Cyclopropanation and Isomerization Reactions of β-Diketiminato Boron Complexes
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The reaction of HC[(CBut)(NAr)]2Li with BCl3 yielded the azaallyl boron dichloride [ArNC(But)C(H)C(But)N(Ar)]BCl2 (1), which can be converted to the β-diketiminato boron dichloride HC[(CBut)(NAr)]2BCl2 (2) upon heating at 40 °C. Reaction of 1 with the bulky lithium salts LiN(SiMe3)2 and MesLi (Mes = 2,4,6-Me3C6H2) resulted in the cyclopropanation of the CBut group via the deprotonation of the methyl group, while reactions with PhLi and LiNEt2 gave substitution products.
创建时间：
2012-06-25
