US Patent Issued to MEIJI SEIKA PHARMA on Sept. 29 for "Method for producing benzoxazole derivative having bicyclic piperazine ring or salt thereof, and method for producing material thereof" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,247, issued on Sept. 29, was assigned to MEIJI SEIKA PHARMA Co. LTD. (Tokyo).

"Method for producing benzoxazole derivative having bicyclic piperazine ring or salt thereof, and method for producing material thereof" was invented by Takeshi Tsumura (Odawara, Japan), Satoshi Isshiki (Tokyo), Masayuki Okue (Odawara, Japan), Toshiro Sasaki (Odawara, Japan), Kenichi Fushihara (Odawara, Japan) and Shinsuke Mouri (Odawara, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing a compound represented by formula (1):or a salt thereof, comprising: a step B of producing a compound represented by formula (3): [in the formula (3), Boc repres...