[go: up one dir, main page]

ES2113374T3 - Catalizadores quirales y reacciones de epoxidacion catalizadas por los mismos. - Google Patents

Catalizadores quirales y reacciones de epoxidacion catalizadas por los mismos.

Info

Publication number
ES2113374T3
ES2113374T3 ES91907292T ES91907292T ES2113374T3 ES 2113374 T3 ES2113374 T3 ES 2113374T3 ES 91907292 T ES91907292 T ES 91907292T ES 91907292 T ES91907292 T ES 91907292T ES 2113374 T3 ES2113374 T3 ES 2113374T3
Authority
ES
Spain
Prior art keywords
same
chiral catalysts
reactions catalyzed
epoxidation reactions
catalysts
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.)
Expired - Lifetime
Application number
ES91907292T
Other languages
English (en)
Inventor
Eric N Jacobsen
Wei Zhang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Research Corp Technologies Inc
Original Assignee
Research Corp Technologies Inc
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 Research Corp Technologies Inc filed Critical Research Corp Technologies Inc
Application granted granted Critical
Publication of ES2113374T3 publication Critical patent/ES2113374T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B01J31/22—Organic complexes
    • B01J31/2204—Organic complexes the ligands containing oxygen or sulfur as complexing atoms
    • B01J31/2208—Oxygen, e.g. acetylacetonates
    • B01J31/2226—Anionic ligands, i.e. the overall ligand carries at least one formal negative charge
    • B01J31/2243—At least one oxygen and one nitrogen atom present as complexing atoms in an at least bidentate or bridging ligand
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C251/00—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton
    • C07C251/02—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton containing imino groups
    • C07C251/24—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton containing imino groups having carbon atoms of imino groups bound to carbon atoms of six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D301/00—Preparation of oxiranes
    • C07D301/02—Synthesis of the oxirane ring
    • C07D301/03—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
    • C07D301/14—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with organic peracids, or salts, anhydrides or esters thereof
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D303/00—Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
    • C07D303/02—Compounds containing oxirane rings
    • C07D303/04—Compounds containing oxirane rings containing only hydrogen and carbon atoms in addition to the ring oxygen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D303/00—Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
    • C07D303/02—Compounds containing oxirane rings
    • C07D303/48—Compounds containing oxirane rings with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms, e.g. ester or nitrile radicals
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • C07D493/04—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • C07D493/10—Spiro-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F13/00—Compounds containing elements of Groups 7 or 17 of the Periodic Table
    • C07F13/005—Compounds without a metal-carbon linkage
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F19/00—Metal compounds according to more than one of main groups C07F1/00 - C07F17/00
    • C07F19/005—Metal compounds according to more than one of main groups C07F1/00 - C07F17/00 without metal-C linkages
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02—Silicon compounds
    • C07F7/08—Compounds having one or more C—Si linkages
    • C07F7/0803—Compounds with Si-C or Si-Si linkages
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02—Silicon compounds
    • C07F7/08—Compounds having one or more C—Si linkages
    • C07F7/0803—Compounds with Si-C or Si-Si linkages
    • C07F7/081—Compounds with Si-C or Si-Si linkages comprising at least one atom selected from the elements N, O, halogen, S, Se or Te
    • 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
    • B01J2231/70—Oxidation reactions, e.g. epoxidation, (di)hydroxylation, dehydrogenation and analogues
    • B01J2231/72—Epoxidation
    • 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
    • B01J2531/0238—Complexes comprising multidentate ligands, i.e. more than 2 ionic or coordinative bonds from the central metal to the ligand, the latter having at least two donor atoms, e.g. N, O, S, P
    • B01J2531/0241—Rigid ligands, e.g. extended sp2-carbon frameworks or geminal di- or trisubstitution
    • B01J2531/0252—Salen ligands or analogues, e.g. derived from ethylenediamine and salicylaldehyde
    • 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
    • B01J2531/60—Complexes comprising metals of Group VI (VIA or VIB) as the central metal
    • B01J2531/62—Chromium
    • 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
    • B01J2531/70—Complexes comprising metals of Group VII (VIIB) as the central metal
    • B01J2531/72—Manganese
    • 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
    • B01J2531/84—Metals of the iron group
    • B01J2531/842—Iron
    • 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
    • B01J2531/84—Metals of the iron group
    • B01J2531/845—Cobalt
    • 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
    • B01J2531/84—Metals of the iron group
    • B01J2531/847—Nickel
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00—Systems containing only non-condensed rings
    • C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
    • C07C2601/14—The ring being saturated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Catalysts (AREA)
  • Epoxy Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Medicinal Preparation (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

