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.

Date of Patent:
Dec. 12, 2017

Filed:

May. 23, 2016
Applicants:

Bayer Intellectual Property Gmbh, Monheim, DE;

Bayer Cropscience Ag, Monheim, DE;

Inventors:

Taraneh Farida, Pulheim-Geyen, DE;

Berndt Maiwald, Burscheid, DE;

Martin Littmann, Leverkusen, DE;

Winfried Etzel, Leichlingen, DE;

Rafael Warsitz, Essen, DE;

Nicolas Henck, Bonn, DE;

Michael Esser, Leverkusen, DE;

Assignee:

BAYER INTELLECTUAL PROPERTY GMBH, Monheim am Rein, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 233/51 (2006.01); C07D 209/54 (2006.01); C07C 231/12 (2006.01); C07C 233/52 (2006.01); C07D 263/52 (2006.01);
U.S. Cl.
CPC ...
C07C 233/51 (2013.01); C07C 231/12 (2013.01); C07C 233/52 (2013.01); C07D 209/54 (2013.01); C07D 263/52 (2013.01); C07C 2601/14 (2017.05);
Abstract

The present invention relates to a novel process for preparing cis-alkoxy-substituted spirocyclic phenylacetylamino acid esters and cis-alkoxy-substituted spirocyclic 1H-pyrrolidine-2,4-dione derivatives, and also to novel intermediates and starting materials which are produced and/or used in the process according to the invention.


Find Patent Forward Citations

Loading…