HETEROCYCLES Web Edition

120 data found. 1 - 120 listed

Biographical Data

Vol 47, Issue 1, 1998, pp.1-1,

1998-01-0001

Abstract

PDF (42KB)

Bibliography

Koji Nakanishi

Vol 47, Issue 1, 1998, pp.3-42,

1998-01-0003

Abstract

PDF (38KB)

Pre-cerebration of Koji Nakanishi’s 75th Birthday

Mamoru Ohashi

Vol 47, Issue 1, 1998, pp.43-44,

1998-01-0043

Abstract

PDF (71KB)

Preface

Shosuke Yamamura

Vol 47, Issue 1, 1998, pp.45-46,

1998-01-0045

Abstract

PDF (79KB)

A Tribute to the Contributions of Professor Koji Nakanishi in Heterocyclic Chemistry

Yoko Naya

Vol 47, Issue 1, 1998, pp.47-57,

1998-01-0047

Abstract

PDF (246KB)

Communication

A Stereoselective Synthesis of 4-O-Methyl- 13-desacetyl-12,13-di-O-benzylcarzinophilin

Masaru Hashimoto and Shiro Terashima*

Vol 47, Issue 1, 1998, pp.59-64,

COM-97-S(N)2

Abstract

PDF (211 KB)

Communication

Optical Resolution and Asymmetric Synthesis of Benzyl 3,5-Dimethyl-4-(2,2,2-trifluoro-1-hydroxyethyl)pyrrole-2-carboxylate

Masaaki Omote, Akira Ando, Toshiyuki Takagi, Mayumi Koyama, Itsumaro Kumadaki,* and Motoo Shiro

Vol 47, Issue 1, 1998, pp.65-68,

COM-97-S(N)3

Abstract

PDF (101 KB)

Communication

Absolute Configuration of (+)-PT-Toxin: Enantiodivergent Synthesis of (+)- and (-)-PT-Toxins

Takashi Kamikubo and Kunio Ogasawara*

Vol 47, Issue 1, 1998, pp.69-72,

COM-97-S(N)5

Abstract

PDF (124 KB)

Communication

A Synthesis of a C₁-C₇ Building Block for the Enantiomer of Hennoxazole A Utilizing a Regioselective Ring Opening of a Cyclic Acetal

Takayuki Shioiri,* Nigel McFarlane, and Yasumasa Hamada

Vol 47, Issue 1, 1998, pp.73-76,

COM-97-S(N)7

Abstract

PDF (116 KB)

Communication

Enantioselective Addition of Thiazolyllithium to Aldimines with the Aid of Chiral Ligand. Asymmetric Synthesis of (S)-Doe, a Component of Marine Natural Product, Dolastatin 10

Kiyoshi Tomioka,* Maki Satoh, Daisuke Taniyama, Motomu Kanai, and Akira Iida

Vol 47, Issue 1, 1998, pp.77-80,

COM-97-S(N)15

Abstract

PDF (123 KB)

Communication

Enantiocontrolled Synthesis of the Functionalized cis-Decalin

Miki Ozaki, Tomoki Omodani, Toshikazu Bando, and Kozo Shishido*

Vol 47, Issue 1, 1998, pp.81-84,

COM-97-S(N)20

Abstract

PDF (109 KB)

Communication

Synthesis of Pyrroline via Cyclization of 4-Isocyano-1-siloxy-1-alkene Induced by an Iminium Salt

Masahiro Murakami,* Naoki Hasegawa, Toshio Nagatomi, and Yoshihiko Ito

Vol 47, Issue 1, 1998, pp.85-86,

COM-97-S(N)26

Abstract

PDF (69 KB)

Communication

Hunterioside B, a Disaccharide Carrying Monoterpenoid Indole Alkaloid, from Hunteria zeylanica

Hiromitsu Takayama,* Sanan Subhadhirasakul, Osamu Ohmori, Mariko Kitajima, Dhavadee Ponglux, and Norio Aimi*

Vol 47, Issue 1, 1998, pp.87-90,

COM-97-S(N)28

Abstract

PDF (109 KB)

Communication

Synthetic Study of Neocarzinostatin Chromophore: Stereoselective Synthesis of N-Methylfucosamine and Its α-Glycoside

Toshio Kaneko, Kazunobu Takahashi, and Masahiro Hirama*

Vol 47, Issue 1, 1998, pp.91-96,

COM-97-S(N)29

Abstract

PDF (161 KB)

Communication

Di-functionalization of Alkenes Using an Oxidant Generated from Manganese(II) Chloride under Oxygen: Synthesis ofγ-Lactones

Makoto Hojo, Chikara Murakami, Kaori Ohno, Jun Kuboyama, Shin-ya Nakamura, Hajime Ito, and Akira Hosomi*

Vol 47, Issue 1, 1998, pp.97-100,

COM-97-S(N)30

Abstract

PDF (93 KB)

Communication

Synthesis of Diazathia 15- and 18-Crown Ethers and Their Transport Properties for Metal Cations

Kiyoshi Matsumoto,* Masahiro Nogami, Mitsuo Toda, Hideki Katsura, Naoto Hayashi, and Rui Tamura

Vol 47, Issue 1, 1998, pp.101-106,

COM-97-S(N)34

Abstract

PDF (148 KB)

