ZA927686B - A method for the preparation of 2-hydroxymandelic acids and 2-hydroxybenzaldehydes - Google Patents

A method for the preparation of 2-hydroxymandelic acids and 2-hydroxybenzaldehydes

Info

Publication number
ZA927686B
ZA927686B ZA927686A ZA927686A ZA927686B ZA 927686 B ZA927686 B ZA 927686B ZA 927686 A ZA927686 A ZA 927686A ZA 927686 A ZA927686 A ZA 927686A ZA 927686 B ZA927686 B ZA 927686B
Authority
ZA
South Africa
Prior art keywords
hydroxybenzaldehydes
preparation
hydroxymandelic acids
hydroxymandelic
acids
Prior art date
Application number
ZA927686A
Other languages
English (en)
Inventor
Ralph Shuttleworth
Jan Michael Fielden
Daniel Levin
Original Assignee
Zeneca Ltd
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 Zeneca Ltd filed Critical Zeneca Ltd
Publication of ZA927686B publication Critical patent/ZA927686B/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/27Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/32Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
    • C07C45/37Preparation 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 >C—O—functional groups to >C=O groups
    • C07C45/38Preparation 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 >C—O—functional groups to >C=O groups being a primary hydroxyl group
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/27Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/29Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation of hydroxy groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/27Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/29Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation of hydroxy groups
    • C07C45/294Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation of hydroxy groups with hydrogen peroxide
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/27Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/30Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with halogen containing compounds, e.g. hypohalogenation
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/347Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/367Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by introduction of functional groups containing oxygen only in singly bound form

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
ZA927686A 1991-10-11 1992-10-06 A method for the preparation of 2-hydroxymandelic acids and 2-hydroxybenzaldehydes ZA927686B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919121656A GB9121656D0 (en) 1991-10-11 1991-10-11 Chemical process

Publications (1)

Publication Number Publication Date
ZA927686B true ZA927686B (en) 1994-05-06

Family

ID=10702805

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA927686A ZA927686B (en) 1991-10-11 1992-10-06 A method for the preparation of 2-hydroxymandelic acids and 2-hydroxybenzaldehydes

Country Status (8)

Country Link
US (1) US5248816A (xx)
EP (1) EP0536960B1 (xx)
JP (1) JP3283587B2 (xx)
AU (1) AU650172B2 (xx)
CA (1) CA2080279C (xx)
DE (1) DE69213637T2 (xx)
GB (1) GB9121656D0 (xx)
ZA (1) ZA927686B (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2705669B1 (fr) * 1993-05-28 1995-08-25 Hoechst France Procédé de préparation d'acides hydroxyphénylacétiques.
GB9602046D0 (en) * 1996-02-01 1996-04-03 Zeneca Ltd Process
US5982758A (en) 1997-02-13 1999-11-09 Hamdy; Walid M. Method and apparatus for merging neighbor lists in a CDMA mobile telephone system
FR2760745B1 (fr) * 1997-03-11 1999-05-28 Hoechst France Procede industriel de preparation en continu de l'orthohydroxymandelate de sodium
FR2779718B1 (fr) * 1998-06-16 2000-12-29 Rhodia Chimie Sa Procede de preparation de composes p-hydroxymandeliques eventuellement substitues et derives
NL1010090C2 (nl) * 1998-09-15 2000-03-17 Gerard Kessels Sociedad Anonim Werkwijze voor de bereiding van 2- en 4-hydroxyamandelzuur.
FR2917085B1 (fr) * 2007-06-06 2009-07-17 Rhodia Recherches & Tech Procede de preparation d'un aldehyde hydroxyaromatique.

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3867434A (en) * 1971-11-04 1975-02-18 Rorer Inc William H Phenyl butyric acids and derivatives thereof
US4163759A (en) * 1971-03-31 1979-08-07 Haarmann & Reimer Gesellschaft Mit Beschrankter Haftung Process for preparing aromatic hydroxyaldehydes
DE2115551C3 (de) * 1971-03-31 1980-01-10 Haarmann & Reimer Gmbh, 3450 Holzminden Verfahren zur Herstellung von aromatischen Hydroxyaldehyden
GB1446435A (en) * 1972-11-02 1976-08-18 Cooper Ltd Ethyl Lubricant additives
JPS55149223A (en) * 1979-05-08 1980-11-20 Nippon Synthetic Chem Ind Co Ltd:The Preparation process of 4-allyl or methallyloxyphenyl- acetic acids
FR2462415A1 (fr) * 1979-07-25 1981-02-13 Hoechst France Procede de preparation d'acides hydroxyarylglycoliques racemiques et produits nouveaux en resultant
JPS5655338A (en) * 1979-10-12 1981-05-15 Nippon Synthetic Chem Ind Co Ltd:The Simultaneous preparation of bis hydroxyphenyl acetic acid and hydroxymandelic acid
FR2495137A1 (fr) * 1980-11-28 1982-06-04 Hoechst France Procede industriel de preparation en continu de l'acide p-hydroxymandelique racemique
DE3724669A1 (de) * 1987-07-25 1989-02-02 Hoechst Ag Leukotrienantagonisten, verfahren zu ihrer herstellung und ihre anwendung zur behandlung von krankheiten
US5004754A (en) * 1989-06-05 1991-04-02 Universite Laval Biofungicidal composition
JPH03141232A (ja) * 1989-10-26 1991-06-17 Tosoh Corp 脱塩化水素方法
JP3194058B2 (ja) * 1992-08-11 2001-07-30 マークテック株式会社 鋳片のバリ除去装置

Also Published As

Publication number Publication date
JP3283587B2 (ja) 2002-05-20
EP0536960A2 (en) 1993-04-14
EP0536960A3 (en) 1993-06-02
US5248816A (en) 1993-09-28
AU650172B2 (en) 1994-06-09
CA2080279C (en) 2003-12-02
DE69213637T2 (de) 1997-01-23
DE69213637D1 (de) 1996-10-17
AU2624192A (en) 1993-04-22
JPH05201917A (ja) 1993-08-10
CA2080279A1 (en) 1993-04-12
GB9121656D0 (en) 1991-11-27
EP0536960B1 (en) 1996-09-11

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