Patent ID: 7462687

Claim:
A compound of the formula wherein: R 3 -R 5 are each independently selected from among hydrogen, C 1-6 alkyls, C 3-12 branched alkyls, C 3-8 cycloalkyls, C 1-6 substituted alkyls, C 3-8 substituted cycloalkyls, aryls, substituted aryls, aralkyls, C 1-6 alkenyls, C 3-12 branched alkenyls, C 1-6 alkynyls, C 3-12 branched alkynyls, C 1-6 heteroalkyls, substituted C 1-6 hetero-alkyls, C 1-6 alkoxyalkyl, phenoxyalkyl and C 1-6 heteroalkoxys; R 6 is OH, NH-aryl, NH-aralkyl, or NH—C 1-12 alkyl, w is 1 or 2; R 1 is a polyalkylene oxide; Y 1 is O, S or NR 5 ; q is 0, 1 or 2; d is 0 or 1; R 2 is a polyalkylene oxide; Y 2 is O, S or NR 5 ; s is 0, 1 or 2; e is 0 or 1; and L 1-2 are independently selected from the group consisting of amino acids and —[C(O)] v NR 25 (CR 26 R 27 ) t —, —[C(O)] v (CR 26 R 27 ) t —, —[C(O)] v NR 25 (CR 26 R 27 O) t —, —[C(O)] v NR 25 (CR 26 R 27 O) t (CR 28 R 29 ) y O—, —[C(O)] v NR 25 (CR 26 R 27 O) t (CR 28 R 29 ) y —, —[C(O)] v NR 25 (CR 26 R 27 ) t O—, —[C(O)] v NR 25 (CR 26 R 27 O) t (CR 28 R 29 O) y NR 30 —, —[C(O)] v O(CR 26 R 27 ) t NR 30 —, —[C(O)] v O(CR 26 R 27 ) t O—, —[C(O)] v NR 25 (CR 26 R 27 ) t NR 30 —, —[C(O)] v NR 25 (CR 26 R 27 ) t (CR 28 CR 29 O) y —, —[C(O)] v NR 25 (CR 26 CR 27 O) t (CR 28 R 29 ) y NR 30 —, —[C(O)] v O(CR 26 CR 27 O) t NR 30 —, wherein: R 25 -R 30 are independently selected from the group consisting of hydrogen, C 1-6 alkyls, C 2-6 alkenyls, C 2-6 alkynyls, C 3-19 branched alkyls, C 3-8 cycloalkyls, C 1-6 substituted alkyls, C 2-6 substituted alkenyls, C 2-6 substituted alkynyls, C 3-8 substituted cycloalkyls, aryls, substituted aryls, aralkyls, C 1-6 heteroalkyls, substituted C 1-6 hetero-alkyls, C 1-6 alkoxyalkyl, phenoxyalkyl and C 1-6 heteroalkoxys; R 31 is selected from the group consisting of hydrogen, C 1-6 alkyls, C 2-6 alkenyls, C 2-6 alkynyls, C 3-19 branched alkyls, C 3-8 cycloalkyls, C 1-6 substituted alkyls, C 2-6 substituted alkenyls, C 2-6 substituted alkynyls, C 3-8 substituted cycloalkyls, aryls, substituted aryls, aralkyls, C 1-6 heteroalkyls, substituted C 1-6 heteroalkyls, C 1-6 alkoxyalkyl, phenoxyalkyl and C 1-6 heteroalkoxys, NO 2, haloalkyl and halogen; t and y are individually selected positive integers ranging from about 1 to about 4; and v is 0 or 1.