Presiding: J. Rokach (Merck Frosst Laboratories, Canada)

Page

1:30

(M1330A)

Heterocyclic Systems via Functionally Substituted Vinyl Carbanions, R. R. Schmidt and J. Talbiersky (Universität Konstanz, West Germany)

16

1:45

(M1345A)

Cycloadditions of Thiirene 1,1-Dioxides, Y. Ohshiro, M. Komatsu, and T. Agawa (Osaka University, Japan)

18

2:00

(M1400A)

Cycloreactions with Diazo-Azoles, G. Ege and K. Gilbert (Universität Heidelberg, West Germany)

20

2:15

(M1415A)

High-Pressure Reactions of Heteroaromatic Nitrogen Compounds with Dimethyl Acetylenedicarboxylate, K. Matsumoto, T. Uchida, Y. Ikemi-Kono, and R. M. Acheson (Kyoto University, Japan)

22

2:30

(M1430A)

Reactions of Heterocyclic Compounds with Uncoordinated and Coordinated Acetylene Derivatives, A. Davidson, J. L. Davidson, I. E. P. Murray, and P. N. Preston (Heriot-Watt University, United Kingdom)

24

2:45

(M1445A)

Novel Heterocycles by Reaction of Nitroalkenes and Ynamines, D. N. Reinhoudt, W. P. Trompenaars, and A. D. de Wit (Twente University, The Netherlands)

27

3:00-3:15

INTERMISSION

3:15

(M1515A)

Aspects of the Chemistry of 1,2-Benzothiazepine 1,1-Dioxides, R. A. Abramovitch and J. Stowers (Clemson University, USA)

29

3:30

(M1530A)

The Syntheses of Azatropolones, T. Sano, Y. Horiguchi, Y. Tsuda, and M. Kaneda (Showa College of Pharmaceutical Sciences, Japan)

30

3:45

(M1545A)

Ring Annulation with Heterocyclic Ylides. Annulation of Pyridones to Heterocyclic Thiones, S. Kanemasa and K. T. Potts (Rensselaer Polytechnic Institute, USA)

32

4:00

(M1600A)

Heterosteroids by Polar Cycloaddition of Electronrich Multiplebond Systems to Heterocyclic Onium Salts, H. Marschall, A. K. Roy, and G. Scherowsky (Universität Berlin, West Germany)

34

4:15

(M1615A)

New Photoreactions of Dihalomaleimides, H. Wamhoff, H. J. Hupe, A. A. Nada, P. Sohár, G. Szilagyi, and K. Wald (Universität Bonn, West Germany)

35

4:30

(M1630A)

A Carbon-Carbon Bond Formation Using an Endoperoxide of N-Carbomethoxypyrrole and a Synthesis of 4-Alkylindoles, M. Natsume and H. Muratake (Research Foundation Itsuu Laboratory, Japan)

37

Presiding: D. J. Brown (John Curtin School of Medical Research, Australia)

Page

1:30

(M1330B)

The Oxidation of 7-(p-X-Phenyl)pteridin-4-anes (X=OMe, H, Br, CN, NO₂) with Free and Immobilized Xanthine Oxidase, J. Tramper, H. C. van der Plas, A. Nagel, and F. Müller (Agricultural University, The Netherlands)

39

1:45

(M1345B)

Synthesis and Properties of Dimeric Lumazine Derivatives, W. Pfleiderer and A. Koul(Universität Konstanz, West Germany)

41

2:00

(M1400B)

The Formation of Fused Pyrroles by the Condensation of Haloazines with Methylazines, R.K. Anderson, S.D. Carter, and G.W.H. Cheeseman (Queen Elizabeth College, England)

43

2:15

(M1415B)

Selective Monodeoxygenation of Ouinoxaline-Amino Acid and Ester Dioxides, M. M. El-Abadelah, S. S. Sabri, and H. I. Tashtoush (Kuwait Institute for Scientific Research, Kuwait)

44

2:30

(M1430B)

The 5(6)-Benzofuroxanoyl Group Chiroptical Properties and Suitability for Sequencial Analysis of Peptides, M. M. El-Abadelah, A. A. Anani, and Z. H. Khan (Kuwait Institute for Scientific Research, Kuwait)

45

2:45

(M1445B)

