ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,074, issued on April 22, was assigned to UBE Corp. (Yamaguchi, Japan).
"Method for producing amino acid derivatives" was invented by Masato Murai (Tokyo), Jun Takehara (Tokyo) and Daiki Okado (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention aims to provide a method for producing a (2S,5R)-5-(protected oxyamino)-piperidine-2-carboxylic acid derivative at a low cost that can be performed under mild reaction conditions not requiring a facility at an extremely low temperature, is safer, can control the quality of the desired product with ease, and shows good workability in the site of production. A method for producing a compou...