US Patent Issued on July 14 for "Method for the preparation of sulfinpyrazone" (Chinese Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,679,810, issued on July 14.

"Method for the preparation of sulfinpyrazone" was invented by Yu Feng (Jiaxing, China), Wei Qian (Jiaxing, China), Yanping Xu (Jiaxing, China), Liyan Gao (Jiaxing, China), Weihui Zhong (Jiaxing, China), Fei Ling (Jiaxing, China) and Tao Liu (Jiaxing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure discloses a method for the preparation of sulfinpyrazone, which is produced in two steps with a total yield of 48%, wherein thiophenol as the starting material is electrocatalytically coupled with dichloroethane to obtain 2-chloroethyl phenyl sulfoxide, which then undergoes a substitution reaction with 1...