Synthesis and Properties of Substituted 1,4,5,8-Tetraazaphenanthrenes (TAP), Chelating Agents with Enhanced Backbonding, R. Nasielski-Hinkens, M. Benedek-Vamos, and D. Maetens (Université Libre de Bruxelles, Belgium)

47

3:00-3:15

INTERMISSION

3:15

(M1515B)

Synthesis of 2,4-Diaminopyrimido[4,5-f]quinoxalines, W. J. Christ and S. W. Schneller (University of South Florida, USA)

49

3:30

(M1530B)

Nucleophilic Substitution of o-Phenylenediamines, H. Suschitzky (University of Salford, England)

50

3:45

(M1545B)

1,4-Diformyl-1,4-dihydropyrazine; "Frozen” Rotamers, R. Gottlieb, G. Kollmannsberger, and W. Pfleiderer (Universität Konstanz, West Germany)

51

4:00

(M1600B)

A Convenient General Synthesis of 11-Alkylquinaxalo[2,3-b][1,4]benzathiazine, A. K. EL-Shafei, G. Vernin, and J. Metzger (Faculté del Sciences et Techniques de St. Jérôme, France)

53

4:15

(M1615B)

Synthesis of a Novel Triazaphenothiazine Ring System, C. O. Okafor (University of Nigeria, Nigeria)

55

Presiding: J. A. Reiter (Institute for Drug Research, Hungary)

Page

1:30

(M1330C)

Paraionic Compounds: A New Class of Heterocyclic Betaine, S. Kanemasa, K.T. Potts, and G. Zvilichovsky (Rensselaer Polytechnic Institute, USA)

56

1:45

(M1345C)

Polarographic Reduction of Some Guanylpyrazoline Nitrates and the Effect of Double Layer Structure on E_½, W. U. Malik, R. N. Goyal, and R. Jain (University of Roorkee, India)

57

2:00

(M1400C)

Reaction of 5-Afflino-4-arylazopyrazoles with Diazomethane, E. M. Kandeel, K. Y. Sadek, and M. H. Elnagdi (University of Mansoura, Egypt)

59

2:15

(M1415C)

Some Thermal and Photochemical Transformations of Heterocyclic α-Diazo Ketones, B. Stanovnik, M. Tišler, B. Koren, J. Bradač, B. Budič, A. Frangeš, and B. Mozetič-Reščič (University of Ljubljana, Yugoslavia)

61

2:30

(M1430C)

Condensed Pyridazines. III. Rearrangement and Ring Cyclization during the Thermolysis of (Z)-Methyl 3-(6-Azido-3-chloro-1-methyl-4-oxo-1,4-dihydropyridazin-5-yl)-2-methylacrylate, I. Maeba and R. N. Castle (Brigham Young University, USA)

63

2:45

(M1445C)

Pyridazines Part VII. Action of Grignard Reagents on Substituted Indone (2,1-e)pyridazin-3(2H)-ones. F.G. Baddar, E. E. Eid, and M. T. Omar (Kuwait University, Kuwait)

65

3:00-3:15

INTERMISSION

3:15

(M1515C)

An Attempted Synthesis of Alkoxyphthalazines, D. Bhattacharjee and F. D. Popp(University of Missouri-Kansas City, USA)

67

3:30

(M1530C)

Synthesis and Properties of Isoquinolo[2,3-c]phthalazinones and Isoindolo[2,1-c][2,3]benzodiazepines, J. Dusemund (Universität Berlin, Germany)

68

3:45

(M1545C)

S-Demethylation of Nitrogen Heterocycles: The Synthetic Utility of Sodium Methylmercaptidein DMF and in DMSO, S.-F. Chen and R. P. Panzica (University of Rhode Island, USA)

69

4:00

(M1600C)

Base-Catalyzed Ring Opening Reactions of-3-Arylidene-5-(2-tetralyl)-spirofuran-3(2H)-2-ones and Reaction of 6-(Aryl)-3-(2H)pyridazinones with Aryl Diazonium Chlorides, A. Essawy and M. Abdalla (Zagazig University, Egypt)

71

Presiding: R. E. Carlsson (Royal Institute of Technology, Sweden)

Page

2:00

(M1400D)

Photochemical Ring-Opening of Pyridine N-Oxide, J. Becher (Odense University, Denmark)

73

2:15

(M1415D)