Communication

Diastereoselective Indium-promoted Addition of Functionalized Allyl Bromides to N-Benzyl-2,3-azetidinedione under Aqueous Conditions

Leo A. Paquette* and Methvin B. Isaac

Vol 47, Issue 1, 1998, pp.107-110,

COM-97-S(N)36

Abstract

PDF (104 KB)

Communication

Novel Oxepane Formation by Reductive Cleavage of 1-Methoxymethyl-6,8- dioxabicyclo[3.2.1]octanes

Kenshu Fujiwara,* Akira Amano, Tetsuo Tokiwano, and Akio Murai*

Vol 47, Issue 1, 1998, pp.111-112,

COM-97-S(N)37

Abstract

PDF (65 KB)

Communication

Macrocycles Containing Five Pyrrole Subunits: The Iso-oxopentaphyrin System

Richard G. Khoury, Laurent Jaquinod, Liem T. Nguyen, and Kevin M. Smith*

Vol 47, Issue 1, 1998, pp.113-119,

COM-97-S(N)39

Abstract

PDF (168 KB)

Communication

A Facile Access to 3-Cephems by Employing Novel Lewis Acid Mediated Reaction

Tomiki Hashiyama,* Hiroaki Arakawa, and Mitsuyoshi Wagatsuma

Vol 47, Issue 1, 1998, pp.121-124,

COM-97-S(N)40

Abstract

PDF (97 KB)

Communication

Synthesis of 1,2-Dihydroisoquinolines by the Reaction of Isoquinoline with Allyltributyltin or Silyl Enol Ethers in the Presence of N-Acylating Agents

Takashi Itoh, Michiko Miyazaki, Kazuhiro Nagata, Hiroshi Hasegawa, Akio Ohsawa,* and Kazuo T. Nakamura

Vol 47, Issue 1, 1998, pp.125-128,

COM-97-S(N)44

Abstract

PDF (115 KB)

Communication

Stereoselective Hydrogenation of D-Glucose-derived endo-Olefins with a CF₃Group—Experimental and Theoretical Explanations—

Shuichi Hiraoka, Takashi Yamazaki,* and Tomoya Kitazume

Vol 47, Issue 1, 1998, pp.129-132,

COM-97-S(N)49

Abstract

PDF (128 KB)

Communication

Silica Gel-promoted Synthesis of 1,4-Oxa-thiane Derivatives from β,β'-Dichloro Sulfides

Satoshi Minakata, Masatoshi Mihara, Nozomu Sugoh, and Mitsuo Komatsu*

Vol 47, Issue 1, 1998, pp.133-137,

COM-97-S(N)50

Abstract

PDF (154 KB)

Communication

A Synthetic Approach towards the Identification of Periplaneta Sex Pheromones

Hajime Iwamoto, Takeo Harada, Takashi Takahashi,* and Shozo Takahashi

Vol 47, Issue 1, 1998, pp.139-142,

COM-97-7842

Abstract

PDF (125 KB)

Communication

A Convenient Synthesis of Fluorine-containing2,5-Epoxynaphth[1,2-b]azepines by Thermally Induced Cyclization of N-Allyl Substituted 2,4-Bis(trifluoroacetyl)-1-naphthylamines

Etsuji Okada,* Takeshi Tomifuji, Hiroshi Tone, Hiroshi Takeuchi, and Masaru Hojo

Vol 47, Issue 1, 1998, pp.143-148,

COM-97-S(N)55

Abstract

PDF (161 KB)

Communication

Preparation and X-Ray Crystal Structure of a Unique 2:1-Complex of Mercury(II) Chloride and 5-Oxa-2,8-dithiabicyclo[7.4.1]-tetradeca-9,11,13-trien-14-one, a Troponoid Dithio-Crown Ether

Akira Mori,* Kanji Kubo, Nobuo Kato, Hitoshi Takeshita, Masaaki Shiono, and Norio Achiwa

Vol 47, Issue 1, 1998, pp.149-152,

COM-97-S(N)56

Abstract

PDF (113 KB)

Communication

Asymmetric Synthesis of (R)(-)-Dimethyl Citramalate

Sang-sup Jew,* Hyun-ah Kim, Sam-mi Song, Jung-sook Jang, and Hyeung-geun Park

Vol 47, Issue 1, 1998, pp.153-156,

COM-97-S(N)57

Abstract

PDF (92 KB)

Communication

Total Syntheses of (-)-Polyoxin J and (-)-Polyoxin L

Hiroyuki Akita,* Kimio Uchida, and Keisuke Kato

Vol 47, Issue 1, 1998, pp.157-161,

COM-97-S(N)59

Abstract

PDF (160 KB)

Communication

Synthetic Study of Ustiloxin Analogs: Benzylic Oxidation of 13-Membered Cyclic Peptide by Lead Tetraacetate

Masato Takahashi, Ryuichi Shirai, Yukiko Koiso, and Shigeo Iwasaki*

Vol 47, Issue 1, 1998, pp.163-166,

COM-97-S(N)68

Abstract

PDF (106 KB)

Communication

A Novel Approach to Functionalized Polycyclic Systems; Synthesis of Tetracyclic Compounds by Sequential Rearrangement-Cycloaddition Reactions of 7-Oxa-2,3-dimethylenenorbornene Derivative

