Volume 59; Issue 1

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Heterocycles
Volume 59; Issue 1

Heterocycles

Volume 59; Issue 1

1

Asymmetric Intramolecular Aza-Michael Reaction Using Enviromentally Friendly Organocatalysis

Ihara, Masataka, Takasu, Kiyosei, Maiti, Soumen

Journal:

Year:

2003

Language:

english

File:

PDF, 55 KB

english, 2003

2

Catalytic Enantioselective Synthesis of (20S)-Camptothecin Intermediates Using Cyanosilylation of Ketones Promoted by D-Glucose-derived Lanthanide Catalyst

Shibasaki, Masakatsu, Yabu, Kazuo, Masumoto, Shuji, Kanai, Motomu, Du, Wu, P. Curran, Dennis

Journal:

Year:

2003

Language:

english

File:

PDF, 126 KB

english, 2003

3

Hexafluoroacetone as Protection and Activation Reagent in Amino Acid and Peptide Chemistry. Regiospecific a-Functionalization of Aspartic Acid

Burger, Klaus, Lange, Torsten, Rudolph, Martin

Journal:

Year:

2003

Language:

english

File:

PDF, 92 KB

english, 2003

4

Intramolecular Photoreaction of Thio-barbiturates with an Alkenyl or a Benzyl Group in Their N-Alkyl Side Chain. Regio-selective Synthesis of Ring-fused Pyrimidine Derivatives through Photocyclization of Mono- and Dithiobarbiturates

Takechi, Haruko, Takahashi, Hajime, Mahara, Reijiro, Machida, Minoru

Journal:

Year:

2003

Language:

english

File:

PDF, 341 KB

english, 2003

5

Convenient Synthesis of a Simple Coumarin from Salicylaldehyde and Wittig Reagent. IV: Improved Synthetic Method of Substituted Coumarins

Takeuchi, Yasuo, Ueda, Norihiro, Uesugi, Koji, Abe, Hitoshi, Nishioka, Hiromi, Harayama, Takashi

Journal:

Year:

2003

Language:

english

File:

PDF, 60 KB

english, 2003

6

A Facile Synthesis of Benzofuran Derivatives: A Useful Synthon for Preparation of Trypsin Inhibitor

Tanizawa, Kazutaka, Sekizaki, Haruo, Itoh, Kunihiko, Toyota, Eiko

Journal:

Year:

2003

Language:

english

File:

PDF, 107 KB

english, 2003

7

Concise Synthesis of Fagaridine and Decarine, Phenolic Benzo[c]-phenanthridine Alkaloids, Using the Palladium-assisted Biaryl Coupling Reaction

Harayama, Takashi, Sato, Tomonori, Nakano, Yuichiro, Abe, Hitoshi, Takeuchi, Yasuo

Journal:

Year:

2003

Language:

english

File:

PDF, 109 KB

english, 2003

8

Synthesis of Spiro-fused Nitrogen Heterocyclic Compounds via N-Methoxy-N-acylnitrenium Ions Using Phenyliodine(III) Bis(trifluoroacetate) in Trifluoroethanol

Kikugawa, Yasuo, Miyazawa, Etsuko, Sakamoto, Takeshi

Journal:

Year:

2003

Language:

english

File:

PDF, 172 KB

english, 2003

9

Reactions of Methyl 3-Bromoacetyl-azulene-1-carboxylate with 2-Amino-pyridines and Related Compounds. Synthesis of Azulenes Bearing Imidazole-fused Nitrogen-Heterocycles

Imafuku, Kimiaki, Miyashita, Yumiko, Kikuchi, Shigeru

Journal:

Year:

2003

Language:

english

File:

PDF, 101 KB

english, 2003

10

Synthesis of 2-Dimethylaminobenzazoles via a Guanidine Intermediate: Reaction of 2-Substituted Aniline Derivatives with 2-Chloro-1,1,3,3-tetramethylform-amidinium Chloride

Ohno, Kosei, Ishida (nee Kusakari), Wakako, Kamata, Kazuyuki, Oda, Kazuaki, Machida, Minoru

Journal:

Year:

2003

Language:

english

File:

PDF, 51 KB

english, 2003

11

A General Route to Bridged Azabicyclic Compounds Using Radical Translocation/Cyclization Reactions

Ikeda, Masazumi, Sato, Tatsunori

Journal:

Year:

2003

Language:

english

File:

PDF, 211 KB

english, 2003

12

A Direct Conversion of 5,6,7,8-Tetrahydro-2H-1-benzopyran-2,5-diones into Substituted 1-Amino-5,6,7,8-tetrahydroquinoline-2,5-diones

Kočevar, Marijan, Trebse, Polonca, Polanc, Slovenko

Journal:

Year:

2003

Language:

english

File:

PDF, 155 KB

english, 2003

13

Stereoselective Synthesis of Fully Substituted d-Lactone; the C1-C8 Fragment of Discodermolide

Uenishi, Jun'ichi, Yakura, Takayuki, Kitano, Tomoko, Ikeda, Masazumi

Journal:

Year:

2003

Language:

english

File:

PDF, 112 KB

english, 2003

14

A Simple One-Pot Synthesis of Benzoxazine-2,4-diones and Benzothiazine-2,4-diones

H. Greig, Nigel, Zhu, Xiaoxiang, Yu, Qian-sheng, L. Flippen-Anderson, Judith, Brossi, Arnold

Journal:

Year:

2003

Language:

english

File:

PDF, 113 KB

english, 2003

15

Acid-catalyzed Intramolecular Addition of a Hydroxy Group to Vinylgermanes

Hosomi, Akira, Miura, Katsukiyo, Takahashi, Tatsuyuki

Journal:

Year:

2003

Language:

english

File:

PDF, 58 KB

english, 2003