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:
Jul. 16, 1996
Filed:
Dec. 15, 1994
Applicant:
Inventors:
Khashayar Karimian, Brantford, CA;
Bruno K Radatus, Brantford, CA;
Assignee:
ACIC (Canada) Inc., Brantford, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07H / ; A61K / ;
U.S. Cl.
CPC ...
536 285 ; 514 49 ;
Abstract
Compounds of Formula IV: ##STR1## are described. In the compounds of Formula IV, R.sup.6 is selected from a trifluoromethyl group, a C.sub.1 -C.sub.6 alkyl group and a C.sub.6 -C.sub.9 aryl group, and R.sup.1 is selected from hydrogen, trityl, methoxytrityl, dimethoxytrityl, acetyl, a C2-C6 alkylacyl group, a C6-C9 arylacyl group, allyl, 2,2,2-trichloroethyl, phosphates and salts thereof, tosyl and mesyl. The above organosulfonyl salts of 2,3'-O-cyclocytidine are intermediates in the preparation of 1-(B-D-xylopentofuranose)cytosine, an inhibitor of DNA synthesis.