPANOV O.G. PISKUNOVA, L.A. YAGODINA, A.I. BOKANOV (MOSCOW INST.OF TECHNOLOGY NAMED AFTER D.I. MENDELEEV)

215

THE USE OF NITRENIUM ION AND TETRACYANOETHYLENE IN NITROGEN HETEROCYCLES SYNTHESIS

A. SHIRAZI, R. DRESSLER AND R.S. MARIANELLI (UNIVERSITY OF NEBRASKA, LINCOLN U.S.A.)

217

HETEROCYCLIC SYNTHESES VIA IMIDOYL HALIDES AND NITRILIUM SALTS

G. FODOR AND S. NAGUBANDI (W. VIRGINIA UNIV. U.S.A.)

218

SYNTHESES AND TAUTOMERISM OF TRIMERCAPTOPYRIDAZINES

G.B. BARLIN AND P. LAKSHMINARAYANA (AUSTRALIAN NATIONAL UNIV. CANBERRA AUSTRALIA)

220

REACTION OF N-TERT-BUTYLIMINES WITH ENAMINES A NEW ROUTE TO SUBSTITUTED PYRIDINES

MITSUO KOMATSU, HIDEO OHGISHI, YOSHIKI OHSHIRC AND TOSHIO AGAWA (OSAKA UNIVERSITY JAPAN)

222

[2+2]-, [2+4]-, AND [4+4]-PHOTOCYCLOADDITIONS WITH CYCLIC ENOLETHERS

G. KAUPP, M. STARK, AND E. TEUFEL (UNIV. FREIBURG. GERMANY)

224

SYNTHESIS OF 1,6-DIARYL-1,6-DIAZACYCLODECA-3,8-DIYNE (SPECTROSCOPIC AND CHEMICAL CONSEQUENCES OF PROXIMATE AND RIGIDLY FIXED TRIPLE BONDS)

TAKEO TAKAHASH I AND B.S. THYAGARAJAN (UNIV. OF TEXAS AT SAN ANTONIO U.S.A)

226

SYNTHESIS OF SOME 2-(N-TOSYL- OR N-PHTHALOYL AMINOACYL) AMINOPYRIDINES AND AMINOTHIAZOLES

A.M. EL-NAGGAR AND A.M. GOMMA (AL-AZHAR UNIV. CAIRO, EGYPT)

229

ELECTROPHILIC ACTIVATION OF AZOMETHINE YLIDES, NEW SELECTIVE SYNTHESIS FROM AZIRIDINES

M. VAULTIER, M.S. QUALI AND R. CARRIE (RENNES FRANCE)

231

SYNTHESIS AND CHARACTERIZATION OF MIXED DI- AND TRINUCLEOTIDES CONTAINING PURINE AND PTERIDINE BASES

RAMAMURTHY CHARUBALA AND WOLFGANG PFLEIDERER (UNIV. OF KONSTANZ, W. GERMANY)

233

PHOSPHORUS-CONTAINING NUCLEOSIDE DERIVATIVES

PAUL A. BARTLETT, JERRY L. ADAMS, AND JOHN T. HUNT (UNIV. OF CALIF, BERKELEY CALIF. U.S.A.)

235

NOVEL INTRAMOLECULAR REACTIONS OF 2’,3’-ANHYDRO PURINE NUCLEOSIDES

R. MENGEL (UNIV. OF KONSTANZ, W. GERMANY)

237

NUCLEOSIDES SYNTHESIS FROM ISOCYANATE AND ISOTHIOCYANATE

J.L. MONTERO, M. RODRIGUEZ, J.L. IMBACH (UNIV. DES LANGUEDOC, MONTPELLIER FRANCE

239

SYNTHESIS OF NEW DISSYMETRICALLY SUBSTITUTED RIBOFURANOSIDES POTENTIALLY USEFUL FOR NUCLEOSIDIC CONDENSATION

C. CHAVIS, F. DUMONT, J.L. IMBACH (UNIV. DES LANGUEDOC MONTPELLIER FRANCE)

240

METHYLATION REACTIONS OF 7-AMINO-1H-4H-IMIDAZO[2,3-c]-12,6-THIADIAZINE 5,5-DIOXIDE, PREPARATION OF STRUCTURAL ANALOGUES OF METHYLISOGUANINES

G. GARCIA-MUNOZ, C. OCHOA, M. STUD (MADRID SPAIN)

241

SYNTHESIS OF ALKYL, RIBOFURANOSYL AND 2'-DESOXY-RIBO-FURANOSYL S‑TRIAZOLO[4,3-a]PYRAZINES

TAM HUYNH DINH, SIMON ROBERT SARFATI, AND JEAN IGOLEN (INST. PASTEUR, FRANCE) AND EMILE BISAGNI AND JEAN-MARC LHOSTE (INST. DU RADIUM ORSAY, FRANCE)

243

INTERACTION OF AMINOPURINES AND AMINOPYRIMIDINES WITH CHLOROACETALDEHYDE AND RELATED COMPOUNDS

N.K. KOCHETKOV, V. N. SHIBAEV, A.A. KOST (ACA. SCI. MOSCOW, U.S.S.R.)

