MUMBAI, India, Nov. 14 -- Intellectual Property India has published a patent application (202517095159 A) filed by Remegen Co. Ltd., Shandong, China, on Oct. 3, for 'preparation method for intermediate of auristatin derivative.'

Inventor(s) include Wang, Lixin; Gao, Jinwei; Zhong, Cheng; Tang, Haizhou; Ye, Hui; Zhao, Hongyan; and Zhu, Marie M.

The application for the patent was published on Nov. 14, under issue no. 46/2025.

According to the abstract released by the Intellectual Property India: "Provided in the present invention is a process route for preparing an intermediate of an auristatin derivative. Compared with the prior art, said process route effectively avoids using norephedrine in the synthesis path; and in addition, said proc...