Patent ID: 11945788
Assignee: NURAY CHEMICALS PRIVATE LIMITED
Field: Organic fine chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 22:
23. The process of claim 17, further comprising reacting 3-(4-chlorophenyl)-propanol of Formula-(V) with Formula-(III), to obtain pitolisant;
wherein AG is selected from is selected from a methyl sulfonate, an ethylsulfonate, a phenylsulfonate, a tolylsulfonate, a p-nitrophenyl sulfonate, a benzyl sulfonate, a trifluoromethylacyl ester, a trichloromethylacyl ester, a phenylacyl ester, a p-nitro-phenylacyl ester, and a p-chloro-phenylacyl ester.