244

SYNTHESIS AND RING CLEAVAGE REACTIONS OF BICYCLIC IMMONIUM SALTS

GUNTER EGE, TAREK ROKHSY UND HEINRICH SCHNEIDER (UNIVERSITAT HEIDELBERG 1 GERMANY)

246

POLYCYCLIC HETEROCYCLES BY POLAR CYCLOADDITION OF ACTIVATED MULTIPLE BOND SYSTEMS TO HETEROCYCLIC ONIUM SALTS, SYNTHESIS OF HETEROSTEROIDS

G. SCHEROWSKY, H. FRANKANDA ROY (TECH.UNIV. BERLIN, GERMANY)

248

NOVEL REACTIONS OF 2-METHYLCHROMONE: THE SYNTHESIS OF BENZO[b]PYRANO[4,3-e]PYRAN DERIVATIVES RELATED TO FULVIC ACID

FRANCIS M. DEAN AND DENNIS A. SMITH (UNIV. OF LIVERPOOL ENGLAND)

250

SYNTHESIS OF SOME BENZIMIDAZOLE, BENZOXAZOLE AND BENZTHIAZOLE DERIVATIVES. ACTION OF ALIPHATIC SELENON ESTERS ON SOME O-AMINOTHIOPHENOL AND THEIR DERIVATIVES

VICTOR ISRAEL COHEN AND SORAYA POURABASS (FERDOWSI UNIV. MASHHAD, IRAN)

252

THE DIRECT SYNTHESIS OF SPIRANES

F. ASAAD, N. LATIF, N. MISHRIKY AND I. ZEID (CAIRO EGYPT)

255

USE OF ETHYL PHENYLPROPIOLATE IN THE SYNTHESIS OF CONDENSED HETEROCYCLIC COMPOUNDS

H.N.AL-JALLO, I. A.AL-BIATY AND M.A. ABDUL MUNEM (NRI, ATOMIC ENERGY COMMISSION, BAGHDAD IRAQ)

257

SYNTHESIS OF SOME PREVIOUSLY UNKNOWN SULPHUR-CONTAINING HETEROCYCLIC COMPOUNDS

S.A.VARTANIAN, A.S. NORAVIAN AND SH.P.MAMBREYAN (ACA. SCI, SSR, U.S.S.R.)

260

THE NOVEL SYNTHETIC METHOD OF HETEROCYCLES INDOLES, QUINOLINES AND ISOQUINOLINES

YOSHIO BAN, TAKESHI WAKAMATSU, MIWAKO MORI, TAKESHI OHNUMA AND KIYOSHI YOSHIDA (HOKKAIDO UNIV. SAPPORO JAPAN)

261

CONDENSATION OF POLYFLUORINATED  β-DIKETONES WITH DIAMINES

I.YA. POSTOVSKII, K.I. PASHKEVITCH, V.I. SALOUTIN, A.D. SINEGIBSKAYA, G.N. LIPUNOVA (ACA. SCI. OF U.S.S.R.)

263

[3+2]-CYCLOADDITION REACTIONS OF DIAZOALKANES AND AZIDES ONTO PHOSPHORYL CYCLOPROPENES

MANFRED REGITZ, WOLFGANG WELTER AND HEINRICH HEYDT (UNIV. OF KAISERSLAUTERN, GERMANY)

265

PHOTOLYSIS OF PYRIDAZINE-1,2-DIOXIDES; FORMATION OF 6,7-DIAZA-1,4-DIOXOCINS, A NOVEL RING SYSTEM

HIROSHI IGETA, AKIO OHSAWA, HEIHACHIRO ARAI, AND KATSUNORI SAIKI (SHOWA UNIVERSITY JAPAN)

267

STUDIES ON THE SYNTHESIS AND REACTIVITY OF THE 1,2,3-TRIAZOLO[5,1-c]-1,2,4-TRIAZINE AND 1,2,3-TRIAZOLO[1,5-b]-1,2,4-TRIAZINE RING SYSTEMS

