An efficient synthesis of dichotomine a via cyclization of l-tryptophan derivative

XiuXiao Shi,Dian He,ShaoBai Li,Xin Lei,Huan Yang

ASIAN JOURNAL OF CHEMISTRY（2013）

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摘要

A new synthetic method for dichotomine A is reported. The key step of the synthetic process is the efficient cyclization of L-tryptophan derivative via a modified Bischler-Napieralski reaction which aluminium chloride is used as a mild catalyst. Dichotomine A is obtained in 5 steps and 63.9 % yield.

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关键词

Dichotomine A,beta-Carboline alkaloids,Aluminium chloride,Cyclization

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