DE60123845D1 - Ein nickel-rheniumkatalysator verwendbar für reduktiven aminierungsverfahren - Google Patents

Ein nickel-rheniumkatalysator verwendbar für reduktiven aminierungsverfahren

Info

Publication number
DE60123845D1
DE60123845D1 DE60123845T DE60123845T DE60123845D1 DE 60123845 D1 DE60123845 D1 DE 60123845D1 DE 60123845 T DE60123845 T DE 60123845T DE 60123845 T DE60123845 T DE 60123845T DE 60123845 D1 DE60123845 D1 DE 60123845D1
Authority
DE
Germany
Prior art keywords
nickel
reductive amination
catalyst used
rhenium catalyst
rhenium
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
DE60123845T
Other languages
English (en)
Other versions
DE60123845T2 (de
Inventor
J Bartley
Gary Cook
Edward Curry
Kent Mierau
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.)
Union Carbide Chemicals and Plastics Technology LLC
Original Assignee
Union Carbide Chemicals and Plastics Technology LLC
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 Union Carbide Chemicals and Plastics Technology LLC filed Critical Union Carbide Chemicals and Plastics Technology LLC
Publication of DE60123845D1 publication Critical patent/DE60123845D1/de
Application granted granted Critical
Publication of DE60123845T2 publication Critical patent/DE60123845T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D295/00Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
    • C07D295/02Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms containing only hydrogen and carbon atoms in addition to the ring hetero elements
    • C07D295/023Preparation; Separation; Stabilisation; Use of additives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/889Manganese, technetium or rhenium
    • B01J23/8896Rhenium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/04Preparation of compounds containing amino groups bound to a carbon skeleton by substitution of functional groups by amino groups
    • C07C209/14Preparation of compounds containing amino groups bound to a carbon skeleton by substitution of functional groups by amino groups by substitution of hydroxy groups or of etherified or esterified hydroxy groups
    • C07C209/16Preparation of compounds containing amino groups bound to a carbon skeleton by substitution of functional groups by amino groups by substitution of hydroxy groups or of etherified or esterified hydroxy groups with formation of amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C213/00Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton
    • C07C213/02Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton by reactions involving the formation of amino groups from compounds containing hydroxy groups or etherified or esterified hydroxy groups
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/12Silica and alumina
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61Surface area
    • B01J35/61310-100 m2/g
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61Surface area
    • B01J35/615100-500 m2/g

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
DE60123845T 2000-03-03 2001-03-02 Ein nickel-rheniumkatalysator, verwendbar für reduktive aminierungsverfahren Expired - Lifetime DE60123845T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US519724 2000-03-03
US09/519,724 US6534441B1 (en) 1999-03-06 2000-03-03 Nickel-rhenium catalyst for use in reductive amination processes
PCT/US2001/040221 WO2001066247A2 (en) 2000-03-03 2001-03-02 A nickel-rhenium catalyst for use in reductive amination processes

Publications (2)

Publication Number Publication Date
DE60123845D1 true DE60123845D1 (de) 2006-11-23
DE60123845T2 DE60123845T2 (de) 2007-05-16

Family

ID=24069505

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60123845T Expired - Lifetime DE60123845T2 (de) 2000-03-03 2001-03-02 Ein nickel-rheniumkatalysator, verwendbar für reduktive aminierungsverfahren

Country Status (8)

