Patent ID: 7217704

Claim:
A compounds according to formula (I) wherein, X 2 , is (HO) 2 PS-Z 1 - X 1 , is R 1 —Y 1 -A-X 3 is H; A is either a direct link, (CH 2 ) k with k being an integer from 0 to 30, or O; Y 1 is —(CH 2 ) l — with l being an integer from 1 to 30, Z 1 , —O—, Q 1 and Q 2 are independently H 2 , ═NR 4 , ═O, a combination of H and —NR 5 R 6 ; R 1 , is a straight or branched-chain C2 to C30 alkenyl, an aromatic or heteroaromatic ring with or without mono-, di-, or tri-substitutions of the ring, an acyl group substituted by a C1 to C30 alkyl or an aromatic or heteroaromatic ring, an arylalkyl including straight or branched-chain C1 to C30 alkyl, an aryloxyalkyl including straight or branched-chain C1 to C30 alkyl, R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , and R 8 are independently hydrogen, a straight or branched-chain C1 to C30 alkyl, a straight or branched-chain C2 to C30 alkenyl, an aromatic or heteroaromatic ring with or without mono-, di-, or tri-substitutions of the ring, an acyl including a C1 to C30 alkyl or aromatic or heteroaromatic ring, an arylalkyl including straight or branched-chain C1 to C30 alkyl, or an aryloxyalkyl including straight or branched-chain C1 to C30 alkyl.