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:
Nov. 12, 1985
Filed:
Jun. 29, 1982
Applicant:
Inventors:
Hiroshi Takaku, Chiba, JP;
Takeshi Noda, Kanagawa; both of, JP;
Assignee:
Sankyo Chemical Company, Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07H / ;
U.S. Cl.
CPC ...
536 24 ; 536 23 ;
Abstract
Process for the production of 4',5'-unsaturated nucleosides via a novel compound, 5'-Se-(2- or 4-nitrophenyl)-selenonucleoside, is disclosed, said selenonucleoside being represented by the formula ##STR1## wherein R is a hydrogen atom or a hydroxyl group, A is 2- or 4-nitrophenyl group and B is a base.