反应详情

A mixture of 0.454 g (1 mmol) of methyl 3-hydroxy-2-[(4-methoxybenzenesulfonyl)-(4-chloro-2-nitrobenzyl)amino]propionate and 0.451 g (2 mmol) of SnCl2.2H2O in 12 ml of methanol was refluxed for 2 hours. An additional 0.451 g (2 mmol) of SnCl2.2H2O was added and the mixture refluxed for 2 hours.

1. temperaturewas refluxed for 2 hours
2. temperaturethe mixture refluxed for 2 hours