In connection with syntheses of some heterocyclic systems, I-methylhydrazinoacetic acid (1) and I-benzylhydrazinoacetic acid (II) were required as the starting material. Only the preparation of the acid I has been mentioned in the literature1; the acid I has also been recently reported as the component of the antibiotic negamycin2• The preparative procedure1 consists in reaction of methylhydrazine with chloroacetic acid, but a great ...