Katsuhiro Konno, Hirokazu Tanigawa, and Hiroaki Takayama*

Vol 47, Issue 1, 1998, pp.167-170,

COM-97-S(N)72

Abstract

PDF (98 KB)

Communication

Total Synthesis of NPTX-643, a Neurotoxin of the Madagascar Spider (Nephilengys borbonica ) Having a Novel Acylpolyamine Structure

Masaaki Miyashita,* Takanori Kanemura, Masayuki Matsushita, Susumi Hatakeyama, Yasuhiro Itagaki, Terumi Nakajima, Masahiro Miyazawa, and Hiroshi Irie

Vol 47, Issue 1, 1998, pp.171-175,

COM-97-S(N)73

Abstract

PDF (147 KB)

Communication

Mitsunobu Type C-N Bond Formation with 4,7-Dimethyl-3,5,7-hexahydro-1,2,4,7-tetrazocin-3,8-dione(DHTD), a New Cyclic Azodicarboxamide

Tetsuto Tsunoda,* Yumi Kawamura, Kaori Uemoto, and Shô Itô*

Vol 47, Issue 1, 1998, pp.177-179,

COM-97-S(N)78

Abstract

PDF (72 KB)

Paper

5-endo-trig Radical Cyclization of 2-Chloro- and 2,2-Bis(phenylthio)-N-methyl- N-(6-phenylcyclohex-1-en-1-yl)-acetamides

Masazumi Ikeda,* Shinji Ohtani, Michiyo Okada, Emi Minakuchi, Tatsunori Sato, and Hiroyuki Ishibashi

Vol 47, Issue 1, 1998, pp.181-186,

COM-96-7629

Abstract

PDF (183 KB)

Paper

Base-catalyzed Rearrangement of α-Benzotriazolyl Alkoxide Anions: Synthesis of One-Carbon Homologatedα-Substituted Alkyl Ketones

Alan R. Katritzky,* Zhongxing Zhang, Hengyuan Lang, and Linghong Xie

Vol 47, Issue 1, 1998, pp.187-194,

COM-96-S(N)1

Abstract

PDF (250 KB)

Paper

Isomerization of Dimeric 2,9-Disubstituted1-Oxaquinolizidine Alkaloids and Structural Revision of Araguspongines B and E, Isolated from a Marine Sponge of Xestospongia Sp.

Motomasa Kobayashi,* Yasuhisa Miyamoto, Shunji Aoki, Nobutoshi Murakami, Isao Kitagawa, Yasuko In, and Toshimasa Ishida

Vol 47, Issue 1, 1998, pp.195-203,

COM-97-S(N)4

Abstract

PDF (281 KB)

Paper

Synthesis of Vinca Alkaloids and Related Compounds, Part LXXXIX. Some Unexpected Reactions of Compounds Containing the D-Seco-aspidospermane Ring System

György Kalaus, Imre Juhász, Kinga Steinhauser, István Greiner, Mária Kajtár-Peredy, János Brlik, Lajos Szabó, and Csaba Szántay*

Vol 47, Issue 1, 1998, pp.205-219,

COM-97-S(N)6

Abstract

PDF (564 KB)

Paper

Synthesis and Chemical Reactions of New Phosphono-phosphino Substituted γ-Thiapyrones

Richard Neidlein,* Dirk Uwe Hahn, Walter Kramer, and Claus Krieger

Vol 47, Issue 1, 1998, pp.221-262,

COM-97-S(N)9

Abstract

PDF (952 KB)

Paper

An Applied Stereocontrolled Synthesis of Piperidine Derivative Utilizing Diastereo- selective Reaction of Chiral 1,3-Oxazolidine with Grignard Reagent; Asymmetric Synthesis of an Alkaloid, (-)-Sedamine

Hadi Poerwono, Kimio Higashiyama,* and Hiroshi Takahashi

Vol 47, Issue 1, 1998, pp.263-270,

COM-97-S(N)10

Abstract

PDF (287 KB)

Paper

Synthesis of Isomeric Cage-functionalized Diacylfuroxans and Their Subsequent Thermolytic Fission to an Acyl Nitrile Oxide

Alan P. Marchand,* G. V. M. Sharma, Rajesh Shukla, and Simon G. Bott

Vol 47, Issue 1, 1998, pp.271-276,

COM-97-S(N)11

Abstract

PDF (212 KB)

Paper

A Short Synthesis of (±)-Ricciocarpin A Using Intramolecular Reductive Michael Reaction

Kei Takeda,* Naoki Ohkawa, Kozo Hori, Toru Koizumi,and Eiichi Yoshii

Vol 47, Issue 1, 1998, pp.277-282,

COM-97-S(N)13

Abstract

PDF (210 KB)

Paper

Synthesis of Polycyclic 1,2-Dioxanes from Endoperoxides

Charles W. Jefford,* Harald Eschenhof, and Gérald Bernardinelli

Vol 47, Issue 1, 1998, pp.283-288,

COM-97-S(N)14

Abstract

PDF (182 KB)

Paper

Synthesis of the 3-O-Retinoyl-L-ascorbic Acid and Related Compounds: Characterization and Reducing Activity against DPPH

Yumiko Yamano and Masayoshi Ito*

Vol 47, Issue 1, 1998, pp.289-299,

COM-97-S(N)16

Abstract

PDF (365 KB)

