Dimethylformamide dimethyl acetal → HCID 53830000, compound

Participants

Reaction Steps

The mixture of 2.2 g of 8-chloro-1-phenyl-3,4-dihydro-2-benzazepin-5-one and 15 ml of dimethylformamide-dimethylacetal is refluxed for one hour and the excessive reagent removed under reduced pressure at a temperature not exceeding 135°. The residue is crystallized from diethyl ether, to yield the 8-chloro-4-dimethylaminomethylidene-1-phenyl-3,4-dihydro-2-benzazepin-5-one; m.p. 179°-180°.

Provenance & Evidence