CU22939A3 - Proceso para la síntesis de 1,3 dioles - Google Patents

Proceso para la síntesis de 1,3 dioles

Info

Publication number
CU22939A3
CU22939A3 CU20000144A CU20000144A CU22939A3 CU 22939 A3 CU22939 A3 CU 22939A3 CU 20000144 A CU20000144 A CU 20000144A CU 20000144 A CU20000144 A CU 20000144A CU 22939 A3 CU22939 A3 CU 22939A3
Authority
CU
Cuba
Prior art keywords
dioles
synthesis
dialkylalkoxyborane
trialkylborane
diol
Prior art date
Application number
CU20000144A
Other languages
English (en)
Inventor
Sthal Robert Joseph
Robert Lee Bosch
Thomas Norman Nanninga
Richard Joseph Mccabe
Original Assignee
Warner Lamber Exp Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Warner Lamber Exp Ltd filed Critical Warner Lamber Exp Ltd
Publication of CU22939A3 publication Critical patent/CU22939A3/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D207/30—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members
    • C07D207/34—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members 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
    • C07D207/36—Oxygen or sulfur atoms
    • C07D207/40—2,5-Pyrrolidine-diones
    • C07D207/416—2,5-Pyrrolidine-diones 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 other ring carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B41/00—Formation or introduction of functional groups containing oxygen
    • C07B41/02—Formation or introduction of functional groups containing oxygen of hydroxy or O-metal groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C253/00—Preparation of carboxylic acid nitriles
    • C07C253/30—Preparation of carboxylic acid nitriles by reactions not involving the formation of cyano groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C07C255/01—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms
    • C07C255/19—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms containing cyano groups and carboxyl groups, other than cyano groups, bound to the same saturated acyclic carbon skeleton
    • C07C255/20—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms containing cyano groups and carboxyl groups, other than cyano groups, bound to the same saturated acyclic carbon skeleton the carbon skeleton being further substituted by singly-bound oxygen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C07C255/01—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms
    • C07C255/19—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms containing cyano groups and carboxyl groups, other than cyano groups, bound to the same saturated acyclic carbon skeleton
    • C07C255/21—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms containing cyano groups and carboxyl groups, other than cyano groups, bound to the same saturated acyclic carbon skeleton the carbon skeleton being further substituted by doubly-bound oxygen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D207/30—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members
    • C07D207/34—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Steroid Compounds (AREA)
  • Pyrrole Compounds (AREA)

Abstract

Se describe un proceso mejorado para la preparación de cis-1,3 -dioles en donde se trata una beta-hidroxi cetona con un trialquilborano o dialquilalcoxiborano o una mezcla de trialquilborano y un dialquilalcoxiborano, seguido por la recuperación y reutilización de las especies de alquilborano para convertir la beta-hidroxi cetona adicional en el cis-1, 3-diol3-diol.
CU20000144A 1997-12-19 2000-06-09 Proceso para la síntesis de 1,3 dioles CU22939A3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6819397P 1997-12-19 1997-12-19

Publications (1)

Publication Number Publication Date
CU22939A3 true CU22939A3 (es) 2004-04-13

Family

ID=22081016

Family Applications (1)

Application Number Title Priority Date Filing Date
CU20000144A CU22939A3 (es) 1997-12-19 2000-06-09 Proceso para la síntesis de 1,3 dioles

Country Status (31)