Solvent Effects on the Photolysis of Isonicotinic Acid N-Oxide, J. B. Campbell and L. R. Caswell (The Texas Woman's University, USA)

75

2:30

(M1430D)

Intramolecular Cyclizations Involving Aryloxenium Ions, R. A. Abramovitch, R. Bartnik, M. Cooper, N. Dassanayake, H.-Y. Hwang, and M. N. Inbasekaran (Clemson University, USA)

76

2:45

(M1445D)

Concerning the Importance of Dual ρπ Concept in the LSFE Treatment for the Substituent Effects on Basicities of Pyridines and Pyridine N-Oxides, M. Sawada, M. Ichihara, Y. Yukawa, and Y. Tsuno (Osaka University, Japan)

78

3:00-3:15

INTERMISSION

3:15

(M1515D)

The Reaction of 1-Substituted Phthalazine 3-Oxides with Acetylenic Dienophiles, E. Oishi and E. Hayashi (Shizuoka College of Pharmacy, Japan)

80

3:30

(M1530D)

Hydroxyimino and Hydroxylamino Azines as Synthons for the Preparation of Some Heterocyclic N-Oxides, A. Tomažič. M. Tišler, and B. Stanovnik (University of Ljubljana, Yugoslavia)

82

3:45

(M1545D)

Triazole N-Oxides and N-Methoxytriazolium Salts as Useful Intermediates by Preparation of Substituted 1,2,3-Triazoles, M. Begtrup (The Technical University of Denmark, Denmark)

84

4:00

(M1600D)

The Synthesis and Photochemistry of Some N-Isoquinolinio- and N-(3-Quinazolinio) thioamidates, K. Lempert, M. Lempert-Sréter, J. Møller,J. Tamás, and K. Vékey (Technical University, Hungary)

86

Presiding: J. S. Bradshaw (Brigham Young University, USA)

Page

1:30

(T1330A)

Chemistry of Naked Anions, C. L. Liotta (Georgia Institute of Technology, USA)

88

2:00

(T1400A)

Selective Complexation of Ammonium and Guanidinium Salts by Macrocyclic Polyethers, J. P. Behr and J. M. Lehn (Institute Le Bel, France),

89

2:30

(T1430A)

Complexation of Alkylammonium Salts by Macrocyclic Polyether-Diester Compounds, J. S. Bradshaw, G. E. Maas, and S. L. Baxter (Brigham Young University, USA)

90

2:45

(T1445A)

The Dipole Moments of Selected Crown Ethers, L. R. Caswell, A. Defibaugh, G. Weathersbee, and I. Brodersen (The Texas Woman's University, USA)

92

3:00-3:15

INTERMISSION

3:15

(T1515A)

Synthesis, Reactions, and Complexation of Nicotinic Acid "Crown Ethers", G. R. Newkome and T. Kawato (Louisiana State University, USA)

93

3:45

(T1545A)

Asymmetric Reductions with Chiral 1,4-Dihydropyridine Crown Ethers, R. M. Kellogg, J. G. de Vries, and C. B. Troostwijk (University of Groningen, The Netherlands)

94

4:15

(T1615A)

The Azocyanide Functional Group, M. F. Ahern and G. W. Gokel (University of Maryland, USA)

96

4:45

(T1645A)

Novel Synthesis of Substituted Crown Ethers, I. Ikeda and M. Okaharà (Osaka University, Japan)

97

5:00

(T1700A)

Heteromacrocycles from Aliphatic Nitrile Oxides, F. De Serio (Università di Firenze, Italy)

99

Presiding: H. Neunhoeffer (Technische Hochschule Darmstadt, West Germany)

Page

1:30

(T1330B)

Reaction of Acetylenic Ketones and Chalcones with Phenylacetamide, F.G. Baddar, N. R. El-Rayyes, F. H. Al-Hajjar, and Y.A. Al-Farkh (Kuwait University, Kuwait)

101

1:45

(T1345B)

Substitution Reactions of 4-Isopropyl Pyridine via Organolithium Reagents and Lithium Aluminum Hydride, C. S. Giam and T. E. Goodwin (Texas A&M University, USA)

103

2:00

(T1400B)

Oligomerization of 2,2'-Dipyridyl: Facile Synthesis of Polypyridyls, D. C. Hager and G. R. Newkome (Louisiana State University, USA)

105

2:15

(T1415B)

