Process for preparing glycerol esters
View Patent ↗There is provided a process for the preparation of a compound including the step of interesterifying in the presence of an enzyme catalyst (a) a first triglyceride compound and (b) a second triglyceride compound.
1. A process for the preparation of a compound of the formula
wherein one of R 1 , R 2 and R 3 is selected from groups R 6 , R 7 and R 8
wherein two of R 1 , R 2 and R 3 are independently selected from groups R 9 , R 10 and R 11 the process comprising the step of interesterifying in the presence of a lipase
(a) a triglyceride compound of the formula
wherein each of R 6 , R 7 and R 8 is independently selected from branched groups of the formula
wherein q is from 0 to 3, wherein each R 5 is independently selected from —OH and —O—C(O)—R 4
wherein n is from 10 to 21 and m is selected from 2n-q, 2n-2-q, 2n-4-q, and 2n-6-q,
wherein each R 4 is independently selected from alkyl, alkenyl and alkynyl groups containing z carbon atoms, wherein z is from 1 to 21,
and
(b) a triglyceride compound of the formula
wherein each of R 9 , R 10 and R 11 is independently selected from alkyl, alkenyl or alkynyl groups containing x carbon atoms, wherein each x is independently selected from 1 to 5.
2. A process according to claim 1 wherein the lipase is a 1,3 specific lipase.
3. A process according to claim 1 wherein z is different to at least one x.
4. A process according to claim 1 wherein each x is the same.
5. A process according to claim 1 wherein z is different to each x.
6. A process according to claim 1 wherein z and each x are equal.
7. A process according to claim 1 wherein each x is independently selected from 1 to 3.
8. A process according to claim 1 wherein each x is 1.
9. A process according to claim 1 wherein n is from 15 to 21.
10. A process according to claim 1 wherein n is from 15 to 19.
11. A process according to claim 1 wherein n is 17.
12. A process according to claim 1 wherein z is from 7 to 17.
13. A process according to claim 1 wherein z is from 7 to 15.
14. A process according to claim 1 wherein z is from 9 to 13.
15. A process according to claim 1 wherein z is 11.
16. A process according to claim 1 wherein each x is 1 and z is 11.
17. A process according to claim 1 wherein each x is 1, n is 17 and z is 1.
18. A process according to claim 1 wherein the compound is of the formula
19. A process according to claim 1 wherein the compound is of the formula
20. A process according to claim 1 wherein the compound is of the formula