SE DESVELAN CATALIZADORES QUIRALES PARA EPOXIDACION, ENANTIOSELECTIVAMENTE, DE UNA OLEFINA PROQUIRAL, JUNTO CON METODOS DE UTILIZACION DE TALES CATALIZADORES. DE ACUERDO CON UN ASPECTO DE LA INVENCION, EL CATALIZADOR ES UN DERIVADO SALINO QUE TIENE LA ESTRUCTURA GENERAL (I)
ES91907292T 1990-03-21 1991-03-21 Catalizadores quirales y reacciones de epoxidacion catalizadas por los mismos. Expired - Lifetime ES2113374T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US49699290A 1990-03-21 1990-03-21

Publications (1)

Publication Number Publication Date
ES2113374T3 true ES2113374T3 (es) 1998-05-01

Family

ID=23975023

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91907292T Expired - Lifetime ES2113374T3 (es) 1990-03-21 1991-03-21 Catalizadores quirales y reacciones de epoxidacion catalizadas por los mismos.

Country Status (10)

Country Link
EP (1) EP0521099B1 (es)
JP (2) JP3487847B2 (es)
AT (1) ATE161538T1 (es)
AU (1) AU648301B2 (es)
CA (1) CA2077541C (es)
DE (1) DE69128528T2 (es)
DK (1) DK0521099T3 (es)
ES (1) ES2113374T3 (es)
GR (1) GR3032114T3 (es)
WO (1) WO1991014694A1 (es)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK0643626T3 (da) * 1991-08-26 2002-05-13 Res Corp Technologies Inc Fremgangsmåde til fremstilling af epoxychromaner med en chiral katalysator
US5352814A (en) * 1991-08-30 1994-10-04 Nissan Chemical Industries, Ltd. Asymmetric epoxidation reaction
FI930148L (fi) * 1992-01-18 1993-07-19 Hoechst Ag Foerfarande foer enantioselektiv epoxidation av i 6-staellning substituerade kromener
GB9203596D0 (en) * 1992-02-20 1992-04-08 Smithkline Beecham Plc Novel process
CN1043425C (zh) * 1992-08-06 1999-05-19 史密丝克莱恩比彻姆有限公司 亚水杨基氨基过渡金属配合物及其制法
UA27973C2 (uk) * 1993-04-02 2000-10-16 Ніссан Кемікал Індастріз Лтд Лікарський засіб для лікування серцевої недостатності
US6031115A (en) * 1993-05-14 2000-02-29 Smithkline Beecham Plc Process for preparing epoxides
DE69412188T2 (de) * 1993-06-19 1999-03-11 Ciba Specialty Chemicals Holding Inc., Basel Inhibierung der Wiederabsorption von migrierenden Farbstoffen in der Waschlösung
DE69532849T2 (de) * 1994-02-04 2005-04-28 Smithkline Beecham Plc, Brentford Verfahren zum Epoxidieren prochiraler Olefine
US5599957A (en) * 1994-02-23 1997-02-04 Nissan Chemical Industries, Ltd. Asymmetric epoxidation reaction
EP0693550B1 (en) * 1994-07-21 2004-06-16 Ciba SC Holding AG Fabric bleaching composition
US5786496A (en) * 1994-08-22 1998-07-28 Northwestern University High oxidation state metal oxo complexes of the PHAB ligand
GB9425296D0 (en) * 1994-12-15 1995-02-15 Ciba Geigy Ag Inhibition of dye migration
US5665890A (en) * 1995-03-14 1997-09-09 President And Fellows Of Harvard College Stereoselective ring opening reactions
US6262278B1 (en) 1995-03-14 2001-07-17 President And Fellows Of Harvard College Stereoselective ring opening reactions
SK7599A3 (en) 1996-07-26 1999-07-12 Nissan Chemical Ind Ltd Chroman derivatives and pharmaceutical composition containing the same
DE19719397A1 (de) * 1997-05-07 1998-11-12 Clariant Gmbh Bleichaktive Metall-Komplexe