G. TENNANT (UNIVERSITY OF EDINBURGH, ENGLAND)

269

THIA-AND SELENAKETENES AS REACTIVE AND USEFUL INTERMEDIATES IN THE DECOMPOSITION OF 1,2,3-THIA AND SELENA-DIAZOLES

M. YALPANI AND F. MALEK-YAZDI (ARYA MEHR UNIVERSITY, TEHRAN, IRAN)

271

REACTION OF PHENOXAZINES AND PHENOTHIAZINES WITH 7,7,8,8‑TETRACYANOQUINODIMETHAN

B.P. BESPALOV, E.V. GHETMANOVA, V.V. TITOV (DYES INST. MOSCOW, U.S.S.R.)

272

THERMAL AND ACID CATALISED REARRANGEMENT OF 3H-PYRAZOLES

PETER SCHIESS AND HENRI STALDER (UNIV. DER ST. JOHANN-SRING BASEL, SWITZERLAND)

274

BASICITIES OF SOME DIAZAPHENANTHRENES

TH. BLUHM, A. BLUHM. B. BEHJATI, A. RUSTAIYAN (UNIV. DUSSELDORF, GERMANY AND THE NATIONAL UNIVERSITY OF IRAN TEHRAN, IRAN)

276

THE INFLUENCE OF THE STRUCTURE ON THE POLAROGRAPHY AND KINETICS OF THE SOLVOLYSIS OF N-2-PYRROLYL METHYLENES

AICHA ALI-BEY AND ABDERREZZAK MESLI (UNIV. OF ORAN ES-SENIA ALGERIA)

277

SYNTHESIS AND PROPERTIES OF POLYMETHYLENE-BRIDGED ANDENINES AND ADENOSINES

KAZUHARU IENAGA AND WOLFGANG PFLIEDERER (UNIVERSITY OF KONSTANZ, W. GERMANY)

279

NEW RESULTS ON THE STRUCTURE OF THE EYE-PIGMENTS DROSO- AND ISODROSOPTERIN

NORBERT THEOBALD AND WOLFGANG PFLEIDERER (UNIVERSITY KONSTANZ, WEST GERMANY)

281

NOVEL SYNTHETIC ANALOGS OF C-NUCLEOSIDES

J.M.J. TRONCHET, F. RACHIDZADEH GHAHREMANPOUR AND R. E. MOSKALYK (SCIENCES II - 30 QUAI E. -ANSERMET, 1211 GENEVA SWITZERLAND)

283

SYNTHESIS OF INDOLE DERIVATIVES FROM CH-ACIDIC ANHYDRIDES AND AZOMETHINES

M.A. HAIMOVA, E.R. STANOEVA AND A.I. DIMITROVA (SOFIA UNIVERSITY, BULGARIA)

285

PYROLYTIC CONVERSION OF CARBOHYDRATES TO FURAN AND PYRAN DERIVATIVES

F. SHAFIZADEH (UNIVERSITY OF MONTANA, MONT. U.S.A.)

287

SYNTHETIC STUDIES DIRECTED TOWARD PROPOSED CYCLIC PHOSPHATE PRECURSORS IN TERPENE BIOSYNTHESIS

W.W.EPSTEIN, J.H. SHAW AND MASSOUD GARROSSIAN (UNIVERSITY OF UTAH, UTAH, U.S.A.)

289

THE NITROGENOUS COMPOUNDS IN COLCHICUM SPECIOSUM

M. IZADDOOST AND Z. M. PARANDOOSH (TEHRAN UNIVERSITY, IRAN)

291

NEW FURANOID DITERPENES FROM MEDICINAL PLANTS OF MEDITERRANEAN AREA

F. PIOZZI, S. PASSANNANTI, M.P. PATERNOSTRO, G. SAVONA J.R. HANSON AND M. SIVERNS (UNIVERSITY OF PALERMO, ITALY, AND UNIVERSITY OF SUSSEX U.K.)

293

THE SAPONINS AND LEUCOANTHOCYANINS OF THE LEAVES OF ZIZYPHUS SPINA-CHRISTI

K. JEWERS AND J.J. W. COPPEN (TROPICAL PRODUCTS INSTITUTE, ENGLAND) AND Y. AYNEHCHI AND M. MAHMOUDIAN (TEHRAN UNIVERSITY, IRAN)

295

SYNTHESIS OF 6-OXODIBENZO[a,g]QUINOLIZINIUM SALTS AND THEIR ESTERS

E.V. KUZNETZOV, I. V. SHERBAKOVA, G.N. DOROFEENKO (ROSTOV-ON-DON STATE UNIVERSITY U.S.S.R.)

