WO2005011863A1 - Systeme de catalyseur de complexe metallique de ligand chiral, sa preparation et ses utilisations - Google Patents
Systeme de catalyseur de complexe metallique de ligand chiral, sa preparation et ses utilisations Download PDFInfo
- Publication number
- WO2005011863A1 WO2005011863A1 PCT/CN2004/000777 CN2004000777W WO2005011863A1 WO 2005011863 A1 WO2005011863 A1 WO 2005011863A1 CN 2004000777 W CN2004000777 W CN 2004000777W WO 2005011863 A1 WO2005011863 A1 WO 2005011863A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ligand
- reaction
- chiral
- room temperature
- solid
- 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.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/18—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms
- B01J31/1845—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms the ligands containing phosphorus
- B01J31/185—Phosphites ((RO)3P), their isomeric phosphonates (R(RO)2P=O) and RO-substitution derivatives thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
- B01J2231/60—Reduction reactions, e.g. hydrogenation
- B01J2231/64—Reductions in general of organic substrates, e.g. hydride reductions or hydrogenations
- B01J2231/641—Hydrogenation of organic substrates, i.e. H2 or H-transfer hydrogenations, e.g. Fischer-Tropsch processes
- B01J2231/643—Hydrogenation of organic substrates, i.e. H2 or H-transfer hydrogenations, e.g. Fischer-Tropsch processes of R2C=O or R2C=NR (R= C, H)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
- B01J2231/60—Reduction reactions, e.g. hydrogenation
- B01J2231/64—Reductions in general of organic substrates, e.g. hydride reductions or hydrogenations
- B01J2231/641—Hydrogenation of organic substrates, i.e. H2 or H-transfer hydrogenations, e.g. Fischer-Tropsch processes
- B01J2231/645—Hydrogenation of organic substrates, i.e. H2 or H-transfer hydrogenations, e.g. Fischer-Tropsch processes of C=C or C-C triple bonds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/02—Compositional aspects of complexes used, e.g. polynuclearity
- B01J2531/0261—Complexes comprising ligands with non-tetrahedral chirality
- B01J2531/0266—Axially chiral or atropisomeric ligands, e.g. bulky biaryls such as donor-substituted binaphthalenes, e.g. "BINAP" or "BINOL"
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/02—Compositional aspects of complexes used, e.g. polynuclearity
- B01J2531/0269—Complexes comprising ligands derived from the natural chiral pool or otherwise having a characteristic structure or geometry
- B01J2531/0272—Complexes comprising ligands derived from the natural chiral pool or otherwise having a characteristic structure or geometry derived from carbohydrates, including e.g. tartrates or DIOP
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/80—Complexes comprising metals of Group VIII as the central metal
- B01J2531/82—Metals of the platinum group
- B01J2531/822—Rhodium
Definitions
- the invention relates to a chiral ligand metal complex catalytic system
- the invention also relates to a method for preparing the above-mentioned catalytic system
- the invention also relates to the application of the above-mentioned catalytic system in asymmetric hydrogenation reaction. Background technique
- Catalytic asymmetric hydrogenation is the core technology in asymmetric synthesis, and it is one of the most effective methods for synthesizing optically pure chiral drugs, pesticides, food additives, and spices.
- the design and synthesis of chiral ligands is the key to achieving this core technology. factor.
- many chiral bidentate phosphine ligands have been developed in succession.
- most of the ligands are difficult to synthesize, have poor stability, and are expensive to synthesize. It is difficult to apply them to industrial production, so they have been successfully applied to industrial production.
- the purpose of the present invention is to provide a chiral ligand metal complex catalyst system
- Another object of the present invention is to provide a method for preparing the above-mentioned catalytic system, in particular, a method for preparing a ligand in the catalytic system.
