ATE239685T1 - Reduktion von carbonylverbindungen durch ein silanderivat in gegenwart eines zink-katalysator - Google Patents

Reduktion von carbonylverbindungen durch ein silanderivat in gegenwart eines zink-katalysator

Info

Publication number
ATE239685T1
ATE239685T1 AT99902787T AT99902787T ATE239685T1 AT E239685 T1 ATE239685 T1 AT E239685T1 AT 99902787 T AT99902787 T AT 99902787T AT 99902787 T AT99902787 T AT 99902787T AT E239685 T1 ATE239685 T1 AT E239685T1
Authority
AT
Austria
Prior art keywords
reduction
silande
derivative
carbonyl compounds
zinc catalyst
Prior art date
Application number
AT99902787T
Other languages
English (en)
Inventor
Hubert Mimoun
Original Assignee
Firmenich & Cie
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 Firmenich & Cie filed Critical Firmenich & Cie
Application granted granted Critical
Publication of ATE239685T1 publication Critical patent/ATE239685T1/de

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
    • 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
    • B01J31/18—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms
    • B01J31/1805—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms the ligands containing nitrogen
    • 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
    • B01J31/18—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms
    • B01J31/1805—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms the ligands containing nitrogen
    • B01J31/181—Cyclic ligands, including e.g. non-condensed polycyclic ligands, comprising at least one complexing nitrogen atom as ring member, e.g. pyridine
    • 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
    • B01J31/18—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms
    • B01J31/1805—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms the ligands containing nitrogen
    • B01J31/181—Cyclic ligands, including e.g. non-condensed polycyclic ligands, comprising at least one complexing nitrogen atom as ring member, e.g. pyridine
    • B01J31/1815—Cyclic ligands, including e.g. non-condensed polycyclic ligands, comprising at least one complexing nitrogen atom as ring member, e.g. pyridine with more than one complexing nitrogen atom, e.g. bipyridyl, 2-aminopyridine
    • 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
    • B01J31/223—At least two oxygen atoms present in one at least bidentate or bridging ligand
    • B01J31/2239—Bridging ligands, e.g. OAc in Cr2(OAc)4, Pt4(OAc)8 or dicarboxylate ligands
    • 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
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/132—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group
    • C07C29/136—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH
    • C07C29/14—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of a —CHO group
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/132—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group
    • C07C29/136—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH
    • C07C29/143—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of ketones
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/132—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group
    • C07C29/136—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH
    • C07C29/147—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of carboxylic acids or derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C403/00—Derivatives of cyclohexane or of a cyclohexene or of cyclohexadiene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene or cyclohexadiene rings, e.g. vitamin A, beta-carotene, beta-ionone
    • C07C403/02—Derivatives of cyclohexane or of a cyclohexene or of cyclohexadiene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene or cyclohexadiene rings, e.g. vitamin A, beta-carotene, beta-ionone having side-chains containing only carbon and hydrogen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C403/00—Derivatives of cyclohexane or of a cyclohexene or of cyclohexadiene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene or cyclohexadiene rings, e.g. vitamin A, beta-carotene, beta-ionone
    • C07C403/06—Derivatives of cyclohexane or of a cyclohexene or of cyclohexadiene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene or cyclohexadiene rings, e.g. vitamin A, beta-carotene, beta-ionone having side-chains substituted by singly-bound oxygen atoms
    • C07C403/08—Derivatives of cyclohexane or of a cyclohexene or of cyclohexadiene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene or cyclohexadiene rings, e.g. vitamin A, beta-carotene, beta-ionone having side-chains substituted by singly-bound oxygen atoms by hydroxy groups
    • 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
    • B01J2231/60—Reduction reactions, e.g. hydrogenation
    • B01J2231/64—Reductions in general of organic substrates, e.g. hydride reductions or hydrogenations
    • 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
    • B01J2531/0213—Complexes without C-metal linkages
    • B01J2531/0216—Bi- or polynuclear complexes, i.e. comprising two or more metal coordination centres, without metal-metal bonds, e.g. Cp(Lx)Zr-imidazole-Zr(Lx)Cp
    • 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
    • B01J2531/20—Complexes comprising metals of Group II (IIA or IIB) as the central metal
    • B01J2531/26—Zinc
    • 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
    • B01J31/223—At least two oxygen atoms present in one at least bidentate or bridging ligand
    • B01J31/2234—Beta-dicarbonyl ligands, e.g. acetylacetonates
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00—Systems containing only non-condensed rings
    • C07C2601/06—Systems containing only non-condensed rings with a five-membered ring
    • C07C2601/10—Systems containing only non-condensed rings with a five-membered ring the ring being unsaturated
    • 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
    • C07C2601/16—Systems containing only non-condensed rings with a six-membered ring the ring being unsaturated
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2602/00—Systems containing two condensed rings
    • C07C2602/02—Systems containing two condensed rings the rings having only two atoms in common
    • C07C2602/14—All rings being cycloaliphatic
    • C07C2602/26—All rings being cycloaliphatic the ring system containing ten carbon atoms
    • C07C2602/28—Hydrogenated naphthalenes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
AT99902787T 1998-04-01 1999-02-25 Reduktion von carbonylverbindungen durch ein silanderivat in gegenwart eines zink-katalysator ATE239685T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH77898 1998-04-01
PCT/IB1999/000329 WO1999050211A1 (en) 1998-04-01 1999-02-25 Reduction of carbonyl compounds by a silane in the presence of a zinc catalyst

