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. 24, 1995
Filed:
Jun. 28, 1993
Applicant:
Inventors:
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ; C07D / ; C07D / ; A61K / ;
U.S. Cl.
CPC ...
544229 ; 544243 ; 544244 ; 544276 ; 544277 ; 544264 ; 544311 ; 544312 ; 544313 ; 544314 ; 544317 ; 544318 ; 544323 ; 544325 ; 544329 ; 514 63 ; 514 81 ; 514 86 ; 514258 ; 514269 ; 514274 ; 514303 ; 546118 ; 564460 ;
Abstract
Compounds of the formulae I and Ia and their racemates ##STR1## in which A is --CH.sub.2 -- or --CH.sub.2 CH.sub.2 --, R.sub.1 is hydrogen or a protective group, R.sub.2 is hydrogen or a protective group or a radical forming a phosphorus-containing nucleotide bridge group and B is a purine or pyrimidine radical or an analogue thereof, can be used as antiviral active ingredients or for the preparation of biologically active oligonucleotides.