Country Link
US (1) US6534441B1 (de)
EP (1) EP1385625B1 (de)
JP (1) JP5290486B2 (de)
CN (1) CN1192822C (de)
AT (1) ATE342128T1 (de)
AU (1) AU2001250020A1 (de)
DE (1) DE60123845T2 (de)
WO (1) WO2001066247A2 (de)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2819430B1 (fr) * 2001-01-15 2003-02-28 Inst Francais Du Petrole Catalyseur comportant une silice-alumine et son utilisation en hydrocraquage de charges hydrocarbonees
US20020157535A1 (en) * 2001-02-28 2002-10-31 Kanazirev Vladislav I. Process and adsorbent for gas drying
SE524126C2 (sv) 2001-07-24 2004-06-29 Akzo Nobel Nv Förfarande för framställning av dietylentriamin och högre polyetylenpolyaminer genom transaminering av etylendiamin
US7196033B2 (en) * 2001-12-14 2007-03-27 Huntsman Petrochemical Corporation Advances in amination catalysis
US20040127352A1 (en) * 2002-10-16 2004-07-01 Conocophillips Company High hydrothermal stability catalyst support
TWI346574B (en) * 2003-03-31 2011-08-11 Shell Int Research A catalyst composition, a process for preparing the catalyst composition and a use of the catalyst composition
US20050032640A1 (en) * 2003-08-07 2005-02-10 He Huang Method and structure for desulfurizing gasoline or diesel fuel for use in a fuel cell power plant
US7897538B2 (en) * 2004-05-21 2011-03-01 Exxonmobil Research And Engineering Company Process for removing sulfur compounds from hydrocarbon streams and adsorbent used in this process
EP1879833A4 (de) * 2005-05-02 2009-09-30 Symyx Technologies Inc Metall mit hoher oberfläche, metalloxidmaterialien und herstellungsverfahren dafür
KR20100017689A (ko) 2007-05-09 2010-02-16 셀 인터나쵸나아레 레사아치 마아츠샤피 비이부이 에폭시화 촉매, 이 촉매의 제조방법, 및 산화올레핀, 1,2-디올, 1,2-디올 에테르, 1,2-카보네이트 또는 알칸올아민의 생산 방법
US8119558B2 (en) * 2008-03-14 2012-02-21 Süd-Chemie Inc. Ultra high temperature shift catalyst with low methanation
JP5868703B2 (ja) * 2008-05-07 2016-02-24 シエル・インターナシヨナル・リサーチ・マートスハツペイ・ベー・ヴエー オレフィンオキシド、1,2−ジオール、1,2−ジオールエーテル、1,2−カーボネートまたはアルカノールアミンの製造方法
WO2009142926A2 (en) * 2008-05-22 2009-11-26 Dow Global Technologies Inc. A method for preparing a heterogeneous, high-activity platinum-containing, supported hydrogenation catalyst
US8124808B2 (en) * 2008-10-06 2012-02-28 Union Carbide Chemicals & Plastics Technology Llc Transalkoxylation of nucleophilic compounds
US8188318B2 (en) * 2008-10-06 2012-05-29 Union Carbide Chemicals & Plastics Technology Llc Method of manufacturing ethyleneamines
CN102227258B (zh) * 2008-10-06 2014-02-19 联合碳化化学品及塑料技术公司 包括酸性混合金属氧化物作为载体的低金属(镍和铼)催化剂组合物
EP2344445B1 (de) 2008-10-06 2017-05-10 Union Carbide Chemicals & Plastics Technology LLC Verfahren zur selektiven herstellung von diethylentriamin (deta) oder anderen gewünschten ethylenaminen durch kontinuierliche transaminierung von ethylendiamin (eda) und anderen ethylenaminen über einem heterogenen katalysatorsystem
BRPI0914016A2 (pt) * 2008-10-06 2015-07-28 Union Carbide Chem Plastic Método para preparar uma triamina cíclica
EP2487151B1 (de) 2008-10-06 2015-09-02 Dow Global Technologies LLC Verfahren zur Trennung von Alkylenethylenamin(e) aus Ethylenamin(e) Zusammensetzungen
EP2352585B1 (de) * 2008-10-06 2020-06-17 Union Carbide Corporation Aluminiumoxidgeträgerte katalysatorzusammensetzungen mit niedriger metallbeladung und aminierungsverfahren
US20100292076A1 (en) * 2009-05-18 2010-11-18 Sud-Chemie Inc. Ultra high temperature shift catalyst with low methanation
