Friedel–Crafts allylation of 2-(benzyloxy)-3,4,5-trimethoxytoluene Catalysed by a Metal Trifluoromethanesulfonic Salt: Synthesis of Coenzyme Q10
作者:Yun-Feng Zheng、Jing-Du Lin、Cheng-Ping Li、Jing-Hua Li
DOI:10.3184/030823407x270338
日期:2007.12
In the presence of a catalytic amount of scandium triflate, 2-benzyloxy-3,4,5-trimethoxytoluene reacted with allylic derivatives 4, giving the key intermediate 3 (R = benzyl) which was used for preparing coenzyme Q10, in moderate to high yields.