WO1998045230A1 - Chromatographische enantiomerentrennung von lactonen - Google Patents
Chromatographische enantiomerentrennung von lactonen Download PDFInfo
- Publication number
- WO1998045230A1 WO1998045230A1 PCT/EP1998/001788 EP9801788W WO9845230A1 WO 1998045230 A1 WO1998045230 A1 WO 1998045230A1 EP 9801788 W EP9801788 W EP 9801788W WO 9845230 A1 WO9845230 A1 WO 9845230A1
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- WO
- WIPO (PCT)
- Prior art keywords
- optically active
- silica gel
- enantiomer
- bound
- chromatographic
- Prior art date
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- VIMMECPCYZXUCI-KJAPKAAFSA-N C[n]1nnnc1C(/C=C/C(C[C@H](C1)O)OC1=O)=C(c(cc1)ccc1F)c(cc1)ccc1F Chemical compound C[n]1nnnc1C(/C=C/C(C[C@H](C1)O)OC1=O)=C(c(cc1)ccc1F)c(cc1)ccc1F VIMMECPCYZXUCI-KJAPKAAFSA-N 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
- C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
- C07D405/06—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/06—Antihyperlipidemics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/10—Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
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- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/281—Sorbents specially adapted for preparative, analytical or investigative chromatography
- B01J20/282—Porous sorbents
- B01J20/285—Porous sorbents based on polymers
-
- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/281—Sorbents specially adapted for preparative, analytical or investigative chromatography
- B01J20/29—Chiral phases
-
- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3202—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
- B01J20/3204—Inorganic carriers, supports or substrates
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- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3214—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the method for obtaining this coating or impregnating
- B01J20/3217—Resulting in a chemical bond between the coating or impregnating layer and the carrier, support or substrate, e.g. a covalent bond
- B01J20/3219—Resulting in a chemical bond between the coating or impregnating layer and the carrier, support or substrate, e.g. a covalent bond involving a particular spacer or linking group, e.g. for attaching an active group
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- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
- B01J20/3242—Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
- B01J20/3268—Macromolecular compounds
- B01J20/3272—Polymers obtained by reactions otherwise than involving only carbon to carbon unsaturated bonds
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
- C07D309/16—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D309/28—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D309/30—Oxygen atoms, e.g. delta-lactones
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B2200/00—Indexing scheme relating to specific properties of organic compounds
- C07B2200/07—Optical isomers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
Definitions
- the present invention relates to the use of optically active polymers of N-acryloyl-phenylalanine-neomenthylamide as such, in crosslinked form and / or in carrier-bound form as stationary phases for the chromatographic enantiomer separation of lactones.
- EP 379 917 describes chiral stationary phases which are derived from N- (meth) -acryloylamino acid derivatives and which are used, inter alia, for enantiomer separation. are also suitable for lactone derivatives. Bead polymers are preferably used as separation phases.
- This lactone is, as described in EP 617 019 and 491 226, in 3R, 5S - (+) - sodium erythro- (E) -7- [4- (4-fluorophenyl) -2,6-diiso ⁇ ropyl-5- methoxymethyl-pyrid-3-yl] -3,5-dihydroxy-hept-6-enoate (A), which inhibits cholesterol bio synthesis and can be used in medicinal products for the treatment of lipoproteinemia.
- EP 617 019 describes that this separation can advantageously be carried out by chromatography on chiral stationary phases, as mentioned in EP 379 917.
- Polymers made from S-phenylalanine d-menthyl ester are mentioned as particularly suitable phases.
- the separation of lactone derivatives is particularly efficient if the optically active polymers are derivatives of amino acid amides.
- Polymers made from N-acryloyl-phenylalanine-neomethylamide are particularly suitable.
- the invention therefore relates to the use of optically active polymers of N-acryloyl-S-phenylalanine-d-neomenthylamide or of its enantiomer as such, in crosslinked form and / or in carrier-bound form as stationary phases for the chromatographic enantiomer separation of lactones of the general Formula (I)
- lactones (or the ring opening products) of the general formula (I) typically act as HMG-CoA reductase inhibitors. Such compounds are suitable, for example, for the treatment of hyperlipoproteinemia or arteriosclerosis.
- Preferred compounds of the formula (I) are HMG-CoA reductase inhibitors, the radical R of which is a derivative of an aromatic or partially saturated carbocycle having 6 or 12 carbon atoms, an indole derivative, a pyridine derivative, a pyrrole derivative or an ethene -The derivative is.