The Rearrangement of 2-Nitraminopyridine, L. W. Deady, M. R. Grimmett, and C. H. Potts (La Trobe University, Australia)

107

2:30

(T1430B)

Synthesis of 9-Aryl(aralkyl)-4-azafluorenols-9 and Derivatives, G. Alvarado U., G. Quiroz G., and R. Garcia M. (Universidad Autõnoma del Estado de Morelos, Mexico)

108

2:45

(T1445B)

Alkylation of Quinolines with Trialkyl Phosphates, J. Frank, Z. Mészaros, and F. Dutka(Chinoin Pharmaceutical and Chemical Works, Hungary)

110

3:00-3:15

INTERMISSION

3:15

(T1515B)

Further Studies on the Hammick Reaction, E. V. Brown and J. C. Bruckman (University of Kentucky, USA)

112

3:30

(T1530B)

The Transformation of 1-Benzamido-1-phenylalkan-2-ols into 1-Phenyl-4-alkylisoquinolines, S. Goszczynski and T. Kopczynski (Poznan Technical University, Poland)

113

3:45

(T1545B)

Intra vs. Intermolecular Amidoalkylation of Aromatics, D. Ben-Ishai, N. Peled, and I. Sataty (The Technion, Israel)

115

4:00

(T1600B)

An Experimental and Theoretical Study of Bromoquinolizinium Bromides, G. M. Sanders, M. van Dijk, and C. Párkányi (University of Texas - El Paso, USA)

117

4:15

(T1615B)

Photosolvolysis of Bridgehead Quaternary Ammonlum Salts as a Route to Fused Medium-Ring Heterocycles, J. B. Bremner and K. N. Winzenberg (University of Tasmania, Australia)

118

4:30

(T1630B)

2-Cyano-3-piperidines; Potential and Masked 5,6-Dihydropyridinium Salts, D. S. Grierson, M. Harris, and H.-P. Husson (Institut de Chimie des Substances Naturelles du C.N.R.S., France)

119

4:45

(T1645B)

Stereodynamics of 3,7-Diazabicyclo[3.3.1]nona-9-ones, Y. Takeuchi and P. Scheiber (University of Tokyo, Japan)

121

 Presiding: R. R. Jacquier (Université des Sciences et Techniques du Languedoc, France)

Page

1:30

(T1330C)

A Practical Synthesis of E/Z Sym Diselenadithiafulvalenes, M. V. Iakshmikantham (University of Pennsylvania, USA)

123

1:45

(T1345C)

Synthesis of Heterocyclic Compounds Based on Alkynethiolates, R. S. Sukhai and L. Brandsma (The University-Utrecht, The Netherlands)

124

2:00

(T1400C)

Selenium Heterocycles XXIX. Reaction of 5-Substituted 2-Thioxo-1,3-thiaselenole with Ethyl Diazoacetate, Ethyl Azidoformate, Phenylazide and Ethyl Propiolate, A. Shafiee and M. Vosooghi (Tehran University, Iran)

126

2:15

(T1415C)

Novel Equilibrium Effected by Bond Switch with Participation of π-Bonded S^IV in a Thiathiophthene-Analogous System, K.-y. Akiba, T. Kobayashi, and S.-i. Arai (University of Tokyo, Japan)

127

2:30

(T1430C)

Nonclassical Selenoloselenophenes, S. Gronowitz and A. Konar (University of Lund, Sweden)

129

2:45

(T1445C)

Dicoordinate Phosphorus in Five-Membered Heterocycles, A. Schmidpeter, J. H. Weinmaier, and H. Tautz (Universität München, Germany)

131

3:00-3:15

INTERMISSION

3:15

(T1515C)

Synthesis of the 2,1-Borazarene System from Thiophenes, S. Gronowitz and I. Ander (University of Lund, Sweden)

133

3:30

(T1530C)

Synthesis of Thieno (aza)thiochromones, K. Beelitz, G. Buchholz, and K. Praefcke (Technical University Berlin, Germany)

135

3:45

(T1545C)

Heterocycles in Organic Synthesis. The Synthesis of Substituted Cyclopentenols, T. Frejd and O. Karlsson (University of Lund, Sweden)

136

4:00

(T1600C)

