| Patents for C07B 55 - Racemisation; Complete or partial inversion (688) |
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| 02/15/2001 | CA2379047A1 Nitroxy derivatives of (r) and (s)-carnitine |
| 01/31/2001 | CN1281860A External compensation method of atropisomerism bis (phosphine oxide) compound |
| 01/24/2001 | CN1280981A Racemization of R,S-dioxo-benzyl pyrrolopiperidine |
| 01/11/2001 | DE19931115A1 Racemisierung von R, S-Dioxo-Benzylpyrrolopiperidin Racemization of R, S-dioxo-Benzylpyrrolopiperidin |
| 01/10/2001 | EP1067133A1 Process for the racemization of atropisomeric bis (phosphine oxide) compounds |
| 01/10/2001 | EP1067129A1 Racemisation of R,S-dioxo-benzylpyrrolopipieridine |
| 01/06/2001 | CA2313306A1 Racemization of r,s-dioxo-benzylpyrrolopiperidine |
| 12/12/2000 | US6160178 Racemization of optically active amines |
| 12/05/2000 | US6156900 Racemization of precursors to levobupivacaine and analogues thereof |
| 11/28/2000 | US6153797 Catalytic racemization of amines with hydrogenation and dehydrogenation with catalysts and heating with alumina, zirconia, titania and silica |
| 10/25/2000 | CN1271340A Process for recycle of waste product of diltiazem synthesis |
| 10/04/2000 | EP1041063A1 Process for preparation of (S)-oxetine enantiomers |
| 10/04/2000 | EP0923534B1 Process for preparing racemic phenethylamines |
| 09/23/2000 | CA2266299A1 Process for preparation of (s)-oxetine enantiomers |
| 09/05/2000 | US6114523 Process for the recycle of a waste product of diltiazem synthesis |
| 08/17/2000 | WO2000047546A1 Method for the racemization of optically active amines |
| 08/17/2000 | WO2000047545A1 Method for the racemization of optically active amines |
| 08/17/2000 | DE19905838A1 Verfahren zur Racemisierung von optisch aktiven Aminen A process for the racemization of optically active amines |
| 08/17/2000 | DE19905837A1 Verfahren zur Racemisierung von optisch aktiven Aminen A process for the racemization of optically active amines |
| 08/09/2000 | EP1025080A1 Process for the recycle of a waste product of diltiazem synthesis |
| 06/29/2000 | WO2000037438A1 Novel thio-aminotetralin compounds useful in pain management |
| 06/21/2000 | CN1053669C Processfor preparing [L]- or [D]-homoalamin-4 YL-(methyl phosphinic acid and its salts by racemic resolution |
| 06/13/2000 | US6075156 Cycloaddition reaction cyclopentadiene and vinyl acetate, also generating a pressure above 4 atmospheres, then esterifying with a carboxylic acid, biotransformation with an enzyme |
| 06/02/2000 | WO2000031003A1 Process for converting an alcohol to the corresponding fluoride |
| 05/25/2000 | WO2000029357A1 Method for racemization of optically active amines |
| 05/09/2000 | US6060622 Methods of reproducing lactic acid components by using lactic acid based by-products |
| 04/11/2000 | US6049007 Racemization of optically active amines |
| 04/04/2000 | US6046351 Process for preparing racemic phenethylamines |
| 02/15/2000 | US6025487 Reacting 2-(4-azetidin-2-one)-cyclohexanone derivatives with sterically hindered organic base in presence of lewis acid |
| 02/03/2000 | WO2000005196A1 α-AMINO ACID PHENYL ESTER DERIVATIVES |
| 02/03/2000 | CA2337945A1 .alpha.-amino acid phenyl ester derivatives |
| 01/13/2000 | WO2000001689A1 Process for producing (8- chloro-3,10- dibromo-6,11- dihydro- 5h-benzo [5,6]cyclohepta [1,2-b]pyridin-11-yl)- 1-piperidine |
