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:
Mar. 01, 1977
Filed:
Dec. 14, 1973
Applicant:
Inventors:
Assignee:
Deutsche Gold- und Silber-Scheideanstalt vormals Roessler, Frankfurt (Main), DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
2604 / ; 260463 ; 260469 ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 2605 / ; 2605 / ; 2605 / ; 424300 ; 424301 ; 424308 ; 424311 ; 424312 ; 424314 ; 424324 ;
Abstract
Compounds of the formula ##STR1## wherein Ar is phenyl or naphthyl, X is oxygen or the group ##STR2## Y is substituted or unsubstituted alkylene of 1-4 carbon atoms, R.sub.1 is acyloxy, acyloxyalkoxy, acylamino or is --N(Alkyl)(Acyl, R.sub.4 is hydrogen or lower alkyl, R.sub.5 is hydrogen, lower alkyl or acyl, and R.sub.2, R.sub.3, R.sub.6 and R.sub.7 are the same or different and are hydrogen, halogen, hydroxy, lower alkoxy, acyloxy, amino, alkylamino, dialkylamino, acylamino, nitro, lower alkyl, lower halogeno alkyl, or lower alkylthio,