Hydrazine → HCID 178514368, compound

Participants

Reaction Steps

An amount of 3.6 g. of 4,6-dichloro-1H-2,3-benzoxazine and 1.8 ml. of anhydrous hydrazine are dissolved in 18 ml. of absolute ethanol and refluxed for 30 minutes. The mixture is allowed to cool, then is distilled in vacuo. The residue is taken up with methylene chloride and filtered from precipitated hydrazine hydrochloride. The filtered solution is distilled to dryness and the residue crystallized from ethanol. An amount of 2.10 g. of 6-chloro-4-hydrazino-1H-2,3-benzoxazine is obtained.

Provenance & Evidence