Patent ID: 11905292
Assignee: INCYTE CORPORATION
Field: Organic fine chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 2:
3. The process of claim 2, wherein the chiral salt is prepared by reacting the compound of formula 3 with an optically active form of an acid selected from mandelic acid, 2-chloromandelic acid, camphorsulfonic acid, tartaric acid, lactic acid, malic acid, 3-bromocamphor-8-sulfonic acid, 3-bromocamphor-10-sulfonic acid, 10-camphorsulfonic acid, dibenzoyl tartaric acid, di-p-toluoyltartaric acid, 2-amino-7,7-dimethylbicyclop[2,2,1]heptan-1-methylene sulfonic acid, and 2-acrylamide-7,7-dimethylbicyclo[2,2,1] heptan-1-methylene sulfonic acid.