Synthesis, Structure, and Solution Behavior of a Phosphine−Borane-Stabilized 1,3-Dicarbanion
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The reaction between the phosphine−borane {(Me3Si)CH2}2P(BH3)Ph (2) and 2 equiv of n-BuLi in THF yields the 1,3-dicarbanion complex (THF)2Li{(Me3SiCH)2P(BH3)Ph}Li(THF)3 (3), which crystallizes as an unusual contact ion pair. In solution 3 is subject to dynamic exchange which interconverts the two lithium environments.
创建时间：
2016-02-24