297

SYNTHESIS OF NATURAL PRODUCTS WITH 2-FURYLMAGNESIUM BROMIDE

AKIRA TAKEDA, KOICHI SHINHAMA,AND SADAO TSUBOI (OKAYAMA UNIVERSITY TSUSHIMA, JAPAN)

298

SYNTHESIS OF 8-AZASTEROIDS

A. VEDRES, G. TOTH AND CS. SZANTAY (EGYT PHARMACOCHEMICAL WORKS, BUDAPEST, INST. OF ORG. CHEM.SEMMELWEIS MEDICAL UNIV. BUDAPEST, AND INST. OF ORG. CHEM.TECHNICAL UNIV. BUDAPEST)

300

MICHAEL-TYPE ADDITIONS WITH AN ISOBASIC ISOQUINOLINE

KALMAN HARSANYI (CHINOINPHARM. AND CHEM. WORKS, BUDAPEST)

301

THERMAL CYCLISATION OF ANTHRANILIC ACID

D.P. CHAKRABORTY, P. BHATTACHARYYA, (MISS) M. SARKAR AND A.K. BISWAS (BOSE INST. CALCUTTA, INDIA)

303

NEW CONSTITUENTS OF ROASTED MEAT FLAVOUR: IDENTIFICATION AND SYNTHESIS OF PYRROLO[1,2-A]PYRAZINE AND OF SOME ALKYL HOMOLOGUES

IVON FLAMENT, PHILIPPE SONNAY & GUNTHER OHLOFF (FIRMENICH SA, RESEARCH LAB. GENEVA SWITZERLAND)

305

N-ALKYLATION OF INDOLES AND PYRROLES

F. DE ANGELIS, M. GRASSO, R. NICOLETTI (UNIVERSITY OF ROME, ITALY)

307

SYNTHESIS OF NATURALLY OCCURRING BENZOFURANS

RIAZ AHMED, RICHARD P. DUFFLEY, FRED G. SCHREIBER AND ROBERT STEVENSON (UNIVERSITY OF BRANDEIS, MASSACHUSETTS U.S.A.)

309

STUDIES IN O-QUINONEMETHIDES- A FACILE SYNTHESIS OF 3-AROYL-4H-CHROM-2-ENES

K.K. BALASUBRAMANIAN AND S. SELVARAJ (INDIAN INST. OF TECHNOLOGY, MADRAS, INDIA)

311

AFLATOXIN FREE NATIVE IRANIAN PEANUT

B. TAVASOLIAN, UNIVERISTY OF TEHRAN, IRAN)

314

SYNTHESIS OF OXIRANES FROM ISOPRENOID ACID ESTERS

L.A. YANOVSKAYA, G.V. KRYSHTAL (MOSCOW U.S.S.R.)

315

THE SYNTHESIS OF LACTAME DERIVATIVES WITH THIAZOLIDINDIONES

M. JAPELJ, M. HOHNJECAND, M. OKLOBDZIJA (KRKA PHARM. AND CHEMICAL WORKS, MESTO, YUGOSLAVIA)

317

THE USE OF SOME HETEROCYCLIC AMINO ACIDS IN THE CHEMOTAXONOMY OF THE GENUS SOPHORA*

MOHAMED IZADDOOST (TEHRAN UNIVERSITY, IRAN)

318

SOME OBSERVATIONS ON THE TRANSFORMATION OF OXAZOLINES INTO ISOQUINOLINES

TOMASZ KOPCZYNSKI AND STEFAN GOSZCZYNSKI (POZNAN TECH. UN1VERSITY CURIE POLAND)

320

NOVEL RING CLEAVAGE REACTIONS OF BILE PIGMENTS

FAHIMEH EIVAZI AND KEVIN M. SMITH (UNIVERSITY OF LIVERPOOL, ENGLAND)

322

NEW 2- QUINOLONE ALKALOIDS FROM ZANTHOXYLUM MONOPHYLLUM

FRANK R., STERMITZ AND IRAJ SHARIFI A. (COLORADO STATE UNIV. COLORADO U.S.A.)

324

CARBOSTYRIL ACETIC ACIDS - SYNTHESIS AND POTENTIAL USE IN DIABETIC SECONDARY SEQUELAE

D.R. BRITTAIN (I.C.I. LTD. ENGLAND)

326

STUDIES IN CANNABINOID DERIVATIVES

S.Y. DIKE AND J.R. MERCHANT (INST. OF SCIENCE, BOMBAY,INDIA)

328

PYRIMIDO[4,5-c]PYRIDAZINES. CYCLIZATIONS WITH SIMPLE α-KETOESTERS AND DIETHYL KETOMALONATE

ROBERT W. MORRISON, JR. W. REVILL MALLORY, AND VIRGIL L. STYLES (THE WELLCOME RESEARCH LABS. N. CAROLINA U.S.A.)

