BE772403A - Procede de preparation de l'isoprene a partir d'isobutene et deformaldehyde - Google Patents

Procede de preparation de l'isoprene a partir d'isobutene et deformaldehyde

Info

Publication number
BE772403A
BE772403A BE772403A BE772403A BE772403A BE 772403 A BE772403 A BE 772403A BE 772403 A BE772403 A BE 772403A BE 772403 A BE772403 A BE 772403A BE 772403 A BE772403 A BE 772403A
Authority
BE
Belgium
Prior art keywords
deformaldehyde
isobutene
preparing isoprene
isoprene
preparing
Prior art date
Application number
BE772403A
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
Priority claimed from DE19702044623 external-priority patent/DE2044623C3/de
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of BE772403A publication Critical patent/BE772403A/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C11/00Aliphatic unsaturated hydrocarbons
    • C07C11/12Alkadienes
    • C07C11/173Alkadienes with five carbon atoms
    • C07C11/18Isoprene
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C1/00Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
    • C07C1/20Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as heteroatoms
    • C07C1/247Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as heteroatoms by splitting of cyclic ethers
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2527/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • C07C2527/14Phosphorus; Compounds thereof
    • C07C2527/16Phosphorus; Compounds thereof containing oxygen
    • C07C2527/167Phosphates or other compounds comprising the anion (PnO3n+1)(n+2)-
    • C07C2527/173Phosphoric acid or other acids with the formula Hn+2PnO3n+1
    • 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S585/00Chemistry of hydrocarbon compounds
    • Y10S585/929Special chemical considerations
    • Y10S585/93Process including synthesis of nonhydrocarbon intermediate
    • Y10S585/934Chalcogen-containing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
  • Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
BE772403A 1970-09-09 1971-09-09 Procede de preparation de l'isoprene a partir d'isobutene et deformaldehyde BE772403A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702044623 DE2044623C3 (de) 1970-09-09 Verfahren zur Herstellung von Isopren

Publications (1)

Publication Number Publication Date
BE772403A true BE772403A (fr) 1972-03-09

Family

ID=5781988

Family Applications (1)

Application Number Title Priority Date Filing Date
BE772403A BE772403A (fr) 1970-09-09 1971-09-09 Procede de preparation de l'isoprene a partir d'isobutene et deformaldehyde

Country Status (16)

Country Link
US (1) US3773847A (cs)
JP (1) JPS5242764B1 (cs)
AT (1) AT310712B (cs)
AU (1) AU451791B2 (cs)
BE (1) BE772403A (cs)
BR (1) BR7105910D0 (cs)
CA (1) CA965803A (cs)
CS (1) CS179958B2 (cs)
ES (1) ES394929A1 (cs)
FR (1) FR2107499A5 (cs)
GB (1) GB1364913A (cs)
IT (1) IT939378B (cs)
NL (1) NL7112330A (cs)
RO (1) RO70179A (cs)
SU (1) SU460614A3 (cs)
ZA (1) ZA715944B (cs)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3972955A (en) * 1973-09-22 1976-08-03 Bayer Aktiengesellschaft Process for preparation of isoprene
RU2203878C2 (ru) * 2001-07-30 2003-05-10 Общество с ограниченной ответственностью "Научно-технологический центр по химическим технологиям" Способ получения изопрена
RU2238259C1 (ru) * 2003-07-28 2004-10-20 Воронежское открытое акционерное общество "Синтезкаучукпроект" Способ получения изопрена, изобутилена и формальдегида
CN100586942C (zh) * 2008-01-04 2010-02-03 万华实业集团有限公司 一种二噁烷的制备方法
RU2658839C2 (ru) * 2016-09-12 2018-06-25 Федеральное государственное бюджетное образовательное учреждение высшего образования "Башкирский государственный университет" Применение углеродных нанотрубок для увеличения селективности при получении 4,4-диметил-1,3-диоксана

Also Published As

Publication number Publication date
CS179958B2 (en) 1977-12-30
SU460614A3 (ru) 1975-02-15
IT939378B (it) 1973-02-10
ES394929A1 (es) 1974-12-01
AU3236471A (en) 1973-02-22
US3773847A (en) 1973-11-20
FR2107499A5 (cs) 1972-05-05
ZA715944B (en) 1972-04-26
JPS5242764B1 (cs) 1977-10-26
DE2044623A1 (de) 1972-03-16
AT310712B (de) 1973-10-10
AU451791B2 (en) 1974-08-15
DE2044623B2 (de) 1975-07-03
NL7112330A (cs) 1972-03-13
CA965803A (en) 1975-04-08
RO70179A (ro) 1982-10-11
BR7105910D0 (pt) 1973-04-17
GB1364913A (en) 1974-08-29

Similar Documents

Publication Publication Date Title
BE763529A (fr) Procede de preparation d'allophanate-polyisocyanates
BE770625A (fr) Procede de preparation d'analgesiques
BE768485A (fr) Procede de preparation d'aryloxy-1,1,2,2-tetrafluoro-ethanes
BE771169A (fr) Procede de preparation d'isobutylates
BE764883A (fr) Procede de preparation d'hydrogenosilanes
CH546788A (fr) Procede de preparation d'agents anti-inflammatoires.
BE767840A (fr) Procede de preparation d'esters cyanacryliques
BE786518A (fr) Procede de preparation d'oxa-bicyclo-alcenes
BE770046A (fr) Procede de preparation d'esters polyaryliques
BE797732A (fr) Procede de preparation d'oximes
BE767607A (fr) Procede de preparation d'esters d'alcoylene-glycol
BE772403A (fr) Procede de preparation de l'isoprene a partir d'isobutene et deformaldehyde
BE777068A (fr) Procede de preparation d'alcoylphenols
BE795902A (fr) Procede de preparation du diiodo-3,5 hydroxy-4benzonitrile et de l'iodo-3 hydroxy-4 nitro-5benzonitrile
BE788171A (fr) Procede de preparation d'alcoyl-tetralines
BE777067A (fr) Procede de preparation d'alcoylphenols
BE761304A (fr) Procede de preparation d'aminophenyl-trial-coxy-silanes
BE768976A (fr) Procede de preparation d'isoprene
BE804528A (fr) Procede de preparation de trans-chrysanthemates d'almyle
BE803370A (fr) Procede de preparation d'amino-anthraquinones
BE789467A (fr) Procede de preparation d'halogenures de monohaloacetyles
BE764210A (fr) Procede de preparation d'alcoyl-silanes
BE792804A (fr) Procede de preparation d'hydroxocobalticorrinoide
BE804619A (fr) Procede de preparation d'halophenoxynitrobenzoates
BE770778A (fr) Procede de preparation d'acides percaboxyliques