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:
May. 02, 2023
Filed:
May. 09, 2018
Applicant:
Basf Agro B.v., Arnhem, NL;
Inventors:
Klaus Ditrich, Ludwigshafen, DE;
Michael Rack, Ludwigshafen, DE;
Stefan Benson, Ludwigshafen, DE;
Roland Goetz, Ludwigshafen, DE;
Helmut Kraus, Research Triangle Park, NC (US);
Assignee:
BASF AGRO B.V., Arnhem, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 493/08 (2006.01);
U.S. Cl.
CPC ...
C07D 493/08 (2013.01); C07B 2200/07 (2013.01);
Abstract
The present invention relates to a process for preparing optically active 1,4-cineole derivatives by enzymatic resolution and enantiomerically pure optically active 1,4-cineole derivatives of purity greater than 99.9% that have been prepared by this process. The present invention further relates to a process for preparing 7-oxabicyclo[2.2.1]heptane derivatives from the enantiomerically pure optically active 1,4-cineole derivatives.