DK587678A - Fremgangsmaade til fremstilling af eventuelt flere gange substitueret o-phthalaldehyder - Google Patents

Fremgangsmaade til fremstilling af eventuelt flere gange substitueret o-phthalaldehyder

Info

Publication number
DK587678A
DK587678A DK587678A DK587678A DK587678A DK 587678 A DK587678 A DK 587678A DK 587678 A DK587678 A DK 587678A DK 587678 A DK587678 A DK 587678A DK 587678 A DK587678 A DK 587678A
Authority
DK
Denmark
Prior art keywords
phthalaldehydes
substituted
procedure
preparation
Prior art date
Application number
DK587678A
Other languages
English (en)
Inventor
J Gosteli
Original Assignee
Ciba Geigy
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 Ciba Geigy filed Critical Ciba Geigy
Publication of DK587678A publication Critical patent/DK587678A/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06—Preparation of nitro compounds
    • C07C201/12—Preparation of nitro compounds by reactions not involving the formation of nitro groups
    • 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
    • C07C45/42—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by hydrolysis
    • C07C45/43—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by hydrolysis of >CX2 groups, X being halogen
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00—Compounds having —CHO groups
    • C07C47/52—Compounds having —CHO groups bound to carbon atoms of six—membered aromatic rings
    • C07C47/544—Diformyl benzenes; Alkylated derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00—Compounds having —CHO groups
    • C07C47/52—Compounds having —CHO groups bound to carbon atoms of six—membered aromatic rings
    • C07C47/56—Compounds having —CHO groups bound to carbon atoms of six—membered aromatic rings containing hydroxy groups
    • C07C47/565—Compounds having —CHO groups bound to carbon atoms of six—membered aromatic rings containing hydroxy groups all hydroxy groups bound to the ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/373—Preparation 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 doubly 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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DK587678A 1977-12-30 1978-12-29 Fremgangsmaade til fremstilling af eventuelt flere gange substitueret o-phthalaldehyder DK587678A (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1629877 1977-12-30
CH360178 1978-04-04

Publications (1)

Publication Number Publication Date
DK587678A true DK587678A (da) 1979-07-01

Family

ID=25693407

Family Applications (1)

Application Number Title Priority Date Filing Date
DK587678A DK587678A (da) 1977-12-30 1978-12-29 Fremgangsmaade til fremstilling af eventuelt flere gange substitueret o-phthalaldehyder

Country Status (6)

Country Link
US (1) US4206152A (da)
EP (1) EP0003230B1 (da)
JP (1) JPS5495532A (da)
DE (1) DE2860613D1 (da)
DK (1) DK587678A (da)
ES (1) ES476420A1 (da)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2934614C2 (de) * 1979-08-28 1982-05-06 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Herstellung von Terephthalaldehyd bzw. Isophthalaldehyd
US4820829A (en) * 1986-01-16 1989-04-11 Ciba-Geigy Corporation Substituted o-phthalaldehydes
US4845305A (en) * 1988-07-07 1989-07-04 National Starch And Chemical Corporation Process for the preparation of isophthaladehyde
US5107032A (en) * 1990-11-20 1992-04-21 Noramco, Inc. Process for the preparation of o-phthalaldehydes
US6891069B1 (en) * 2004-01-30 2005-05-10 Ethicon, Inc. Synthesis of 4-substituted phthalaldehyde
AT502144A1 (de) 2005-06-28 2007-01-15 Dsm Fine Chem Austria Gmbh Verfahren zur herstellung von hochreinem, halogenfreien o-phthalaldehyd
CN114524718B (zh) * 2022-01-25 2023-09-22 上海巽田科技股份有限公司 一种由邻苯二甲酸二酯制备高纯邻苯二甲醛的方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4125561A (en) * 1972-04-13 1978-11-14 Dynamit Nobel Aktiengesellschaft Process for production of terephthalic dialdehyde
US4079075A (en) * 1975-11-06 1978-03-14 The Dow Chemical Company Primary alkyl esters as mediums for oxidations by phase-transfer catalyzed hypohalites

Also Published As

Publication number Publication date
EP0003230A3 (en) 1979-09-05
US4206152A (en) 1980-06-03
DE2860613D1 (en) 1981-04-30
EP0003230B1 (de) 1981-04-08
JPS5495532A (en) 1979-07-28
ES476420A1 (es) 1979-04-16
EP0003230A2 (de) 1979-08-08

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Legal Events

Date Code Title Description
ATS Application withdrawn