| 01/13/2000 | CA2335967A1 Process for producing (8- chloro-3,10- dibromo-6,11- dihydro- 5h-benzo ¬5,6|cyclohepta ¬1,2-b|pyridin-11-yl)- 1-piperidine |
| 12/14/1999 | US6002045 Racemisation of amines |
| 08/18/1999 | CN1226228A Process for preparing preparing racemic phenethylamines |
| 06/30/1999 | EP0925267A1 Racemization process for optically active carboxylic acids or salts or esters thereof |
| 06/23/1999 | EP0923534A1 Process for preparing racemic phenethylamines |
| 04/29/1999 | WO1999020603A1 Process for the recycle of a waste product of diltiazem synthesis |
| 04/29/1999 | CA2304371A1 Process for the recycle of a waste product of diltiazem synthesis |
| 03/30/1999 | US5889186 Resolution using fluidized bed chromatography |
| 02/09/1999 | US5869668 Processes for preparing L!- or D!-homoalanin-4-yl-(methyl) phosphinic acid and salts thereof by racemate resolution |
| 02/03/1999 | EP0748325B1 Process for preparing [l]- or [d]-homoalanin-4-yl-(methyl)phosphinic acid and its salts by racemic resolution |
| 12/08/1998 | US5847215 Racemization of optically active amines |
| 12/08/1998 | US5847202 Racemization process for optically active carboxylic acids or salts or esters thereof |
| 12/02/1998 | EP0880497A1 Racemisation of quaternary chiral centers |
| 10/28/1998 | EP0873299A1 Racemisation of amines |
| 10/28/1998 | EP0873290A1 Process for racemization of n-acetyl-d(l)-alpha-aminocarboxylic acids |
| 10/21/1998 | EP0871635A1 Isomerisation process |
| 10/13/1998 | US5821369 Racemisation process |
| 07/28/1998 | US5786484 Racemization and asymmetric transformation processes used in the manufacture of levobupivacaine and analogues thereof |
| 06/16/1998 | US5767309 Precipitation of one distereoisomers |
| 05/26/1998 | US5756731 Process for preparation of (-)3(S)-methylbenzoxazine derivative |
| 05/20/1998 | EP0842139A1 THE PREPARATION OF CHIRAL CYCLOALKANOLS SUCH AS endo-5-NORBORNEN-2-OL |
| 03/03/1998 | US5723672 Forming imine from amine and aldehyde then hydrolysis |
| 03/03/1998 | US5723625 Process for the production of specific isomer mixtures from oxindole alkaloids |
| 02/03/1998 | US5714602 Decarboxylation of gluconic acid; hydrogenating arabinose; isomerizing arabinitol; separation |
| 01/29/1998 | WO1998003465A1 Process for preparing racemic phenethylamines |
| 01/29/1998 | DE19629692A1 Verfahren zur Herstellung von racemischen Phenethylaminen A process for the preparation of racemic phenethylamines |
| 12/31/1997 | CN1168882A Racemization of optically active amines |
| 12/18/1997 | WO1997047572A1 Racemization process for optically active carboxylic acids or salts or esters thereof |
| 12/18/1997 | CA2258085A1 Racemization process for optically active carboxylic acids or salts or esters thereof |
| 12/17/1997 | CN1168134A Racemisation process for use in manufacture of levobupivacaine and related piperidinecarboxanilide anaesthetic agents |
| 11/05/1997 | EP0804417A1 Racemisation process for use in the manufacture of levobupivacaine and related piperidinecarboxanilide anaesthetic agents |
| 09/24/1997 | CN1160040A Process for racemization of optically active 1-phenylethylamine derivative |
| 09/23/1997 | US5670653 Process for the manufacture of (4,5)-trans-oxazolidines |
| 09/10/1997 | CN1159184A Racemisation and asymmetric transformation process used in manufacture of levobupivacaine and analogues thereof |
| 08/27/1997 | EP0791569A1 Process for the razemization of optically active amines |
| 08/14/1997 | WO1997029080A1 Racemisation of quaternary chiral centers |