330

SYNTHESIS OF 4-HYDROXY-AND 4-MERCAPTOQUINAZOLINES DERIVATIVES

VICTOR ISRAEL COHEN AND PARIROKH BAIAT-MOKHTARI (FERDOWSI UNIVERSITY, MASHHAD, IRAN)

332

SYNTHESIS OF SOME GLYCOSYLNITROSOUREAS WITH ONCOSTATIC ACTIVITES

J. L. MONTERO A. MORUZZI, J. OIRY, M. RODRIGUEZ ET J. L. IMBACH (UNIVERSITE DU LANGUEDOC, MONTPELLIER, FRANCE)

334

PREPARATION OF SOME CHLOROMERCURI DERIVATIVES OF NITROGEN HETEROCYCLES

ALI FREESTONE AND ARAZGELDI YEMERLI (PAHLAVI UNIV., SHIRAZ, IRAN)

335

SYNTHESIS OF 1,3,5-TRIAZINYL- AND PYRIMIDYL-ISONITRILES

K. HOEGERLE (CIBA-GEIGY BASLE, SWITZERLAND)

337

SOME SUBSTITUTED 2-METHYLPYRIMIDINES

DESMOND J. BROWN AND PAUL WARING (CANBERRA, AUSTRALIA)

338

THE ROLE OF 2-PYRROLIDON-5-SODIUM CARBOXYLATE TO CURE DEHYDRATED AND ALIPID SKIN

TANWEER A. SYED (JOHNSON & JOHNSON IRAN)

340

THE REACTION OF (4H)-3,1-BENZOXAZIN-4-ONES WITH NUCLEOPHILIC AGENTS. THE REACTION MECHANISM OF THE 4(3H)-QUINAZOLINON SYNTHESIS

MR. Z. ECSERY, MRS. J. HERMANN, MISS I. KOSA (CHINOIN PHARM AND CHEMICAL WORKS, BUDAPEST, HUNGARY)

342

STUDIES ON THE CONFICURATION OF THE ALDOXIMES OF 2-BENZYL-4-FORMYL-5-Y-THIAZOLES

GH. HINTZ, H. DEMIAN AND I. SIMITI (CLUJ-NAPOCA, ROMANIA)

344

APPLICATIONS OF 4-ETHOXYCARBONYL 3(2H)-FURANONES IN NITROGEN HETEROCYCLES SYNTHESIS

R. GELIN, S. GELIN AND D. HARTMANN (INST. NATIONAL DES SCIENCES APPLIQUEES, FRANCE)

345

NEW POLYHETEROCYCLIC COMPOUNDS

A. GHANBARPOUR AND I. LALEZARI (TEHRAN. UNIVERSITY, TEHRAN, IRAN)

347

THE SYNTHESIS OF 3-(8-AMINOETHYL)-6-HYDROXYCOUMARONE

AHMAD SARHANGI AND THEODORE A. GEISSMAN (UNIV. OF CALIF. LOS ANGELES, U.S.A.)

349

ELECTROPHILIC VERSUS NUCLEOPHILIC PROPERTIES OF O‑SULFONYLHYDROXYLAMINES IN HETEROCYCLIC SYNTHESIS

JACQUES STREITH, CHRISTIAN FIZET AND HANS FRITZ (UNIVERSITE DU HAUT-RHIN, FRANCE CIBA-GEIGY BASEL, SWITZERLAND)

351

HALOGENATED PYRIDINES AND 1,8-NAPHTHYRIDINES

R. HUFF, F. MUTTERER AND C.D. WEIS (CIBA-GEIGY BASEL, SWITZERLAND)

354

A NOVEL APPROACH TO THE SYNTHESIS OF SOME HETEROCYCLES AND ELUCIDATION OF STRUCTURES

JAY NEMATOLLAHI AND S. KA$INA (UNIV. OF TEXAS AT AUSTIN TEXAS, U.S.A.)

356

STUDIES CONCERNING "2-AMINFURANS"

J. REISCH (WESTFALIAN WILHELMS UNIVERSITY, GERMANY)

357

THE PYRIMIDINE - PYRIMIDYLIDENE TAUTOMERISM OF SUBSTITUTED PYRIMIDYLMETHANES