BE777305A - Procede de preparation de la pyrocatechine et de ses monoethers - Google Patents

Procede de preparation de la pyrocatechine et de ses monoethers

Info

Publication number
BE777305A
BE777305A BE777305A BE777305A BE777305A BE 777305 A BE777305 A BE 777305A BE 777305 A BE777305 A BE 777305A BE 777305 A BE777305 A BE 777305A BE 777305 A BE777305 A BE 777305A
Authority
BE
Belgium
Prior art keywords
pyrocatechine
monoethers
preparing
Prior art date
Application number
BE777305A
Other languages
English (en)
French (fr)
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 BE777305A publication Critical patent/BE777305A/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
    • C07C45/61Preparation 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
    • C07C45/68Preparation 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 increase in the number of carbon atoms
    • C07C45/70Preparation 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 increase in the number of carbon atoms by reaction with functional groups containing oxygen only in singly bound form
    • C07C45/71Preparation 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 increase in the number of carbon atoms by reaction with functional groups containing oxygen only in singly bound form being hydroxy groups
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/44Palladium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56Platinum group metals
    • B01J23/58Platinum group metals with alkali- or alkaline earth metals
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/06Preparation 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
    • C07C37/07Preparation 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01Preparation of ethers
    • C07C41/18Preparation of ethers by reactions not forming ether-oxygen bonds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/005Spinels
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00Systems containing only non-condensed rings
    • C07C2601/12Systems containing only non-condensed rings with a six-membered ring
    • C07C2601/14The ring being saturated
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/582Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE777305A 1970-12-28 1971-12-27 Procede de preparation de la pyrocatechine et de ses monoethers BE777305A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702064097 DE2064097A1 (de) 1970-12-28 1970-12-28 Verfahren zur Herstellung von Brenzcatechin und dessen Monoäthern

Publications (1)

Publication Number Publication Date
BE777305A true BE777305A (fr) 1972-06-27

Family

ID=5792377

Family Applications (1)

Application Number Title Priority Date Filing Date
BE777305A BE777305A (fr) 1970-12-28 1971-12-27 Procede de preparation de la pyrocatechine et de ses monoethers

Country Status (9)

Country Link
US (1) US3801651A (it)
BE (1) BE777305A (it)
CA (1) CA951329A (it)
DE (1) DE2064097A1 (it)
FR (1) FR2121034A5 (it)
GB (1) GB1370320A (it)
IL (1) IL38442A (it)
IT (1) IT951951B (it)
NL (1) NL7117901A (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2402695C3 (de) * 1974-01-21 1980-05-29 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von 3-Aminophenolen
DE2428879A1 (de) * 1974-06-14 1976-01-02 Hoechst Ag Verfahren zur herstellung von resorcinmonoaethern
DE2437929A1 (de) * 1974-08-07 1976-02-19 Hoechst Ag Verfahren zur herstellung von hydrochinon
FR2327980A1 (fr) * 1975-10-14 1977-05-13 Rhone Poulenc Ind Procede de preparation de trimethylhydroquinone
CA1196622A (en) * 1981-12-02 1985-11-12 Antonius J.C. Van Seters Process for the preparation of 3,5-dimethylphenol
US4530963A (en) * 1982-08-20 1985-07-23 Devoe-Holbein International, N.V. Insoluble chelating compositions
DE3314372A1 (de) * 1983-04-20 1984-10-25 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von substituierten phenolen
US4798911A (en) * 1987-07-20 1989-01-17 Eastman Kodak Company Catalyst composition and method for selective dehydrogenation
JPH01146837A (ja) * 1987-12-03 1989-06-08 Mitsui Petrochem Ind Ltd シクロヘキセノンの脱水素方法
JPH01226840A (ja) * 1988-03-07 1989-09-11 Mitsui Petrochem Ind Ltd フェノール類および/またはシクロヘキサノン類の製造方法
DE4104417A1 (de) * 1991-02-14 1992-08-20 Basf Ag Verfahren zur herstellung von brenzcatechinmonoethern und brenzcatechinen
DE69613759T2 (de) * 1995-05-22 2001-10-31 Ube Industries Verfahren zur Herstellung von Karbonatdiester
DE19730308A1 (de) * 1997-07-15 1999-01-21 Basf Ag Verfahren zur Herstellung von Brenzcatechinmonoethern und Brenzcatechinen

Also Published As

Publication number Publication date
FR2121034A5 (it) 1972-08-18
IL38442A0 (en) 1972-02-29
CA951329A (en) 1974-07-16
GB1370320A (en) 1974-10-16
IL38442A (en) 1975-04-25
US3801651A (en) 1974-04-02
IT951951B (it) 1973-07-10
DE2064097A1 (de) 1972-07-06
NL7117901A (it) 1972-06-30

Similar Documents

Publication Publication Date Title
BE763529A (fr) Procede de preparation d'allophanate-polyisocyanates
BE764883A (fr) Procede de preparation d'hydrogenosilanes
BE776045A (fr) Procede de preparation de catalyseurs et
BE777305A (fr) Procede de preparation de la pyrocatechine et de ses monoethers
BE768119A (fr) Procede de preparation de cycloalcanols et de cycloalcanones
BE786329A (fr) Procede de preparation de polyurethannes
BE777068A (fr) Procede de preparation d'alcoylphenols
BE774905A (fr) Procede de preparation de metacroleine
BE763011A (fr) Procede de preparation de poly-organo-siloxanes
BE767990A (fr) Procede de preparation de monochlorobenzaldehydes
BE777067A (fr) Procede de preparation d'alcoylphenols
BE761304A (fr) Procede de preparation d'aminophenyl-trial-coxy-silanes
BE774498A (fr) Procede de preparation de monofluoro-dichloromethane et de difluoro-monochloromethane
BE775519A (fr) Procede de preparation de saligenol
BE787990A (fr) Procede de preparation de peroxydiesters
BE768410A (fr) Procede de preparation de 1-ethyl-3-phenyl-indanes
BE761797A (fr) Procede de preparation de vinyl-trichlorosilane
BE777447A (fr) Procede de preparation de monothioalkylene-glycols
BE764210A (fr) Procede de preparation d'alcoyl-silanes
BE786177R (fr) Procede de preparation
BE792486R (fr) Procede de preparation
BE767247A (fr) Procede de preparation de tetrasila-adamantanes
BE770405A (fr) Procede de preparation de 14 beta-hydroxy-deltaexp.16- steroides et de 7 alpha-hydroxy-deltaexp.4-steroides
BE793131A (fr) 2-alcoyl-2-mecaptomethylpropane diols-1,3 et procede de preparation
BE792122A (fr) Procede de preparation de benzyl-pyrimidines