Publications (1)

Publication Number Publication Date
ATE239685T1 true ATE239685T1 (de) 2003-05-15

Family

ID=4194974

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99902787T ATE239685T1 (de) 1998-04-01 1999-02-25 Reduktion von carbonylverbindungen durch ein silanderivat in gegenwart eines zink-katalysator

Country Status (10)

Country Link
US (3) US6245952B1 (de)
EP (1) EP0986527B1 (de)
JP (1) JP4169801B2 (de)
CN (1) CN1208295C (de)
AT (1) ATE239685T1 (de)
CA (1) CA2291486A1 (de)
DE (1) DE69907589T2 (de)
ES (1) ES2198886T3 (de)
IL (1) IL133270A (de)
WO (1) WO1999050211A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1202052C (zh) * 1997-09-09 2005-05-18 弗门尼舍有限公司 用硅烷剂/金属化合物/手性配位体实施酮的对映体选择性还原反应
ATE239685T1 (de) * 1998-04-01 2003-05-15 Firmenich & Cie Reduktion von carbonylverbindungen durch ein silanderivat in gegenwart eines zink-katalysator
EA003741B1 (ru) * 1998-06-01 2003-08-28 Энтони Дж. Вербискар Местное трансдермальное лечение
US7955611B2 (en) 2000-01-03 2011-06-07 International Flora Technologies Ltd. Binding and rinse-off of quaternary ammonium compounds for cosmetic and personal care applications
DE10238114A1 (de) * 2002-08-21 2004-03-04 Bayer Ag Optisch aktive Diamine und deren Anwendung in katalytischen Prozessen
JP4962924B2 (ja) * 2005-03-04 2012-06-27 学校法人東京理科大学 光学活性アルコールの製造方法
JP5179430B2 (ja) * 2009-02-27 2013-04-10 国立大学法人名古屋大学 光学活性アルコールの製造方法
CN101844957B (zh) * 2010-03-30 2012-10-24 杭州师范大学 一种α, β-不饱和酮羰基还原成亚甲基的方法
FR2999980A1 (fr) * 2012-12-20 2014-06-27 Bluestar Silicones France Article presentant des proprietes antisalissures et destine a etre utilise dans des applications aquatiques en particulier marines
EP2935489B1 (de) * 2012-12-20 2018-11-28 ELKEM SILICONES France SAS Organopolysiloxanzusammensetzung zur vulkanisation in ein elastomer bei zimmertemperatur und neue organopolysiloxan-polykondensationskatalysatoren
KR101792926B1 (ko) * 2012-12-20 2017-11-02 블루스타 실리콘즈 프랑스 에스에이에스 실온에서 엘라스토머로의 가황에 적합한 오르가노폴리실록산 조성물, 및 신규 오르가노폴리실록산 중축합 촉매
EP2935492B1 (de) * 2012-12-20 2016-10-26 Bluestar Silicones France SAS Artikel mit fäulnisverhindernden eigenschaften, bestimmt zur verwendung in wasser, insbesondere in meerwasser
EP3145961A4 (de) * 2014-05-21 2018-06-27 Dow Corning Corporation Zinkhaltige katalysatoren, verfahren zur herstellung der katalysatoren und zusammensetzungen mit den katalysatoren
JP6514568B2 (ja) * 2015-05-19 2019-05-15 東ソー・ファインケム株式会社 ジアルキル亜鉛部分加水分解物含有溶液及びこの溶液を用いる酸化亜鉛薄膜の製造方法
EP4234522A3 (de) 2015-11-18 2023-10-25 Provivi, Inc. Herstellung von fettsäureolefinderivaten durch olefin-metathese
JP7153937B2 (ja) 2017-02-17 2022-10-17 プロビビ インコーポレイテッド オレフィンメタセシスによるフェロモンおよび関連材料の合成方法
EP3438158B1 (de) 2017-08-01 2020-11-25 Evonik Operations GmbH Herstellung von sioc-verknüpften polyethersiloxanen
IL302573A (en) 2020-11-27 2023-07-01 Firmenich & Cie Reduction using silane in the presence of a zinc catalyst

