Patent ID: 8080605

Claim:
A compound having the formula B-A-S x —N, wherein: B is an azaheterocyclic oxygen or sulfur containing moiety, or an allyltin moiety; S x is a polysulfide, where x is between 2 and about 10; and N is a blocking group; wherein the azaheterocyclic oxygen or sulfur containing moiety is selected from the group consisting of formulas I-III: wherein X is oxygen or sulfur; wherein each of R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , and R 7 is independently hydrogen, a branched or linear C 1 -C 20 alkyl group, a branched or linear C 3 -C 20 cycloalkyl group, a branched or linear C 6 -C 20 aryl group, a branched or linear C 7 -C 20 alkylaryl group, and A, wherein A comprises [A′-(Z-A″) k ], wherein A′ and A″ are a branched or linear C 1 -C 20 alkylenyl moiety, a branched or linear C 3 -C 20 cycloalkylenyl moiety, a branched or linear C 6 -C 20 arylenyl moiety, or a branched or linear C 7 -C 20 alkylarylenyl moiety; Z is oxygen, sulfur or C═O; and k is 1 to about 4.