Country Link
US (4) US6433213B1 (es)
EP (1) EP1054860B1 (es)
JP (1) JP2001526256A (es)
KR (2) KR100681366B1 (es)
AR (1) AR014943A1 (es)
AT (1) ATE360608T1 (es)
AU (1) AU755543B2 (es)
BR (1) BR9813760A (es)
CA (1) CA2305618C (es)
CO (1) CO4990941A1 (es)
CU (1) CU22939A3 (es)
CY (1) CY1106612T1 (es)
DE (1) DE69837681T2 (es)
DK (1) DK1054860T3 (es)
ES (1) ES2284219T3 (es)
GT (2) GT199800197AA (es)
HN (1) HN1998000187A (es)
HU (1) HUP0100252A3 (es)
IL (1) IL135562A (es)
IS (1) IS5447A (es)
MY (1) MY118726A (es)
NO (1) NO20003139D0 (es)
NZ (1) NZ504346A (es)
PA (1) PA8464901A1 (es)
PE (1) PE20000136A1 (es)
PL (1) PL193678B1 (es)
PT (1) PT1054860E (es)
SV (1) SV1998000153A (es)
TW (1) TW444000B (es)
WO (1) WO1999032434A1 (es)
ZA (1) ZA9811586B (es)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2391357C (en) 1999-12-17 2009-01-06 Warner Lambert Research And Development Ireland Limited A process for producing crystalline atorvastatin calcium
ES2252088T3 (es) 1999-12-17 2006-05-16 Pfizer Science And Technology Ireland Limited Procedimiento de produccion a escala industrial de la hemisal de calcio de la atorvastatina trihidrato cristalina.
US7608445B1 (en) 1999-12-29 2009-10-27 Verenium Corporation Nitrilases, nucleic acids encoding them and methods for making and using them
US7300775B2 (en) 1999-12-29 2007-11-27 Verenium Corporation Methods for producing α-substituted carboxylic acids using nitrilases and strecker reagents
US7521216B2 (en) * 1999-12-29 2009-04-21 Verenium Corporation Nitrilases and methods for making and using them
US20040014195A1 (en) * 1999-12-29 2004-01-22 Diversa Corporation Nitrilases, nucleic acids encoding them and methods for making and using them
IL158151A0 (en) * 2001-04-05 2004-03-28 Nissan Chemical Ind Ltd Method for preparing 7-quinolinyl-3, 5-dihydroxyhept-6-enoate
CA2451159A1 (en) 2001-07-06 2003-01-16 Teva Pharmaceutical Industries Ltd. Process for the preparation of 7-amino syn 3,5-dihydroxy heptanoic acid derivatives via 6-cyano syn 3,5-dihydroxy hexanoic acid derivatives
US7317123B2 (en) 2001-07-06 2008-01-08 Teva Pharmaceutical Industries, Ltd Process for preparation of 7-amino syn 3,5-dihydroxy heptanoic acid derivatives, intermediates thereof and methods for their preparation
GB0211715D0 (en) * 2002-05-22 2002-07-03 Phoenix Chemicals Ltd Process
AU2003251523A1 (en) 2002-06-13 2003-12-31 Diversa Corporation Processes for making (r)-ethyl 4-cyano-3-hydroxybutyric acid
DE60336324D1 (de) * 2002-08-09 2011-04-21 Codexis Inc Enzymatische verfahren zur herstellung 4-substituierter 3-hydroxybuttersäure-derivate
US7232920B2 (en) * 2003-04-22 2007-06-19 Biocon Process for stereoselective reduction of β-ketoesters
US7790197B2 (en) * 2003-06-09 2010-09-07 Warner-Lambert Company Llc Pharmaceutical compositions of atorvastatin
US20040253305A1 (en) * 2003-06-12 2004-12-16 Luner Paul E. Pharmaceutical compositions of atorvastatin
US7655692B2 (en) * 2003-06-12 2010-02-02 Pfizer Inc. Process for forming amorphous atorvastatin
US20050271717A1 (en) * 2003-06-12 2005-12-08 Alfred Berchielli Pharmaceutical compositions of atorvastatin
US7541171B2 (en) * 2003-08-11 2009-06-02 Codexis, Inc. Halohydrin dehalogenases and related polynucleotides
CA2535147A1 (en) * 2003-08-11 2005-05-19 Codexis, Inc. Improved glucose dehydrogenase polypeptides and related polynucleotides
US7588928B2 (en) * 2003-08-11 2009-09-15 Codexis, Inc. Halohydrin dehalogenases and related polynucleotides
CA2533838A1 (en) * 2003-08-11 2005-02-24 Codexis, Inc. Improved ketoreductase polypeptides and related polynucleotides
WO2005017141A1 (en) * 2003-08-11 2005-02-24 Codexis, Inc. Improved halohydrin dehalogenases and related polynucleotides
KR20060071397A (ko) * 2003-08-11 2006-06-26 코덱시스, 인코포레이티드 4-치환된 3-히드록시부티르산 유도체 및 이웃자리 시아노,히드록시 치환된 카르복실산 에스테르의 효소적 제조 방법
US20070276027A1 (en) * 2003-09-17 2007-11-29 Warner-Lambert Company Llc Crystalline Forms of [R-(R* ,R*)]-2-(4-Fluorophenyl)-Beta, -Dihydroxy-5-(1-Methylethyl)-3-Phenyl-4-[(Phenylamino)Carbonyl]-1H-Pyrrole-1-Heptanoic Acid
AU2003272080A1 (en) * 2003-09-18 2005-04-06 Biocon Limited Novel process for the preparation of tert-butyl 6-cyano-5-hydroxy-3-oxohexanoate
CA2645396A1 (en) * 2003-12-24 2005-07-14 Teva Pharmaceutical Industries, Ltd Process for preparation of statins with high syn to anti ratio
US7851624B2 (en) * 2003-12-24 2010-12-14 Teva Pharamaceutical Industries Ltd. Triol form of rosuvastatin and synthesis of rosuvastatin
AU2005232959A1 (en) * 2004-04-16 2005-10-27 Pfizer Products Inc. Process for forming amorphous atorvastatin calcium
US7875731B2 (en) 2004-05-05 2011-01-25 Pfizer Inc. Salt forms of [R-(R*,R*)]-2-(4-fluorophenyl)-β, δ-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)Carbonyl]-1H-pyrrole-1-heptanoic acid
AU2005263550C1 (en) * 2004-07-16 2013-01-17 Lek Pharmaceuticals D.D. Oxidative degradation products of atorvastatin calcium
