Intellectual Property India Publishes Patent Application for Improved Synthetic Method For 6-Acetyl-8-Cyclopentyl-5-Methyl-2-Substituent-Pyrido[2,3-D]pyrimidin-7(8h)-One, A Key Intermediate In The Manufacture Of Palbociclib

MUMBAI, India, Sept. 28 -- Intellectual Property India has published a patent application (202511018215 A) filed by Council Of Scientific And Industrial Research An Indian on February 28, 2025, for Improved Synthetic Method For 6-Acetyl-8-Cyclopentyl-5-Methyl-2-Substituent-Pyrido[2,3-D]pyrimidin-7(8h)-One, A Key Intermediate In The Manufacture Of Palbociclib.

Inventors include Indubhusan Deb; Moumita Saha; Koushik Naskar; and Writhabrata Sarkar.

The application for the patent was published on September 25, 2026, under issue no. 39/2026.

Abstract: The present invention offers an environmentally friendly, expensive metal-free, cost-effective, and safe easy to handle synthetic process to synthesize a key intermediate 6-acetyl-2-chloro-8-cyc...