反应详情

The urea was prepared from 1-amino 2-hydroxy naphthalene (195 mg, 1 mmol) and 2-bromo phenyl isocyanate (1 mmol) by general Method B. It was purified by dilution with methylene chloride and precipitation with hexane. Filtering afforded the title compound (0.030 g, 8%). EI-MS m/z 357 (M+H)+

1. customIt was purified by dilution with methylene chloride and precipitation with hexane
2. filtrationFiltering