Volume 50; Issue 1

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Heterocycles
Volume 50; Issue 1

Heterocycles

Volume 50; Issue 1

1

A Simple Synthetic Method for Fluorine-containing 4H-Pyrano[3,2-d]isoxazoles and 4-Cyanoethylisoxazoles from 5-Trifluoroacetyl-2-methoxy-3,4-dihydro-2H-pyran with Hydroxylamine Hydrochloride

Okada, Etsuji, Okumura, Hiroshi, Nishida, Yukihiro, Kitahora, Takeshi

Journal:

Year:

1999

Language:

english

File:

PDF, 215 KB

english, 1999

2

An Efficient Preparative Route to Fused Imidazo[1,2-a]pyrazin-4-one Derivatives

Mignani, Serge, Damour, Dominique, Aloup, Jean-Claude, Barreau, Michel, Genevois-Borella, Arielle, Jimonet, Patrick, Leconte, Jean-Pierre, Ribeill, Yves, Vuilhorgne, Marc

Journal:

Year:

1999

Language:

english

File:

PDF, 351 KB

english, 1999

3

First Total Synthesis of the Pandanus Alkaloids, Pandamarilactam-3Y and -3X

Aimi, Norio, Takayama, Hiromitsu, Kuwajima, Toshiyuki, Kitajima, Mariko, G. Nonato, Maribel

Journal:

Year:

1999

Language:

english

File:

PDF, 103 KB

english, 1999

4

Bufobutanoic Acid and Bufopyramide, Two New Indole Alkaloids from the Chinese Traditional Drug Ch'an Su

Kamano, Yoshiaki, Morita, Hiroshi, Takano, Rui, Kotake, Ayano, Nogawa, Toshihiko, Hashima, Hirohumi, Takeya, Koichi, Itokawa, Hideji, R. Pettit, George

Journal:

Year:

1999

Language:

english

File:

PDF, 154 KB

english, 1999

5

Addition of 1-Boc-2-tert-butyldimethylsilyloxypyrrole to N-Methyleneamine Equivalents: Synthesis of 1-Boc-5-aminomethyl-2,5-dihydropyrrol-2-ones and 1-Boc-2-oxo-1,7,9-triazaspiro[4,5]dec-3-enes

Ha, Hyun-Joon, Suh, Jang-Min, Ahn, Young-Gil, Dong, Yongkwan, Yun, Hoseop

Journal:

Year:

1999

Language:

english

File:

PDF, 338 KB

english, 1999

6

Limonoids from Melia toosendan (Meliaceae) and Their Antifeedant Activity

Nakatani, Munehiro

Journal:

Year:

1999

Language:

english

File:

PDF, 409 KB

english, 1999

7

Chemical Realization of the Biogenetic Pathways Proposed for the Fused-polycyclic Ethers of Marine Origins

Murai, Akio, Fujiwara, Kenshu, Hayashi, Nobuyuki, Tokiwano, Tetsuo

Journal:

Year:

1999

Language:

english

File:

PDF, 828 KB

english, 1999

8

Synthesis of Coumarin-3-O-acylisoureas by Different Carbodiimides

Bonsignore, Leonardo, Cottiglia, Filippo, M. Lavagna, Silvio, Loy, Giuseppe, Secci, Daniela

Journal:

Year:

1999

Language:

english

File:

PDF, 188 KB

english, 1999

9

Synthesis of Vinca Alkaloids and Related Compounds. Part XCIII. Skeletal Rearrangement of Cyclovinblastine Derivatives: Formation of a Novel Bisindole System

Szántay, Csaba, Honty, Katalin, Demeter, Ádám, Szántay, Csaba, Hollósi, Miklós, Kolonits, Pál

Journal:

Year:

1999

Language:

english

File:

PDF, 821 KB

english, 1999

10

Synthesis of β-Substituted and α,β-Disubstituted δ-Carbolines Using a Halogen-Dance Reaction

Rocca, Patrick, Arzel, Erwan, Marsais, Francis, Godard, Alain, Quéguiner, G.