Paper

A Multinuclear NMR Study (¹H, ¹³C, ¹⁵N) of 1-Monosubstituted Pyrazoles

Rosa María Claramunt,* Dionisia Sanz, María Dolores Santa María, José Antonio Jiménez, María Luisa Jimeno, and José Elguero*

Vol 47, Issue 1, 1998, pp.301-314,

COM-97-S(N)17

Abstract

PDF (415 KB)

Paper

A New Approach to Fused 1,2-Diazepines by Cyclization of Enhydrazines with α- and β-Keto Esters

Tetsuo Yamasaki,* Kaoru Nishida, Yoshinari Okamoto,Tadashi Okawara, and Mitsuru Furukawa

Vol 47, Issue 1, 1998, pp.315-327,

COM-97-S(N)19

Abstract

PDF (334 KB)

Paper

Consolarine, a Novel Norditerpenoid Alkaloid from Consolida armeniaca

Ali H. Meriçli, Filiz Meriçli, Ayhan Ulubelen, Haridutt K. Desai, Balawant S. Joshi, S. William Pelletier,* Seçkin Özden, and Mustafa Küçükislamoglu

Vol 47, Issue 1, 1998, pp.329-335,

COM-97-S(N)22

Abstract

PDF (180 KB)

Paper

Stereoselective Synthesis of 2-epi-Pena-residin A and Its (15R,16R)-Stereoisomer

Guo-qiang Lin* and Ding-guo Liu

Vol 47, Issue 1, 1998, pp.337-348,

COM-97-S(N)24

Abstract

PDF (358 KB)

Paper

Efficient Synthesis of Specifically Deuterated Nucleosides: Preparation of 4'-Deuteriothymidine

Michael E. Jung* and Yue Xu

Vol 47, Issue 1, 1998, pp.349-356,

COM-97-S(N)27

Abstract

PDF (234 KB)

Paper

Stereocontrolled Aldol Reaction of N-Acylpyrazoles with Aldehydes Using LDA or MgBr₂-DIEA

Choji Kashima,* Iwao Fukuchi, Katsumi Takahashi, Kiyoshi Fukusaka, and Akira Hosomi

Vol 47, Issue 1, 1998, pp.357-365,

COM-97-S(N)31

Abstract

PDF (325 KB)

Paper

Synthesis of 4-(2-Aminoethyl)indoles through Claisen ortho-Amide Rearrangement of3-Hydroxy-2-methoxyindolines

Tomomi Kawasaki, Hiroaki Ohtsuka, Ado Mihira, and Masanori Sakamoto*

Vol 47, Issue 1, 1998, pp.367-373,

COM-97-S(N)32

Abstract

PDF (201 KB)

Paper

Chemoselectivity in the Intramolecular Aza-Wittig Reaction of N-[2-(Trisubstituted Phosphoranylidene)aminobenzoyl]-2-pyrrolidone-5-carboxylic Acid Derivatives

Tomohiro Okawa, Toshiyuki Sugimori, Shoji Eguchi,* and Akikazu Kakehi

Vol 47, Issue 1, 1998, pp.375-382,

COM-97-S(N)41

Abstract

PDF (244 KB)

Paper

Methylation of 5-Isonitroso-1,3-dioxine- 4,6-diones with Diazomethane and Some Reactions of Its Products

Nobuya Katagiri,* Yoshihiro Morishita, and Chikara Kaneko

Vol 47, Issue 1, 1998, pp.383-390,

COM-97-S(N)42

Abstract

PDF (239 KB)

Paper

Conformational Analysis of Thiosegetalins by Distance Geometry Calculation

Hiroshi Morita, Young Sook Yun, Koichi Takeya, and Hideji Itokawa*

Vol 47, Issue 1, 1998, pp.391-396,

COM-97-S(N)46

Abstract

PDF (192 KB)

Paper

Medicinal Foodstuffs. VIII. Fenugreek Seed.(2) : Structures of Six New Furostanol Saponins, Trigoneosides IVa, Va, Vb, VI, VIIb, and VIIIb, from the Seeds of Indian Trigonella foenum-graecum L.

Masayuki Yoshikawa,* Toshiyuki Murakami, Hajime Komatsu, Johji Yamahara, and Hisashi Matsuda

Vol 47, Issue 1, 1998, pp.397-405,

COM-97-S(N)52

Abstract

PDF (308 KB)

Paper

Several Approaches to Cyanide Ion-catalyzed Synthesis of 4-Aroyl-1-phenyl-1H-pyrazolo-[3,4-d]pyrimidines

Akira Miyashita,* Yumiko Suzuki, Kiyono Ohta, Ken-ichi Iwamoto, and Takeo Higashino

Vol 47, Issue 1, 1998, pp.407-414,

COM-97-S(N)53

Abstract

PDF (226 KB)

Paper

Total Synthesis of Constanolactone E, a Marine Eicosanoid from the Alga Constantinea simplex; Absolute Structure of Constanolactone E

Hiroaki Miyaoka, Tatsuya Shigemoto, and Yasuji Yamada*

Vol 47, Issue 1, 1998, pp.415-428,

COM-97-S(N)58

Abstract

PDF (535 KB)

Paper

Acid-catalyzed Photoreaction of 6-Chloro-1,3-dimethyluracil in Frozen Benzene: Formation of Photocycloadducts and Their Isomerization through Photo-Diels-Alder Reaction

