The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 02, 1990
Filed:
Jun. 13, 1989
Applicant:
Inventors:
Kuniki Kato, Yono, JP;
Tomohisa Takita, Asaka, JP;
Shigeru Nishiyama, Yokohama, JP;
Shosuke Yamamura, Yokohama, JP;
Assignee:
Nippon Kayaku Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
549510 ;
Abstract
The present invention relates to an oxetane derivative represented by the general formula (I): ##STR1## wherein R.sub.1 and R.sub.2 are each an acyl group and R.sub.3 is a hydrogen atom or a lower alkyl group, which is useful as an intermediate for the preparation of a compound having a (bishydroxymethyl)oxetane structure in its saccharide moiety, for example, oxetanosine, and a process for the preparation of the same.