Organic letters

Indium/TFA-catalyzed synthesis of tetracyclic [6, 5, 5, 6] indole ring, via a tandem cycloannulation of β-oxodithioester with tryptamine

TP Singh, S Bhattarcharya, OM Singh

文献索引：Devi, Nepram Sushuma; Singh, Sarangthem Joychandra; Singh, Okram Mukherjee Synlett, 2012 , vol. 23, # 14 p. 2111 - 2115

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被引用次数: 9

摘要

The cycloannulation of β-oxodithioesters and tryptamine in dichloromethane in the presence of a catalytic amount of InCl3 and TFA gave the novel 5-aryl/heteroaryl 2a1, 9b-dihydro-1 H- 2a, 5a-diaza-cyclopenta [jk] fluorene-3 (2 H)-thiones in moderate to good yields. The