4-(n-2-cycloproplaminoethyl)-methylamino/ - -3-phenyl-1,2,4-thiadiazol used as local

摘要

4- N-(2-cyclopropylaminoethyl)-methylamino -3-phenyl-1,2,4-thiadi- azole used as local anaesthetic. Title cpd. of formula:- is prepared by treating 5- N-(2-cyclopropyliminoethyl)-methylamino -3-phenyl-1,2,4-thiadi- azole with a reducing agent, preferably sodium borohydride, which reduces =N- double bond without attacking thiadiazole ring.