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:
Sep. 02, 1980
Filed:
May. 15, 1979
Applicant:
Inventor:
Jacqueline Laforest, Vincennes, FR;
Assignee:
Albert Rolland S.A., Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; A61K / ;
U.S. Cl.
CPC ...
549 77 ; 2603473 ; 424275 ; 424285 ; 61K / ;
Abstract
The present invention relates to compounds having the formula: ##STR1## in which n is an integer from 1 to 4, A is selected from the group consisting of oxygen and sulfur and R.sub.1 and R.sub.2 are independently selected from the group consisting of hydrogen and C.sub.1-4 alkyl. These compounds are useful for the preparation of corresponding amino derivatives.