JPH10512271A - 光学的活性2−ハロプロピオン酸の製造 - Google Patents
光学的活性2−ハロプロピオン酸の製造Info
- Publication number
- JPH10512271A JPH10512271A JP8521993A JP52199396A JPH10512271A JP H10512271 A JPH10512271 A JP H10512271A JP 8521993 A JP8521993 A JP 8521993A JP 52199396 A JP52199396 A JP 52199396A JP H10512271 A JPH10512271 A JP H10512271A
- Authority
- JP
- Japan
- Prior art keywords
- acid
- optically active
- reaction
- transacylation
- halopropionic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002253 acid Substances 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 7
- 238000005924 transacylation reaction Methods 0.000 claims abstract description 19
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims abstract description 12
- 125000005599 alkyl carboxylate group Chemical group 0.000 claims abstract description 11
- 239000011541 reaction mixture Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 25
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 238000004821 distillation Methods 0.000 claims description 12
- 238000009835 boiling Methods 0.000 claims description 9
- GAWAYYRQGQZKCR-UHFFFAOYSA-N 2-chloropropionic acid Chemical compound CC(Cl)C(O)=O GAWAYYRQGQZKCR-UHFFFAOYSA-N 0.000 claims description 6
- 238000004508 fractional distillation Methods 0.000 claims description 6
- 239000003377 acid catalyst Substances 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 3
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 32
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 24
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 18
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 16
- 235000019253 formic acid Nutrition 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- GAWAYYRQGQZKCR-REOHCLBHSA-N (S)-2-chloropropanoic acid Chemical compound C[C@H](Cl)C(O)=O GAWAYYRQGQZKCR-REOHCLBHSA-N 0.000 description 6
- 235000011054 acetic acid Nutrition 0.000 description 6
- -1 alkali metal hydroperoxide Chemical class 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 239000004280 Sodium formate Substances 0.000 description 5
- 150000007513 acids Chemical class 0.000 description 5
- 229910052783 alkali metal Inorganic materials 0.000 description 5
- HLBBKKJFGFRGMU-UHFFFAOYSA-M sodium formate Chemical compound [Na+].[O-]C=O HLBBKKJFGFRGMU-UHFFFAOYSA-M 0.000 description 5
- 235000019254 sodium formate Nutrition 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- AVMSWPWPYJVYKY-UHFFFAOYSA-N 2-Methylpropyl formate Chemical compound CC(C)COC=O AVMSWPWPYJVYKY-UHFFFAOYSA-N 0.000 description 3
- HBAQYPYDRFILMT-UHFFFAOYSA-N 8-[3-(1-cyclopropylpyrazol-4-yl)-1H-pyrazolo[4,3-d]pyrimidin-5-yl]-3-methyl-3,8-diazabicyclo[3.2.1]octan-2-one Chemical class C1(CC1)N1N=CC(=C1)C1=NNC2=C1N=C(N=C2)N1C2C(N(CC1CC2)C)=O HBAQYPYDRFILMT-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000001632 sodium acetate Substances 0.000 description 3
- 235000017281 sodium acetate Nutrition 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 2
- 108090000790 Enzymes Proteins 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 102000004882 Lipase Human genes 0.000 description 2