Kazue Ohkura, Yukari Noguchi, and Koh-ichi Seki*

Vol 47, Issue 1, 1998, pp.429-437,

COM-97-S(N)66

Abstract

PDF (294 KB)

Paper

Asymmetric Synthesis of Thietanose

Jun'ichi Uenishi,* Mitsuhiro Motoyama, Yumi Kimura, and Osamu Yonemitsu

Vol 47, Issue 1, 1998, pp.439-451,

COM-97-S(N)67

Abstract

PDF (425 KB)

Paper

Reactions of O,O'-Disubstituted Benzonitrile Oxides with 8-Azaheptafulvenes

Mauro Freccero, Remo Gandolfi,* and Mirko Sarzi Amade'

Vol 47, Issue 1, 1998, pp.453-468,

COM-97-S(N)76

Abstract

PDF (548 KB)

Paper

A Novel Method for Michael Addition and Epoxidation of Chalcones in a Water Suspension Medium: A Completely Organic Solvent-Free Synthetic Procedure

Fumio Toda,* Hideaki Takumi, Masuhiro Nagami, and Kenya Tanaka

Vol 47, Issue 1, 1998, pp.469-479,

COM-97-S(N)77

Abstract

PDF (256 KB)

Paper

Alternative Access to 20-Hydroxyecdysteroid Side Chain by Means of Samarium Iodide-promoted Radical Addition of Tetrahydrofuran to a 20-Keto Steroid

Toshio Honda* and Miho Katoh

Vol 47, Issue 1, 1998, pp.481-490,

COM-97-S(N)83

Abstract

PDF (255 KB)

Note

Isolation and Structure of Dolastatin 17

George R. Pettit,* Jun-Ping Xu, Fiona Hogan, and Ronald L. Cerny

Vol 47, Issue 1, 1998, pp.491-496,

COM-97-S(N)8

Abstract

PDF (125 KB)

Note

In vitro Oxidation of Indoleacetic Acid by Crude Enzyme from Rice Husk—An Aspect of Preharvest Sprouting

Tadahiro Kato,* Norihiro Tomita, Masahiro Hoshikawa, Kazuhiro Ehara, Jyunko Shima, Norindo Takahashi, and Hiroshi Sugiyama

Vol 47, Issue 1, 1998, pp.497-500,

COM-97-S(N)12

Abstract

PDF (152 KB)

Note

Total Synthesis of (±)-Narlumicine, a Secophthalideisoquinoline Alkaloid

Maria Chrzanowska and Maria D. Rozwadowska*

Vol 47, Issue 1, 1998, pp.501-504,

COM-97-S(N)18

Abstract

PDF (116 KB)

Note

Polyhetero[3,3]-sigmatropic Rearrangement of O(S)-Methyl-S(O)allyl-N-(9-acridinyl)-iminothiocarbonates

Pavol Kristian,* Slávka Hocová, Juraj Bernát, Tatiana Busová, and Igor Chomca

Vol 47, Issue 1, 1998, pp.505-508,

COM-97-S(N)25

Abstract

PDF (138 KB)

Note

Simple One Step Syntheses of Indole-3-acetonitriles from Indole-3-carboxaldehydes

Fumio Yamada, Tomoko Hashizume, and Masanori Somei*

Vol 47, Issue 1, 1998, pp.509-516,

COM-97-S(N)38

Abstract

PDF (251 KB)

Note

An Efficient Synthesis of 3-Phosphorylated 4(1H)-Pyridones and 4-Chloropyridines fromβ-Enaminophosphonates

Francisco Palacios,* Ana M^a Ochoa de Retana, and Julen Oyarzabal

Vol 47, Issue 1, 1998, pp.517-524,

COM-97-S(N)70

Abstract

PDF (265 KB)

Review

Racemic and Chiral Syntheses of Some Indolo[2,3-a]quinolizidine Alkaloids through a "Lactim Ether Route"

Tozo Fujii* and Masashi Ohba

Vol 47, Issue 1, 1998, pp.525-539,

REV-96-SR(N)1

Abstract

PDF (419 KB)

Review

Intramolecular Reactions of Nitrilimines as a Fruitful Source of Heterocycles

Gianluigi Broggini, Giorgio Molteni, and Gaetano Zecchi*

Vol 47, Issue 1, 1998, pp.541-557,

REV-97-SR(N)2

Abstract

PDF (314 KB)

Review

Infrared Carbonyl Frequencies of Heterocyclic Lactones

J. Hodge Markgraf

Vol 47, Issue 1, 1998, pp.559-624,

REV-97-SR(N)3

Abstract

PDF (908 KB)

Review

Biotinyl Diazirine Photophore: An Approach to High-resolution Photoaffinity Labeling for Probing Receptor-Ligand Interface

Yasumaru Hatanaka* and Yuichi Kanaoka

Vol 47, Issue 1, 1998, pp.625-632,

REV-97-SR(N)4

Abstract

PDF (252 KB)

Communication

Formation of Selenetanes from 2-(3-Hydroxyalkylseleno)-benzoxazoles

Kazunori Takemura, Kunihiko Sakano, Ayuko Takahashi, Toshimi Sakamaki, and Oyo Mitsunobu*

Vol 47, Issue 2, 1998, pp.633-637,

COM-97-S(N)45

Abstract

PDF (142 KB)

