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5 results on '"Ishikura, Minoru"'

1. A novel synthesis of 3,4,5,6-tetrahydro-7-hydroxy-1H-azepino[5,4,3-cd] indole derivatives from serotonin1

Author

Yamada, Koji, Teranishi, Sakiko, Miyashita, Ayako, Ishikura, Minoru, and Somei, Masanori

Abstract

Utilizing novel Nb-substituted serotonins, 5-and/or 6-substituted 3,4,5,6-tetrahydro-7-hydroxy-1H-azepino[5,4,3-cd]indole derivatives are produced simply by treating serotonins with aldehydes under basic conditions. Synthesis of 2,2a,3,4,5,6-hexahydro-7-hydroxy-1H-azepino[5,4,3-cd]indole-2-one derivatives is also reported. © 2011 The Japan Institute of Heterocyclic Chemistry.

Published
2011

2. Synthesis of (±)-Cephalanthrin A Using Baeyer-Villiger Oxidation

Author

Nishiyama Takashi, Ishikura Minoru, Choshi Tominari, Itoh Tomoki, and Abe Takumi

Subjects
Pharmacology, 010405 organic chemistry, Chemistry, Organic Chemistry, Organic chemistry, 010402 general chemistry, 01 natural sciences, 0104 chemical sciences, Analytical Chemistry, Baeyer–Villiger oxidation
Published
2017

4. Total Synthesis of Carbazole-1,4-quinone Alkaloid Koeniginequinones A and B Based on a One-Pot Cyclocarbonylation Procedure from 2-Alkenyl-3-iodoiodoindole

Author

Ishikura Minoru, Fujii Mami, Nishiyama Takashi, Abe Takumi, Hibino Satoshi, Choshi Tominari, and Satsuki Nanase

Subjects
Pharmacology, Thesaurus (information retrieval), 010405 organic chemistry, Carbazole, Alkaloid, Organic Chemistry, Total synthesis, 010402 general chemistry, 01 natural sciences, 0104 chemical sciences, Analytical Chemistry, Quinone, chemistry.chemical_compound, chemistry, Organic chemistry
Published
2016

5. Synthesis and antimalarial activity of calothrixins A and B, and their N-alkyl derivatives

Author

Matsumoto, Kohji, Choshi, Tominari, Hourai, Mai, Zamami, Yoshito, Sasaki, Kenji, Abe, Takumi, Ishikura, Minoru, Hatae, Noriyuki, Iwamura, Tatsunori, Tohyama, Shigeo, Nobuhiro, Junko, and Hibino, Satoshi

Subjects
Antimalarials, Structure-Activity Relationship, Alkylation, Molecular Structure, parasitic diseases, Plasmodium falciparum, Indole Alkaloids
Abstract

We synthesized calothrixin B using our developed biomimetic method and derived N-alkyl-calothrixins A and B. The in vitro antimalarial activity of the calothrixin derivatives, including calothrixins A and B, against the Plasmodium falciparum FCR-3 strain was evaluated. All test compounds exhibited antimalarial activity over a concentration range of 6.4×10(-6)-1.2×10(-7) M.

Published
2013

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