- 108090001060 Lipase Proteins 0.000 description 2
- 239000004367 Lipase Substances 0.000 description 2
- JRNVZBWKYDBUCA-UHFFFAOYSA-N N-chlorosuccinimide Chemical compound ClN1C(=O)CCC1=O JRNVZBWKYDBUCA-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 2
- 229910052794 bromium Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000012043 crude product Substances 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 238000010494 dissociation reaction Methods 0.000 description 2
- 230000005593 dissociations Effects 0.000 description 2
- 230000002255 enzymatic effect Effects 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 230000002140 halogenating effect Effects 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- GJRQTCIYDGXPES-UHFFFAOYSA-N iso-butyl acetate Natural products CC(C)COC(C)=O GJRQTCIYDGXPES-UHFFFAOYSA-N 0.000 description 2
- FGKJLKRYENPLQH-UHFFFAOYSA-M isocaproate Chemical compound CC(C)CCC([O-])=O FGKJLKRYENPLQH-UHFFFAOYSA-M 0.000 description 2
- OQAGVSWESNCJJT-UHFFFAOYSA-N isovaleric acid methyl ester Natural products COC(=O)CC(C)C OQAGVSWESNCJJT-UHFFFAOYSA-N 0.000 description 2
- 239000004310 lactic acid Substances 0.000 description 2
- 235000014655 lactic acid Nutrition 0.000 description 2
- 235000019421 lipase Nutrition 0.000 description 2
- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical compound COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 2
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 2
- GAWAYYRQGQZKCR-UWTATZPHSA-N (2r)-2-chloropropanoic acid Chemical compound C[C@@H](Cl)C(O)=O GAWAYYRQGQZKCR-UWTATZPHSA-N 0.000 description 1
- MZHCENGPTKEIGP-RXMQYKEDSA-N (R)-dichlorprop Chemical compound OC(=O)[C@@H](C)OC1=CC=C(Cl)C=C1Cl MZHCENGPTKEIGP-RXMQYKEDSA-N 0.000 description 1
- MPPOHAUSNPTFAJ-UHFFFAOYSA-N 2-[4-[(6-chloro-1,3-benzoxazol-2-yl)oxy]phenoxy]propanoic acid Chemical compound C1=CC(OC(C)C(O)=O)=CC=C1OC1=NC2=CC=C(Cl)C=C2O1 MPPOHAUSNPTFAJ-UHFFFAOYSA-N 0.000 description 1
- CZMRCDWAGMRECN-UHFFFAOYSA-N 2-{[3,4-dihydroxy-2,5-bis(hydroxymethyl)oxolan-2-yl]oxy}-6-(hydroxymethyl)oxane-3,4,5-triol Chemical compound OCC1OC(CO)(OC2OC(CO)C(O)C(O)C2O)C(O)C1O CZMRCDWAGMRECN-UHFFFAOYSA-N 0.000 description 1
- 101001074429 Bacillus subtilis (strain 168) Polyketide biosynthesis acyltransferase homolog PksD Proteins 0.000 description 1
- 101000936617 Bacillus velezensis (strain DSM 23117 / BGSC 10A6 / FZB42) Polyketide biosynthesis acyltransferase homolog BaeD Proteins 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 102000004157 Hydrolases Human genes 0.000 description 1
- 108090000604 Hydrolases Proteins 0.000 description 1
- 241000257303 Hymenoptera Species 0.000 description 1
- JVTAAEKCZFNVCJ-UHFFFAOYSA-M Lactate Chemical compound CC(O)C([O-])=O JVTAAEKCZFNVCJ-UHFFFAOYSA-M 0.000 description 1
- 239000002841 Lewis acid Substances 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- MYCXCBCDXVFXNE-MICDWDOJSA-N [2H]CC(C)(C(=O)O)Cl Chemical compound [2H]CC(C)(C(=O)O)Cl MYCXCBCDXVFXNE-MICDWDOJSA-N 0.000 description 1
- 241000179532 [Candida] cylindracea Species 0.000 description 1
