US Patent Issued to MEIJI SEIKA PHARMA on Oct. 1 for "Processes for preparing a diazabicyclooctane compound" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 2 -- United States Patent no. 12,103,928, issued on Oct. 1, was assigned to MEIJI SEIKA PHARMA Co. LTD. (Tokyo).

"Processes for preparing a diazabicyclooctane compound" was invented by Takao Abe (Kanagawa, Japan), Takeshi Furuuchi (Kanagawa, Japan) and Yoshiaki Sakamaki (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for preparing a diazabicyclooctane compound represented by the following formula (I):wherein A represents RcO-; B represents NH or NC1-6 alkyl; C represents a benzyl group; Rc represents a C1-6 alkyl group; A is substituted with one substituent Fn1, wherein Fn1 represents an azetidine group; the process including: (a) silylating the compound repres...