US5981424A (en) * 1997-07-31 1999-11-09 Sunoco, Inc. (R&M) Catalysts for hydroxylation and ammination of aromatics using molecular oxygen as the terminal oxidant without coreductant
ATE279502T1 (de) * 1997-09-09 2004-10-15 Ciba Sc Holding Ag Verfahren zur gewebepflege
TW408203B (en) 1998-04-06 2000-10-11 Ciba Sc Holding Ag Process for treating textile materials and the relevant compounds
US6521561B1 (en) * 1998-05-01 2003-02-18 President And Fellows Of Harvard College Main-group metal based asymmetric catalysts and applications thereof
AU3959099A (en) 1998-06-03 1999-12-20 Nissan Chemical Industries Ltd. Indan derivatives
JP2002030079A (ja) * 1999-08-03 2002-01-29 Mitsubishi Chemicals Corp 光学活性１，２−二置換−２，３−エポキシプロパン類の製造法
EP1214307B1 (en) 1999-09-24 2004-04-07 Nissan Chemical Industries, Ltd. 4-oxybenzopyran derivative
US6677371B1 (en) 1999-10-05 2004-01-13 Nissan Chemical Industries, Ltd. 4-oxybenzopyran derivative
AU5891201A (en) * 2000-05-24 2001-12-03 Rstech Co., Ltd. Novel chiral salen catalysts, and a process for preparing chiral compounds from racemic epoxides for using them
KR100342659B1 (en) 2000-12-15 2002-07-04 Rstech Co Ltd Chiral polymer salene catalyst and process for preparing chiral compounds from racemic epoxide using the same
IL159218A0 (en) 2001-06-25 2004-06-01 Nissan Chemical Ind Ltd Substituted benzopyran derivatives against arrhythmia
US7368582B2 (en) 2003-10-17 2008-05-06 Solvay Pharmaceuticals Gmbh Amidomethyl-substituted 2-(4-sulfonylamino)-3-hydroxy-3,4-dihydro-2H-chromen-6-yl compounds, a process and intermediates for their production, and pharmaceutical compositions containing them
FR2875500A1 (fr) * 2004-09-21 2006-03-24 Centre Nat Rech Scient Complexe chiraux macrocycliques utilisables comme catalyseurs
US7714150B2 (en) 2005-04-12 2010-05-11 Solvay Pharmaceuticals Gmbh Aminoalkyl-amidomethyl-substituted 2-(4-sulphonylamino)-3-hydroxy-3,4-dihydro-2H-chroman-6-yl derivatives
JP2008255086A (ja) * 2007-03-10 2008-10-23 Nissan Chem Ind Ltd 光学活性エポキシ化合物の製造方法
CN103333330A (zh) 2008-09-08 2013-10-02 诺沃梅尔公司 聚碳酸酯多元醇组合物和方法
EP2264024A1 (en) 2008-10-14 2010-12-22 LEK Pharmaceuticals d.d. Process for the preparation of enantiomerically enriched proton pump inhibitors
TWI426090B (zh) * 2011-05-31 2014-02-11 Tsrc Corp 製造環氧化聚合物的方法
JP6110379B2 (ja) 2011-07-18 2017-04-05 ノボマー， インコーポレイテッド 金属錯体
ES2761880T3 (es) 2012-08-24 2020-05-21 Saudi Aramco Tech Co Complejos metálicos
US9611345B2 (en) * 2013-04-17 2017-04-04 Reliance Industries Limited Transition metal based pro-catalyst and a process for its preparation
WO2018151019A1 (ja) * 2017-02-14 2018-08-23 セントラル硝子株式会社 立体選択的な二置換ハロゲン化エポキシドの製造方法
US11180609B2 (en) 2018-08-02 2021-11-23 Saudi Aramco Technologies Company Sustainable polymer compositions and methods
JP2024525422A (ja) 2021-06-23 2024-07-12 サウジ アラムコ テクノロジーズ カンパニー ポリオール組成物及び方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2588265B3 (fr) * 1985-10-04 1988-01-15 Inst Francais Du Petrole Procede d'adoucissement d'une charge d'hydrocarbures contenant des produits soufres
DE3539268A1 (de) * 1985-11-06 1987-05-07 Degussa Verfahren zur katalytischen epoxidation von olefinen mit wasserstoffperoxid

