Anti-tricyclo 4.4.01,6.07,12.1,4,7,10-tetracarboxy-3,6,9,12-tetrahydroxy-dodeca-3,9-diene and esters thereof, a process for their preparation, and their use in preparing linear polyesters
Abstract of the Disclosure Compounds of formula I wherein R denotes hydrogen or an aliphatic or aromatic radical and their preparation by irradiation of succinylsuccinic acid or diesters thereof, in the crystalline state, with UV light rays or with .gamma.-radiation.