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pro vyhledávání: '"Kazuki Yamaku"'
Autor:
Kazuki Yamaku, Masami Ishibashi, Utpal Kumar Karmakar, Mohamed S. Abdelfattah, Naoki Ishikawa
Publikováno v:
The Journal of Antibiotics. 69:446-450
Two new phenazine derivatives, aotaphenazine (1) and 5,10-dihydrophencomycin (2), were isolated from the ethyl acetate extract of Streptomyces sp. IFM 11694. In addition, the known 1-phenazinecarboxylic acid (3), phencomycin (4) and 1,6-phenazinedica
Autor:
Utpal Kumar Karmakar, Kazuki Yamaku, Masami Ishibashi, Yuuki Tanaka, Rolly G. Fuentes, Midori A. Arai, Natsuki Yanase, Yuuki Kofuji
Publikováno v:
Organicbiomolecular chemistry. 14(11)
Rocaglamides are bioactive natural compounds which have a cyclopenta[b]benzofuran core structure. The total synthesis of a reported natural product, 3′-hydroxymethylrocaglate (5), was achieved using [3 + 2] cycloaddition between 3-hydroxyflavone an