CN101875014B (zh) * 2009-11-17 2012-10-03 中国科学院大连化学物理研究所 一种在临氢条件下一乙醇胺和氨转化为乙二胺的催化剂
CN102781571B (zh) * 2009-12-03 2015-06-17 巴斯夫欧洲公司 用于制备胺的催化剂和方法
EP2506966B1 (de) 2009-12-03 2017-08-16 Basf Se Katalysator und verfahren zur herstellung eines amins
EP2513036B1 (de) * 2009-12-17 2019-04-17 Basf Se Umsetzung von glykolaldehyd mit einem aminierungsmittel
CN103261174B (zh) 2010-11-10 2016-04-20 陶氏环球技术有限责任公司 含氮化合物转氨基制造环状和环状/无环多胺混合物
JP6130298B2 (ja) 2010-11-10 2017-05-17 ダウ グローバル テクノロジーズ エルエルシー 高分子量ポリアルキレンアミンへの窒素含有化合物のアミノ基転移
WO2013095810A1 (en) * 2011-12-22 2013-06-27 Dow Global Technologies Llc Reductive amination of diethanolamine and resulting product mixture
BR112014015972B1 (pt) 2011-12-29 2020-12-29 Dow Global Technologies Llc composição, poliéter poliol de amina, espuma de poliuretano, método para preparar um poliéter poliol de amina e método para preparar uma espuma de poliuretano
BR112014016218A8 (pt) 2011-12-29 2017-07-04 Dow Global Technologies Llc produto de reação, composição de reação e método para manufaturar uma amina polifuncional
US9644066B2 (en) 2011-12-29 2017-05-09 Dow Global Technologies Llc Cyclic amine compounds, compositions, and polyurethane foams made therefrom
US10399064B2 (en) * 2012-03-27 2019-09-03 Dow Global Technologies Llc Rhenium recovery from used reductive amination catalysts
WO2014150384A1 (en) 2013-03-15 2014-09-25 Segetis, Inc. Method of manufacture of octanedioic acid, precursors, and derivatives
EP3077444B1 (de) 2013-12-02 2018-04-25 Dow Global Technologies LLC Herstellung von hochmolekularen, verzweigten, acyclischen polyalkylenaminen und mischungen davon
CN103819344B (zh) * 2013-12-18 2016-04-27 西安近代化学研究所 一种1,2-丙二胺的合成方法
US20180148535A1 (en) 2015-06-19 2018-05-31 Dow Global Technologies Llc Autocatalytic polyol useful for polyurethane foam manufacture
CN109641191B (zh) 2016-06-03 2023-04-04 爱荷华谷类推广协会 将产生己醛糖的碳水化合物高度选择性地转化为乙二醇的连续方法
US10472310B2 (en) 2016-06-03 2019-11-12 Iowa Corn Promotion Board Continuous processes for the highly selective conversion of sugars to propylene glycol or mixtures of propylene glycol and ethylene glycol
KR20190018471A (ko) 2016-06-13 2019-02-22 다우 글로벌 테크놀로지스 엘엘씨 자가촉매 폴리올
CN106242978B (zh) * 2016-07-28 2018-08-31 南京工业大学 一种利用微反应装置制备防老剂6ppd的方法
US10975017B2 (en) 2016-12-15 2021-04-13 Nouryon Chemicals International B.V. Process for manufacturing ethylene amines
US10995058B2 (en) 2016-12-15 2021-05-04 Nouryon Chemicals International B.V. Process for manufacturing hydroxyethyl ethylene amines
GB201904612D0 (en) 2019-04-02 2019-05-15 Univ Leuven Kath Reaction of glycoladehyde
CN111196763B (zh) * 2018-11-16 2021-06-01 中国科学院大连化学物理研究所 一种3-羟基丙腈加氢生产3-氨基丙醇的催化剂及其制备方法
WO2020146618A1 (en) 2019-01-11 2020-07-16 Archer Daniels Midland Company Processes and catalysts for the selective hydrogenation of compounds having carbonyl carbon atoms
CN110052276A (zh) * 2019-04-01 2019-07-26 天津大学 制备双金属催化剂并应用于转化木质素制备芳香类化合物或液体烷烃燃料的方法
CN114008016A (zh) * 2019-06-11 2022-02-01 巴斯夫欧洲公司 通过乙醇醛衍生物和胺化剂的转化以及它们向亚乙基胺类和乙醇胺类的转化获得的产物
WO2020249426A1 (en) 2019-06-11 2020-12-17 Basf Se Conversion of glycolaldehyde with an aminating agent
WO2020249428A1 (en) 2019-06-11 2020-12-17 Basf Se Products obtained by the conversion of glycolaldehyde derivatives and aminating agents and their conversion to ethyleneamines and ethanolamines
CN113713853B (zh) * 2021-09-16 2024-03-22 中触媒新材料股份有限公司 一种环状亚胺制备脂肪二胺的方法及所用催化剂

