Sequestered Alkyllithiums: Why Phenyllithium Alone is Suitable for Betaine??Ylide Generation

…, D Deredas, C Huynh, M Schlosser

文献索引：Wang, Qian; Deredas, Dariusz; Huynh, Cyril; Schlosser, Manfred Chemistry - A European Journal, 2003 , vol. 9, # 2 p. 570 - 574

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被引用次数: 7

摘要

Abstract The key step in the trans-selective modification of the Wittig reaction is the α- lithiation of the lithium bromide coordinated ylide–aldehyde adduct (the so-called “P- betaine”). Only phenyllithium effects this deprotonation rapidly and cleanly. Alkyllithiums ( ...