Isopropyl isocyanate → HCID 18975173, 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 isopropyl isocyanate according to the method of Example 44. The crude product is recrystallized from ethanol. Thus, 0.4 g (53%) of the title compound are obtained. M.p.: 172°-174° C.

Provenance & Evidence