| Patent Number |
Title Of Patent |
Date Issued |
| 6559318 |
Method for producing (2S,4R,9S)-octahydro-1H-indole-2-carboxylic acid and intermediate products |
May 6, 2003 |
| Described is a process for the preparation of (2S, 4R, 9S)-octahydro-1H-indole-2-carboxylic acid, comprising a) reacting a compound of the formula I |
| 6465223 |
Enzyme-catalyzed racemic cleavage of primary amines |
October 15, 2002 |
| The present invention relates to a process for resolving racemates of alkoxy-substituted primary amines by reacting with an ester in the presence of a lipase and subsequently separating the optically active amide which is formed from the unreacted optically active amine. This is foll |
| 6214608 |
Resolution of racemates of primary and secondary heteroatom-substitued amines by enzyme-catalyze |
April 10, 2001 |
| A process for preparing optically active primary and secondary heteroatom-substituted amines from the corresponding racemates, which comprisesa) enantioselective acylation of a racemic heteroatom-substituted amine with an ester whose acid component carries a fluorine, nitrogen, phosp |
| 6160178 |
Racemization of optically active amines |
December 12, 2000 |
| Optically active amines are racemized by reaction of the optically active amine in the gas phase at elevated temperature in the presence of hydrogen and a hydrogenation or dehydrogenation catalyst. |
| 6153797 |
Racemizing of optically active amines |
November 28, 2000 |
| In a process for racemizing optically active amines by reacting the optically active amine in the presence of hydrogen and a hydrogenation or dehydrogenation catalyst at elevated temperature, the reaction is carried out in liquid phase and the catalyst comprises the catalytically active |
| 6049007 |
Racemization of optically active amines |
April 11, 2000 |
| A process for the preparation of racemic amines of the formula I ##STR1## where R.sup.1 and R.sup.2 are different and R.sup.1, R.sup.2, R.sup.3 are alkyl, cycloalkyl, arylalkyl, aryl, heteroaryl and heterocyclic radicals and R.sup.3 can also be hydrogen, where the radicals can bear s |
| 5872296 |
Synthesis of optically active aminoindanol |
February 16, 1999 |
| A process for preparing enantiomerically pure cis-1-amino-2-hydroxyindane, which comprisesa) converting racemic trans-1-aminoindan-2-ol with acids or acid derivatives of the general formula RCOX by conventional methods into amides of type A ##STR1## b) adding seed crystals of one |
| 5728876 |
Resolution of the racemates of primary and secondary amines by enzyme-catalyzed acylation |
March 17, 1998 |
| A process for producing optically active primary and secondary amines from the corresponding racemates is characterised in that (a) a racemic amine is enantioselectively acylated in the presence of a hydrolase with an ester whose acid component bears a fluorine, nitrogen, oxygen or sulph |
| 5716905 |
Saccharin derivatives |
February 10, 1998 |
| Saccharin derivatives of the formula I ##STR1## where the substituents have the following meanings: L and M are hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkylthio, chlorine, cyano, methylsulfonyl, nitro or trifluoromethyl;Z is hydrogen, C.sub.1 - |
| 5559218 |
2-aroylcyclohexanediones and their use as herbicides or plant growth-regulating agents |
September 24, 1996 |
| 2-Aroylcyclohexanediones I ##STR1## (A is C.sub.1 -C.sub.6 -alkylene; R.sup.1 is substituted phenyl or hetaryl which may furthermore carry a fused ring; R.sup.2 -R.sup.5 are each hydrogen or C.sub.1 -C.sub.4 -alkyl; R.sup.6 is H, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkox |
