Patent ID: 7199245

Claim:
A compound of formula (I) G 1 , G 2 , G 3 and G 4 are independently C 1 –C 4 alkyl or G 1 and G 2 together and G 3 and G 4 together, or G 1 and G 2 together or G 3 and G 4 together are pentamethylene; wherein, when G 1 , G 2 , G 3 and G 4 are C 1 –C 4 alkyl, at least one is higher alkyl than methyl; G 5 and G 6 are each independently of the other hydrogen or C 1 –C 4 alkyl; n is 1, 2, 3, or 4; Y is O or NR 2 or when n is 1 and R 1 represents alkyl or aryl, Y is additionally a direct bond; R 2 is H, C 1 –C 18 alkyl or phenyl; if n is 1, R 1 is H, straight or branched C 1 –C 18 alkyl, C 3 –C 18 alkenyl or C 3 –C 18 alkinyl, which may be unsubstituted or substitued by one or more OH, C 1 –C 8 alkoxy, carboxy or C 1 –C 8 alkoxycarbonyl; C 5 –C 12 cycloalkyl or C 5 –C 12 cycloalkenyl; phenyl, C 7 –C 9 phenylalkyl or naphthyl which may be unsubstituted or substituted by one or more C 1 –C 8 alkyl, halogen, OH, C 1 –C 8 alkoxy, carboxy or C 1 –C 8 alkoxycarbonyl; —C(O)—C 1 –C 36 alkyl, or an acyl moiety of a α,β-unsaturated carboxylic acid having 3 to 5 carbon atoms or of an aromatic carboxylic acid having 7 to 15 carbon atoms; —SO 3 − Q + , —PO(O − Q + ) 2 , —P(O)(OR 2 ) 2, —SO 2 —R 2 , —CO—NH—R 2 , —CONH 2 , COOR 2 or Si(Me) 3 , wherein Q + is H + , ammnonium or an alkali metal cation; if n is 2, R 1 is C 1 –C 18 alkylene, C 3 –C 18 alkenylene or C 3 –C 18 alkinylene, which may be unsubstituted or substitued by one or more OH, C 1 –C 8 alkoxy, carboxy or C 1 –C 8 alkoxycarbonyl; or xylylene; or R 1 is a bisacyl radical of an aliphatic dicarboxylic acid having 2 to 36 carbon atoms, or a cycloaliphatic or aromatic dicarboxylic acid having 8–14 carbon atoms; if n is 3, R 1 is a trivalent radical of an aliphatic, cycloaliphatic or aromatic tricarboxylic acid; if n is 4, R 1 is a tetravalent radical of an aliphatic, cycloaliphatic or aromatic tetracarboxylic acid; and X is selected from the group consisting of —CH 2 -aryl, —CH 2 —CH 2 -aryl, (C 5 –C 6 cycloalkyl) 2 CCN, (C 1 –C 12 alkyl) 2 CCN, —CH 2 CH═CH 2 , (C 1 –C 12 )alkyl-CR 20 —C(O)—(C 1 –C 12 )alkyl, (C 1 –C 12 )alkyl-CR 20 —C(O)—(C 6 –C 10 )aryl, (C 1 –C 12 )alkyl-CR 20 —C(O)—(C 1 –C 12 )alkoxy, (C 1 –C 12 )alkyl-CR 20 —C(O)-phenoxy, (C 1 –C 12 )alkyl-CR 20 —C(O)—N-di(C 1 –C 12 )alkyl, (C 1 –C 12 )alkyl-CR 20 —CO—NH(C 1 –C 12 )alkyl, (C 1 –C 12 )alkyl-CR 20 —CO—NH 2 , —CH 2 CH═CH—CH 3 , —CH 2 —C(CH 3 )═CH 2 , —CH 2 —CH═CH-phenyl, 3-cyclohexenyl, 3-cyclopentenyl, wherein R 20 is hydrogen or C 1 –C 12 alkyl; the alkyl groups are unsubstituted or substituted with one or more —OH, —COOH or —C(O)R 20 groups; and the aryl groups are phenyl or naphthyl which are unsubstituted or substituted with C 1 –C 12 alkyl, halogen, C 1 –C 12 alkoxy, C 1 –C 12 alkylcarbonyl, glycidyloxy, OH, —COOH or —COO(C 1 –C 12 )alkyl.