期刊
CHEMICAL & PHARMACEUTICAL BULLETIN
卷 50, 期 11, 页码 1479-1483出版社
PHARMACEUTICAL SOC JAPAN
DOI: 10.1248/cpb.50.1479
关键词
3-aza-olivacine; pyridazino[4,5-b]carbazole; antitumor agent
A series of Mused carbazoles structurally related to pyrido[4,3-b]carbazole-type alkaloids was prepared, utilizing the Diels-Alder reaction of 1-methylpyrano[3,4-b]indol-3(9H)-one with electron-deficient acetylenic dienophiles as the key step. The title compound (14) thus obtained in only four steps represents a new 3-aza analog of the antitumor natural product, olivacine.
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