反应详情

Following a procedure similar to that described in Example 1 but using 3.2 g. sodium in 200 ml. dry acetone, 21. g. hexanamidine hydrochloride, and 21.4 g. 4-chlorophenyl isocyanate in 100 ml. dry acetone, there was obtained after recrystallization from acetone 13.9 g. of the hydrochloride of 1-(4-chlorophenyl)-3-(hexanimidoyl)urea; m.p. 175°-179°C.

1. customafter recrystallization from acetone 13.9 g