反应详情

To 13 parts of this methyl N-(1-amino-1-methoxymethylene)carbamate, m.p. 36°-39.5° in 140 parts of methylene chloride is added 15 parts of 4-chlorophenyl isocyanate. The reaction mixture is stirred overnight and the solution filtered to give 10 parts of methyl 4-(4-chlorophenyl)-N-methoxycarbonylallophanimidate melting at 170° dec.

1. filtrationthe solution filtered