Journal:

Year:

1999

Language:

english

File:

PDF, 352 KB

english, 1999

11

Synthesis of Certain Quinolin-2(1H)-one α-Methylene-γ-butyrolactones as Potential Antiplatelet Agents

Tzeng, Cherng-Chyi, Chen, Yeh-Long, Wang, Tai-Chi, Fang, Kuo-Chang, Chang, Nein-Chen

Journal:

Year:

1999

Language:

english

File:

PDF, 263 KB

english, 1999

12

1,3-Oxathiane Ring Formation through Intramolecular Pummerer Reaction of Alkyl ortho-Hydroxymethylphenyl Sulfoxides

Harayama, Takashi, Abe, Hitoshi, Shibaike, Kentaro, Fujii, Hiroyuki, Tsuchida, Daisuke, Akiyama, Teruaki

Journal:

Year:

1999

Language:

english

File:

PDF, 264 KB

english, 1999

13

Recent Advances on Antitumor-active Benzo[c]phenanthridine Alkaloids

Ishikawa, Tsutomu, Ishii, Hisashi

Journal:

Year:

1999

Language:

english

File:

PDF, 334 KB

english, 1999

14

Photoreaction of Arenecarbothioamides with Furan. Facile Synthesis of Pentagonal Di- and Tri-heterocyclic Compounds

Oda, Kazuaki, Sakai, Masayuki, Ohno, Kosei, Machida, Minoru

Journal:

Year:

1999

Language:

english

File:

PDF, 178 KB

english, 1999

15

A Study of Biflavanones from the Stems of Garcinia kola (Guttiferae)

Niwa, Masatake, Terashima, Kenji, Kondo, Yoshihito, Aqil, Mohammad, Waziri, Maimuna

Journal:

Year:

1999

Language:

english

File:

PDF, 251 KB

english, 1999

16

Expansion of Ring B in the Gibberellins: Entry to the Rabdosia Family of Kaurenoids

N. Mander, Lewis, J. Benjamin, Lynda, Adamson, George

Journal:

Year:

1999

Language:

english

File:

PDF, 416 KB

english, 1999

17

Oxidation and Rearrangement of 5-Substituted 5-Ethoxycarbonyl[1,2,4]triazolidine-3-thiones

G. Schantl, Joachim, Lang, Sergius, Wurst, Klaus

Journal:

Year:

1999

Language:

english

File:

PDF, 252 KB

english, 1999

18

Direct and Simple Conversion of Codeine to Thebainone-A and Dihydrothebainone

C. Rice, Kenner, Coop, Andrew

Journal:

Year:

1999

Language:

english

File:

PDF, 81 KB

english, 1999

19

Packing Modes in Eight 3-Ethoxycarbonylpyrazole Derivatives. Influence of the Substituents on the Crystal Structure and Annular Tautomerism

Elguero, José, Infantes, Lourdes, Foces-Foces, Concepción, M. Claramunt, Rosa, López, Concepción, Jagerovic, Nadine

Journal:

Year:

1999

Language:

english

File:

PDF, 492 KB

english, 1999

20

Asymmetric Synthesis of Rhopaloic Acid A Analogues and Their Biological Properties

Ohkata, Katsuo, Nishitani, Hiroko, Sasaoka, Asami, Tokumasu, Munetaka

Journal:

Year:

1999

Language:

english

File:

PDF, 131 KB

english, 1999

21

Studies on Isocyanides and Related Compounds. A Facile Synthesis of 1-Substituted 3-Cyano-2-methoxy-3-phenylpyrroles

Pepino, Roberto, Bossio, Ricardo, Marcaccini, Stefano, Torroba, Tomás

Journal:

Year:

1999

Language:

english

File:

PDF, 161 KB

english, 1999