DE2904315C2 - - Google Patents

Info

Publication number
DE2904315C2
DE2904315C2 DE19792904315 DE2904315A DE2904315C2 DE 2904315 C2 DE2904315 C2 DE 2904315C2 DE 19792904315 DE19792904315 DE 19792904315 DE 2904315 A DE2904315 A DE 2904315A DE 2904315 C2 DE2904315 C2 DE 2904315C2
Authority
DE
Germany
Prior art keywords
hydroxybenzaldehyde
acid
aqueous
benzaldehyde
hydrohalic acid
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE19792904315
Other languages
German (de)
English (en)
Other versions
DE2904315A1 (de
Inventor
Manfred Dipl.-Chem. Dr. 6701 Otterstadt De Barl
Dieter Dipl.-Chem. Dr. 6700 Ludwigshafen De Degner
Hardo Dipl.-Chem. Dr. 6720 Speyer De Siegel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Priority to DE19792904315 priority Critical patent/DE2904315A1/de
Publication of DE2904315A1 publication Critical patent/DE2904315A1/de
Application granted granted Critical
Publication of DE2904315C2 publication Critical patent/DE2904315C2/de
Granted legal-status Critical Current

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
    • C07C45/61Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/673Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by change of size of the carbon skeleton
    • 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
    • C07C45/51Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
    • C07C45/511Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups
    • C07C45/515Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups the singly bound functional group being an acetalised, ketalised hemi-acetalised, or hemi-ketalised 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
    • C07C45/78Separation; Purification; Stabilisation; Use of additives
    • C07C45/81Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C45/82Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
    • C07C45/84Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation by azeotropic distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE19792904315 1979-02-05 1979-02-05 Verfahren zur herstellung von p-hydroxybenzaldehyd Granted DE2904315A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19792904315 DE2904315A1 (de) 1979-02-05 1979-02-05 Verfahren zur herstellung von p-hydroxybenzaldehyd

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792904315 DE2904315A1 (de) 1979-02-05 1979-02-05 Verfahren zur herstellung von p-hydroxybenzaldehyd

Publications (2)

Publication Number Publication Date
DE2904315A1 DE2904315A1 (de) 1980-08-14
DE2904315C2 true DE2904315C2 (en:Method) 1987-10-01

Family

ID=6062209

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792904315 Granted DE2904315A1 (de) 1979-02-05 1979-02-05 Verfahren zur herstellung von p-hydroxybenzaldehyd

Country Status (1)

Country Link
DE (1) DE2904315A1 (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0340702A1 (de) * 1988-05-05 1989-11-08 BASF Aktiengesellschaft Verfahren zur Herstellung von Hydroxybenzaldehyden

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3107120A1 (de) * 1981-02-26 1982-09-09 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von 4-tert.-butoxybenzylalkohol

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0340702A1 (de) * 1988-05-05 1989-11-08 BASF Aktiengesellschaft Verfahren zur Herstellung von Hydroxybenzaldehyden

Also Published As

Publication number Publication date
DE2904315A1 (de) 1980-08-14

Similar Documents

Publication Publication Date Title
DE1954173C3 (de) Verfahren zur Herstellung von Bromnitroalkoholen
DE1165018B (de) Verfahren und Vorrichtung zur Herstellung von reinem Isophoron
DE2904315C2 (en:Method)
EP0026291B1 (de) Verfahren zur Herstellung von Terephthalaldehyd bzw. Isophthalaldehyd
DE2516809C3 (de) Verfahren zur Herstellung von Isochromanen
CH623802A5 (en:Method)
DE632571C (de) Verfahren zur Herstellung von Aldehyden und Ketonen
DE2605525A1 (de) Verfahren zum umwandeln von 1,1- diarylalkanen in die entsprechenden diarylketone
EP0025883B1 (de) Elektrochemisches Verfahren zur Herstellung von 4-tert.-Butoxybenzaldehyddialkylacetalen, ihre Verwendung und 4-tert.-Butoxybenzaldehyddimethylacetal
DE202352C (en:Method)
DE892442C (de) Verfahren zur Reinigung von o-Methoxyphenylaceton
DE142939C (en:Method)
EP0075698B1 (de) Verfahren zur Herstellung von 10,11-Dihydro-5H-dibenzo (a,d) cyclohepten-5-on und dessen Substitutionsprodukten
DE2732714A1 (de) Verfahren zur herstellung von acyloinen
DE561519C (de) Verfahren zur Darstellung aromatischer Oxyaldehyde
EP0067353B1 (de) Verfahren zur Herstellung cyclischer Acetale
DE2425766A1 (de) Verfahren zur herstellung von 6-isopropyl-1,1,4-trimethylindan
DE1127340B (de) Verfahren zur Herstellung fluorhaltiger aromatischer Ketone
DE3209622A1 (de) Verfahren zur herstellung von 2-methoxyalkansaeuren
DE1285999B (de) Verfahren zur Herstellung von gesaettigten Fluorfettsaeurechloriden
EP0069210A1 (de) Verfahren zur Herstellung von alpha, beta-ungesättigten Aldehyden und 2,7-Dimethyl-2,6-octadienal
DE3035625A1 (de) Verfahren zur herstellung von 2-methoxyalkansaeuren
AT167615B (de) Verfahren zur Herstellung eines Aryloxyphosphoryldichlorids
AT38330B (de) Verfahren zur Darstellung von Santaloläthern.
DE1802420C (de) Verfahren zur Herstellung von Vanillin durch Isomensieren von Eugenol

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8330 Complete disclaimer