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 1
- 150000001241 acetals Chemical class 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 238000005904 alkaline hydrolysis reaction Methods 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- VAIZTNZGPYBOGF-UHFFFAOYSA-N butyl 2-(4-{[5-(trifluoromethyl)pyridin-2-yl]oxy}phenoxy)propanoate Chemical group C1=CC(OC(C)C(=O)OCCCC)=CC=C1OC1=CC=C(C(F)(F)F)C=N1 VAIZTNZGPYBOGF-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000005695 dehalogenation reaction Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007071 enzymatic hydrolysis Effects 0.000 description 1
- 238000006047 enzymatic hydrolysis reaction Methods 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- WROZTZHKRRNHBS-UHFFFAOYSA-N phenyl propaneperoxoate Chemical compound CCC(=O)OOC1=CC=CC=C1 WROZTZHKRRNHBS-UHFFFAOYSA-N 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- 239000003223 protective agent Substances 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B57/00—Separation of optically-active compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.対応する光学的活性アルキル−2−ハロプロピオナートを、高温でカルボ ン酸と反応させ、トランスアシル化反応で、光学的活性2−ハロプロピオン酸と アルキルカルボキシラートを形成し、得られた光学的活性2−ハロプロピオン酸 を反応混合物から分離することを特徴とする、光学的活性2−ハロプロピオン酸 の製造方法。 2.反応を40℃から200℃の温度で行なうことを特徴とする、請求項1の 方法。 3.トランスアシル化の間に形成されるアルキルカルボキシラートと、依然と して存在するカルボン酸を反応混合物から分離して、生成光学的活性2−ハロプ ロピオン酸を反応混合物から蒸留により分離し、光学的活性2−ハロカルボン酸 を塔底生成物として得ることを特徴とする、請求項1の方法。 4.反応を、トランスアシル化のために使用されるカルボン酸の沸点、または トランスアシル化の間に形成されるアルキルカルボキシラートの沸点に相当する 温度で行なうことを特徴とする、請求項1または2の方法。 5.トランスアシル化の間に形成されるアルキルカルボキシラートを蒸留除去 することを特徴とする、請求項1から4のいずれかの方法。 6.反応を0.1から10バールの範囲の圧力下に行なうことを特徴とする、 請求項1から5のいずれかの方法。 7.生成する光学的活性2−ハロプロピオン酸を、トランスアシル化により形 成される反応混合物から、これを分別蒸留に附することにより、単離することを 特徴とする、請求項1から6のいずれかの方法。 8.カルボン酸を過剰量で使用することを特徴とする、請求項1から7のいず れかの方法。 9.反応を酸触媒の存在下に行なうことを特徴とする、請求項1から8のいず れかの方法。 10.反応条件下に不活性である溶媒を追加的に使用することを特徴とする、 請求項1から9のいずれかの方法。 11.光学的活性2−クロロプロピオン酸を製造するために使用されることを 特徴とする、請求項1から10のいずれかの方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19501452A DE19501452A1 (de) | 1995-01-19 | 1995-01-19 | Verfahren zur Herstellung von optisch aktiven 2-Halogenpropionsäuren |
| DE19501452.9 | 1995-01-19 | ||
| PCT/EP1996/000012 WO1996022272A1 (de) | 1995-01-19 | 1996-01-04 | Verfahren zur herstellung von optisch aktiven 2-halogenpropionsäuren |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10512271A true JPH10512271A (ja) | 1998-11-24 |
| JP3850440B2 JP3850440B2 (ja) | 2006-11-29 |
Family
ID=7751811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP52199396A Expired - Fee Related JP3850440B2 (ja) | 1995-01-19 | 1996-01-04 | 光学的活性2−ハロプロピオン酸の製造 |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US5763659A (ja) |
| EP (1) | EP0804405B1 (ja) |
| JP (1) | JP3850440B2 (ja) |
| CN (1) | CN1069630C (ja) |
| AT (1) | ATE178581T1 (ja) |
| AU (1) | AU699638B2 (ja) |
| CA (1) | CA2211024A1 (ja) |
| DE (2) | DE19501452A1 (ja) |
| DK (1) | DK0804405T3 (ja) |
| GR (1) | GR3030019T3 (ja) |
| NZ (1) | NZ298792A (ja) |
| PL (1) | PL183495B1 (ja) |
| WO (1) | WO1996022272A1 (ja) |