Communication

Tetracyclic Isoquinolones and Quinazolones via Aryl Radical Cyclizations

Bimal K. Banik, Vegesna S. Raju, Maghar S. Manhas, and Ajay K. Bose*

Vol 47, Issue 2, 1998, pp.639-642,

COM-97-S(N)48

Abstract

PDF (111 KB)

Communication

An Antimalarially Active Cyclic Peroxy Ketal

Gary H. Posner* and Hardwin O'Dowd

Vol 47, Issue 2, 1998, pp.643-646,

COM-97-S(N)61

Abstract

PDF (92 KB)

Communication

Oxidation of Marchantin A Trimethyl Ether and Related Aromatic Compounds with m-Chloroperbenzoic Acid

Motoo Tori,* Masakazu Sono, Masao Toyota, and Yoshinori Asakawa*

Vol 47, Issue 2, 1998, pp.647-650,

COM-97-S(N)81

Abstract

PDF (114 KB)

Communication

Synthesis of Medium-Size Lactones from Alkyne Using Chromium Carbene Complex

Miwako Mori,* Takashi Norizuki, and Taro Ishibashi

Vol 47, Issue 2, 1998, pp.651-654,

COM-97-S(N)82

Abstract

PDF (89 KB)

Communication

A Facile Aldol-Isomerization Route to 3-Alkyldihydropyridinone with a Chiral Azocine Ring

Yasuhiro Torisawa, Than Soe, Chiaki Katoh, Yumiko Motohashi, Atsushi Nishida, Tohru Hino, and Masako Nakagawa*

Vol 47, Issue 2, 1998, pp.655-659,

COM-97-S(N)88

Abstract

PDF (167 KB)

Communication

Tautomerism of Clitidine, a Pyridine Nucleoside from the Poisonous Mushroom Clitocybe acromelalga

Haruhisa Shirahama,* Hiroyuki Koshino, Jun Uzawa, Kimiaki Yamano, Katsuhiro Konno, and Kazumi Nakatsu

Vol 47, Issue 2, 1998, pp.661-664,

COM-97-S(N)90

Abstract

PDF (124 KB)

Communication

Reaction of Maleimides with New Silyloxydienes, 2-Amino- 4-(trimethylsilyloxy)-1,3-pentadienes

Otohiko Tsuge,* Taizo Hatta, Yamato Takahashi, Hironori Maeda, and Akikazu Kakehi

Vol 47, Issue 2, 1998, pp.665-670,

COM-97-S(N)96

Abstract

PDF (153 KB)

Communication

A New Synthetic Approach to a Fungal β-Lactone Based on the Asymmetric [2,3]-Wittig Rearrangement

Katsuhiko Tomooka, Takahiro Takeda, Au Wing Kuen, and Takeshi Nakai*

Vol 47, Issue 2, 1998, pp.671-674,

COM-97-S(N)102

Abstract

PDF (111 KB)

Communication

A Practical Synthesis of the Key Intermediate for Theopederins—An Enantioselective Total Synthesis of (+)-Methyl Pederate

Masahiro Toyota,* Youichi Nishikawa, and Keiichiro Fukumoto

Vol 47, Issue 2, 1998, pp.675-678,

COM-97-S(N)104

Abstract

PDF (118 KB)

Communication

anti-Selective Epoxidation of Primary 5-(tert-Butyldimethylsilyl)oxyallylic Alcohols with m-Chloroperoxybenzoic Acid

Kåre B. Jørgensen, Hiroyuki Koshino, and Tadashi Nakata*

Vol 47, Issue 2, 1998, pp.679-683,

COM-97-S(N)105

Abstract

PDF (135 KB)

Communication

Synthesis and Structure of Glycosylidene Acetals of Galactoside

Hiro Ohtake, Takamasa Iimori, Moto Shiro, and Shiro Ikegami*

Vol 47, Issue 2, 1998, pp.685-688,

COM-97-S(N)106

Abstract

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Paper

The Preparation of Heterocyclic Appended Vinylogous Iminium Salts and Their Application to the Regioselective Preparation of Biheterocyclic Systems

John T. Gupton,* Scott A. Petrich, Fred A. Hicks, Doug R. Wilkinson, Marian Vargas, Kirsten N. Hosein, and James A. Sikorski*

Vol 47, Issue 2, 1998, pp.689-702,

COM-97-S(N)21

Abstract

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Paper

Synthesis of N-Substituted 3-Oxo-17β- carboxamide-4-aza-5α-androstanes and the Tautomerism of 3-Oxo-4-aza-5-androstenes

Peng Xia,* Zheng-yu Yang, Yi Xia, Hao-bing Zhang, Ke-hua Zhang, Xun Sun, Ying Chen, and Yun-qing Zheng

Vol 47, Issue 2, 1998, pp.703-716,

COM-97-S(N)35

Abstract

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Paper

Photolysis of ¹³C-Methylcobalamin. Direct Detection of Generated Formaldehyde by Using ¹³C-Labeling

Kazuhiko Takatori, Yoshifumi Nakajima, Miyako Hirose, and Masahiro Kajiwara*

Vol 47, Issue 2, 1998, pp.717-724,

COM-97-S(N)43

Abstract

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Paper

Enantioselective Access to Five- and Six-membered Nitrogen-containing Heterocycles, Based on the Asymmetric Michael Addition of Chiral Imines and Chiral Enamino Esters

