反应详情

The procedure described in Preparation 62 was repeated, except that 11 g of 6-ethoxy-2,5,7,8-tetramethyl-2-(4-nitrophenoxymethyl)chroman (prepared as described in Preparation 61), 2.2 g of 10% w/w palladium-on-carbon, 100 ml of methanol and 30 ml of benzene were used as the starting materials to give the title compound, melting at 121°-123° C.

1. customThe procedure described in Preparation 62