ChemInform Abstract: Chemoselective O-Me
โ
A. BASAK; M. K. NAYAK; A. K. CHAKRABORTI
๐
Article
๐
2010
๐
John Wiley and Sons
โ 30 KB
๐ 1 views
Chemoselective O-Methylation of Phenols under Nonaqueous Condition. -A highly selective O-alkylation of various phenols (I) (24 examples) is achieved using 0.5 equivalents of dialkylsulfate [cf. (II)] in dry THF in the presence of LiOH as base. Use of other alkali or alkaline earth metal hydroxides