ZA745973B - Process for the preparation of isoprene - Google Patents

Process for the preparation of isoprene

Info

Publication number
ZA745973B
ZA745973B ZA00745973A ZA745973A ZA745973B ZA 745973 B ZA745973 B ZA 745973B ZA 00745973 A ZA00745973 A ZA 00745973A ZA 745973 A ZA745973 A ZA 745973A ZA 745973 B ZA745973 B ZA 745973B
Authority
ZA
South Africa
Prior art keywords
isoprene
preparation
Prior art date
Application number
ZA00745973A
Other languages
English (en)
Inventor
W Schwerdtel
W Swodenk
K Halcpur
P Losacker
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 DE19732347841 external-priority patent/DE2347841C3/de
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of ZA745973B publication Critical patent/ZA745973B/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
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D319/00Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D319/041,3-Dioxanes; Hydrogenated 1,3-dioxanes
    • C07D319/061,3-Dioxanes; Hydrogenated 1,3-dioxanes not condensed with other rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
ZA00745973A 1973-09-22 1974-09-20 Process for the preparation of isoprene ZA745973B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732347841 DE2347841C3 (de) 1973-09-22 Verfahren zur Herstellung von Isopren

Publications (1)

Publication Number Publication Date
ZA745973B true ZA745973B (en) 1975-11-26

Family

ID=5893395

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00745973A ZA745973B (en) 1973-09-22 1974-09-20 Process for the preparation of isoprene

Country Status (17)

Country Link
US (1) US3972955A (xx)
JP (1) JPS5315483B2 (xx)
BE (1) BE820149A (xx)
BR (1) BR7407860D0 (xx)
CA (1) CA1031377A (xx)
CS (1) CS178178B2 (xx)
DD (1) DD113520A5 (xx)
DK (1) DK497174A (xx)
ES (1) ES430284A1 (xx)
FR (1) FR2244738B1 (xx)
GB (1) GB1433715A (xx)
IE (1) IE39855B1 (xx)
IT (1) IT1019340B (xx)
LU (1) LU70954A1 (xx)
NL (1) NL156383B (xx)
RO (1) RO71807A (xx)
ZA (1) ZA745973B (xx)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4232182A (en) * 1977-11-21 1980-11-04 Liakumovich Alexandr G Process for purifying isoprene
FR2490642A1 (fr) * 1980-09-19 1982-03-26 Gankin Viktor Procede de preparation de 4,4-dimethyl-dioxane-1,3 et produits prepares par ledit procede
JPS5850322U (ja) * 1981-09-30 1983-04-05 日信工業株式会社 車両用デイスクブレ−キ装置のパツドスプリング
RU2320627C2 (ru) * 2003-03-31 2008-03-27 Курарей Ко., Лтд. Способ получения изопрена
US20060045854A1 (en) 2004-08-27 2006-03-02 Lynette Zaidel Oral care composition with cross-linked polymer peroxide
EP2236484A4 (en) * 2007-12-21 2012-01-18 Obshestvo O Ogranichennoi Otvetstvennoctiu Eurochim Spb Treiding INSTALLATION FOR THE SYNTHESIS OF ISOPRENE IN LIQUID PHASE FROM ISOBUTYLENE AND FORMALDEHYDE
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
CN102131935B (zh) * 2008-06-30 2013-11-13 固特异轮胎和橡胶公司 来自可再生资源的异戊二烯的聚合物
TW201120213A (en) 2009-06-17 2011-06-16 Danisco Us Inc Polymerization of isoprene from renewable resources
AU2010331946A1 (en) 2009-12-18 2012-06-28 Danisco Us Inc. Purification of isoprene from renewable resources
WO2012038247A1 (en) 2010-09-24 2012-03-29 Total Petrochemicals Research Feluy Production of isoprene from iso-butanol
WO2013025122A1 (ru) * 2011-08-17 2013-02-21 Общество С Ограниченной Ответственностью "Научно- Производственное Объединение Еврохим" Установка жидкофазного синтеза изопрена из изобутилена и формальдегида
EP3040325A1 (en) 2014-12-31 2016-07-06 Shell Internationale Research Maatschappij B.V. Process for preparing ethylene, propylene and isoprene
CN105130741B (zh) * 2015-10-13 2017-01-04 宁波金海晨光化学股份有限公司 一种反应精馏制备异戊二烯的方法
RU2768818C1 (ru) * 2021-03-16 2022-03-24 Федеральное государственное бюджетное образовательное учреждение высшего образования "Башкирский государственный университет" Применение пористого полиариленфталида для увеличения селективности при получении 4,4-диметил-1,3-диоксана