- the chiral ligand metal complex catalyst system provided by the present invention is composed of a complex or ligand formed by a ligand and a metal Rla, Ru, Ir, Pt or Pd and a corresponding metal precursor in a molar ratio of 1 to 2 System; where the ligand has the following structure and structural formula name:
- the R, and 'groups in the ligand are: hydrogen, phenyl, substituted phenyl, 1-naphthyl or 2-naphthyl in C 6 -C M , containing N, S, 0, P or not Aromatic groups containing N, S, 0, P; methyl, ethyl, propyl or butyl ⁇
- the groups in the ligand are:
- a high-efficiency chiral phosphite ligand is synthesized by using a D-type mannitol or an L-type mannitol as a chiral source through a triple reaction, and the structure and synthesis of the ligand
- the technical route is as follows:
- the aldehyde mannitol: concentrated sulfuric acid (molar ratio) is 1: 4.4: 2;
- the preparation steps of the ligand in the catalytic system are:
- step 2 b) adding the solid obtained in step 1, sodium hydride and halogenated fat to DMF at a molar ratio of 1: 1: 1.1, and stirring the reaction at room temperature for 0.5-3 hours; extracting the reaction mixture with ether and washing with brine, Dry over anhydrous sodium sulfate and remove the solvent to obtain a solid;
- the aldehyde used in step a of the preparation method is an aliphatic aldehyde or a C 6 -C 3 () aromatic.
- the aldehyde used in step a of the preparation method is formaldehyde, acetaldehyde, or benzaldehyde.
- the halogenated aliphatic hydrocarbon used in step b of the preparation method is methyl iodide, an aromatic hydrocarbon-substituted halomethyl group, an aromatic hydrocarbon-substituted halomethylene group, or an aromatic hydrocarbon-substituted halomethine group.
- the diphenol used in step c of the preparation method is 2,2'-binaphthol, 2,3'-binaphthol substituted at the 3,3 'position, 2,2'-biphenyldiol or Substituted 2,2'-biphenol.
- the reaction is carried out at a temperature of 1-100atm, -20 ⁇ 200 ° C.
- a protic alcohol solvent can be selected, and aprotic C 6 to C lfl hydrocarbons, CH 2 C1 2 , C C1C3 ⁇ 4CI, C3 ⁇ 4C1, CC1 4 , tetrahydrofuran, etc. as solvents.
- Invention effect
- the catalyst formed by the designed and synthesized chiral ligand ManniPhos and the rhodium metal compound has a wide application range and can be applied to asymmetric hydrogenation reactions of various types of CC double bonds.
- the catalyst formed by ManniPhos and [Rh (COD) 2 ] BF 4 under in situ conditions is mainly used in the following types of substrates to catalyze asymmetric hydrogenation:
- the chiral ligand ManniPhos designed by the present invention is stable to the air, easy to operate and save; the synthetic route of the ligand is simple, and no severe operating conditions such as high temperature and high pressure are required during the synthesis process; the cost of the synthesis of the ligand is low, and the raw materials mannitol and aldehyde are synthesized , Phosphorus trichloride, etc. are cheap and readily available.
- the catalysts formed by ManniPhos and rhodium metal compounds have high stereoselectivity. The enantioselectivity can be as high as 99.9% for the above four types of substrates.
- the catalysts formed by ManniPhos and rhodium metal compounds have high activity, and the TON can be as high as 10,000.
- the asymmetric hydrogenation reaction involving the catalyst formed by the chiral ligand ManniPhos and the rhodium metal compound designed and synthesized by the present invention has mild conditions and can react at room temperature.
- the pressure of hydrogen can be used in a wide range and does not affect the activity of the catalyst from normal pressure to high pressure.
- Stereoselectivity, the reaction time is 1 to 24 hours, the molar ratio of the ligand to the metal rhodium compound is 1: 1 to 4: 1, and the ratio of the reaction substrate to the catalyst is 100 to 10,000.
- the catalysts formed by chiral ligands and rhodium metal compounds have high catalytic activity and stereoselectivity for ⁇ -dehydroamino acids, ⁇ -dehydroamino acids, itaconic acid and its ⁇ -substituted itaconic acid substrates.
- TON Under the reaction conditions of temperature 0 ⁇ 100 ° C and pressure 1 ⁇ 100 ato, TON can reach as high as 10,000, Enantioselectivity can be as high as 99.9%.
- various types of chiral products such as chiral drugs, chiral pesticides, and chiral amino acids can be prepared through asymmetric hydrogenation reactions, which have important applications in the industries of medicine, pesticides, spices, food and feed additives, etc. value.