- the invention relates to the use of optically active polymers of N-acryloyl-S-phenylalanine-d-neomenthylamide or of its enantiomer as such, in crosslinked form and / or in carrier-bound form as stationary phases for the chromatographic enantiomer separation of (+) - trans- (E) -6- [2- (2,6-diisopropyl-4- (4-fluorophenyl) -3-methoxy-methyl-pyrid-5-yl) -ethenyl] -3.4, 5,6-tetrahydro-4-hydroxy-2H-pyran-2-one.
- the invention also relates to a process for the chromatographic enantiomer separation of lactone compounds of the general formula (I), characterized in that the corresponding enantiomer mixture is used using a suitable mobile phase by means of an optically active polymer made from N-acryloyl-S- separates phenylalanine-d-neomenthylamide or from its enantiomer as chiral stationary phase into the enantiomers, the optically active polymer being used as such, in crosslinked form and / or in carrier-bound form.
- Formula (I) can preferably be separated into enantiomers by this process.
- the chiral stationary phases used according to the invention are derived from N-acryloyl-S-phenylalanine-d-neomenthylamide or from its enantiomers, N-
- N-acryloyl-S-phenylalanine-d-neomenthylamide or its enantiomer can be prepared by known methods, e.g. as described in US 5 274 167 / EP 379 917.
- optically active N-acryloyl-phenylalanine-neomethylamide polymer used according to the invention is preferably in the form of crosslinked insoluble but swellable polymers or in those bound to finely divided inorganic support materials
- Form used It can also be made as a linear polymer soluble in suitable organic solvents. It is also possible to incorporate 0.1 to 60, preferably 0.1 to 20 mol% of copolymerizable, non-chiral monomers into the polymer.
- the crosslinked polymers are preferably in the form of finely divided beads with 5 to 200 ⁇ m, preferably 10-100 ⁇ m, particle diameter. They can be prepared in a manner known per se by polymerization with the addition of a suitable crosslinking agent, for example as described in US Pat. No. 5,274,167 / EP 379,917.
- the degree of swelling of the (pearl) polymers can be adjusted by the type and amount of the crosslinking agent (the crosslinking agent).
- the polymer of N-acryloyl-S-phenylalanine-d-neomenthylamide or its enantiomer in a form bound to finely divided inorganic support materials, preferably silica gel, is particularly preferably used as the stationary phase.
- the radical coating of the silica gels with polymerization-active groups and the polymerization can be carried out according to methods known per se.
- the optically active polymer can be applied to the silica gel, for example, by physically adsorbing it or fixing it covalently.
- the latter can be done by covering the silica gel surface with polymerizable groups and then carrying out a copolymerization with the optically active monomer.
- the polymerization of the optically active monomer in the presence of silica gel diol phases which have been esterified with (meth) acrylic acid is also widely applicable. Suitable processes are described for example in EP 379 917 and EP 282 770.
- the silica gel is first coated with mercapto groups (SH units) and then reacted with the optically active monomer under polymerization conditions (cf. our also pending European patent application, application number 96 119 045.1).
- SH units mercapto groups
- the silica gel modified on the surface with SH units is expediently obtained by reacting the starting material with a compound which contains at least one mercapto group.
- Suitable derivatization reagents are in principle (VR Meyer, practice of high performance liquid chromatography, Salle + Sauerators, 6th edition 1990, pp 79 ff. And literature cited there) known; they have the general form QL-SH, where Q stands for a reactive group which can react with the OH groups of the silica gel and L stands for a spacer group which is inert under the corresponding conditions, for the necessary distance between the silica gel and the SH group worries.
- Silica gels are preferably coated by reacting an unmodified silica gel with a silane of the form Z1Z2Z3Si-L-SH, Z ⁇ , ⁇ 2 and Z3 independently of one another for alkyl having up to 4 carbon atoms, halogen, alkoxy having up to 4 carbon atoms or hydroxyl and L represents an optionally substituted alkylene chain with up to 7 carbon atoms.
- the reaction can be base-catalyzed or in an acidic medium.
- the silica gel is usually converted in a ratio of functionalizing reagent to silica gel 1:20 to 1.2: 1.
- the result is silica gels which contain 0.1% to 5%, particularly preferably 0.5% to 3%, sulfur in the form of SH groups and in which the optically active polymer is bound to the mercapto groups of the modified silica gel.
