Intellectual Property India Publishes Patent Application for 'Novel Process For The Preparation Of (R)-3-(4-(7h-Pyrrolo[2,3d]Pyrimidin-4-Yl)-1h-Pyrazol-1-Yl)-3- Cyclopentylpropanenitrile Or A Salt Thereof' Filed by MSN Laboratories Private Limited, R&D Center

MUMBAI, India, March 14 -- Intellectual Property India has published a patent application (202441067641 A) filed by MSN Laboratories Private Limited, R&D Center, Hyderabad, Telangana, on Sept. 6, 2024, for 'novel process for the preparation of (r)-3-(4-(7h-pyrrolo[2,3d]pyrimidin-4-yl)-1h-pyrazol-1-yl)-3- cyclopentylpropanenitrile or a salt thereof.'

Inventor(s) include Srinivasan Thirumalai Rajan; M Ramakrishna; and Chandrakanth Rao Sirigiri.

The application for the patent was published on March 13, under issue no. 11/2026.

According to the abstract released by the Intellectual Property India: "Novel process for the preparation of (R)-3-(4-(7H-pyrrolo[2,3d] pyrimidin-4-yl)-1H-pyrazol-1-yl)-3-cyclopentylpropanenitrile or a salt thereof. The present invention relates to a novel process for the preparation of (R)-3-(4-(7H-pyrrolo[2,3d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-3-cyclopentylpropanenitrile or a salt thereof, which is referred to as Ruxolitinib and represented by the following structural formulae, Formula-1."

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