Synthesis of Some New Diaryl Sulfides and Sulfones Containing Heterocyclic Moieties, M. S. K. Youssef, S. R. El-Ezbawy, and A. A. Abdel-Wahab (Assiut University, Egypt)

137

Presiding: D. N. Reinhoudt (Twente University of Technology, The Netherlands)

Page

Small-Ring Heterocycles

1:30

(T1330D)

Reactions of Chlorooxirane with Sulfhydryl Compounds, J. T. Joseph and J. L. Wong (University of Louisville, USA)

139

1:45

(T1345D)

Ring Expansion Reactions of Vinyl-and Butadienyl-Oxiranes: Synthesis of Dihydrofurans and Dihydrooxepins, W. Eberbach and U. Trostmann (Universität Freiburg, West Germany)

141

2:00

(T1400D)

Vinyl Nitrene as Versatile Synthon; Controlling Factors for Selective Preparation of 5-, 6-, and 7-Membered Heterocycles, H. Taniguchi, K. Isomura, S. Hatano, S.-i. Noguchi, and M. Saruwatari (Kyushu University, Japan)

143

2:15

(T1415D)

Thermolysis and Photolysis of Phenyl-n-butyldiazirine in the Presence of m-Chloroperoxybenzoic Acid, M. T. H. Liu, G. E. Palmer, and N. H. Chishti (University of Prince Edward Island, Canada)

145

2:30

(T1430D)

Polyhalo-1,4-benzodioxan-2-ones and their Cleavage with Aryl Hydrazines; A New Route to 1,2-Diazetidin-3-ones, N. Latif and S. A. Meguid (National Research Centre, Egypt)

146

2:45

(T1445D)

Synthesis and Biological Activity of Some New Symmetrical Diaryl Sulphides and Diaryl Sulphones Containing Bis-b-lactamyland Bis-thiazolidinonyl Moieties, A. M. Osman, M. A. Abbady, and F. M. Atta (Assiut University, Egypt)

148

3:00-3:15

INTERMISSION

3:15

(T1515D)

The First Successful Substitution of 5H-Dibenzo[a,d]cyclohepten-5-one, J. Rokach, Y. Girard, and J. G. Atkinson (Merck Frosst Laboratories, Canada)

150

Oxygen Heterocycles

3:30

(T1530D)

Photochemical Synthesis of Structural Analogs of Polyether Antibiotics, G. Descotes and L. Cottier (University Lyon I, France)

152

3:45

(T1545D)

Oxythallation of Benzopyrilium Salts: Synthesis of Benzopyrones, M. Meyer-Dayan, B. Bodo, C. Deschamps-Vallet, J. B. Ilotse, and D. Molho (Muséum National Histoire

naturelle, France)

153

4:00

(T1600D)

A Facile Protecting Group for the Synthesis of Linear Furano and Pyranocoumarins, V. K. Ahluwalia, C. Prakash, and R. P. Singh (University of Delhi, India)

155

4:15

(T1615D)

A Convenient Route for the Synthesis of 3-Alkenylcoumarins and Chromones, V. K. Ahluwalia, C. Prakash, and R.Gupta (University of Delhi, India)

157

4:30

(T1630D)

Chromenes, S. B. Malik, S. K. Mukerjee, and P. Sharma (Delhi University, India)

159

4:45

(T1645D)

Synthesis of Some Natural Isopentenylated Polyphenols, A.C. Jain (H.P. University, India)

161

5:00

(T1700D)

Reactions of Cycloalkane 1,3-Diheteroanalogues in Solution, D. L. Rakhmankulov, R.A. Karakhanov, S. S. Zlotsky, E. A. Kantor, and U. B. Imashev (Ufa Oil Institute, USSR)

162

1:30-2:30

Presiding: J. Becher (Odense University, Denmark)

Page

(T1330P1)

Pyridinethiones, J. Becher (Odense University, Denmark)

164

(T1330P2)

1,2,5-Telluradiazoles, V. Bertini, F. Lucchesini, and A. De Munno (Università della Calabria, Italy)

165

(T1330P3)

The Cope Rearrangement in the Synthesis of 2-Thiabicyclo[3.2.0]hepta-3,6-dienes and Thiepins, H. J. den Hertog Jr. and D. N. Reinhoudt (Twente University of Technology, The Netherlands)

166

(T1330P4)

Dibenz[b,g]oxocinyl Anion, H. S. Kasmai (Shiraz University, Iran)

