| abstract |
NEW MATERIAL:A compound of formula I (R 1 , R 2 are lower alkyl; R 3 is lower acylacetyl, lower alkoxyacetyl, phenoxyacetyl, lower acylaminoacetyl, araloxycarbonyl; R 4 is lower alkyl, phenyl, isobutoxycarbonyl, aralkyloxycarbonyl, lower alkylcarbamoyl; n is 1, 2, 3; Y is acid residue). n EXAMPLE: 2-[ 4-( 3-Ethoxy-2-methoxyacetoxypropoxy )phenylcarbamoyl ]ethyldimethylsulfonium p-toluenesulfonate. n USE: Antiallergic, immunostimulator, carcinostatic, immunoregulator, anti-inflammatory analgesic, hepatic function improver, antiautoimmune, phylactic agent, platelet coagulation inhibitor, growth regulator and other medicines and agricultural chemicals. n PREPARATION: The reaction of a compound of formula II with another compound of R 2 Y gives the compound of formula I . n COPYRIGHT: (C)1985,JPO&Japio |