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:
Apr. 27, 1982
Filed:
Nov. 24, 1978
Applicant:
Inventors:
Marc Montavon, Basel, CH;
Roland Reiner, Basel, CH;
Assignee:
Hoffmann-La Roche Inc., Nutley, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
544027 ; 424246 ; 544 21 ; 544 26 ;
Abstract
Acyl derivatives of the formula ##STR1## wherein R signifies hydrogen or a protective group which can be split off, R.sup.1 signifies lower alkyl and X signifies the group ##STR2## wherein one of the residues R.sup.2 and R.sup.3 represents hydrogen and the other represents alkyl and R.sup.4 represents lower alkyl the easily hydrolyzable esters and ethers thereof, the salts and hydrates of the above compounds, esters, ethers and salts.