168

(T1330P5)

Ring-Transformation of 1,2,4-Oxadiazoles, D. Korbonits and P. Kiss (Chinoin Pharmaceutical and Chemical Works Ltd., Hungary)

170

(T1330P6)

Synthetic Routes to 7,8-Disubstituted 2-Amino-, 2-Hydroxy-, and 2-Mercaptoquinoxaline, S. E. Enke and S. W. Schneller (University of South Florida, USA)

172

(T1330P7)

Synthesis and Spectroscopic Identification of Tin(IV)Heterocyclic Compounds-Part II. On the Reaction of 1,3-Dimethyl Carbamide Chloride with Tin(IV) Tetrachloride, R. H. Abu-Samn (Al Fateh University, Libya)

173

2:45-3:45

(T1445P1)

Synthesis of Oxazolidines, Thiazolidines and the Corresponding Bicyclic Compounds, Oxazolidino- (or Thiazolidino-) Pyrrolidine-2,4-diones, M. Z. A. Badr, M. M. Aly, and M. E. Y. Mansour (Assiut University, Egypt)

174

(T1445P2)

Heterocyclic Spiro-naphthalenones: An Easy Route to Spiro[naphthalene-2(1H), 2'-pyrrolidines], D. Berney and K. Schuh (Wander Research Institute, Switzerland)

175

(T1445P3)

Triazolo-Cephems, D. Davies and M. J. Pearson (Beecham Pharmaceuticals, England)

176

(T1445P4)

Two Syntheses of Ellipticine, J. A. Joule and D. A. Taylor (University of Manchester, England)

177

(T1445P5)

New Sesquiterpene Lactones From Onopordon Leptoepis DC, A. Rustaiyan and L. Nazarians (National University of Iran, Iran)

179

(T1445P6)

8-Amino-3-substituted-s-triazolo[4,3-a]pyrazines as Isoformycin Analogs Possessing a Partial Ribofuranose Moiety, J. L. May and S. W. Schneller (University of South Fionda, USA)

180

4:00-5:00

(T1600P1)

The Reaction of 4-Oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidines with Iminium Salts, I. Bitter, I. Hermecz, A. Horváth, G. Tóth, and Z. Mészáros (Technical University,

Hungary)

182

(T1600P2)

Preparation and Reactions of Some Anhydro-5-hydroxy-1-alkyl- or -aryl-pyridazinium Hydroxides, S. Gelin (Institut National des Sciences Appliquées, France)

184

(T1600P3)

The Synthesis of the Stereoisomers of 1,X-Dimethyl-4-oxo-1,6,7,8,9,9a-hexahydro- 4H-pyrido[1,2-a]pyrimidine-3-carboxamides, I. Hermecz, T. Breining, Z. Mészáros, G. Tóth, M. Kajtár, and K. Simon (Chinoin Research Centre, Hungary)

186

(T1600P4)

The Transformation of 1-Acyl-2-phenylaziridines into Isoquinolines, T. Kopczyriski (Poznan Technical University, Poland)

188

(T1600P5)

1,2,4-Triazolo[3,4-a]benzo[f]isoquinolines, I. Lalezari and S. Nabahi (Albert Einstein College of Medicine, USA)

190

(T1600P6)

A New Procedure for the Cyclization of 2-Indole- and 3-Indole Carbohydrazones to 5H-Pyridazino [4,5-b]indole Derivatives, A. Monge Vega, J.A. Palop, M.T. Martinez, and E. Fernandez-Alvarez (Universidad de Navarra, Spain)

191

Presiding: R. Nasielski-Hinkens (Université Librede Bruxelles, Belgium)

Page

1:30

(R1330A)

N-Arylhydroxamic Acids-Novel Reagents for Aminoarylation of Heterocycles, T. Sheradsky and E. Nov (The Hebrew University, Israel)

193

1:45

(R1345A)

Condensation Products of Functionalized Primary Amines and 2-Methyl-2-isothiocyano-4-pentanone; A Reinvestigation, A. Singh and P. N. Maini (Guru Nanak Dev University, India)

194

2:00

(R1400A)

Amine-Induced Lossen Rearrangements of 3-Hydroxy-5,6-dihydrouracil and N-Hydroxysuccinimide Benzenesulfonates, L. Bauer, C. L. Bell, and M. E. VanVerst (University of Illinois Medical Center, USA)