- the existing monodentate phosphine ligands such as Reete are relatively simple to synthesize, the chemical properties of the ligands are stable and they can be stably stored in the air, but the Rh complexes are only active against itaconic acid derivatives.
- Example 1 a monodentate phosphinate ligand such as Reetz, etc. was used to make Rh catalyst to catalyze the asymmetric hydrogenation of ⁇ -dehydroamino acid ester, and only 95.5% ee was obtained.
- Example 7 the use of monodentate phosphinate ligands such as Reetz and others to make the enamine catalyzed by Rh catalyst It is called hydrogenation, and it can only react at a higher pressure, 60atni, and only 95.3% ee is obtained.
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03152667 CN1579627A (zh) | 2003-08-05 | 2003-08-05 | 一种手性配体金属络合物催化体系及制法和应用 |
| CN03152667.5 | 2003-08-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005011863A1 true WO2005011863A1 (fr) | 2005-02-10 |
Family
ID=34109575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2004/000777 Ceased WO2005011863A1 (fr) | 2003-08-05 | 2004-07-09 | Systeme de catalyseur de complexe metallique de ligand chiral, sa preparation et ses utilisations |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1579627A (zh) |
| WO (1) | WO2005011863A1 (zh) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111018818A (zh) * | 2019-12-16 | 2020-04-17 | 云南民族大学 | 一种手性苯酞类化合物及其氘代化合物的合成方法 |
| CN112044472A (zh) * | 2020-09-14 | 2020-12-08 | 哈尔滨工程大学 | 手性介孔氨基酸聚合物负载过渡金属不对称催化剂及制备方法 |
| CN112538095A (zh) * | 2020-12-14 | 2021-03-23 | 万华化学集团股份有限公司 | 一种手性四齿配体、手性钌络合物,及制备(r)-(-)-1,3-丁二醇的方法 |
| CN114904577A (zh) * | 2022-05-17 | 2022-08-16 | 哈尔滨工程大学 | 手性多孔交联寡肽聚合物不对称催化剂及其制备方法 |
| CN116903773A (zh) * | 2023-06-20 | 2023-10-20 | 湖北工程学院 | 一种高分子复合铜催化材料的制备方法以及在合成手性偕二芳基硼酸酯中的应用 |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102532225A (zh) * | 2010-12-23 | 2012-07-04 | 中国科学院兰州化学物理研究所 | 甲基葡萄糖苷衍生的手性亚磷酸酯配体及其制备方法与用途 |
| CN106040299B (zh) * | 2016-05-30 | 2020-10-23 | 北京理工大学 | 一种手性双烯铑金属催化剂、制备方法及应用 |
| CN111285773A (zh) * | 2018-12-10 | 2020-06-16 | 中国科学院大连化学物理研究所 | 一种基于葡萄糖衍生的单齿亚磷酸酯配体不对称氢化制备手性胺方法 |
| CN111285774A (zh) * | 2018-12-10 | 2020-06-16 | 中国科学院大连化学物理研究所 | 基于d-甘露醇衍生的手性单齿膦配体不对称氢化亚胺方法 |
| CN110963902B (zh) * | 2019-12-05 | 2023-01-13 | 万华化学集团股份有限公司 | 一种水油两相不对称氢化合成r-香茅醛的方法及用于该方法的催化剂 |
| CN111185241B (zh) * | 2020-03-09 | 2022-08-02 | 邯郸学院 | 一种金属催化剂及其制备方法与应用 |
| CN111978144A (zh) * | 2020-09-16 | 2020-11-24 | 河北凡克新材料有限公司 | 一种环己基多氟苯类液晶单体的制备方法 |
| CN112876589B (zh) * | 2021-01-15 | 2022-04-22 | 万华化学集团股份有限公司 | 一种有机聚合物催化剂及其制备方法和在制备聚醚多元醇中的应用 |
| CN113527367B (zh) * | 2021-07-14 | 2022-08-02 | 南开沧州渤海新区绿色化工研究有限公司 | 一种含四(3,5-二三氟甲基苯基)硼阴离子的手性双膦配体铑络合物和制备方法及应用 |
| CN114573473B (zh) * | 2022-03-03 | 2023-11-28 | 浙江工业大学 | 一种(R)-α-芳基丙氨酸酯衍生物的制备方法 |