Jean d'Angelo,* Christian Cavé, Didier Desmaële, Abdoulaye Gassama, Cyrille Thominiaux, and Claude Riche

Vol 47, Issue 2, 1998, pp.725-746,

COM-97-S(N)47

Abstract

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Paper

A Novel Route to Chiral Non Racemic 2-Substituted 1,2,3,4-Tetrahydroquinolines

Marie-Christine Lallemand, Mathieu Gaillard, Nicole Kunesch,* and Henri-Philippe Husson*

Vol 47, Issue 2, 1998, pp.747-755,

COM-97-S(N)60

Abstract

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Paper

Carbocyclic 7-Deazaguanine Oxetanocin Analogues

Jayu Wu, Stewart W. Schneller,* Katherine L. Seley, and Erik De Clercq

Vol 47, Issue 2, 1998, pp.757-763,

COM-97-S(N)63

Abstract

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Paper

Radical Reaction Initiated and Stereocontrolled by Zinc Chloride

Yoshinori Yamamoto,* Setsuko Onuki, Masatoshi Yumoto, and Naoki Asao

Vol 47, Issue 2, 1998, pp.765-780,

COM-97-S(N)71

Abstract

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Paper

1,3-Dipolar Cycloadditions with 1-Alkoxy-substituted Nitrile Ylides

Nina Bojkova and Heinz Heimgartner*

Vol 47, Issue 2, 1998, pp.781-792,

COM-97-S(N)74

Abstract

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Paper

X-Ray Crystallographic Analysis of 2,5-Bis(diphenylmethylsilyl)thiophene Monooxide and the Diels-Alder Reaction of Thiophene Monooxide with Dienophiles

Naomichi Furukawa,* Shao-Zhong Zhang, Ernst Horn, Ohgi Takahashi, Soichi Sato, Masataka Yokoyama, and Kentaro Yamaguchi

Vol 47, Issue 2, 1998, pp.793-809,

COM-97-S(N)80

Abstract

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Paper

ortho-Directed Lithiation Studies of 4-Chloropicolinanilide : Introduction of Functional Groups at C-3 and Their Elaboration to Chain Extended Derivatives via Carbon-Carbon Bond Formation

Marcus V. Nora de Souza and Robert H. Dodd*

Vol 47, Issue 2, 1998, pp.811-827,

COM-97-S(N)84

Abstract

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Paper

Thermal and Chemiluminescent Property of Dioxetanes Having an N-Arylacridane Structure

Takeshi Imanishi,* Yohko Ueda, Ryoh Tainaka, Naoto Kuni, Masatoshi Minagawa, Nobuhiro Hoshino, and Kazuyuki Miyashita

Vol 47, Issue 2, 1998, pp.829-838,

COM-97-S(N)85

Abstract

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Paper

Synthesis of (+)- and (-)-Ethosuximides Utilizing Asymmetric Nitroolefination

Kiyoharu Nishide, Takahiro Katoh, Hitoshi Imazato, and Manabu Node*

Vol 47, Issue 2, 1998, pp.839-845,

COM-97-S(N)86

Abstract

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Paper

Synthesis and Photoswitchable Complexation/Extraction Properties of Lipophilic Azabis(benzo-15-crown-5) Ionophores for Alkali Metal Cations

Kazunori Odashima,* Koji Tohda, Shinji Yoshiyagawa, Shinichiro Yamashita, Masamitsu Kataoka, and Yoshio Umezawa*

Vol 47, Issue 2, 1998, pp.847-856,

COM-97-S(N)87

Abstract

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Paper

A Facile One-Pot Synthesis of 4-Alkoxy-1,3-benzenedicarbonitrile

Masaichi Hasegawa

Vol 47, Issue 2, 1998, pp.857-864,

COM-97-S(N)89

Abstract

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Paper

Photooxidative Decarboxylation of Proline, a Novel Oxidative Stress to Natural Amines

Katsuya Endo,* Kaoru Hirayama, Yuko Aota, Kazuhiko Seya, Hirotatsu Asakura, and Kanehiko Hisamichi

Vol 47, Issue 2, 1998, pp.865-870,

COM-97-S(N)93

Abstract

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Paper

Convenient Synthesis of Pyrido[4,3-d]-pyrimidine-2,4(1H,3H)-diones

Kosaku Hirota,* Yukio Nakazawa, Yukio Kitade, and Hironao Sajiki

Vol 47, Issue 2, 1998, pp.871-882,

COM-97-S(N)97

Abstract

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Paper

Lepiotins A and B, New Alkaloids from the Mushrooms, Macrolepiota neomastoidea and Chlorophyllum molybdites

Tomihisa Ohta,* Hiroyuki Inoue, Genjiro Kusano, and Yoshiteru Oshima

Vol 47, Issue 2, 1998, pp.883-891,

COM-97-S(N)98

Abstract

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Paper

On the Chlorine Addition to the C(5)-C(6) Bridge and the N-Oxidation of 1,10-Phenanthroline

Róza Antkowiak and Wieslaw Z. Antkowiak*

Vol 47, Issue 2, 1998, pp.893-909,

COM-97-S(N)99

Abstract

PDF (527 KB)

