5,5 ', 6,6', 7,7 ', 8,8'-octahydro-2,2'-binaphthols and 3-alkylated 5,5', 6,6 ', 7,7', 8,8 ', 2,2'-octahydro-3,3'-binaphthols dialkylated and methods for making them.

摘要

A method of manufacturing 5,5 ', 6,6', 7,7 ', 8,8'-octahydro-2,2'-binaphthol 3-alkylated and / or 5,5', 6,6 ', 7, 7 ', 2,2'-binaphthol 8,8'octahidro-3,3'-dialkylated, comprising contacting 5,5', 6,6 ', 7,7', 8,8'octahidro-2 , 2'-binaphthol with a benzyl halide or an alkyl halide, wherein the halide is bromide or chloride, in the presence of a Lewis acid catalyst tertiary alkyl.