Patent ID: 8865909

Claim:
A compound having the general formula: or a salt thereof, wherein: y and w are each independently an integer, such that y+w ranges from 7 to 20; A is O; T is selected from the group consisting of —S—, and —CH 2- ; R 1 is selected from the group consisting of H and —(CH 2 ) m CO 2 R 7 ; m is an integer ranging from 1 to 6; X is selected from the group consisting of —CH 2 —, —CR 8 R 9 —, —O—, —S— and —NR 2 — or absent; Z is selected from the group consisting of H, —CH 3 , —C(═O)Q, a linking moiety selected from the group consisting of amide and ester, a reactive group selected from the group consisting of aldehyde, alkoxy, amine, azide, carbonyl, carboxyl, cyanate, cyano, halo, hydroxy, nitro, sulfonate, thiocyanate. thiohydroxy, tosylate and triflate, a polymer moiety selected from the group consisting of a polyacrylate, a polymethaciylate, a polyethylene glycol (PEG), an oligo/polysaccharide, a peptide, a protein, a nucleic acid, a polyurethane, an epoxy resin, a fluoropolymer, a polyimide, a polyamide, a polyacrylamides and a polyhydroxyethyl methacrylate, and a polymerizable moiety selected from the group consisting of an acrylate, a methacrylate, 2-hydroxyethyl (ethylene glycol), a saccharide, an amino acid residue, a nucleic acid residue, a urethane, an epoxide, fluoroalkene, an amide, imide, an acrylamide, hydroxyethylmethacrylate and N-vinyl-2-pyrrolidinone; Q is selected from the group consisting of —OH, —OR 3 , —NR 4 R 5 and —NHOH; and R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 and R 10 are each independently selected from the group consisting of H, alkyl, aryl, heteroaryl, alicyclic and heterocyclic.