作者:Hervé Geneste、Bernd Schäfer
DOI:10.1055/s-2001-18440
日期:——
Synthesis 2001, No. 15, 12 11 2001. Article Identifier: 1437-210X,E;2001,0,15,2259,2262,ftx,en;T05401SS.pdf. © Georg Thieme Verlag Stuttgart · New York ISSN 0039-7881 Abstract: A broad variety of 2-substituted 4-(trifluoromethyl)phenols can be prepared in a large scale by o-lithiation and reaction with electrophiles in good to excellent yields. The key for the selectivity is the superior ortho-directing
Synthesis 2001, No. 15, 12 11 2001。文章标识符:1437-210X,E;2001,0,15,2259,2262,ftx,en;T05401SS.pdf。© Georg Thieme Verlag Stuttgart · 纽约 ISSN 0039-7881 摘要:通过邻锂化和与亲电试剂反应,可以大规模制备多种 2-取代的 4-(三氟甲基)苯酚,产率良好至极好。选择性的关键是与 CF3 基团相比,THP 保护的羟基 (OTHP) 具有优越的邻位定向效应。