Directed<i>ortho</i>Lithiation in the Reactions of 3,5-Dimethyl- and 5-Trifluoromethyl-1-phenylpyrazoles with Butyllithium
作者:Satoru Iwata、Cheng-Ping Qian、Kiyoshi Tanaka
DOI:10.1246/cl.1992.357
日期:1992.3
Lithiation of 3,5-dimethyl- and 5-trifluoromethyl-1-phenylpyrazoles with butyllithium is found to be directed to an ortho position. The ortho direction is ascribed to coordination of lithium with p...
发现 3,5-二甲基-和 5-三氟甲基-1-苯基吡唑与丁基锂的锂化被定向到邻位。正交方向归因于锂与 p 的配位...