| CN114956979B (zh) * | 2022-06-06 | 2023-04-28 | 中国科学技术大学 | 一种甲苯合成苯乙酸的催化剂体系 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5886182A (en) * | 1997-12-10 | 1999-03-23 | The Hong Kong Polytechnic University | Chiral pyridylphosphines and their application in asymmetric catalytic hydrogenation of 2-arylpropenoic acids |
| CN1212254A (zh) * | 1997-09-25 | 1999-03-31 | 中国科学院兰州化学物理研究所 | 羰化法制备萘普生甲酯及s-(+)萘普生甲酯的方法 |
| CA2381246A1 (en) * | 1999-08-14 | 2001-02-22 | Boehringer Ingelheim Pharma Kg | Process for preparing adrenaline |
| WO2002038628A2 (en) * | 2000-11-07 | 2002-05-16 | Symyx Technologies, Inc. | Substituted pyridyl amine ligands, complexes and catalysts therefrom; processes for producing polyolefins therewith |
| CN1356333A (zh) * | 2001-12-07 | 2002-07-03 | 中国科学院上海有机化学研究所 | 新型非c2对称轴手性双膦配体、合成方法及其用途 |
| CN1356334A (zh) * | 2001-12-07 | 2002-07-03 | 中国科学院上海有机化学研究所 | 非c2对称轴手性双膦配体的金属络合物、合成方法及其在酮的不对称催化氢化中的应用 |
| WO2003010174A1 (en) * | 2001-07-23 | 2003-02-06 | Wisconsin Alumini Research Foundation | Diazaphosphacycles |
| WO2003016264A1 (en) * | 2001-08-17 | 2003-02-27 | Chirotech Technology Limited | Process for the preparation of enantiomerically enriched n-acyl-beta-amino acid derivatives by enantioselective hydrogenation of the corresponding (z)-enamides |
-
2003
- 2003-08-05 CN CN 03152667 patent/CN1579627A/zh active Pending
-
2004
- 2004-07-09 WO PCT/CN2004/000777 patent/WO2005011863A1/zh not_active Ceased
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1212254A (zh) * | 1997-09-25 | 1999-03-31 | 中国科学院兰州化学物理研究所 | 羰化法制备萘普生甲酯及s-(+)萘普生甲酯的方法 |
| US5886182A (en) * | 1997-12-10 | 1999-03-23 | The Hong Kong Polytechnic University | Chiral pyridylphosphines and their application in asymmetric catalytic hydrogenation of 2-arylpropenoic acids |
| CA2381246A1 (en) * | 1999-08-14 | 2001-02-22 | Boehringer Ingelheim Pharma Kg | Process for preparing adrenaline |
| WO2002038628A2 (en) * | 2000-11-07 | 2002-05-16 | Symyx Technologies, Inc. | Substituted pyridyl amine ligands, complexes and catalysts therefrom; processes for producing polyolefins therewith |
| WO2003010174A1 (en) * | 2001-07-23 | 2003-02-06 | Wisconsin Alumini Research Foundation | Diazaphosphacycles |
| WO2003016264A1 (en) * | 2001-08-17 | 2003-02-27 | Chirotech Technology Limited | Process for the preparation of enantiomerically enriched n-acyl-beta-amino acid derivatives by enantioselective hydrogenation of the corresponding (z)-enamides |
| CN1356333A (zh) * | 2001-12-07 | 2002-07-03 | 中国科学院上海有机化学研究所 | 新型非c2对称轴手性双膦配体、合成方法及其用途 |
| CN1356334A (zh) * | 2001-12-07 | 2002-07-03 | 中国科学院上海有机化学研究所 | 非c2对称轴手性双膦配体的金属络合物、合成方法及其在酮的不对称催化氢化中的应用 |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111018818A (zh) * | 2019-12-16 | 2020-04-17 | 云南民族大学 | 一种手性苯酞类化合物及其氘代化合物的合成方法 |