- the silica gel is in a first step with a polymerizable or graftable mono-, di- or trialkoxy or
- Mono-, di- or trichlorosilane compound occupied, preferably with mercaptopropyltrimethoxysilane, mercaptopropyltriethoxysilane, mercaptopropylmethyldimethoxysilane, bis (3-trimethoxysilylpropyl) tetrasulfone, thiocyanatopropyltrimethoxysilane,
- Thiocyanatopropyltriethoxysilane bis (3-triethoxysilylpropyl) tetrasulfon, trimethoxy, triethoxy vinylsilane-vinylsilane, trichlorovinylsilane, dimethoxy-methyl-vinyl silane, dichloro-methyl-vinylsilane, Chlormethylvinylsilan, methoxy-dimethyl-vinylsilane, meth- acryloyloxypropyl-trimethoxysilane, Methacryloyloxypropyl- triethoxysilane, glycidyl-oxypropyl-triethoxysilane, glycidyloxypropyl-trimethoxysilane, particularly preferably with the above-mentioned mercaptosilanes.
- Mercaptopropyltrimethoxysilane and mercaptopropyltriethoxysilane are very particularly preferred.
- the polymerizable or graftable mono-, di- or trialkoxy or mono-, di- or trichlorosilane compound is added in amounts of 5 to 120% by weight, based on the silica gel. 5 to 15% by weight of the mercaptosilanes and 80 to 120% by weight of the vinyl silanes are preferred
- the radical polymerization takes place by adding the N-
- Acryloyl-phenylalanine-neomenthylamids in amounts of 10 to 100% by weight, preferably 30 to 60% by weight, based on the coated silica gel to the suspension of the coated silica gel in a solvent such as toluene, benzene, chlorobenzene, chloroform, isopropanol , n-butanol, cyclohexanol, MIBK, ethyl acetate or dioxane, with 0.5 to. based on the amount of N-acryloylamino-neomenthylamide
- a radical chain starter such as, for example, azobisisobutyronitrile or benzoyl peroxide
- silica gels used according to the invention are spherical or irregular and have an average particle diameter of 1 to 200, preferably 5 to 50 ⁇ . They are commercially available, for example from Macherey and Nagel, Merck, YMC or Akzo
- superplasticizers are hydrocarbons such as benzene, toluene, xylene, pentane, hexane, heptane, ethers such as diethyl ether, t-butyl methyl ether, dioxane, tetrahydrofuran, halogenated hydrocarbons such as dichloromethane, trichloromethane, chlorobenzene, alcohols such as n-butanol, n- Propanol, i-propanol, ethanol,
- Superplasticizers are mixtures of toluene with tetrahydrofuran in a ratio of 10: 1 to 1:10, preferably 5: 1 to 1: 5.
- the separations are usually carried out under the usual conditions of liquid chromatographic separations. They can be carried out on an analytical as well as a preparative scale.
- the compounds of the general formula (I) can be separated efficiently on a single column which is filled with a silica gel to which an optically active polymer of N-acryloyl- (S) -phenylalanine-d-neomenthylamide or from its enantiomer is bound is.
- the separation is particularly advantageous if it is not used in batch operation on a single column, but in a continuous process that uses the simulated moving bed method, e.g. described in EP 586 385.
- 3 g of the coated silica gel from Example 1 are placed in 12 ml of toluene, 1.2 g of N-acryloyl-L-phenylalanine-d-neomenthylamide and 20 mg of azobisisobutyronitrile are added, and the mixture is heated at 60 ° C. for 12 h. Then 0.2 g of 2,2-methylene-bis-6,6-dicyclohexyl-4,4-methylphenol and 3 ml of bistrimethylsilylacetamide are added and the mixture is boiled under reflux for 4 h.