196

2:15

(R1415A)

Synthesis of Some New Diarylsulphides and Diarylsulphones containing Quinazol-4-one Moiety, M. A. Abbady, M. M. Ali, and M. M. Kandeel (Assiut University, Egypt)

198

2:30

(R1430A)

The Reactivity of Geminal Diazides of Heterocyclic Compounds, T. Kappe. E. Pongratz, and G. A. Lang (University of Graz, Austria)

200

2:45

(R1445A)

Synthesis of the Quino[1,2-c]quinazoline Ring System, S. D. Phillips and R. N. Castle(Brigham Young University, USA)

201

3:00-3:15

INTERMISSION

3:15

(R1515A)

One Step Synthesis of Some 2,4-Diamino-6-substituted-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidines, T. J. Delia, S. M. Sami, D. D. Kirt, and C. D. Hawkins (Central Michigan University, USA)

202

3:30

(R1530A)

Synthesis and Reactivity of pyrazolo[1,5-a]pyrimidine and pyrimido[1,2-a]indole Derivatives, T. Kurihara, T. Tani, K. Nasu, and Y. Sakamoto (Osaka College of Pharmacy, Japan)

204

3:45

(R1545A)

Preparation of Novel Heterocyclic Systems from Isatoic Anhydrides; S. Sunder and N. P. Peet (Dow Chemical Company, USA)

206

4:00

(R1600A)

Use of NMR Lanthanide Shift Reagents for Structure Elucidation of Isomeric Fused Pyrimidones, H. N. Al-Jallo, and I. A. Al-Biaty (NRI, Iraq)

208

Presiding: L. B. Townsend (University of Michigan, USA)

Page

1:30

(R1330B)

Unusual N-Methylation of Nucleosides by Methyl Radical in Various pH Media, M. F. Zady and J. L. Wong (University of Louisville, USA)

210

1:45

(R1345B)

Structural Problems in Glycosylamines, Precursors of Nucleosides, F. Dumont, C. de Gourey, C. Chavis, and J.-L. Imbach (Université des Sciences et Techniques du Languedoc, France)

212

2:00

(R1400B)

The Synthesis of Certain Pyridazine Ribonucleosides, D. J. Katz, D. S. Wise, and L. B. Townsend (University of Michigan, USA)

213

2:15

(R1415B)

Synthesis of a Novel Series of b-NAD⁺ -Analogues, E. J. Freyne, E. L. Esmans, J. A. Lepoivre, and F. C. Alderweireldt (University of Antwerp, Belgium)

215

2:30

(R1430B)

¹H-N.M.R. Study of the Conformation in Solution of the Ribofuranose Moiety of a Novel Series of Pyridine Nucleosides, E. J. Freyne, E. L. Esmans, J. A. Lepoivre, and F. C. Alderweireldt (University of Antwerp, Belgium)

217

2:45

(R1445B)

Synthesis and Properties of 8-Hydroxy-guanines, W. Pfleiderer (Universität Konstanz, West Germany)

219

3:00-3:15

INTERMISSION

3:15

(R1515B)

Synthesis of 8-Aza-3-deazaguanine and 8-Aza-3-deazaguanosine via Novel Ring Closure Procedures, R. B. Meyer, Jr., G. R. Revankar, P. D. Cook, K. W. Ehler, M. P. Sehweizer, and R. K. Robins (Brigham Young University, USA)

220

3:30

(R1530B)

The Synthesis of 1H-pyrrolo[2,3-b]pyridine-4,6(5H,7H)-dione (1,7-Dideazaxanthine), J.-K. Luo and S. W. Sehneller (University of South Florida, USA)

222

3:45

(R1545B)

Direct Fluorination of 5,6-Dihydrouracils, A. Ghanbarpour and W. Wolf (University of Southern California, USA)

224

4:00

(R1600B)

¹³C NMR of the Uracil Analogs and their Significance to the Structure Elucidation of Complex Natural Products, T. C. Jain and D. B. Staiger (Smith Kline and French Laboratories, USA)

226

4:15

(R1615B)

Total Chemical Synthesis of Pseudosaccharides Related to Aminoglycoside Antibiotics, S. D. Gero, J. Cleophax, C. Colas, A.-M. Sepulehre, and B. Quiclet (Institut de Chimie des Substances Naturelles, France)

