Tetrahedron Letters

1, 4 Additions with lithium bis (methylenecyclopropyl) cuprate

G Peron, D Norton, J Kitteringham, JD Kilburn

文献索引：Peron, Guillaume; Norton, David; Kitteringham, John; Kilburn, Jeremy D. Tetrahedron Letters, 2001 , vol. 42, # 2 p. 347 - 349

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被引用次数: 20

摘要

In this earlier work, 5 b ketone 1 was prepared by alkylation of lithiated methylenecyclopropane with an iodo ketal (Scheme 1), and indeed the alkylation of lithiated methylenecyclopropane has proven to be one of the most useful methods for the preparation of substituted methylenecyclopropanes. 6 However, and perhaps rather surprisingly, there have been very few reports of the preparation of organocuprates derived from lithiated ...