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Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP54231798A JP2001521507A (ja) | 1997-04-08 | 1998-03-26 | ラクトン類の鏡像異性体のクロマトグラフィー分離 |
AT98919159T ATE300509T1 (de) | 1997-04-08 | 1998-03-26 | Chromatographische enantiomerentrennung von lactonen |
EP98919159A EP0973705B1 (de) | 1997-04-08 | 1998-03-26 | Chromatographische enantiomerentrennung von lactonen |
DE59812963T DE59812963D1 (de) | 1997-04-08 | 1998-03-26 | Chromatographische enantiomerentrennung von lactonen |
US09/380,332 US6274736B1 (en) | 1997-04-08 | 1998-03-26 | Chromatographic enantiomer separation of lactones |
AU72112/98A AU7211298A (en) | 1997-04-08 | 1998-03-26 | Chromatographic enantiomer separation of lactones |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19714343A DE19714343A1 (de) | 1997-04-08 | 1997-04-08 | Chromatographische Enantiomerentrennung von Lactonen |
DE19714343.1 | 1997-04-08 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/380,332 A-371-Of-International US6274736B1 (en) | 1997-04-08 | 1998-03-26 | Chromatographic enantiomer separation of lactones |
US09/757,919 Division US6689889B2 (en) | 1997-04-08 | 2001-01-10 | Chromatographic separation of enantiomers of lactones |
Publications (1)
Publication Number | Publication Date |
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WO1998045230A1 true WO1998045230A1 (de) | 1998-10-15 |
Family
ID=7825712
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1998/001788 WO1998045230A1 (de) | 1997-04-08 | 1998-03-26 | Chromatographische enantiomerentrennung von lactonen |
Country Status (10)
Country | Link |
---|---|
US (2) | US6274736B1 (de) |
EP (1) | EP0973705B1 (de) |
JP (1) | JP2001521507A (de) |
AR (1) | AR014341A1 (de) |
AT (1) | ATE300509T1 (de) |
AU (1) | AU7211298A (de) |
DE (2) | DE19714343A1 (de) |
DK (1) | DK0973705T3 (de) |
WO (1) | WO1998045230A1 (de) |
ZA (1) | ZA982948B (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2003008383A1 (de) * | 2001-07-18 | 2003-01-30 | Bayer Aktiengesellschaft | Herstellung von enantiomerenreinem 3r, 5s- (+) natrium erythro- (e) 7-'4-(4-fluorophenyl)-2, 6-diisopropyl-5-methoxymethyl-pyrid-3-yl!-3, 5-dihydroxy-hept-6-e-noat |
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AU2002356667A1 (en) * | 2002-01-10 | 2003-07-24 | Bundesdruckerei Gmbh | Valuable document or security document comprising a switch |
WO2005008275A1 (en) | 2003-07-08 | 2005-01-27 | Lightswitch Safety Systems, Inc. | Method and element for light detecting and angle of view compensation for optical devices |
US20090135735A1 (en) * | 2007-11-27 | 2009-05-28 | Tellabs Operations, Inc. | Method and apparatus of RTP control protocol (RTCP) processing in real-time transport protocol (RTP) intermediate systems |
US20090135724A1 (en) * | 2007-11-27 | 2009-05-28 | Tellabs Operations, Inc. | Method and apparatus of RTP control protocol (RTCP) processing in real-time transport protocol (RTP) intermediate systems |
US8639739B1 (en) * | 2007-12-27 | 2014-01-28 | Amazon Technologies, Inc. | Use of peer-to-peer teams to accomplish a goal |
JP6853670B2 (ja) | 2014-01-16 | 2021-04-07 | ダブリュー・アール・グレース・アンド・カンパニー−コーンW R Grace & Co−Conn | 親和性クロマトグラフィー媒体及びクロマトグラフィーデバイス |
JP6914189B2 (ja) * | 2014-05-02 | 2021-08-04 | ダブリュー・アール・グレース・アンド・カンパニー−コーンW R Grace & Co−Conn | 官能化担体材料並びに官能化担体材料を作製及び使用する方法 |
ES2896897T3 (es) | 2015-06-05 | 2022-02-28 | Grace W R & Co | Agentes de clarificación para el bioprocesamiento de adsorbentes y métodos para producir y usar los mismos |
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JPH075161A (ja) * | 1992-11-10 | 1995-01-10 | Chuichi Hirayama | 高性能液体クロマトグラフィー用充填剤 |
