Waldemar Pfrengle, Biberach DE
Waldemar Pfrengle, Biberach DE
Patent application number | Description | Published |
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20090192314 | PROCESS FOR THE PREPARATION OF CHIRAL 8-(3-AMINOPIPERIDIN-1YL)-XANTHINES - The invention relates to an improved process for preparing enantiomerically pure 8-(3-aminopiperidin-1-yl)-xanthines. | 07-30-2009 |
20100210842 | PROCESS FOR PREPARING - The present invention relates to a method of preparing compounds of general formula I | 08-19-2010 |
20110046395 | PROCESS FOR THE MANUFACTURE OF A 6-FLUORO-1,2-DIHYDRO-2-OXO-3H-INDOL-3-YLIDENE DERIVATIVE - The present invention relates to a process for the manufacture of the compound 4-[(Z)-[[4-[(dimethylamino)methyl]phenyl]amino](6-fluoro-1,2-dihydro-2-oxo-3H-in-dol-3-ylidene)methyl]-benzenepropanoic acid and to a new intermediate for the synthesis. | 02-24-2011 |
20110130437 | SALT FORMS OF A 6-FLUORO-1,2-DIHYDRO-2-OXO-3H-INDOL-3-YLIDENE DERIVATIVE, PROCESS FOR THEIR MANUFACTURE AND PHARMACEUTICAL COMPOSITIONS CONTAINING SAME - The present invention relates to salt forms of the compound 4-[(Z)-[[4-[(dimethylaminoJmethyllphenyllaminolCe-fluoro-1,2-dihydro2-oxo-3H-indol-3-ylidene)methyl]-benzenepropanoic acid which are suitable for pharmaceutical development and to a process for their manufacture. | 06-02-2011 |
20110301350 | PROCESS FOR PREPARING CYCLOALKYL-SUBSTITUTED PIPERAZINE COMPOUNDS - The present invention relates to a process for preparing compounds of general formula I | 12-08-2011 |
20120116080 | PROCESS FOR THE STEREOSELECTIVE PREPARATION OF BICYCLIC HETEROCYCLES - The present invention relates to a process for the stereoselective preparation of compounds of general formula (I) | 05-10-2012 |
20120142712 | 8-(3-AMINO-PIPERIDIN-1-YL)-XANTHINES, THEIR PREPARATION, AND THEIR USE AS PHARMACEUTICALS - The invention relates to 8-[3-amino-piperidin-1-yl]-xanthines and the physiologically acceptable salts thereof, particularly the hydrochlorides thereof. | 06-07-2012 |