反应详情

The above base, 1.3 g (0.0019 mol), in acetone was treated with 0.215 g (0.0019 mol) of fumaric acid. The crystals were separated to afford 1.0 g (65%) of the (E)-2-butenedioate monohydrate, of isomer "A", mp 150°-151°, [α]D25 -58.52° (C 0.972, MeOH).

1. customThe crystals were separated