JPH07126193A (ja) * | 1993-11-05 | 1995-05-16 | Hisanori Fukumoto | 高級脂肪酸類、高級アルコール類および芳香族化合物類の精製方法 |
-
1997
- 1997-04-08 DE DE19714343A patent/DE19714343A1/de not_active Withdrawn
-
1998
- 1998-03-26 DK DK98919159T patent/DK0973705T3/da active
- 1998-03-26 AT AT98919159T patent/ATE300509T1/de not_active IP Right Cessation
- 1998-03-26 DE DE59812963T patent/DE59812963D1/de not_active Expired - Lifetime
- 1998-03-26 WO PCT/EP1998/001788 patent/WO1998045230A1/de active IP Right Grant
- 1998-03-26 US US09/380,332 patent/US6274736B1/en not_active Expired - Fee Related
- 1998-03-26 JP JP54231798A patent/JP2001521507A/ja not_active Ceased
- 1998-03-26 EP EP98919159A patent/EP0973705B1/de not_active Expired - Lifetime
- 1998-03-26 AU AU72112/98A patent/AU7211298A/en not_active Abandoned
- 1998-04-07 AR ARP980101599A patent/AR014341A1/es not_active Application Discontinuation
- 1998-04-07 ZA ZA982948A patent/ZA982948B/xx unknown
-
2001
- 2001-01-10 US US09/757,919 patent/US6689889B2/en not_active Expired - Fee Related
Patent Citations (9)
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EP0155637A2 (de) * | 1984-03-19 | 1985-09-25 | Daicel Chemical Industries, Ltd. | Trennungsmittel |
EP0183132A2 (de) * | 1984-11-19 | 1986-06-04 | Merck Frosst Canada Inc. | Verfahren zur Herstellung von HMG-CoA-Reduktase-Hemmern und verwendete zwischenprodukte dafür |
US4897490A (en) * | 1987-02-25 | 1990-01-30 | Bristol-Meyers Company | Antihypercholesterolemic tetrazole compounds |
EP0319847A2 (de) * | 1987-12-08 | 1989-06-14 | Hoechst Aktiengesellschaft | Verfahren zur Herstellung optisch aktiver 3-Desmethylmevalonsäurederivate sowie Zwischenprodukte |
EP0379917A2 (de) * | 1989-01-26 | 1990-08-01 | Bayer Ag | Optisch aktive (Meth)Acrylsäure-Derivate, ihre Herstellung, ihre Polymerisation zu optisch aktiven Polymeren und deren Verwendung |
EP0409281A1 (de) * | 1989-07-21 | 1991-01-23 | Warner-Lambert Company | [R-(R*R*)]-2-(4-Fluorophenyl)-beta,delta-dihydroxy-5-(1-methylethyl-3-phenyl-4-[(phenylamino)-carbonyl]-1H-pyrrol-1-heptansäure, ihre Lactonform und Salze davon |
WO1992014692A1 (en) * | 1991-02-11 | 1992-09-03 | Rhone-Poulenc Rorer International (Holdings) Inc. | Enantioselective preparation of acetylenic or olefinic substituted cycloalkenyl dihydroxybutyrates and 4-hydroxy-tetrahydropyran-2-ones |
EP0617019A1 (de) * | 1993-03-24 | 1994-09-28 | Bayer Ag | Verfahren zur Herstellung von 3R,5S-(+)-Natrium-erythro-(E)-7-[4-(4-fluorphenyl)--2,6-diisopropyl-5-methoxymethyl-pyrid-3-yl]-3,5-dihydroxy-hept-6-enoat |
EP0780408A2 (de) * | 1995-12-11 | 1997-06-25 | Bayer Ag | Chirale stationäre Phasen für die chromatographische Trennung von optischen Isomeren |
Non-Patent Citations (1)
Title |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003008383A1 (de) * | 2001-07-18 | 2003-01-30 | Bayer Aktiengesellschaft | Herstellung von enantiomerenreinem 3r, 5s- (+) natrium erythro- (e) 7-'4-(4-fluorophenyl)-2, 6-diisopropyl-5-methoxymethyl-pyrid-3-yl!-3, 5-dihydroxy-hept-6-e-noat |
Also Published As
Publication number | Publication date |
---|---|
EP0973705B1 (de) | 2005-07-27 |
DE59812963D1 (de) | 2005-09-01 |
EP0973705A1 (de) | 2000-01-26 |
ATE300509T1 (de) | 2005-08-15 |
DE19714343A1 (de) | 1998-10-15 |
DK0973705T3 (da) | 2005-11-07 |
AU7211298A (en) | 1998-10-30 |
JP2001521507A (ja) | 2001-11-06 |
US20020133017A1 (en) | 2002-09-19 |
US6274736B1 (en) | 2001-08-14 |
AR014341A1 (es) | 2001-02-28 |
US6689889B2 (en) | 2004-02-10 |
ZA982948B (en) | 1998-10-09 |
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