Free Energy Relationships for Reactions of Substituted Benzhydrylium Ions: From Enthalpy over Entropy to Diffusion Control

J Ammer, C Nolte, H Mayr

文献索引：Duan, Xin-Hua; Mayr, Herbert Organic Letters, 2010 , vol. 12, # 10 p. 2238 - 2241

全文：HTML全文

被引用次数: 56

摘要

Second-order rate constants k 2 for the reactions of various donor-and acceptor-substituted benzhydrylium ions Ar2CH+ with π-nucleophiles in CH2Cl2 were determined by laser flash irradiation of benzhydryl triarylphosphonium salts Ar2CH-PAr3+ X–in the presence of a