ATE518906T1 - Katalytische depolymerisation von elektrophile bindungen enthaltenden polymeren mittels nukleophilen reagenzien - Google Patents

Katalytische depolymerisation von elektrophile bindungen enthaltenden polymeren mittels nukleophilen reagenzien

Info

Publication number
ATE518906T1
ATE518906T1 AT03800184T AT03800184T ATE518906T1 AT E518906 T1 ATE518906 T1 AT E518906T1 AT 03800184 T AT03800184 T AT 03800184T AT 03800184 T AT03800184 T AT 03800184T AT E518906 T1 ATE518906 T1 AT E518906T1
Authority
AT
Austria
Prior art keywords
depolymerization
catalyst
bonds
containing electrophilic
polymers containing
Prior art date
Application number
AT03800184T
Other languages
English (en)
Inventor
James Hedrick
Pinar Kilickiran
Gregory Nyce
Robert Waymouth
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Application granted granted Critical
Publication of ATE518906T1 publication Critical patent/ATE518906T1/de

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D233/00Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/04Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D233/06Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms
    • C07D233/08Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms with alkyl radicals, containing more than four carbon atoms, directly attached to ring carbon atoms
    • C07D233/12Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms with alkyl radicals, containing more than four carbon atoms, directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
    • C07D233/16Radicals substituted by nitrogen atoms
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00Recovery or working-up of waste materials
    • C08J11/04Recovery or working-up of waste materials of polymers
    • C08J11/10Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/18Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C59/00Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
    • C07C59/235Saturated compounds containing more than one carboxyl group
    • C07C59/245Saturated compounds containing more than one carboxyl group containing hydroxy or O-metal groups
    • C07C59/285Polyhydroxy dicarboxylic acids having five or more carbon atoms, e.g. saccharic acids
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C63/00Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
    • C07C63/307Monocyclic tricarboxylic acids
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/03Preparation of carboxylic acid esters by reacting an ester group with a hydroxy group
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C68/00Preparation of esters of carbonic or haloformic acids
    • C07C68/06Preparation of esters of carbonic or haloformic acids from organic carbonates
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D233/00Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/02Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D233/00Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/04Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D233/00Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/04Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D233/06Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D233/00Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/54Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D307/00Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/26Heterocyclic compounds containing five-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
    • C07D307/30Heterocyclic compounds containing five-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
    • C07D307/32Oxygen atoms
    • C07D307/33Oxygen atoms in position 2, the oxygen atom being in its keto or unsubstituted enol form
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F1/00Compounds containing elements of Groups 1 or 11 of the Periodic Table
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00Recovery or working-up of waste materials
    • C08J11/04Recovery or working-up of waste materials of polymers
    • C08J11/10Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00Recovery or working-up of waste materials
    • C08J11/04Recovery or working-up of waste materials of polymers
    • C08J11/10Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/18Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
    • C08J11/28Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic compounds containing nitrogen, sulfur or phosphorus
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/62Plastics recycling; Rubber recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Polyesters Or Polycarbonates (AREA)
AT03800184T 2002-12-26 2003-12-23 Katalytische depolymerisation von elektrophile bindungen enthaltenden polymeren mittels nukleophilen reagenzien ATE518906T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/330,853 US6911546B2 (en) 2002-12-26 2002-12-26 Catalytic depolymerization of polymers containing electrophilic linkages using nucleophilic reagents
PCT/US2003/041283 WO2004060987A2 (en) 2002-12-26 2003-12-23 Catalytic depolymerization of polymers containing electrophilic linkages using nucleophilic reagents

Publications (1)

Publication Number Publication Date
ATE518906T1 true ATE518906T1 (de) 2011-08-15

Family

ID=32654606

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03800184T ATE518906T1 (de) 2002-12-26 2003-12-23 Katalytische depolymerisation von elektrophile bindungen enthaltenden polymeren mittels nukleophilen reagenzien

Country Status (8)

