Patent ID: 8895647

Claim:
A compound of formula II wherein R 7 is a group of formula V C 3 -C 18 alkenyl, C 3 -C 12 cycloalkyl, C 5 -C 8 cycloalkenyl, C 6 -C 10 bicycloalkyl, C 3 -C 18 alkynyl, C 6 -C 10 aryl, C 7 -C 9 aralkyl or C 7 -C 20 aralkyl substituted by C 1 -C 4 alkyl or C 6 -C 10 aryl; R 10 is a group of formula VI hydrogen, C 1 -C 18 alkyl, C 3 -C 18 alkenyl, C 3 -C 12 cycloalkyl, C 5 -C 8 cycloalkenyl, C 6 -C 10 bicycloalkyl, C 3 -C 18 alkynyl, C 6 -C 10 aryl, C 7 -C 9 aralkyl or C 7 -C 20 aralkyl substituted by C 1 -C 4 alkyl or C 6 -C 10 aryl; R 13 is a group of formula VII hydrogen, C 1 -C 18 alkyl, C 3 -C 18 alkenyl, C 3 -C 12 cycloalkyl, C 5 -C 8 cycloalkenyl, C 6 -C 10 bicycloalkyl, C 3 -C 18 alkynyl, C 6 -C 10 aryl, C 7 -C 9 aralkyl or C 7 -C 20 aralkyl substituted by C 1 -C 4 alkyl or C 6 -C 10 aryl; R 8 , R 9 , R 11 , R 12 , R 14 and R 15 are each independently from each other C 1 -C 18 alkyl, C 3 -C 18 alkenyl, C 3 -C 12 cycloalkyl, C 5 -C 8 cycloalkenyl, C 6 -C 10 bicycloalkyl, C 3 -C 18 alkynyl, C 6 -C 10 aryl, C 7 -C 9 aralkyl or C 7 -C 20 aralkyl substituted by C 1 -C 4 alkyl or C 6 -C 10 aryl; Z 5 , Z 6 , Z 7 , Z 8 , Z 9 , Z 10 , Z 13 , Z 14 and Z 15 are each independently from each other C 1 -C 18 alkyloxy, C 3 -C 18 alkenyloxy, C 3 -C 12 cycloalkyloxy, C 5 -C 8 cycloalkenyloxy, C 6 -C 10 bicycloalkyloxy, C 3 -C 18 alkynyloxy, C 6 -C 10 aryloxy, C 7 -C 9 aralkyloxy or C 7 -C 20 aralkyloxy substituted by C 1 -C 4 alkyl or C 6 -C 10 aryl; and X 2 , X 3 and X 4 are each independently from each other C 2 -C 12 alkylene or C 3 -C 12 alkylene substituted by hydroxyl.