Patent ID: 7399880

Claim:
Process for esterification of farnesol in an initial mixture comprising alpha-bisabolol, farnesol and optionally other components, with the following steps: (a) Preparation or production of the initial mixture, and (b) addition of (i) a transesterification catalyst and (ii) one or more compounds of formula (B) R 2 Y n CO 2 R 1 B in which the following applies R 1 stands for an alkyl residue with 1 to 12 C atoms; R 2 stands for hydrogen, an alkyl residue with 1 to 20 C atoms, a cycloalkyl residue with 5 to 20 C atoms, an aryl residue with 6 to 20 C atoms or a heteroaryl residue with 5 to 20 C atoms; and Y stands for CH 2 , CH(Me), CH(Et), C(Me) 2 , CH 2 —CH(Me), CH(Me)-CH 2 or CH 2 —CH(Me)-CH 2 and n stands for a whole number from 0 to 6; or R 2 stands for a group CO 2 R 3 , R 3 standing for an alkyl residue with 1 to 12 C atoms; and Y stands for CH 2 , CH(Me), CH(Et), C(Me) 2 , CH 2 —CH(Me), CH(Me)-CH 2 or CH 2 —CH(Me)-CH 2 and n stands for a whole number from 0 to 8, or Y stands for an optionally substituted phenyl or naphthyl ring with a total of at most four substituents on the ring, n=1 applying.