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. 02, 1998
Filed:
Aug. 07, 1996
Applicant:
Inventors:
Klaus Urbahns, Wuppertal, DE;
Hans-Georg Heine, Krefeld, DE;
Bodo Junge, Wuppertal, DE;
Frank Mauler, Overrath, DE;
Thomas Glaser, Overath, DE;
Reilinde Wittka, Koln, DE;
Jean-Marie-Viktor De Vry, Rosrath, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514451 ; 514459 ; 514460 ; 549425 ; 549426 ; 549427 ; 549428 ;
Abstract
The substituted 4H-pyrans are prepared by reacting either aldehydes or ylidene compounds with suitably substituted .beta.-diketones. The substituted 4H-pyrans according to the invention are suitable as active compounds in medicaments, in particular for the treatment of disorders of the central nervous system.