| abstract |
The compounds disclosed are of the formula ##STR1## and the anhydrides thereof WHEREIN n R f is a perfluoroalkyl group, n R' is a divalent group of alkylene, ether, thioether or a sec.amine, n Y is oxygen, sulfur or an amine, and n R is hydrogen or alkyl. n R 3 is hydrogen or methyl n These compounds can be prepared by a free radical catalyzed addition of a polyfluoroalkylthiol to a 5-norbornene diacid or its derivative. They are useful in preparing surfactants when reacted with an amine. |