Country Link
US (4) US6911546B2 (de)
EP (1) EP1576039B1 (de)
JP (2) JP4478581B2 (de)
KR (2) KR100754303B1 (de)
CN (3) CN101100527B (de)
AT (1) ATE518906T1 (de)
AU (1) AU2003299913A1 (de)
WO (1) WO2004060987A2 (de)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7514499B2 (en) 2004-11-09 2009-04-07 E. I. Du Pont De Nemours And Company Ring opening polymerization of cyclic amides using N-heterocyclic carbene catalysts
US7351784B2 (en) * 2005-09-30 2008-04-01 Intel Corporation Chip-packaging composition of resin and cycloaliphatic amine hardener
JP2007295395A (ja) * 2006-04-26 2007-11-08 Fujitsu Ltd タグ用アンテナ及びそれを用いたタグ
FR2907124B1 (fr) * 2006-10-13 2008-12-05 Rhodia Recherches & Tech Procede de traitement d'un article comprenant un materiau plastique recouvert par un materiau silicone.
CN101665566B (zh) * 2008-09-01 2012-01-04 南京工业大学 一种利用双螺杆挤出机制备聚乳酸及其制品的方法
US8309618B2 (en) 2009-07-01 2012-11-13 International Business Machines Corporation Catalytic depolymerization of polymers containing electrophilic linkages using nucleophilic reagents
US8367796B2 (en) * 2009-07-01 2013-02-05 International Business Machines Corporation Catalytic polymerization of polymers containing electrophilic linkages using nucleophilic reagents
US8226985B2 (en) 2010-01-28 2012-07-24 International Business Machines Corporation Surface modified nanoparticles, methods of their preparation, and uses thereof for gene and drug delivery
US8530687B2 (en) 2010-09-07 2013-09-10 University Of Florida Research Foundation, Inc. Catalysts, methods of making catalysts, and methods of use
US9458354B2 (en) 2010-10-06 2016-10-04 Resinate Technologies, Inc. Polyurethane dispersions and methods of making and using same
NL2005976C2 (en) 2011-01-10 2012-07-11 Furanix Technologies Bv Process for the depolymerization of a furan dicarboxylate containing polyester.
US8541477B2 (en) * 2011-03-04 2013-09-24 International Business Machines Corporation Methods of depolymerizing terephthalate polyesters
FR2973274B1 (fr) 2011-03-31 2016-05-06 Rhodia Operations Procede de traitement de textiles techniques
US8957217B2 (en) * 2011-05-31 2015-02-17 The University Of Hong Kong Phosphorescent material, their preparations and applications
CA2838825A1 (en) 2011-06-10 2012-12-13 Kristopher M. Felice Clear coatings acrylic coatings
CN102675614A (zh) * 2012-05-08 2012-09-19 南京工业大学 一种制备聚氨基酸嵌段聚羟基酸共聚物的方法
WO2014008373A1 (en) * 2012-07-05 2014-01-09 Gestalt Chemical Products, Inc. Manufacturing of nitrogen-containing materials
US8680226B1 (en) 2012-12-21 2014-03-25 Saudi Basic Industries Corporation Method for alcoholysis of acrylonitrile-butadiene-styrene-containing polycarbonate compositions
US8680227B1 (en) 2012-12-21 2014-03-25 Saudi Basic Industries Corporation Manufacture of dihydroxy aromatic compounds by alcoholysis of polycarbonate-containing compositions
EP2746249B1 (de) * 2012-12-21 2017-06-07 Saudi Basic Industries Corporation Herstellung von aromatischen Dihydroxyverbindungen durch Alkoholyse von flammhemmerhaltigen Polycarbonatzusammensetzungen
US8846858B2 (en) 2012-12-21 2014-09-30 Saudi Basic Industries Corporation Method for alcoholysis of polycarbonate compositions containing flame retardant or acrylonitrile-butadiene-styrene
US9328046B2 (en) 2013-10-15 2016-05-03 Saudi Basic Industries Corporation Method for direct ammonolysis of polycarbonate-containing materials and products
US9255194B2 (en) * 2013-10-15 2016-02-09 International Business Machines Corporation Methods and materials for depolymerizing polyesters
US10259922B2 (en) 2013-11-06 2019-04-16 The Board Of Trustees Of The Leland Stanford Junior University Methods for modifying a hydrophobic polymer surface and devices thereof
JP2018510225A (ja) 2015-01-30 2018-04-12 レジネート マテリアルズ グループ、インコーポレイテッド Pet及びpttのリサイクル流の統合処理方法
US9550713B1 (en) 2015-07-09 2017-01-24 Loop Industries, Inc. Polyethylene terephthalate depolymerization
PL3377569T3 (pl) 2015-11-20 2020-01-31 The University Of North Carolina At Chapel Hill Recykling chemiczny politereftalanu etylenu poprzez napromieniowywanie mikrofalami
WO2018053372A1 (en) 2016-09-16 2018-03-22 Micromidas, Inc. Polymers and methods of producing thereof
US10252976B1 (en) 2017-09-15 2019-04-09 9449710 Canada Inc. Terephthalic acid esters formation
US12071519B2 (en) 2017-09-15 2024-08-27 9449710 Canada Inc. Terephthalic acid esters formation
SG11202012691XA (en) 2018-06-25 2021-01-28 9449710 Canada Inc Terephthalic acid esters formation
CN108689977A (zh) * 2018-06-30 2018-10-23 迈奇化学股份有限公司 一种δ-戊内酯聚合物的复合解聚剂及其使用方法
JP7243271B2 (ja) * 2019-02-20 2023-03-22 三菱ケミカル株式会社 ポリカーボネート樹脂の製造方法
CN111621014B (zh) * 2019-02-28 2022-09-30 北京大学 基于羟脯氨酸的聚合物及其制备方法和解聚方法
US11248103B2 (en) 2019-03-20 2022-02-15 9449710 Canada Inc. Process for the depolymerization of polyethylene terephthalate (PET)
KR102223614B1 (ko) * 2019-06-12 2021-03-05 한국화학연구원 극성용매 혼합물을 사용한 에스테르 작용기를 포함하는 고분자의 해중합
US11639431B2 (en) 2020-01-23 2023-05-02 Premirr Plastics Inc. Process and system for depolymerizing plastic
CA3168641A1 (en) * 2020-01-23 2021-07-29 Premirr Plastics Inc. Process and system for depolymerizing waste plastic
EP3909999A1 (de) * 2020-05-11 2021-11-17 SHPP Global Technologies B.V. Nachhaltiger polyester aus recyceltem polyethylenterephthalat
CN116655465B (zh) * 2022-02-18 2024-09-06 青岛阿脒诺材料技术有限公司 一种聚酯混纺面料的循环回收利用方法
ES2958484A1 (es) 2022-07-14 2024-02-09 Univ Murcia Procedimiento de despolimerizacion de poliuretano

