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:
Feb. 22, 1977
Filed:
Jun. 25, 1975
Walter VONBebenburg, Buchschlag, DT;
Heribert Offermanns, Grossauheim, DT;
Deutsche Gold- und Silber-Scheideanstalt vormals Roessler, Frankfurt, DT;
Abstract
There are produced 6-aza-3H-1,4-benzodiazepines and 6-aza-1,2-dihydro-3H-1,4-benzodiazepines of the formula: ##STR1## wherein R.sub.1 is the group --NR.sub.a R.sub.b or --NR.sub.a R.sub.b R.sub.c halide and R.sub.a and R.sub.b are the same or different and are hydrogen, alkyl groups of 1 to 6 carbon atoms, or alkyl groups of 1 to 6 carbon atoms substituted by hydroxy, phenyl or a carboxy group, and R.sub.c can be as defined for R.sub.a and R.sub.b except it cannot be hydrogen and wherein the group --NR.sub.a R.sub.b also can be a saturated closed 5, 6 or 7 membered ring which in a given case has a further oxygen atom or nitrogen atom or contains a nitrogen atom substituted with an alkyl group having 1 to 4 carbon atoms;