Propyl isocyanate → HCID 18975159, compound

Participants

Reaction Steps

0.6 g (1.9 mmoles) of 8-chloro-4-methyl-1-(4-nitrophenyl)-4,5-dihydro-3H-2,3-benzodiazepine (prepared in Example 5, Step D or in Example 36, starting compound) are reacted with n-propyl isocyanate according to the method described in Example 44. The crude product is recrystallized from ethanol. Thus, 0.63 g (83%) of the title compound are obtained. M.p.: 186°-187° C.

Provenance & Evidence