m-Tolyl isocyanate → HCID 70269502, compound

Participants

Reaction Steps

A solution of 1-tert-butyloxycarbonylmethyl-2-oxo-2,3,4,5,6,7-hexahydro-1H-1,4-benzodiazonine (438 mg, 1.44 mmol) and m-tolylisocyanate (0.2 ml, 1.6 mmol) in DCM (4 ml) was stirred at room temperature for 90 minutes. Evaporation of the solvent gave the crude product which was purified by flash chromatography on silica gel with ethyl acetate-hexane (1:2) as eluant. (550 mg, 87%)

Provenance & Evidence