Pharmaceutical furazan derivs prodn

摘要

Pharmaceutical furazan derivs. prodn. Compounds possessing depressant, anticonvulsive and muscle-relaxing properties have formula: (in which R1 is a halogen, NO2, CF3, a lower alkoxy or alkylthio group, R2 is H a lower alkyl or alkoxy gp. and R3 is H or a lower alkoxy gp). These cpds. can be prodcued by reacting hydroxylamine hydrochloride with a compound of formula: (where R4 is H or a lower alkyl).