Ring Transformations of 3-Substituted 5-Trifluoromethyl-1,3,4-thiadiazol-2(3H)-one with Nucleophiles
3-取代的5-三氟甲基-1,3,4-噻二唑-2(3 H)-1与亲核试剂的环转化
Process for the preparation of 1,3,4-thiadiazolone derivatives
申请人:Ciba-Geigy Corporation
公开号:US04448968A1
公开(公告)日:1984-05-15
A process for preparing 1,3,4-thiadiazolone compounds of the formula ##STR1## comprising reacting a 2-alkoxy-1,3,4-thiadiazole of the formula ##STR2## with hydrogen chloride in non-aqueous organic solvent under non-aqueous conditions at a temperature of from 0.degree. to 100.degree. C.