Patent ID: 7297819

Claim:
A compound of formula Ib or Ic wherein Y is O or NR 101 and R 101 is H or C 1 -C 18 alkyl or R 7 and/or R 8 and R 101 together with the nitrogen atom to which they are bound form a 5 or 6 membered heterocyclic ring; R 1 , R 2 and R 3 independently are benzyl, C 1 -C 18 alkyl, C 2 -C 18 alkenyl which are unsubstituted or substituted by OH or by a group —O—C(O)—R 102 ; or C 2 -C 18 alkyl which is interrupted by at least one O atom or a group NR 102 wherein R 102 is hydrogen, C 1 -C 18 alkyl or C 6 -C 10 aryl; or R 1 and R 2 together with the carbon atom to which they are bound form a C 5 -C 12 cycloalkyl group; or in formula Ia R 3 and R 4 together with the carbon atom to which they are bound form a C 5 -C 12 cycloalkyl group; R 5 and R 6 are independently H, C 1 -C 18 alkyl, C 2 -C 18 alkenyl, benzyl, C 5 -C 12 cycloalkyl or phenyl; R 7 and R 8 independently are H, C 1 -C 18 alkyl, C 2 -C 18 alkenyl, C 5 -C 12 cycloalkyl or a group —C(O)—(C 1 -C 18 )alkyl, —C(O)—O—(C 1 -C 18 )alkyl, —C(O)—O-phenyl, —C(O)—C(O)—OH, —C(O)—C(O)—NH—(C 1 -C 18 alkyl), —C(S)—S—(C 1 -C 18 )alkyl, or —SiR a R b R c wherein R a , R b and R c independently are C 1 -C 18 alkyl. or R 7 and R 8 are a group wherein R 103 , R 104 and R 105 independently are H, C 1 -C 8 alkyl, C 1 -C 8 alkoxy, C 1 -C 8 alkylthio, —O—C(O)—(C 1 -C 8 )alkyl, —O—C(O)—(C 6 -C 10 )aryl, nitro, cyano or halogen; R 9 , R 10 , R 11 , R 12 , R 13 and R 14 independently are H, OH, C 1 -C 8 alkoxy, C 1 -C 8 alkyl, SH, C 1 -C 8 alkylthio, —O—C(O)—(C 1 -C 8 )alkyl, —O—C(O)—(C 6 -C 10 )aryl, nitro, cyano, halogen or a group NR 106 R 107 wherein R 106 and R 107 independently are hydrogen, C 1 -C 18 alkyl or C 6 -C 10 aryl or together with the nitrogen atom to which they are bound form a 5 or 6 membered heterocyclic ring; 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)—O—R 21 , (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; R 21 is C 1 -C 18 alkyl or C 2 -C 18 alkyl which is interrupted by at least one O atom or a group NR 102 wherein R 102 is hydrogen, C 1 -C 18 alkyl or C 6 -C 10 aryl; the alkyl groups are unsubstituted or substituted with one or more —OH, —COOH, —O(C 1 -C 8 alkyl), NR 106 R 107 or —COR 20 groups wherein R 20 , R 106 and R 107 have the meanings as defined above; 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 alkylthio, C 1 -C 12 alkylcarbonyl, glycidyloxy, OH, SH, —COOH or —COO(C 1 -C 12 )alkyl.