PROCESS FOR PREPARING NEW BICYCLOHEPTENE DERIVATIVES AND PHARMACEUTICAL PREPARATIONS CONTAINING SUCH COMPOUNDS AS ACTIVE MATERIALS

摘要

PURPOSE:Bicyclo [2,2,1] heptene derivatives and their salts of formula I (where A is 2-4C alkylene; B and X are vinylene or ethylene; Y is OH or protected OH; R1 is H, 1-8C alkyl, 4-8C alkyloxyalkyl, 5-10C cycloalkyl, or cycloalkylalkyl, aryl, 7-10Ccycloalkyl or aryoxy; R2 is H or 1-4C alkyl).