Tetrahedron letters

The preparation and lithiation of 3, 3-Diphenyl-1, 1, 2-tribromocyclopropane

G Li, PM Warner

文献索引：Li, Gang; Warner, Philip M. Tetrahedron Letters, 1995 , vol. 36, # 47 p. 8573 - 8576

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被引用次数: 8

摘要

3, 3-Diphenyl-1, 1, 2-tribromocyclopropane 4 was synthesized from benzophenone in three steps in an overall yield of 11.4%. Treatment of 4 with butyllithium in THF at low temperatures, generated 1-lithio-and 1, 2-dilithiocyclopropenes which were characterized by