Patent ID: 8685996

Claim:
A composition comprising trichloroisocyanuric acid, a base, a compound of formula R 1 SR 2 , wherein R 1 and R 2 are each independently â€”(C 1 -C 20 )alkyl, â€”(C 3 -C 8 )cycloalkyl, or -phenyl, and a compound of formula (I): wherein R 3 is a protecting group selected from â€”(C 1 -C 10 )alkyl, -benzyl, â€”C(O)(C 1 -C 10 )alkyl, â€”C(O)O(C 1 -C 10 )allyl, â€”Si((C 1 -C 10 )alkyl) 3 , â€”Si(aryl)((C 1 -C 10 )alkyl) 2 , â€”Si(aryl) 2 ((C 1 -C 10 )alkyl), â€”P(O)((C 1 -C 10 )alkyl) 2 , â€”P(S)((C 1 -C 10 )alkyl) 2 , and â€”S(O)OC 6 H 4 -p-CH 3 .