CA2672554C (en) 2004-07-20 2012-01-03 Warner-Lambert Company Llc Novel forms of [r-(r*,r*)]-2-(4-fluorophenyl).beta.,.delta.-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1h-pyrrole-1-heptanoic acid calcium salt (2:1)
EP1807055A1 (en) * 2004-10-28 2007-07-18 Warner-Lambert Company LLC Process for forming amorphous atorvastatin
MX2007005137A (es) 2004-11-23 2007-06-22 Warner Lambert Co Derivados del acido 7-(2h-pyrazol-3-il)-3, 5-dihidroxi-heptanoico como inhibidores de hmg co-a reductasa para el tratamiento de lipidemia.
JP2008521878A (ja) * 2004-12-02 2008-06-26 ワーナー−ランバート カンパニー リミテッド ライアビリティー カンパニー 非晶質アトルバスタチンの医薬組成物及びその製造のための方法
WO2007029217A1 (en) * 2005-09-09 2007-03-15 Pfizer Science And Technology Ireland Limited Preparation of an atorvastatin intermediate
EP1922315B1 (en) * 2005-09-09 2009-05-27 Pfizer Science and Technology Ireland Limited Preparation of an atorvastatin intermediate
CA2547216A1 (en) 2005-09-21 2007-03-21 Renuka D. Reddy Process for annealing amorphous atorvastatin
DK1957452T3 (da) 2005-11-21 2010-07-26 Warner Lambert Co Nye former af [R-(R*,R*)]-2-(4-fluorphenyl)-B,B-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrol-1-heptansyre- magnesium
US7879585B2 (en) 2006-10-02 2011-02-01 Codexis, Inc. Ketoreductase enzymes and uses thereof
US9217164B2 (en) 2007-03-01 2015-12-22 Basf Enzymes Llc Nitrilases, nucleic acids encoding them and methods for making and using them
WO2009137691A2 (en) * 2008-05-09 2009-11-12 The Scripps Research Institute 1,3-diol synthesis via controlled, radical-mediated c-h functionalization
EP2379713A4 (en) * 2008-12-18 2013-07-10 Codexis Inc RECOMBINANT HALOHYDRIN DEHALOGENASE POLYPEPTIDES
EP2327682A1 (en) 2009-10-29 2011-06-01 KRKA, D.D., Novo Mesto Use of amphiphilic compounds for controlled crystallization of statins and statin intermediates
SI2373609T1 (sl) 2008-12-19 2013-12-31 Krka, D.D., Novo Mesto Uporaba amfifilnih spojin za kontrolirano kristalizacijo statinov in intermediatov statinov
US9273158B2 (en) 2011-05-16 2016-03-01 The Regents Of The University Of California Methods for production of hydrocarbons and oxygen-containing hyrdrocarbons
WO2013004591A1 (en) 2011-07-01 2013-01-10 Dsm Sinochem Pharmaceuticals Netherlands B.V. Micronized crystals of atorvastatin hemicalcium
CN108033899B (zh) * 2017-12-06 2020-04-10 浙江科技学院 一种(r)-6-氰基-5-羟基-3-羰基己酸叔丁酯的制备方法
CN111978286A (zh) * 2020-08-21 2020-11-24 江苏万年长药业有限公司 一种制备ats-8的方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GR64043B (en) * 1977-10-01 1980-01-19 Expansia Sa Borane complexes
DE2912708A1 (de) 1979-03-30 1980-10-09 Basf Ag Datenspeichersystem und magnetscheiben dafuer
US5169857A (en) * 1988-01-20 1992-12-08 Bayer Aktiengesellschaft 7-(polysubstituted pyridyl)-hept-6-endates useful for treating hyperproteinaemia, lipoproteinaemia or arteriosclerosis
US5354772A (en) 1982-11-22 1994-10-11 Sandoz Pharm. Corp. Indole analogs of mevalonolactone and derivatives thereof
US4645854A (en) * 1985-04-25 1987-02-24 Merck & Co., Inc. Process for preparing HMG-CoA reductase inhibitors with a 3,5-dihydroxypentanoate subunit
US4898949A (en) * 1987-02-25 1990-02-06 Bristol-Myers Company Intermediates for the preparation of antihypercholesterolemic tetrazole compounds
US4897490A (en) * 1987-02-25 1990-01-30 Bristol-Meyers Company Antihypercholesterolemic tetrazole compounds
DE3741509A1 (de) 1987-12-08 1989-06-22 Hoechst Ag Verfahren zur herstellung optisch aktiver 3-desmethylmevalonsaeurederivate sowie zwischenprodukte
US5001144A (en) * 1987-12-21 1991-03-19 Rhone-Poulenc Rorer Pharmaceuticals Inc. Substituted cyclohexene derivatives as HMG-CoA reductase inhibitors
US5003080A (en) * 1988-02-22 1991-03-26 Warner-Lambert Company Process for trans-6-(2-(substituted-pyrrol-1-yl)alkyl)pryan-2-one inhibitors of cholesterol synthesis
FR2642065B1 (fr) * 1989-01-24 1991-05-24 Lipha Derives d'acides benzocycloalcenyl dihydroxy alcanoiques, procede de preparation et medicaments les contenant
FI94339C (fi) * 1989-07-21 1995-08-25 Warner Lambert Co Menetelmä farmaseuttisesti käyttökelpoisen /R-(R*,R*)/-2-(4-fluorifenyyli)- , -dihydroksi-5-(1-metyylietyyli)-3-fenyyli-4-/(fenyyliamino)karbonyyli/-1H-pyrroli-1-heptaanihapon ja sen farmaseuttisesti hyväksyttävien suolojen valmistamiseksi
DE3929507A1 (de) * 1989-09-06 1991-03-07 Bayer Ag Substituierte amino-pyridine
US5039802A (en) 1990-04-18 1991-08-13 Merck & Co., Inc. Arylation process for preparation of chiral catalysts for ketone reduction
JP3528186B2 (ja) 1991-06-24 2004-05-17 日産化学工業株式会社 光学活性キノリンメバロン酸のジアステレオマー塩
US5155251A (en) 1991-10-11 1992-10-13 Warner-Lambert Company Process for the synthesis of (5R)-1,1-dimethylethyl-6-cyano-5-hydroxy-3-oxo-hexanoate
US5218138A (en) * 1992-09-02 1993-06-08 Rhone-Poulenc Rorer Pharmaceuticals Inc. Stereoselective reduction of 3-hydroxyket-1-ones to 1,3-syn-dihydroxylated compounds
US5298627A (en) * 1993-03-03 1994-03-29 Warner-Lambert Company Process for trans-6-[2-(substituted-pyrrol-1-yl)alkyl]pyran-2-one inhibitors of cholesterol synthesis

