ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,232, issued on Dec. 2, was assigned to NANKAI UNIVERSITY (Tianjin, China).
"Method for preparing meta-functionalized pyridine compound" was invented by Xiaochen Wang (Tianjin, China), Zhong Liu (Tianjin, China), Jiahao He (Tianjin, China), Junjie Tian (Tianjin, China) and Xinyue Zhou (Tianjin, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for preparing a meta-functionalized pyridine compound is provided. The method has a first step, S1, for preparation of 1,4-dihydropyridine, involving: in a glove box filled with nitrogen, adding a catalyst, a solvent, pinacolborane and pyridine to a reaction flask in order and stirring the mixture at...