Reaction mechanism and chemoselectivity of gold(I)-catalyzed cycloaddition of 1-(1-alkynyl) cyclopr

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金(I) 的机制催化 1-(1-alkynyl ) 的 cycloaddition 有 nucleophiles 的 cyclopropyl 酉同类用密度被调查了在 B3LYP/6-31G 的功能的理论计算(d, p ) 理论的水平。一个 polarizable 连续统模型(脉冲编码调制) 被建立了以便在反应上评估溶剂的效果。计算的结果显示催化周期的第一步是羰基氧的环合到形成一个 oxonium 离子和 carbocation 中介的新、稳定的回声结构的三倍的契约上。随后的戒指扩大步导致催化剂的最后的产品
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