Also Published As

Publication number Publication date
WO1991014694A1 (en) 1991-10-03
DE69128528T2 (de) 1998-07-30
CA2077541A1 (en) 1991-09-22
ATE161538T1 (de) 1998-01-15
EP0521099B1 (en) 1997-12-29
DE69128528D1 (de) 1998-02-05
AU7555391A (en) 1991-10-21
GR3032114T3 (en) 2000-04-27
EP0521099A1 (en) 1993-01-07
AU648301B2 (en) 1994-04-21
DK0521099T3 (da) 1998-09-07
JPH05507645A (ja) 1993-11-04
EP0521099A4 (en) 1993-10-20
JP3487847B2 (ja) 2004-01-19
JP2004148290A (ja) 2004-05-27
CA2077541C (en) 1998-08-18

Similar Documents

Publication Publication Date Title
ES2113374T3 (es) Catalizadores quirales y reacciones de epoxidacion catalizadas por los mismos.
ES2171159T3 (es) Procedimiento para la preparacion de epoxicromanos con un catalizador quiral.
ES2051994T3 (es) Epoxidacion selectiva de olefinas.
NO883826L (no) Fremgangsmaate ved heterogen katalyse.
BR9500294A (pt) Processo para a estabilização de um sistema catalítico para a produção de olefinas bem como processo para tal produção
DK0882503T3 (da) Fremgangsmåde til forbedring af aktiviteten for katalysatorer
NO175535C (no) Katalysator for polymerisering av olefiner
AT362754B (de) Traegerkatalysatoren auf silberbasis zur epoxidierung von olefinen, insbesondere aethylen
BR9206219A (pt) Processo para a epoxidação de um grupo olefínico, meio reacional no qual reações de epoxidação podem ser conduzidas, processo para a preparação de um catalisador para epoxidação e catalisador para epoxidação
ES2012800B3 (es) Catalizadores de transformacion de hidrocarburos.
MY104723A (en) Selective epoxidation of olefins.
CA2043455A1 (en) Hydroxyalkylation of phenols or thiophenols with cyclic organic carbonates using triorganophosphine catalysts
LTIP1891A (en) Method for the purification of taxoides
RO117094B1 (ro) Procedeu pentru epoxidarea enantioselectivă a olefinelor prochirale
FI830048A0 (fi) Anvaendning av stabiliserade, pelarformade leror i skikt som katalysatorer i reaktioner som katalyseras av protoner
ATE250048T1 (de) Katalytische asymmetrische epoxidierung
DE69002468D1 (de) Von nickel katalysierte verdraengungsreaktion.
BR9709677A (pt) Composto, complexo, e, processo para formar um composto
BR9909047A (pt) Processo de fabricação de um oxirano
ATE117998T1 (de) Epoxydierungsverfahren.
CA2321839A1 (en) Epoxidation process using supported gold catalyst
NO864447D0 (no) Katalysator-forloeper, f.eks. for ammoniakksyntese-katalysatorer.
ATE292125T1 (de) Verfahren zur herstellung von oxiranen
ES2174444T3 (es) Procedimiento monoetapa para la obtencion de mono-eteres de glicol a partir de olefinas.
ATE148695T1 (de) Epoxidation mittels thalium-aktivierten silberkatalysatoren

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 521099

Country of ref document: ES