Intellectual Property India Publishes Patent Application for 'Selective Production Of Single Axially Chiral Compound' Filed by Astellas Pharma Inc.

MUMBAI, India, April 10 -- Intellectual Property India has published a patent application (202647041576 A) filed by Astellas Pharma Inc., Tokyo, on April 1, for 'selective production of single axially chiral compound.'

Inventor(s) include Yoshinari, Tomohiro; Imada, Sunao; Ishioka, Hiroki; Kawaguchi, Kenichi; Kawaminami, Eiji; Ohtaka, Junpei; and Hirose, Yuki.

The application for the patent was published on April 10, under issue no. 15/2026.

According to the abstract released by the Intellectual Property India: "As one embodiment, the present invention relates to a method for producing a compound of formula (I) or a salt thereof as defined in the specification. The production method includes a step for reacting a compound of formula (IIA) or a salt thereof with a compound of formula (IIIA) or a salt thereof or reacting a compound of formula (IIB) or a salt thereof with a compound of formula (IIIB) or a salt thereof to obtain a compound of formula (I) or a salt thereof. In the compound of formula (I), it is preferable that R4 is formula (VI) or (VII) and R5 is formula (VIII) or (IX) (each of the above formulas and R4 and R5 are defined in the specification)."

The patent application was internationally filed on Sept. 06, 2024, under International application No.PCT/JP2024/031959.

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