Alkoxycarbonylation of trivinylcyclohexane

1. A process for preparing trivinylcyclohexane triesters comprising the process steps of:

a) initially charging one of the compounds (i), (ii), (iii) or a mixture of at least two of these compounds:

b) adding the ligand (L) and a compound comprising Pd,

or adding a complex comprising Pd and the ligand (L):

c) adding an alcohol having 1 to 12 carbon atoms;

d) feeding in CO;

e) heating the reaction mixture of a) to d), wherein the compound/the mixture of a) is converted to a trivinylcyclohexane triester.

2. The process according to claim 1 ,

wherein the compound (i) is initially charged in process step a).

3. The process according to claim 1 ,

wherein the compound (ii) is initially charged in process step a).

4. The process according to claim 1 ,

wherein the alcohol in process step c), besides the oxygen, does not comprise any further heteroatoms and contains no multiple bonds.

5. The process according to claim 1 ,

wherein the alcohol in process step c) is selected from:

methanol, ethanol, n butanol, methylpropanol, n pentanol, iso pentanol, 2-methylbutanol, 3-methylbutanol, n hexanol, iso hexanol, n heptanol, iso heptanol, n octanol, iso octanol, 2-ethylhexanol, n nonanol, iso nonanol, n decanol, iso decanol, or 2-propylheptanol.

6. The process according to claim 1 ,

wherein the alcohol in process step c) is methanol.

7. The process according to claim 1 ,

wherein CO is fed in in process step d) up to a pressure in the range from 20 bar to 60 bar.

8. The process according to claim 1 ,

wherein the heating in process step e) is carried out at a temperature in the range from 90° C. to 130° C.

9. The process according to claim 1 ,

comprising the additional process step f):

f) purifying the trivinylcyclohexane triester.

10. A process comprising the process steps of:

a) initially charging one of the compounds (i), (ii), (iii) or a mixture of at least two of these compounds:

b) adding the ligand (L) and a compound comprising Pd,

or adding a complex comprising Pd and the ligand (L):

c) adding an alcohol having 1 to 12 carbon atoms;

d) feeding in CO;

e) heating the reaction mixture of a) to d), wherein the compound/the mixture of a) is converted to a triester;

f) purifying the triester; and

g) reacting the purified triester with NaOMe and H 2 to give the triol.

11. The process according to claim 10 ,

wherein the reaction in process step g) is catalyzed with Ru-MACHO-BH.

12. The process according to claim 10 ,

wherein the reaction in process step g) is carried out at a H 2 pressure in the range of 30 bar to 70 bar.

13. The process according to claim 10 ,

wherein the re Currently Amended action in process step g) is carried out at a temperature in the range from 80° C. to 120° C.