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87101849A (zh) * 1987-03-10 1988-09-21 陕西省化学研究所 用于聚酯废旧料解聚的方法和催化剂
US4945135A (en) 1988-07-25 1990-07-31 California Institute Of Technology Ring opening metathesis polymerization of strained cyclic ethers
US4883851A (en) 1988-07-25 1989-11-28 California Institute Of Technology Ring opening metathesis polymerization of strained cyclic ethers
WO1996004289A1 (en) * 1992-04-03 1996-02-15 California Institute Of Technology High activity ruthenium or osmium metal carbene complexes for olefin metathesis reactions and synthesis thereof
US5831108A (en) * 1995-08-03 1998-11-03 California Institute Of Technology High metathesis activity ruthenium and osmium metal carbene complexes
DE19611629A1 (de) * 1996-03-25 1997-10-02 Hoechst Ag Heterocyclische Carbene enthaltende Metallkomplexe als Katalysatoren für C-C-Verknüpfungen
US6080826A (en) * 1997-01-06 2000-06-27 California Institute Of Technology Template-directed ring-closing metathesis and ring-opening metathesis polymerization of functionalized dienes
FR2778916B1 (fr) * 1998-05-20 2000-06-30 Rhone Poulenc Fibres Nouveaux complexes organometalliques comprenant des carbenes heterocycliques cationiques et leur procede de preparation
JP4486237B2 (ja) * 2000-09-11 2010-06-23 帝人ファイバー株式会社 ポリエステル廃棄物からの有効成分回収方法
JP2002320499A (ja) * 2001-04-27 2002-11-05 Keio Gijuku ポリアルキレンアルカノエートまたはポリ(3−ヒドロキシアルカノエート)の環状体を主成分とするオリゴマーへの解重合方法、および前記環状オリゴマーの重合方法

