反应详情

A solution of methyl 5-[(dimethylamino)carbonyl]-3-thiophenecarboxylate (0.5 g) in dry diethylether (50 ml) was added to a slurry of lithium aluminium hydride (0.3 g) in dry diethylether (100 ml). The mixture was stirred for 3 hours at room temperature. Water was cautiously added, the mixture was filtered and the filtrate was evaporated to give the title compound (0.4 g) as a colourless oil b.p. 120°/0.1 mm. The oxalate was formed in and recrystallised from ethanol m.p. 107°-8°.

1. filtrationthe mixture was filtered
2. customthe filtrate was evaporated