反应详情

To a solution of (7aR)-7a-methyl-3-(trichloromethyl)tetrahydropyrrolo[1,2-c]oxazol-1(3H)-one (D49) (0.11 g, 0.42 mol) in dry MeOH (2 ml), HCl 1M sol in MeOH (0.3 ml, 0.85 mol) was added and the mixture refluxed under a constant current of nitrogen for 1 h. Solvent was evaporated to afford the title compound (D50) 60 mg.

1. additionwas added
2. temperaturethe mixture refluxed under a constant current of nitrogen for 1 h
3. customSolvent was evaporated