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Inventor: Roschenthaler; Gerd-Volker
Address: Bremen, DE
No. of patents: 4
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7078393 |
Method of producing 1-hydroxy-1,1-diphosphonic acid compounds |
July 18, 2006 |
| In a method for preparing 1-hydroxy-1,1-diphosphonic acid compounds of the general formula I and/or of their pharmacologically compatible salts ##STR00001## a compound of the formula II ##STR00002## is reacted with a compound P(OSiR.sup.5.sub.3).sub.3-pR.sup.6.sub.p and the reaction |
| 7045662 |
.alpha., .alpha.-difluoroamines and difluoromethylene-.alpha., .alpha.-diazo compounds |
May 16, 2006 |
| The present invention relates to a process for preparing .alpha.,.alpha.-difluoroamines, difluoromethylene-.alpha.,.alpha.-diazo compounds and fluorination reagents containing .alpha.,.alpha.-difluoroamines and/or difluoromethylene-.alpha.,.alpha.-diazo compounds. |
| 6875894 |
Bis(alkylthio)carbenium salts |
April 5, 2005 |
| The invention relates to bis(alkylthio)carbenium salts of the formula I ##STR1##with the stated definitions for R.sup.1, R.sup.2, R.sup.3 and Y.sup.-,and to a process for the preparation thereof. The compounds according to the invention are advantageously suitable as electrophilic reagents f |
| 6872861 |
Process for preparing polyfluoroalkylithium compounds |
March 29, 2005 |
| The invention relates to a process for preparing polyfluoroalkyl-lithium compounds by deprotonation of polyfluoroalkyl compounds by means of lithium bases. |
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