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3492314A (en) 1965-08-23 1970-01-27 Mitsubishi Petrochemical Co Process for catalytic hydrogenation of dicarboxylic acid anhydride and catalyst therefor
BE765482A (fr) 1970-04-20 1971-08-30 Du Pont Catalyseur de reforming modifie au rhenium
US4123462A (en) 1976-01-07 1978-10-31 Union Carbide Corporation Amination process using nickel-rhenium catalysts
US4255357A (en) 1980-03-24 1981-03-10 Pennwalt Corporation Catalytic process for preparing ethyl amines
SE461095B (sv) 1983-09-09 1990-01-08 Berol Kemi Ab Amineringsfoerfarande med anvaendning av en ruteniumdopad nickel och/eller kovoltkatalysator
US4863890A (en) 1983-09-09 1989-09-05 Berol Kemi Ab Process for preparing a ruthenium-promoted, halogen-containing nickel and/or cobalt catalyst and a catalyst prepared by the process
US4665195A (en) 1983-12-23 1987-05-12 Exxon Research And Engineering Company Process for preparing di-amino-polyalkenyl ethers
US4625030A (en) 1984-05-23 1986-11-25 Union Carbide Corporation Potentiated nickel catalysts for amination
US4657880A (en) * 1985-03-18 1987-04-14 Corning Glass Works Preparation of high surface area agglomerates for catalyst support and preparation of monolithic support structures containing them
US4708945A (en) * 1985-12-31 1987-11-24 Exxon Research And Engineering Company Catalysts comprising silica supported on a boehmite-like surface, their preparation and use
GB8707304D0 (en) 1987-03-26 1987-04-29 Bp Chem Int Ltd Chemical process
US5202491A (en) 1987-09-30 1993-04-13 Union Carbide Chemicals & Plastics Technology Corporation Process for the manufacture of diethylenetriamine
US5196588A (en) * 1987-09-30 1993-03-23 Union Carbide Chemicals & Plastics Technology Corporation Ethylenediamine and diethylenetriamine producers composition and method for producing same
US4918234A (en) 1987-10-13 1990-04-17 Air Products And Chemicals, Inc. Shape selective catalysts for C2 to C4 alkanol amination
US4795733A (en) 1987-11-27 1989-01-03 Gaf Corporation Hydrogenation catalyst and process for its preparation
US5321160A (en) 1991-07-31 1994-06-14 Tosoh Corporation Process for producing an ethylenamine
DE69521289T2 (de) * 1993-12-22 2002-05-02 Union Carbide Chemicals & Plastics Technology Corp., Danbury Reduktive Aminierung zur selektiven Herstellung von Aminoethylethanolamin
US5600000A (en) 1993-12-22 1997-02-04 Union Carbide Chemicals & Plastics Technology Corporation Reductive amination processes for the selective production of amino-ethylethanolamine
CA2146903C (en) 1993-12-22 2000-01-25 Stephen Wayne King Reductive amination catalysts for the selective production of aminoethylethanolamine
DE4429547A1 (de) 1994-08-19 1996-02-22 Basf Ag Verfahren zur Herstellung von Aminen
US5817593A (en) * 1995-06-02 1998-10-06 The Dow Chemical Company Catalyst and process for producing amines
JPH11514401A (ja) * 1995-10-04 1999-12-07 ザ ダウ ケミカル カンパニー アミン末端ポリエーテル及びその製造方法
US6117814A (en) * 1998-02-10 2000-09-12 Exxon Research And Engineering Co. Titania catalysts their preparation and use in fischer-tropsch synthesis

