Patent ID: 8435492

Claim:
A compound represented by formula 1: wherein Poly represents a polymer selected from the group polyethylene glycol, polystyrene, polyamide, polypeptide, polyurethane, poly(ethylene-co-vinyl acetate), polyethylene, polystyrene/rubber and poly(ethylene-co-propylene); R 1 represents alkenyl; R 2 represents —NR 4 R 5 , phosphate, phosphite, phosphine, XR 5′ , Z, or R 2 is represented by formula 2: wherein m is 1-8; R represents independently for each occurrence hydrogen, halogen, alkyl, alkenyl, alkynyl, hydroxyl, alkoxyl, silyloxy, amino, nitro, sulfhydryl, alkylthio, imine, phosphoryl, phosphonate, phosphine, carboxamide, anhydride, silyl, thioalkyl, alkylslIifonyl, arylsulfonyl, selenoalkyl, heteroalkyl, nitrile, guanidine, amidine, acetal, ketal, amine oxide, aryl, heteroaryl, azide, aziridine, epoxide, hydroxamic acid, imide, oxime, sulfonamide, —COR 6 , —C(O) 2 R 6 , —C(O)N(R 6 ) 2 , —N(R 6 )C(O)R 6 , —OC(O)N(R 6 ) 2 , —N(R 6 )C(O) 2 R 7 , —C(S)N(R 6 ) 2 , —N(R 6 )C(S)R 6 , —OC(S)N(R 6 ) 2 , —N(R 6 )C(S)OR 7 , —N(R 6 )C(O)N(R 6 ) 2 , —N(R 6 )C(S)N(R 6 ) 2 , or —(CH 2 ) q —R 80 ; wherein q is 1-10; R 80 represents an optionally substituted aryl, cycloalkyl, cycloalkenyl, heterocyclyl, or polycyclyl; R 6 represents independently for each occurence H, alkyl, alkenyl, aryl, or aralkyl; and R 7 represents independently for each occurrence alkyl, alkenyl, aryl, or aralkyl; X is S, Se, or AsR 5 ; Z is a malonate, β-ketoester, α-nitroester, α-cyanoester, α-phosphonoester, or α-ketophosphonate; n is 1-15; R 3 represents independently for each occurrence alkyl, aralkyl, alkenyl or alkynyl; R 4 and R 5 represent independently for each occurrence hydrogen, alkyl, heteroalkyl, cycloalkyl, heterocycloalkyl, alkenyl, alkynyl, aryl, heteroaryl, aralkyl, or heteroaralkyl; and R 5′ represents alkyl, heteroalkyl, cycloalkyl, heterocycloalkyl, alkenyl, alkynyl, aryl, heteroaryl, aralkyl, or heteroaralkyl.