DE2155561A1 - Verfahren zur Herstellung von Brenzcatechin und seinen Derivaten - Google Patents

Verfahren zur Herstellung von Brenzcatechin und seinen Derivaten

Info

Publication number
DE2155561A1
DE2155561A1 DE19712155561 DE2155561A DE2155561A1 DE 2155561 A1 DE2155561 A1 DE 2155561A1 DE 19712155561 DE19712155561 DE 19712155561 DE 2155561 A DE2155561 A DE 2155561A DE 2155561 A1 DE2155561 A1 DE 2155561A1
Authority
DE
Germany
Prior art keywords
hydroxycyclohexanone
temperature
weight ratio
cyclohexanone
evaporation
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.)
Pending
Application number
DE19712155561
Other languages
German (de)
English (en)
Inventor
Takashi; Shinohara Hiroyuki; Tanaka Morihisa; Takeda Makoto; Konno Kazuhiko; Ibaraki Hashimoto (Japan)
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.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Petrochemical Co 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
Priority claimed from JP9932870A external-priority patent/JPS526980B1/ja
Priority claimed from JP6729571A external-priority patent/JPS4832847A/ja
Application filed by Mitsubishi Petrochemical Co Ltd filed Critical Mitsubishi Petrochemical Co Ltd
Publication of DE2155561A1 publication Critical patent/DE2155561A1/de
Pending legal-status Critical Current

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
    • C07C45/42—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by hydrolysis
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/06—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by conversion of non-aromatic six-membered rings or of such rings formed in situ into aromatic six-membered rings, e.g. by dehydrogenation
    • C07C37/07—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by conversion of non-aromatic six-membered rings or of such rings formed in situ into aromatic six-membered rings, e.g. by dehydrogenation with simultaneous reduction of C=O group in that ring
    • 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
    • C07C45/61—Preparation 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
    • C07C45/63—Preparation 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 introduction of halogen; by substitution of halogen atoms by other halogen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE19712155561 1970-11-11 1971-11-09 Verfahren zur Herstellung von Brenzcatechin und seinen Derivaten Pending DE2155561A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9932870A JPS526980B1 (enrdf_load_stackoverflow) 1970-11-11 1970-11-11
JP6729571A JPS4832847A (enrdf_load_stackoverflow) 1971-09-01 1971-09-01

Publications (1)

Publication Number Publication Date
DE2155561A1 true DE2155561A1 (de) 1972-05-18

Family

ID=26408483

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712155561 Pending DE2155561A1 (de) 1970-11-11 1971-11-09 Verfahren zur Herstellung von Brenzcatechin und seinen Derivaten

Country Status (3)

Country Link
DE (1) DE2155561A1 (enrdf_load_stackoverflow)
FR (1) FR2114548A5 (enrdf_load_stackoverflow)
GB (1) GB1369625A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3431415A1 (de) * 1984-08-27 1986-02-27 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von 2-hydroxy-cyclohexanon-(1)
WO2002088083A1 (fr) * 2001-04-26 2002-11-07 Nippon Steel Chemical Co., Ltd. Procede relatif a l'elaboration de derive de tetrahydrocarbazole
FR2925489B1 (fr) * 2007-12-19 2010-02-05 Rhodia Operations Procede de preparation de pyrocatechol purifie

Also Published As

Publication number Publication date
GB1369625A (en) 1974-10-09
FR2114548A5 (enrdf_load_stackoverflow) 1972-06-30

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