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB879728A (en) * 1958-09-29 1961-10-11 Inst Francais Du Petrole Process for the manufacture of isoprene from 4.4-dimethylmetadioxane
AU451791B2 (en) * 1970-09-09 1974-08-15 Bayer Aktiengesellschaft A process forthe preparation of isoprene from isobutene and formaldehyde

Also Published As

Publication number Publication date
CS178178B2 (xx) 1977-08-31
DD113520A5 (xx) 1975-06-12
RO71807A (ro) 1982-02-26
NL7412420A (nl) 1975-03-25
GB1433715A (en) 1976-04-28
DE2347841A1 (de) 1975-04-10
NL156383B (nl) 1978-04-17
FR2244738B1 (xx) 1979-02-16
US3972955A (en) 1976-08-03
FR2244738A1 (xx) 1975-04-18
IE39855B1 (en) 1979-01-17
ES430284A1 (es) 1976-12-16
CA1031377A (en) 1978-05-16
BR7407860D0 (pt) 1975-07-29
AU7350174A (en) 1976-03-25
IT1019340B (it) 1977-11-10
BE820149A (fr) 1975-03-20
IE39855L (en) 1975-03-22
DK497174A (xx) 1975-05-26
JPS5062905A (xx) 1975-05-29
LU70954A1 (xx) 1975-05-28
DE2347841B2 (de) 1976-12-23
JPS5315483B2 (xx) 1978-05-25

Similar Documents

Publication Publication Date Title
ZA743930B (en) Process for the manufacture of biscuits
ZA745973B (en) Process for the preparation of isoprene
EG11318A (en) Process for the preparation of 7-amino-3-cephem derivatives
ZA741234B (en) Process for the preparation of paraxylene
EG11496A (en) Process for the preparation of poly-n-alkyliminoalanes
CA1014974A (en) Process for the preparation of 5-chloro-2-toluidine
EG11189A (en) Process for preparation of new d-homosteroids
IL45740A0 (en) Process for the preparation of 6-demethyl-6-deoxy-6-methylene-tetracyclines
ZA746122B (en) Process for the preparation of alpha-6-deoxytetracyclines
CH614930A5 (en) Process for the preparation of novel omega-aminocarboxamides or -aminocarboxypolyamides
GB1403701A (en) Process for the preparation of chloroprene
EG11639A (en) Process for the preparation of 2-nitrobenzoldehyde
CH608783A5 (en) Process for the preparation of o-diisopropylaminoethoxybutyrophenone
CH614198A5 (en) Process for the preparation of novel 4-oxo-2-imidazolidinylidene-ureas
CH609345A5 (en) Process for the preparation of pyrimidinoaminomethylergoline derivatives
CH610307A5 (en) Process for the preparation of 5-nitroimidazoles
CH610326A5 (en) Process for the preparation of novel 4-oxo-1-pyridinylpenicillin and -cephalosporin derivatives
EG11476A (en) Process for the preparation of choleragen
YU151174A (en) Process for the dehalogenization of 11-a-halo-methylene-tetracycline
IL45261A0 (en) Process for the manufacture of 17beta-oxalylsteroids
CH612956A5 (en) Process for the preparation of 1H-tetrazole-5-thiol derivatives
KR780000404B1 (en) Process for the preparation of chloro-acetanilides
CH612996A5 (en) Process for the preparation of the antibiotic FR-02A
CH608483A5 (en) Process for the preparation of substituted benzoylacrylanilides
CH613863A5 (en) Process for the preparation of an alloantiserum