Intellectual Property India Publishes Patent Application for 'A Process For The Preparation Of (3r,4r)-1-Benzyl-N,4-Dimethyl Piperidin-3-Amine Dihydrochloride' Filed by Optimus Drugs Pvt. Ltd.

MUMBAI, India, Sept. 5 -- Intellectual Property India has published a patent application (202441015223 A) filed by Optimus Drugs Pvt. Ltd., Optimus Drugs Pvt Ltd 7th Floor, Maximus Towers, 2A, /00, Raheja Mindspace IT Park, Madhapur, Hyderabad, Telangana, on Feb. 29, 2024, for 'a process for the preparation of (3r,4r)-1-benzyl-n,4-dimethyl piperidin-3-amine dihydrochloride.'

Inventor(s) include Dr. N. A. Vekariya; Peketi, Subba Reddy; and Pitchi Reddy Chaganti.

The application for the patent was published on Sept. 5, under issue no. 36/2025.

According to the abstract released by the Intellectual Property India: "The present invention relates to a process for the preparation of (3R,4R)-1 Benzyl N,4 dimethylpiperidin 3 amine dihydrochloride (VI), a key intermediate in the synthesis of Tofacitinib citrate. The invention further provides an improved process for preparing (3R,4R)-1 Benzyl N,4 dimethylpiperidin 3 amine dihydrochloride (VI) with enhanced yield and purity."

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