| 08/14/1997 | CA2242572A1 Racemisation of quaternary chiral centers |
| 07/23/1997 | EP0784603A2 Racemisation of precursors to levobupivacaine and analogues thereof |
| 07/09/1997 | EP0782569A1 Racemisation and asymmetric transformation processes used in the manufacture of levobupivacaine and analogues thereof |
| 06/25/1997 | CN1152570A Novel process for manufacture of (4,5)-trans-oxazolidines |
| 06/19/1997 | WO1997021662A1 Racemisation of amines |
| 06/19/1997 | WO1997021650A1 Process for racemization of n-acetyl-d(l)-alpha-aminocarboxylic acids |
| 06/19/1997 | DE19546531A1 Verfahren zur Racemisierung von N-Acetyl-D(L)-alpha-aminocarbonsäuren A process for the racemization of N-acetyl-D (L) -alpha-amino carboxylic acids |
| 06/18/1997 | EP0779261A1 Continuous process for racemization of benzylic alcohols, ethers, and esters by solid acid catalyst |
| 06/14/1997 | CA2165125A1 Continuous process for racemization of benzylic alcohols, ethers, and esters by solid acid catalyst |
| 06/11/1997 | EP0778260A1 Process for racemization of optically active 1-phenylethylamine derivatives |
| 05/07/1997 | EP0771792A1 Process for the preparation of (4,5)-trans-oxazolidine derivatives |
| 05/07/1997 | EP0624151B1 Racemization process |
| 02/20/1997 | WO1997006174A1 Isomerisation process |
| 02/20/1997 | CA2228513A1 Isomerisation process |
| 02/19/1997 | CN1143369A Process for preparing |L¨-or|D¨-homoalanin-4-YL-(methyl) phosphinic acid and its salts by racemic resolution |
| 02/13/1997 | WO1997005093A1 THE PREPARATION OF CHIRAL CYCLOALKANOLS SUCH AS endo-5-NORBORNEN-2-OL |
| 02/13/1997 | CA2220726A1 The preparation of chiral cycloalkanols such as endo-5-norbornen-2-ol |
| 12/18/1996 | EP0748325A1 Process for preparing [l]- or [d]-homoalanin-4-yl-(methyl)phosphinic acid and its salts by racemic resolution |
| 11/13/1996 | EP0741727A1 PROCESS FOR ISOMERIZATION OF SPIROCYCLIC COMPOUNDS WITH $g(b)-AMINOCARBOXYL AND/OR $g(b)-AMINOCARBONYL SYSTEMS |
| 10/09/1996 | EP0549593B1 Method for racemization of non-racemic 3-oxocyclopentane or 3-oxocyclohexane carboxylic acids and their esters with c 1-c 6 alcohols |
| 09/11/1996 | EP0618896B1 Isomerisation process |
| 07/25/1996 | WO1996022281A1 Racemisation process for use in the manufacture of levobupivacaine and related piperidinecarboxanilide anaesthetic agents |
| 07/04/1996 | WO1996011173A3 Racemisation of precursors to levobupivacaine and analogues thereof |
| 07/02/1996 | US5532410 Process for manufacturing L(-)-carnitine from a waste product having opposite configuration |
| 06/12/1996 | EP0716067A1 Process for the production of xylitol |
| 06/07/1996 | CA2164406A1 Process for the production of xylitol |
| 04/23/1996 | US5510520 Reacting optically active bifunctional resolving agent with bifunctional compound to form liquid material, precipitating crystals, separating, treating with acid and/or base, heating liquid, cooling, separating crystals, treating as before |
| 04/18/1996 | WO1996011173A2 Racemisation of precursors to levobupivacaine and analogues thereof |
| 03/28/1996 | WO1996009290A1 Racemisation and asymmetric transformation processes used in the manufacture of levobupivacaine and analogues thereof |
| 03/05/1996 | US5496955 Preparation of D-histidine and derivatives thereof from L-histidine |
| 02/28/1996 | EP0549710B1 A process for the preparation of enantiomeric 2-alkanoic acids |
| 02/27/1996 | CA1338089C Sulfonic acid esters |