Patents by Inventor Akiko Idei

Akiko Idei has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for preparing optically active trans-3-phenylglycidamide compounds
    Patent number: 5883264
    Abstract: Process for preparing optically active trans-3-phenylglycidamide compound, which comprises subjecting racemic trans-3-phenylglycidamide compound of the formula (I) ##STR1## wherein Ring A is substituted or unsubstituted benzene, and R.sup.1 is H or lower alkyl, to optical resolution using a microorganism having ability of preferentially hydrolyzing one of (2S,3R) isomer or (2R,3S) isomer thereof, and process for preparing an optically active 1,5-benzothiazepine derivative from the thus-obtained optically active trans-3-phenylglycidamide compound.
    Type: Grant
    Filed: March 6, 1997
    Date of Patent: March 16, 1999
    Assignee: Tanabe Seiyaku Co., Ltd.
    Inventors: Hiroaki Matsumae, Akiko Idei, Takuo Nishida, Yasuhiko Ozaki, Takeji Shibatani