Patent ID: 8415508

Claim:
A process for the preparation of a compound according to the following general formula (I): wherein R 1 ═C 1-20 alkyl, C 2-20 alkenyl, C 2-20 alkynyl, C 2-20 organohalide, an aryl, an amine or amide group; n=1; and the hydroxyl group occurs at position 3 on the aromatic ring; said process comprising: (a) performing an asymmetric catalytic reduction on a hydroxyphenone according to the following general formula (II): wherein R 1 ═C 1-20 alkyl, C 2-20 alkenyl, C 2-20 alkynyl, C 2-20 organohalide, an aryl, an amine or amide group; n=1; and the hydroxyl group occurs at position 3 on the aromatic ring; and wherein said asymmetric catalytic reduction is performed using transfer hydrogenation, and wherein said asymmetric catalytic reduction is performed using a chiral metal catalyst.