反应详情

2M. 1-(2-Chlorobenzoyl)-3-[5-(α,α,α-trifluoro-p-tolyl)-2-pyrazinyl]urea, having a melting point of about 213°-215° C., and weighing 0.6 g., from 0.6 g. of 2-amino-5-(α,α,α-trifluoro-p-tolyl)pyrazine and 0.55 g. of 2-chlorobenzoyl isocyanate.