Also Published As

Publication number Publication date
CY1106612T1 (el) 2012-01-25
PE20000136A1 (es) 2000-03-11
HUP0100252A1 (hu) 2001-07-30
CO4990941A1 (es) 2000-12-26
US6433213B1 (en) 2002-08-13
CA2305618C (en) 2004-08-17
US20050197500A1 (en) 2005-09-08
NZ504346A (en) 2001-11-30
SV1998000153A (es) 1999-09-30
PL193678B1 (pl) 2007-03-30
PA8464901A1 (es) 2000-05-24
MY118726A (en) 2005-01-31
KR20060080941A (ko) 2006-07-11
US20020161021A1 (en) 2002-10-31
US7232915B2 (en) 2007-06-19
WO1999032434A1 (en) 1999-07-01
DE69837681D1 (de) 2007-06-06
IL135562A (en) 2005-08-31
AU1707499A (en) 1999-07-12
US6596879B2 (en) 2003-07-22
BR9813760A (pt) 2000-10-03
AU755543B2 (en) 2002-12-12
KR100668575B1 (ko) 2007-01-17
KR100681366B1 (ko) 2007-02-12
NO20003139L (no) 2000-06-16
ES2284219T3 (es) 2007-11-01
GT199800197AA (es) 2000-06-06
HUP0100252A3 (en) 2002-12-28
GT199800197A (es) 2000-06-06
US20040006231A1 (en) 2004-01-08
ATE360608T1 (de) 2007-05-15
KR20010033315A (ko) 2001-04-25
PL341294A1 (en) 2001-04-09
NO20003139D0 (no) 2000-06-16
US6962994B2 (en) 2005-11-08
IS5447A (is) 2000-04-14
ZA9811586B (en) 1999-06-17
AR014943A1 (es) 2001-04-11
TW444000B (en) 2001-07-01
HN1998000187A (es) 1999-10-22
PT1054860E (pt) 2007-06-22
IL135562A0 (en) 2001-05-20
EP1054860B1 (en) 2007-04-25
DE69837681T2 (de) 2008-01-10
CA2305618A1 (en) 1999-07-01
DK1054860T3 (da) 2007-07-02
JP2001526256A (ja) 2001-12-18
EP1054860A1 (en) 2000-11-29

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