반응 #655161

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2-hydroxy 4-nitro aniline

4-bromophenylisocyanate

→

title compound

수율 37.0%

N-(2-hydroxy-4-nitrophenyl)-N′-(4-bromophenyl)urea

수율 37.0%

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후처리

1. 1
   기타The product was purified by dilution with methylene chloride and precipitation with hexanes
2. 2
   여과Filtering

실험 절차

N-(2-Hydroxy-4-nitrophenyl)-N′-(4-bromophenyl)urea was prepared from 2-hydroxy 4-nitro aniline (500 mg, 3.24 mmol) and 4-bromophenylisocyanate (3.24 mmol) according to the procedure in General Method B. The product was purified by dilution with methylene chloride and precipitation with hexanes. Filtering afforded the title compound(0.41 g, 37%). EI-MS m/z 352(M+H)+.

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