| ZA (1) | ZA96387B (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104370691B (zh) * | 2014-09-25 | 2016-03-02 | 湖北博凯医药科技有限公司 | 酯交换法制备高光纯度r-(+)-2-氯丙酸的工艺方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2459221A1 (fr) * | 1979-06-20 | 1981-01-09 | Rhone Poulenc Agrochimie | Procede de preparation de chloro-2 propionate d'alcoyle par chloration de lactate d'alcoyle |
| US4668628A (en) * | 1985-04-01 | 1987-05-26 | Stauffer Chemical Company | Resolution of racemic mixtures of aliphatic acid esters |
| EP0257716A3 (en) * | 1986-08-22 | 1989-11-08 | Stauffer Chemical Company | Improved process for conducting lipase enzyme hydrolysis |
| FR2647783A1 (fr) * | 1989-05-30 | 1990-12-07 | Rhone Poulenc Chimie | Procede pour la preparation d'isomeres optiques d'esters d'acide 2-chloro-propionique |
| AT398081B (de) * | 1991-04-29 | 1994-09-26 | Chemie Linz Gmbh | Verfahren zur enzymatischen hydrolyse eines carbonsäurederivates |
| DE4117255A1 (de) * | 1991-05-27 | 1992-12-03 | Chemie Linz Deutschland | Verfahren zur enzymatischen hydrolyse eines carbonsaeurederivates |
| EP0638059A1 (en) * | 1992-05-01 | 1995-02-15 | Pfizer Inc. | Process for the preparation of 3(s)-methylheptanoic acid and intermediates therefor |
| FR2701706A1 (fr) * | 1993-02-17 | 1994-08-26 | Rhone Poulenc Chimie | Procédé d'hydrolyse d'esters carboxyliques alpha-substitués alpha-chiraux. |
-
1995
- 1995-01-19 DE DE19501452A patent/DE19501452A1/de not_active Withdrawn
-
1996
- 1996-01-04 JP JP52199396A patent/JP3850440B2/ja not_active Expired - Fee Related
- 1996-01-04 NZ NZ298792A patent/NZ298792A/en not_active IP Right Cessation
- 1996-01-04 AT AT96900560T patent/ATE178581T1/de active
- 1996-01-04 WO PCT/EP1996/000012 patent/WO1996022272A1/de not_active Ceased
- 1996-01-04 AU AU44368/96A patent/AU699638B2/en not_active Ceased
- 1996-01-04 EP EP96900560A patent/EP0804405B1/de not_active Expired - Lifetime
- 1996-01-04 US US08/860,085 patent/US5763659A/en not_active Expired - Lifetime
- 1996-01-04 CA CA002211024A patent/CA2211024A1/en not_active Abandoned
- 1996-01-04 PL PL96321469A patent/PL183495B1/pl unknown
- 1996-01-04 CN CN96191522A patent/CN1069630C/zh not_active Expired - Fee Related
- 1996-01-04 DK DK96900560T patent/DK0804405T3/da active
- 1996-01-04 DE DE59601603T patent/DE59601603D1/de not_active Expired - Lifetime
- 1996-01-18 ZA ZA96387A patent/ZA96387B/xx unknown
-
1999
- 1999-04-20 GR GR990401100T patent/GR3030019T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU699638B2 (en) | 1998-12-10 |
| PL321469A1 (en) | 1997-12-08 |
| DE19501452A1 (de) | 1996-07-25 |
| PL183495B1 (pl) | 2002-06-28 |
| ATE178581T1 (de) | 1999-04-15 |
| JP3850440B2 (ja) | 2006-11-29 |
| EP0804405A1 (de) | 1997-11-05 |
| NZ298792A (en) | 1998-11-25 |
| ZA96387B (en) | 1997-06-18 |
| EP0804405B1 (de) | 1999-04-07 |
| US5763659A (en) | 1998-06-09 |
| DK0804405T3 (da) | 1999-10-18 |
| CN1168130A (zh) | 1997-12-17 |
| CA2211024A1 (en) | 1996-07-25 |
| WO1996022272A1 (de) | 1996-07-25 |
| GR3030019T3 (en) | 1999-07-30 |
| CN1069630C (zh) | 2001-08-15 |
| DE59601603D1 (de) | 1999-05-12 |
| AU4436896A (en) | 1996-08-07 |
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