Paper

Lead Tetraacetate Oxidation of (±)-N-Acylnoraporphines: Facile Synthesis of 4α-Hydroxynoraporphines and 4α-Hydroxyaporphines

Hiromichi Ogasawara, Masaji Suzuki, Tomohiro Shiohara, and Osamu Hoshino*

Vol 47, Issue 2, 1998, pp.911-919,

COM-97-S(N)100

Abstract

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Paper

Studies on Synthesis of Araplysillins via Oxidative Cyclisation of o-Phenolic Oxime-Acid Derivatives Using Phenyliodonium Diacetate

Masatoshi Murakata, Kohei Yamada, and Osamu Hoshino*

Vol 47, Issue 2, 1998, pp.921-931,

COM-97-S(N)101

Abstract

PDF (288 KB)

Paper

[2+2] Versus [4+2] Cycloaddition Reactions of 1,3-Diaza-1,3-butadienes with Various Mono- and Disubstituted Ketenes and supporting Mechanistic Considerations

Sucharita Mukherjee, Sujit N. Mazumdar, Arun K. Sharma, and Mohinder P. Mahajan*

Vol 47, Issue 2, 1998, pp.933-950,

COM-97-S(N)103

Abstract

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Paper

Enantioselective Creation of Quaternary Carbon Centers through Addition- Elimination Reaction: Asymmetric Nitroolefination of 3-Substituted 2-Oxindoles

Kaoru Fuji,* Takeo Kawabata, Toshiumi Ohmori, Muhong Shang, and Manabu Node

Vol 47, Issue 2, 1998, pp.951-964,

COM-97-S(N)107

Abstract

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Paper

MCR 6: Chiral 2,6-Piperazinediones via Ugi Reactions with α-Amino Acids, Carbonyl Compounds, Isocyanides and Alcohols

Ivar Ugi,* Werner Hörl, Cordelia Hanusch-Kompa, Thomas Schmid, and Eberhardt Herdtweck

Vol 47, Issue 2, 1998, pp.965-975,

COM-97-S(N)108

Abstract

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Note

Ring Opening S_N2’ Reactions of 1,4,5,8-Diepoxy-1,4,5,8-tetrahydroanthracenes by Organolithium Reagents

Odón Arjona,* Marisa León, and Joaquín Plumet*

Vol 47, Issue 2, 1998, pp.977-984,

COM-97-S(N)23

Abstract

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Note

Dioncophyllinol D, the First 4-Hydroxylated Naphthylisoquinoline Alkaloid, from the Leaves of Triphyophyllum peltatum

Gerhard Bringmann,* Matthias Wenzel, Markus Rückert, Kristina Wolf, Stefan Busemann, Manuela Schäffer, and Laurent Aké Assi

Vol 47, Issue 2, 1998, pp.985-990,

COM-97-S(N)62

Abstract

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Note

Some Applications of the Regioselective Lithiation of α-Carbolines

Cyril Papamicaël, Georges Dupas,* Guy Quéguiner, and Jean Bourguignon

Vol 47, Issue 2, 1998, pp.991-1004,

COM-97-S(N)64

Abstract

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Note

New Steroidal Lactones from Withania coagulance

Atta-ur-Rahman,* Muhammad Shabbir, Dur-e-Shahwar, M. Iqbal Choudhary,* Wolfgang Voelter, and Dirk Hohnholz

Vol 47, Issue 2, 1998, pp.1005-1012,

COM-97-S(N)69

Abstract

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Note

Oxime Ethers as Structure Analogs of Clavulanic Acid

Hans Rudolf Pfaendler* and Helmut Meffert

Vol 47, Issue 2, 1998, pp.1013-1015,

COM-97-S(N)75

Abstract

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Note

Alkyl 2-[2,2-Disubstituted Ethenyl]amino-3-dimethylaminopropenoates in the Synthesis of Heterocyclic System. An Alternative Method for Preparation of 3-Amino-4H-pyrido[1,2-a]pyrimidin-4-ones

Lovro Selic, Sonja Strah, Renata Toplak, and Branko Stanovnik*

Vol 47, Issue 2, 1998, pp.1017-1022,

COM-97-S(N)79

Abstract

PDF (145 KB)

Note

Louludinium Chloride, an Azabicyclononane Alkaloid from the Marine Cyanophyte Lyngbya gracilis

Wesley Y. Yoshida and Paul J. Scheuer*

Vol 47, Issue 2, 1998, pp.1023-1027,

COM-97-S(N)91

Abstract

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Note

A New and Efficient Synthesis of the μ Opioid Receptor Antagonists 14-O-Methyl-and 14-O-Ethylnaloxone and -naltrexone

Roland Krassnig, Martin Koch, Herwig K. Jennewein, Elisabeth Greiner, and Helmut Schmidhammer*

Vol 47, Issue 2, 1998, pp.1029-1032,

COM-97-S(N)92

Abstract

PDF (99 KB)

Note

Iron Chelators of the Class of Pyridoxal Acylhydrazone. Part 5. Crystal Structure and Patterns of Hydrogen Bonding in Pyridoxal Isonicotinoyl Hydrazone (PIH)

Shalom Sarel,* Shmuel Cohen, and Shelly Avramovici-Grisaru

Vol 47, Issue 2, 1998, pp.1033-1042,

COM-97-S(N)94

Abstract

PDF (269 KB)