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:
Aug. 30, 1983
Filed:
Jul. 23, 1981
Applicant:
Inventors:
Klaus Weinges, Heidelberg, DE;
Herbert von der Eltz, Plankstadt, DE;
Hermann Jaggy, Bad Schonborn, DE;
Assignee:
Willmar Schwabe GmbH & Co., Karlsruhe, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
549396 ; 560121 ; 562503 ;
Abstract
Reactive iridoid derivates represented by the following general formula ##STR1## (wherein R represents a hydrogen atom, an alkyl group with 1 to 5 carbon atoms, an acyl group with 2 to 6 C atoms, an unsubstituted aralkyl group with 7 to 12 C atoms, a methanesulfonyl- or toluenesulfonyl group, a benzoyl-, a preferably para-substituted nitrobenzoyl- or chlorobenzoyl group, or a tetrahydropyranyl group), process for the manufacture of said derivatives starting from catapol as an easily obtainable natural substance and use of said derivatives as intermediates for the manufacture of prostanoids.