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3061424A (en) 1957-02-06 1962-10-30 Wacker Chemie Gmbh Method of reducing organometallic compounds
GB8902228D0 (en) * 1989-02-01 1989-03-22 Ici Plc Carbodiimide-isocyanurate rigid foams
US5220020A (en) 1990-11-21 1993-06-15 Massachusetts Institute Of Technology Catalytic reduction of organic carbonyls using metal catalysts
US5227538A (en) * 1990-11-21 1993-07-13 Massachusetts Institute Of Technology Catalytic asymmetric reduction of ketones using metal catalysts
US5449736A (en) * 1993-07-16 1995-09-12 Research Foundation Of The State Of New York Water soluble phosphorylated polysiloxanes
US5831133A (en) * 1994-10-19 1998-11-03 Firmenich Sa Process for the preparation of alcohols
CN1202052C (zh) * 1997-09-09 2005-05-18 弗门尼舍有限公司 用硅烷剂/金属化合物/手性配位体实施酮的对映体选择性还原反应
ATE239685T1 (de) * 1998-04-01 2003-05-15 Firmenich & Cie Reduktion von carbonylverbindungen durch ein silanderivat in gegenwart eines zink-katalysator

Also Published As

Publication number Publication date
DE69907589T2 (de) 2004-03-25
US20030171210A1 (en) 2003-09-11
JP4169801B2 (ja) 2008-10-22
US20010034464A1 (en) 2001-10-25
EP0986527B1 (de) 2003-05-07
JP2002503259A (ja) 2002-01-29
US6770588B2 (en) 2004-08-03
EP0986527A1 (de) 2000-03-22
CN1208295C (zh) 2005-06-29
IL133270A0 (en) 2001-04-30
WO1999050211A1 (en) 1999-10-07
CN1262667A (zh) 2000-08-09
CA2291486A1 (en) 1999-10-07
ES2198886T3 (es) 2004-02-01
US6245952B1 (en) 2001-06-12
IL133270A (en) 2006-06-11
DE69907589D1 (de) 2003-06-12
US6533960B2 (en) 2003-03-18

Similar Documents

Publication Publication Date Title
DE69907589D1 (de) Reduktion von carbonylverbindungen durch ein silanderivat in gegenwart eines zink-katalysator
CA2164685A1 (en) Method for producing an alcohol
MY115716A (en) Components and catalysts for the polymerization of olefins
ATE281423T1 (de) Katalysator und verfahren zur hydrierung von carbonylverbindungen
ES2057754T3 (es) Un derivado de 1-piridilimidazol asi como su produccion y su uso.
DK1171084T3 (da) Zinkholdige tandpastasammensætninger
ZA986801B (en) Chemical compound.
DE60206214D1 (de) Befestigungsanordnung eines Brennstoffzellensystems an einem Fahrzeug
DE69822142D1 (de) Transformation von schimmeln durch agrobacterium, insbesondere von der gattung aspergillus
DK127189D0 (da) Sammenstoedsindretningssystem til erhvervskoeretoejer
ATE217015T1 (de) Oligosidderivat aus einem polyosidantigen von einem pathogenen erreger
DE69519999D1 (de) Umwandlung von methanol zu benzin
MY124985A (en) Solid cleansing composition comprising a choline salt
RS50258B (sr) Postupak za pripremanje citaloprama
NL1001858A1 (nl) Tweepolige plaat voor brandstofcellen.
DE60016189D1 (de) Cyklische verbindungen sowie deren verwendung als vorstufen von duftalkoholen
TR199902213T2 (xx) Pirazol t�revleri haz�rlanmas� i�in bir proses.
DE69101459D1 (de) Tantal enthaltender Katalysator zur Herstellung von Alkoholen aus Synthesegas.
DK0763005T3 (da) Tetrahydroindeno[1,2-d][1,3,2]oxazaboroler og anvendelse deraf som enantioselektive katalysatorer
DE50004236D1 (de) Verfahren zur Herstellung von 1,1,4,4-Tetramethoxybuten-2
CA2249753A1 (en) Improved process for the synthesis of alkylpolyglucosides
ATE474627T1 (de) Einschritt-permanentkosmetikzusammensetzung
DE69332453D1 (de) Arsin als Moderator für die Acetylenumwandlung
AU2001242859A1 (en) Process for preparing a branched polymer
NO961149L (no) Hydrogenering

Legal Events

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