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. 25, 2017
Filed:
Aug. 27, 2013
Basf SE, Ludwigshafen, DE;
Max-planck-gesellschaft Zur Foerderung Der Wissenschaften E.v., Munich, DE;
Henrike Wonneberger, Mannheim, DE;
Helmut Reichelt, Neustadt, DE;
Yulian Zagranyarski, Sofia, BG;
Chen Li, Cologne, DE;
Klaus Muellen, Cologne, DE;
Long Chen, Mainz, DE;
BASF SE, Ludwigshafen, DE;
Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V., Munich, DE;
Abstract
The present invention provides the compounds of formulae (3) and (1) wherein n is 0 or 1, Rand Rare the same or different and are selected from the group consisting of NHR, NRR, OR, SRand R, or Rand Rtogether are selected from the group consisting of (a), (b) and (c), and X is CI, Br of I, and a process for the preparation of compounds of formula (3) comprising the compounds of formula (1) as key intermediates.