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:
May. 06, 1986
Filed:
Jun. 13, 1984
Applicant:
Inventors:
Charles A Nichol, Durham, NC (US);
John F Reinhard, Jr, Durham, NC (US);
Gary K Smith, Raleigh, NC (US);
Eric C Bigham, Chapel Hill, NC (US);
Assignee:
Burroughs Wellcome Co., Research Triangle Park, NC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
544258 ; 544 / ;
Abstract
This invention provides the intermediates of formula II-A below, useful to make the pterin compounds of formula I below. The pterin compounds are used in human and veterinary medicine. ##STR1## wherein R represents a lower alkyl of 1 to 8 carbons.