DK83689D0 - Fremgangsmaade til fremstilling af p-hydroxy-benzaldehyder - Google Patents

Fremgangsmaade til fremstilling af p-hydroxy-benzaldehyder

Info

Publication number
DK83689D0
DK83689D0 DK083689A DK83689A DK83689D0 DK 83689 D0 DK83689 D0 DK 83689D0 DK 083689 A DK083689 A DK 083689A DK 83689 A DK83689 A DK 83689A DK 83689 D0 DK83689 D0 DK 83689D0
Authority
DK
Denmark
Prior art keywords
hyders
benzalde
hydroxy
preparing
porphyrins
Prior art date
Application number
DK083689A
Other languages
English (en)
Other versions
DK83689A (da
Inventor
Albert Schnatterer
Helmut Fiege
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of DK83689D0 publication Critical patent/DK83689D0/da
Publication of DK83689A publication Critical patent/DK83689A/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
    • C07C45/33—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties
    • C07C45/34—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds
    • C07C45/36—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds in compounds containing six-membered aromatic rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DK083689A 1988-02-24 1989-02-23 Fremgangsmaade til fremstilling af p-hydroxy-benzaldehyder DK83689A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3805697A DE3805697A1 (de) 1988-02-24 1988-02-24 Verfahren zur herstellung von p-hydroxy-benzaldehyden

Publications (2)

Publication Number Publication Date
DK83689D0 true DK83689D0 (da) 1989-02-23
DK83689A DK83689A (da) 1989-08-25

Family

ID=6348013

Family Applications (1)

Application Number Title Priority Date Filing Date
DK083689A DK83689A (da) 1988-02-24 1989-02-23 Fremgangsmaade til fremstilling af p-hydroxy-benzaldehyder

Country Status (7)

Country Link
US (1) US4929766A (da)
EP (1) EP0330036B1 (da)
JP (1) JP2788747B2 (da)
AT (1) ATE56937T1 (da)
DE (2) DE3805697A1 (da)
DK (1) DK83689A (da)
IL (1) IL89368A (da)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4012008A1 (de) * 1990-04-13 1991-10-17 Bayer Ag Verfahren zur herstellung von o-hydroxy-benzaldehyden
US5475156A (en) * 1994-06-06 1995-12-12 General Electric Company Method for making a 2,6-dialkylphenol
US5693869A (en) * 1994-12-09 1997-12-02 Council Of Scientific & Industrial Research Process for the single step oxidation of 3-phenoxytoluene to 3-phenoxybenzaldehyde
DE19503163A1 (de) * 1995-02-01 1996-08-08 Bayer Ag Verfahren zur Reinigung von 4-Hydroxybenzaldehyd enthaltenden Reaktionsgemischen
CA2359116C (en) * 1999-01-25 2009-03-17 National Jewish Medical And Research Center Substituted porphyrins
AU5840400A (en) * 1999-07-30 2001-02-19 Port Elizabeth Technikon Process for the production of hydroxy-substituted aromatic aldehydes and ketones
EP1187147B1 (en) * 2000-09-08 2009-12-16 Shin-Etsu Chemical Co., Ltd. Rare-earth alloy, rare-earth sintered magnet, and methods of manufacturing
TW476749B (en) 2000-11-17 2002-02-21 Nat Science Council Process for preparing 2,6-dimethylphenol
CN101462933B (zh) * 2009-01-14 2012-09-05 中北大学 一种催化氧化合成对羟基苯甲醛的方法及设备
CN103183594A (zh) * 2013-03-15 2013-07-03 北京工业大学 金属卟啉-金属盐复合催化剂催化氧化对甲酚制备对羟基苯甲醛的方法
CN111250162B (zh) * 2018-11-30 2023-01-31 中国科学院大连化学物理研究所 一种固体碱催化剂及其制备方法、应用
CN111470952A (zh) * 2020-04-30 2020-07-31 厦门中坤化学有限公司 一种采用选择性氧化间对混合甲酚制备高纯间甲酚的方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1128847B (de) * 1954-08-16 1962-05-03 Ruhrchemie Ag Verfahren zur Herstellung von Carbinolen und Ketonen
US3073867A (en) * 1960-01-11 1963-01-15 Robert D Offenhauer Process for the manufacture of acetophenone
NL6908858A (da) * 1969-06-10 1970-12-14
JPS5581832A (en) * 1978-12-13 1980-06-20 Sumitomo Chem Co Ltd Preparation of p-hydroxybenzaldehyde derivatives
FR2498180A1 (fr) * 1981-01-20 1982-07-23 Hoechst France Procede de preparation d'hydroxybenzaldehydes
US4471140A (en) * 1982-08-19 1984-09-11 The Dow Chemical Company Preparation of aromatic aldehydes
US4453016A (en) * 1982-09-07 1984-06-05 The Dow Chemical Company Preparation of aromatic aldehydes
DE3525848A1 (de) * 1985-07-19 1987-01-22 Hoechst Ag Verfahren zur isolierung von p-hydroxybenzaldehyd
JPS62135443A (ja) * 1985-12-10 1987-06-18 C K Fine Kemikaruzu:Kk パラヒドロキシベンズアルデヒドの製造方法

