US Patent Issued to SANOFI on March 17 for "Methods of preparing N 6 -((2-azidoethoxy)carbonyl)lysine" (California Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,197, issued on March 17, was assigned to SANOFI (Paris).

"Methods of preparing N 6 -((2-azidoethoxy)carbonyl)lysine" was invented by Hans Aerni (San Diego), Randall Scheuerman (Santa Clara, Calif.), Nikolai F. Sepetov (Santa Clara, Calif.) and Alexander V. Shirokov (Santa Clara, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are methods of preparing N6-((2-azidoethoxy)carbonyl)lysine, N6-((2-azidoethoxy)carbonyl)-L-lysine, and N6-((2-azidoethoxy)carbonyl)-D-lysine. Also disclosed herein are the compounds tert-butyl N2-(tert-butoxycarbonyl)-N6-((2-chloroethoxy)carbonyl)-L-lysinate and tert-butyl N6-((2-azidoethoxy)carbonyl)-N...