Tetrahedron

The aza–ene or the Michael addition? Examination of an unusual substituent effect on the reaction of heterocyclic ketene aminals with ethyl propiolate

MX Zhao, MX Wang, ZT Huang

文献索引：Zhao, Mei-Xin; Wang, Mei-Xiang; Huang, Zhi-Tang Tetrahedron, 2002 , vol. 58, # 7 p. 1309 - 1316

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被引用次数: 41

摘要

Heterocyclic ketene aminals having at least one secondary amino group underwent the aza– ene reaction with ethyl propiolate under various conditions to yield the corresponding adducts, which were readily transformed into the δ-lactam fused heterocyclic products with ...