Also Published As

Publication number Publication date
EP1385625A2 (de) 2004-02-04
CN1441698A (zh) 2003-09-10
JP5290486B2 (ja) 2013-09-18
CN1192822C (zh) 2005-03-16
WO2001066247A8 (en) 2003-04-10
ATE342128T1 (de) 2006-11-15
US6534441B1 (en) 2003-03-18
JP2003525738A (ja) 2003-09-02
WO2001066247A2 (en) 2001-09-13
WO2001066247A3 (en) 2002-04-11
EP1385625B1 (de) 2006-10-11
DE60123845T2 (de) 2007-05-16
AU2001250020A1 (en) 2001-09-17

Similar Documents

Publication Publication Date Title
DE60123845D1 (de) Ein nickel-rheniumkatalysator verwendbar für reduktiven aminierungsverfahren
DE50213288D1 (de) Geträgerter Rutheniumkatalysator und Verfahren zur Hydrierung eines aromatischen Amins in Gegenwart dieses Katalysators
ATE116868T1 (de) Trägerkatalysatoren und ein verfahren zu ihrer herstellung.
MX9801912A (es) Hidrogenacion de compuestos aromaticos en los cuales al menos un grupo amino es unido a un nucleo aromatico.
PL358887A1 (en) Process for the preparation of substituted octanoyl amides
NO20021593D0 (no) Fremgangsmåte for fremstilling av höy aktivitets karbonmonoksidhydrogeneringskatalysator;katalysatorsammensetningene, anvendelse av katalysatorene for åutföre slike reaksjoner og produktene av slike reaksjoner
DE59709160D1 (de) Verfahren zur herstellung von phthaliden
BR8605505A (pt) Catalisador,processo para a preparacao de um catalisador e processo para a preparacao de hidrocarbonetos por contactacao de um mistura de monoxido de carbono e hidrogenio
PL363990A1 (en) Arylsulfonamides as antiviral agents
BR0210931A (pt) Processo de preparação de micofenolato de mofetila
ZA891408B (en) Substituted 1,2,4-triazinediones,processes for their preparation and their use
PL360494A1 (en) Process to prepare sulfonamides
DE60004682D1 (de) Hydrierungskatalysatoren
ATE519730T1 (de) Hydrierung von stark verunreinigten methylendianilin
GR3001816T3 (en) Process for the preparation of thienylethyl amines, and dithienylethyl amines so obtained
HUP0302594A2 (hu) Eljárás fenetil-amin-származékok előállítására
HUP0204421A2 (en) Chemically-modified supports and supported catalyst systems prepared therefrom
ES2054435T3 (es) Procedimiento para la fabricacion de cloroformo a partir de tetracloruro de carbono, composiciones cataliticas y procedimiento para su obtencion.
TW328073B (en) A process for producing aromatic amines by gas phase hydrogenation and a catalyst useful therefor
MY134409A (en) Improved catalyst and preparation of alcohols by hydrogenation over this catalyst
NO170148C (no) Fremgangsmaate ved katalytisk hydrogenering av et nitril til et amin
BR0001380A (pt) Composição de catalisador para a produção de poliuretanos e processos para a preparação de espuma de poliuretano
PT1250335E (pt) Processo e intermediarios para a preparacao de imidazopiridinas
MY127293A (en) Piperazinylcarbonylquinolines and -isoquinolines
MX174199B (es) Procedimiento para la hidrogenolisis selectiva de derivados perhalogenados del etano

Legal Events

Date Code Title Description
8364 No opposition during term of opposition