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:
Jun. 26, 2007
Filed:
May. 12, 2003
Applicant:
Jörn Stölting, Köln, DE;
Inventor:
Jörn Stölting, Köln, DE;
Assignee:
Bayer CropScience AG, Monheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 319/14 (2006.01); C07C 323/25 (2006.01); C07D 277/74 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a novel process for the preparation of compounds of the formula (I) by reacting in a first step amino alcohols of the formula (II) with oleum to give sulphuric acid esters of the general formula (III) and by reacting these sulphuric acid esters in a second step with mercaptans or salts thereof of the general formula (IV)RSM   (IV)wherein in each formula, where applicable, R, R, R, R, R, R, R, n and M have the meanings given in the disclosure,in the presence of a diluent and in the presence of a base.