Patent ID: 7576245

Claim:
A compound having the formula: XCO 2 CH 2 R d wherein X is a leaving group selected from the group consisting of a halide, —N 3 , —CN, —OR 30 , —ONH 2 , —ONHR 30 , —ONR 30 2 , —O 2 CR 30 , —O 2 COR 30 , —O 2 CNR 30 2 , —SR 30 , —OC(S)R 30 , R 30 CS 2 —, —SC(O)SR 30 , —SCS 2 R 30 , —OC(O)SR 30 , —, —OC(S)OR 30 , —SC(S)OR 30 , R 30 SO 2 —, R 30 SO 3 —, R 30 OSO 2 —, R 30 OSO 3 —, R 30 PO 3 —, R 30 OPO 3 —, and —ON═C(CN)R 30 , wherein R 30 is one of linear alkyl, branched alkyl, aryl, benzyl, and —(CH 2 ) n″ R f , wherein N″ in an integer from 0 to 5, and R d is wherein R f and R f ′ are fluorous groups, m is an integer from 1 to 4, m′ is an integer from 0 to 4, n and n′ are each integers from 0 to 5, p and p′ each have a value of 0 or 1, and W and W′ are groupings of atoms each selected from the group consisting of O, S, NR 25 , CR 26 R 27 , and SiR 28 R 29 , wherein R 25 , R 26 and R 27 are independently, the same or different, one of hydrogen, linear alkyl, branched alkyl, aryl, benzyl and —(CH 2 ) n R f , and R 28 and R 29 are independently, the same or different, one of linear alkyl, branched alkyl, aryl, benzyl and —(CH 2 ) n R f .