| CN111018818B (zh) * | 2019-12-16 | 2022-11-29 | 云南民族大学 | 一种手性苯酞类化合物及其氘代化合物的合成方法 |
| CN112044472A (zh) * | 2020-09-14 | 2020-12-08 | 哈尔滨工程大学 | 手性介孔氨基酸聚合物负载过渡金属不对称催化剂及制备方法 |
| CN112044472B (zh) * | 2020-09-14 | 2023-03-17 | 哈尔滨工程大学 | 手性介孔氨基酸聚合物负载过渡金属不对称催化剂及制备方法 |
| CN112538095A (zh) * | 2020-12-14 | 2021-03-23 | 万华化学集团股份有限公司 | 一种手性四齿配体、手性钌络合物,及制备(r)-(-)-1,3-丁二醇的方法 |
| CN114904577A (zh) * | 2022-05-17 | 2022-08-16 | 哈尔滨工程大学 | 手性多孔交联寡肽聚合物不对称催化剂及其制备方法 |
| CN116903773A (zh) * | 2023-06-20 | 2023-10-20 | 湖北工程学院 | 一种高分子复合铜催化材料的制备方法以及在合成手性偕二芳基硼酸酯中的应用 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1579627A (zh) | 2005-02-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2005011863A1 (fr) | Systeme de catalyseur de complexe metallique de ligand chiral, sa preparation et ses utilisations | |
| EP1451133B1 (en) | P-chiral phospholanes and phosphocyclic compounds and their use in asymmetric catalytic reactions | |
| WO2012116493A1 (zh) | 一种亚胺的不对称加氢催化剂及其合成方法和应用 | |
| CN102417523B (zh) | 一种含氮杂环配体过渡金属络合物制备及其催化应用 | |
| KR100384411B1 (ko) | 키랄리간드인헤테로방향족디포스핀 | |
| US6255493B1 (en) | Transition metal-catalyzed reactions based on chiral amine oxazolinyl ligands | |
| JP5729634B2 (ja) | 触媒的不斉付加反応に使用する二座キラル配位子 | |
| CN112824422A (zh) | 一种手性二茂铁-吲哚双膦配体及其制备方法和其应用 | |
| JP2005126433A (ja) | ビナフチル誘導体の還元方法及びこの還元のための触媒の使用 | |
| CN101495491A (zh) | 旋光性氨基氧膦基丁酸类的制备方法 | |
| AU2011301115B2 (en) | Biaryl diphosphine ligands, intermediates of the same and their use in asymmetric catalysis | |
| JP2002003441A (ja) | 光学活性トリメチル乳酸およびそのエステル類の製造方法 | |
| JP2005525426A (ja) | ルテニウム錯体を触媒として用いた不活性イミンの水素添加法 | |
| CA2410410A1 (en) | Chiral ligands for asymmetric catalysis | |
| JP3445074B2 (ja) | ルテニウム−ホスフィン錯体の製造方法 | |
| CN112824423B (zh) | 一种手性二茂铁膦-吲哚氨基膦配体及其制备方法和应用 | |
| WO2017193288A1 (en) | Synthesis of phosphine ligands bearing tunable linkage: methods of their use in catalysis | |
| CN112675920B (zh) | 一类单手性中心催化剂及其制备和催化合成手性醇类化合物和手性α-烯丙醇的方法 | |
| Wu et al. | A practical process to chiral ferrocenyl alcohols via asymmetric transfer hydrogenation catalyzed with a PEG-bound Ru catalyst in water and its application in preparing Ugi’s amine | |
| EP0732337A1 (en) | Optically active asymmetric diphosphine and process for producing optically active substance in its presence | |
| JP4928798B2 (ja) | 不斉合成用触媒およびそれに用いる配位子、並びにこれらを用いた不斉合成反応による光学活性化合物の製造方法 | |
| JP2002030009A (ja) | l−メントールの製造方法 | |
| CN112824421A (zh) | 一种手性膦-亚磷酰胺酯配体及其制备方法和应用 | |
| CN101175715B (zh) | 制备二苯基丙氨酸衍生物的不对称氢化反应 | |
| CN116947580B (zh) | 一种铑催化的蒽的氢化去对称化构建轴手性化合物的方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
| AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
| 122 | Ep: pct application non-entry in european phase |








