Methyl Isocyanate → HCID 18975131, compound

Participants

Reaction Steps

0.84 g (2.33 mmoles) of 8-bromo-4-methyl-1-(4-nitrophenyl)-4,5-dihydro-3H-2,3-benzodiazepine (prepared in Example 22, Step D) are reacted with methyl isocyanate according to the method of Example 3. The crude product is suspended in 5 ml of hot ethanol. After filtration and drying, 0.82 g (84%) of the title compound are obtained. M.p.: 197°-200° C.

Provenance & Evidence