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. 15, 2010
Filed:
Dec. 01, 2004
Gerhard Hamprecht, Weinheim, DE;
Michael Puhl, Lampertheim, DE;
Bernd Wolf, Fussgoenheim, DE;
Michael Keil, Freinsheim, DE;
Robert Reinhard, Ludwigshafen, DE;
Werner Seitz, Plankstadt, DE;
Guido Mayer, Goennheim, DE;
Gerhard Hamprecht, Weinheim, DE;
Michael Puhl, Lampertheim, DE;
Bernd Wolf, Fussgoenheim, DE;
Michael Keil, Freinsheim, DE;
Robert Reinhard, Ludwigshafen, DE;
Werner Seitz, Plankstadt, DE;
Guido Mayer, Goennheim, DE;
BASF Aktiengesellschaft, Luwigshafen, DE;
Abstract
A process is described for preparing 3-phenyl(thio)uracils or 3-phenyldithiouracils of the formula I, by reacting a phenyl iso(thio)cyanate of the formula II with an enamine of the formula III and, if appropriate, in a further step, the resulting 3-phenyl(thio)uracil or 3-phenyldithiouracil of the formula I where R=R, when R=hydrogen, is reacted with an aminating agent of the formula IV to give 3-phenyl(thio)uracils or 3-phenyldithiouracils of the formula I where R=amino where the variables R, R, R, R, R, X, X, X, Ar, A and L1 are each as defined in claim