227

Presiding: J. A. Joule (University of Manchester, England)

Page

1:30

(R1330C)

Syntheses of the Indole Alkaloids Ellipticine and Olivacine, R. Carlsson (Royal Institute of Technology, Sweden)

229

1:45

(R1345C)

Heterocycles from Acylation of Some Imines with Pyridine-Carbonyl Chlorides. A Synthesis of Naucléfine, I. Ninomiya, O. Miyata, and T. Naito (Kobe Women's College, Japan)

231

2:00

(R1400C)

Formal Total Synthesis of(±)-(8S*)-Thienamycin and (±)-8S*-Decysteaminylthienamycin, T. Kametani, S.-P. Huang. and M. Ihara (Tohoku University, Japan)

233

2:15

(R1415C)

Synthetic Studies on Diterpene Alkaloid, A. K. Banerjee, P. Caraballo. and H. Hurtado(I.V.I.C., Venezuela)

235

2:30

(R1430C)

Synthesis and Pharmacological Properties of Sulfur Analogs of Pilocarpine, H. Y. Aboul-Enein, A. A. Al-Badr, S. E. Ibrahim. and M. I. Hamed (Riyadh University, Saudi Arabia)

237

2:45

(R1445C)

Synthesis of Tetradehydro-12-azasteroids, H. Neunhoeffer and H.-J. Metz (Technischen Hochschule Darmstadt, Germany)

238

3:00-3:15

INTERMISSION

3:15

(R1515C)

Chandonium Iodide Analogue Possessing Acetylcholine-Like Moiety and Related Work, H. Singh, T. R. Bhardwaj, and D. Paul (Panjab University, India)

240

3:30

(R1530C)

Pyrylium Salts as Potential Anti-Uremic Agents, V. G. DeVries and R. G. Shepherd(Lederle Laboratories-American Cyanamid Company, USA)

242

3:45

(R1545C)

Experimentation on Repigmentation of White Skin (Leucoderma), S. S. Sawhney(D.A.V. (P.G.) College, India)

244

4:00

(R1600C)

Indicator Properties of Plumbagin and Its Applications in Acid-Base Titrations, S. S. Sawhney and S. S. Bains (D.A.V. (P.G.) College, India)

245

Presiding: K.-y. Akiba (University of Tokyo, Japan)

Page

1:30

(R1330D)

The Correct Structure of N-Alkylated 3(5)-Amino-5(3)-methylthio-1,2,4-triazoles, T. J. Somorai, J. Reiter, L. Toldy, A. Szabo, M. Patthy, and P. Sohar (Institute for Drug Research, Hungary)

246

1:45

(R1345D)

New Synthesis of the Four, Five and Six Membered Heterocycles from the α,b-Unsaturated Acyl Isothiocyanates, P. Kristian, M. Dzurilla, and P. Kutschy (Šafarik University, Czechoslovakia)

248

2:00

(R1400D)

On Acylation of 1H-3(5)-Amino-5(3)-R-1,2,4- Triazoles, J. Reiter, L. Pongó, T. Somorai, L. Toldy, A. Szabo, and P. Sohar (Institute for Drug Research, Hungary)

250

2:15

(R1415D)

Synthesis and Properties of Benzotriazole Derivatives, A. Kreutzberger and J. Stratmann (Freie Universität Berlin, Germany)

252

2:30

(R1430D)

Bis-s-triazolo[4,3-a:4',3'-c]pyrimidine and Related Systems, D. J. Brown and T. Nagamatsu (John Curtin School of Medical Research, Australia)

254

2:45

(R1445D)

Reaction of N-Cyanoimidates with Some Heterocyclic Compounds, I. Lalezari and S. Nabahi (Albert Einstein College of Medicine, USA)

256

3:00-3:15

INTERMISSION

3:15

(R1515D)

General Method of the Synthesis of Oxazoles by the BF₃ Catalyzed Decomposition of Diazocarbonyl Compounds in Nitriles, T. Ibata and R. Sato (Osaka University, Japan)

257

3:30

(R1530D)

Synthesis of Sulphonyl- and Sulphonamide Derivatives of Naphth[1,2-d]oxazoles, A. A. Abdel-Wahab, M. A. Abbady, and S. R. El-Ezbawy (Assiut University, Egypt)

259