Also Published As

Publication number Publication date
CN101117333A (zh) 2008-02-06
JP2010159418A (ja) 2010-07-22
US20040127720A1 (en) 2004-07-01
CN101117333B (zh) 2014-08-20
AU2003299913A8 (en) 2004-07-29
US6916936B2 (en) 2005-07-12
US20040127744A1 (en) 2004-07-01
KR100800348B1 (ko) 2008-02-04
CN100363410C (zh) 2008-01-23
JP2006512460A (ja) 2006-04-13
US20050049418A1 (en) 2005-03-03
WO2004060987A2 (en) 2004-07-22
US20050288508A1 (en) 2005-12-29
CN1742044A (zh) 2006-03-01
KR20050085901A (ko) 2005-08-29
KR100754303B1 (ko) 2007-09-03
EP1576039B1 (de) 2011-08-03
US7053221B2 (en) 2006-05-30
US7544800B2 (en) 2009-06-09
JP5153802B2 (ja) 2013-02-27
JP4478581B2 (ja) 2010-06-09
KR20070032828A (ko) 2007-03-22
WO2004060987A3 (en) 2004-10-07
AU2003299913A1 (en) 2004-07-29
US6911546B2 (en) 2005-06-28
CN101100527A (zh) 2008-01-09
CN101100527B (zh) 2014-02-19
EP1576039A2 (de) 2005-09-21

Similar Documents

Publication Publication Date Title
ATE518906T1 (de) Katalytische depolymerisation von elektrophile bindungen enthaltenden polymeren mittels nukleophilen reagenzien
Ollivier et al. Formation of carbon− nitrogen bonds via a novel radical azidation process
DiRocco et al. Late‐stage functionalization of biologically active heterocycles through photoredox catalysis
Osburn et al. Molecular engineering of organic reagents and catalysts using soluble polymers
Borrel et al. Copper-catalyzed oxyalkynylation of C–S bonds in thiiranes and thiethanes with hypervalent iodine reagents
DE60104129D1 (de) Verfahren zur kontinuierlichen herstellung eines epoxids
ATE432949T1 (de) Verfahren zur herstellung eines ziegler-natta- katalysators
Moore et al. ROMP-generated oligomeric sulfonyl chlorides as versatile soluble scavenging agents
ATE256093T1 (de) Verfahren zur hydrofluorierung von chlorierten kohlenwasserstoffen
BR0010376A (pt) Processo multi-estágios para a (co) polimerizaçãode olefinas, componentes catalìticos e composiçãopolimérica
DE502004009191D1 (de) Nitrilhydrierung in gegenwart ionischer flüssigkeiten an heterogenen katalysatoren
WO2006009946A3 (en) Polymerization process
But et al. A multipolymer system for organocatalytic alcohol oxidation
Pinto Pereira Junior et al. Enantioselective hydrodifluoroalkylation of alkenes with conformationally tuned peptidyl hydrogen atom transfer catalysts
Oss et al. Iodonium-Catalyzed Carbonyl–Olefin Metathesis Reactions
Chen et al. Bimetal cooperatively catalyzed arylalkynylation of alkynylsilanes
BR9808728A (pt) Processo de preparação de hidrocarbonetos halogenados e sistema catalìtico de telomerização
Huang et al. Photosensitized Imino-Thiocyanation of Alkenes
Uenoyama et al. CO-trapping reaction under thermolysis of alkoxyamines: application to the synthesis of 3, 4-cyclopenta-1-tetralones
Crosignani et al. Polymer-supported O-methylisourea: A new reagent for the O-methylation of carboxylic acids
Ruan et al. Photoinduced decatungstate anion-catalyzed 1, 4-difunctionalization of 1, 3-butadienes via C–H activation
BR0210981B1 (pt) processo de preparaÇço de complexos metÁlicos e processo de hidrossililaÇço de compostos etilenicamente e/ou acetilenicamente insaturados
BR0317831B1 (pt) processo para transiÇço de um primeiro sistema catalisador de polimerizaÇço para um segundo sistema catalisador de polimerizaÇço incompatÍvel com o primeiro sistema catalisador de polimerizaÇço em um reator de fase gasosa
Liang et al. Photocatalytic generation of carbocation from thiols and application to Cross-Nucleophile coupling
Raghuvanshi et al. Highly efficient cadmium-catalyzed three-component coupling of an aldehyde, alkyne, and amine via CH Activation under microwave conditions

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties