Acetaldehyde → HCID 53960399, compound

Participants

Reaction Steps

To a solution of 3 g. of 6-chloro-4-(1-methylhydrazino)-1H-2,3-benzoxazine in 180 ml. of anhydrous benzene 1 g. of acetaldehyde in 30 ml. of anhydrous benzene is added. The mixture is allowed to stand for 2 hours, then the solvent is distilled off in vacuo and the residue recrystallized from isopropyl ether. Yield 2.4 g. (71.2%) of 6-chloro-4-(2-ethylidene-1-methylhydrazino)-1H-2,3-benzoxazine; m.p. 111°-112° C.

Provenance & Evidence