Also Published As

Publication number Publication date
JPH01254637A (ja) 1989-10-11
DK83689A (da) 1989-08-25
DE3805697A1 (de) 1989-09-07
ATE56937T1 (de) 1990-10-15
EP0330036A1 (de) 1989-08-30
EP0330036B1 (de) 1990-09-26
JP2788747B2 (ja) 1998-08-20
IL89368A (en) 1993-02-21
DE58900015D1 (de) 1990-10-31
US4929766A (en) 1990-05-29
IL89368A0 (en) 1989-09-10

Similar Documents

Publication Publication Date Title
DK83689A (da) Fremgangsmaade til fremstilling af p-hydroxy-benzaldehyder
SE7907631L (sv) Forfarande for framstellning av 1alfa-hydroxylerade foreningar
IE43603L (en) Inhibiting dye transfer during washing
ES8700252A1 (es) Procedimiento para preparar nuevos compuestos indolicos
PT75140A (en) Detergent compounds and compositions
ES2006953A6 (es) Procedimiento de tincion de fibras queratinicas, composicion tintorea y estuche de varios compartimentos.
ATE98631T1 (de) Verfahren zur herstellung von komplexverbindungen.
DK100989D0 (da) Fremgangsmaade til fjernelse af organiske forbindelser fra vand
GR3034887T3 (en) Complexes of chelating ligands and process for their preparation.
DE59102600D1 (de) Verfahren zur Herstellung von o-Hydroxy-benzaldehyden.
ZA914146B (en) Process for dyeing keratinous fibres with 2,4-diamino-1,3-dimethoxybenzene at an acid ph and compositions employed
JPS57183710A (en) Hair dye
SE8002831L (sv) Oxitetracyklinberedningar
DE58907417D1 (de) Verfahren zur Herstellung von Addukten von 1,2-Butylenoxid an Alkohole.
PT82726A (de) Neue derivate des 1,1,2,2-tetramethyl-1,2-bis-(2-fluor-4-hydroxy-phenyl)-ethans
DE59003965D1 (de) Verfahren zur Herstellung von Benzaldehyden.
DE3361569D1 (en) Hair dyeing compositions
DE59912853D1 (de) Verfahren zum oxidativen Färben von menschlichen Haaren
DE50100315D1 (de) Verfahren zur Herstellung von 2,3,5-Trimethyl-p-benzochinon
JPS56169655A (en) Novel coupling component for oxidation hair dye, its manufacture and hair dye containing it
JPS5677293A (en) Manufacture of cobalt*iii**acetylacetonate
MX174372B (es) Compuestos de trifendioxazina hidrosolubles, compuestos intermediarios empleados en la sintesis de los mismos y procedimiento para preparar los mismos
ZA891077B (en) Process for the preparation of 1,2-disulfone compounds
ATE13295T1 (de) Verfahren zur herstellung von 3,3-dimethyl-2alkoxioxiran durch oxidation von 1-alkoxi-2methylpropen.
DE440606T1 (de) Macrocyclische chelatisierungsmittel und daraus hergestellte chelate.

Legal Events

Date Code Title Description
AHS Application shelved for other reasons than non-payment