RO70179A - Procedeu pentru prepararea izoprenului - Google Patents

Procedeu pentru prepararea izoprenului

Info

Publication number
RO70179A
RO70179A RO7168174A RO6817471A RO70179A RO 70179 A RO70179 A RO 70179A RO 7168174 A RO7168174 A RO 7168174A RO 6817471 A RO6817471 A RO 6817471A RO 70179 A RO70179 A RO 70179A
Authority
RO
Romania
Prior art keywords
izoprene
procedure
preparation
Prior art date
Application number
RO7168174A
Other languages
English (en)
French (fr)
Inventor
Paul Losacker
Wulf Schwerdtel
Wolfgang Swodenk
Original Assignee
Bayer Ag,De
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,De filed Critical Bayer Ag,De
Publication of RO70179A publication Critical patent/RO70179A/ro

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)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
RO7168174A 1970-09-09 1971-09-09 Procedeu pentru prepararea izoprenului RO70179A (ro)

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
RO70179A true RO70179A (ro) 1982-10-11

Family

ID=5781988

Family Applications (1)

Application Number Title Priority Date Filing Date
RO7168174A RO70179A (ro) 1970-09-09 1971-09-09 Procedeu pentru prepararea izoprenului

Country Status (16)

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

Families Citing this family (3)

* 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
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
BR7105910D0 (pt) 1973-04-17
IT939378B (it) 1973-02-10
GB1364913A (en) 1974-08-29
US3773847A (en) 1973-11-20
AU3236471A (en) 1973-02-22
ES394929A1 (es) 1974-12-01
DE2044623A1 (de) 1972-03-16
AT310712B (de) 1973-10-10
FR2107499A5 (ro) 1972-05-05
AU451791B2 (en) 1974-08-15
DE2044623B2 (de) 1975-07-03
NL7112330A (ro) 1972-03-13
JPS5242764B1 (ro) 1977-10-26
CA965803A (en) 1975-04-08
SU460614A3 (ru) 1975-02-15
BE772403A (fr) 1972-03-09
ZA715944B (en) 1972-04-26

Similar Documents

Publication Publication Date Title
SE393381B (sv) Analogiforfarande for framstellning av 8-azapurin - 6 - onderivat
SE385885B (sv) Foerfarande foer framstaellning av 4-amino-6-arylpyrimidinderivat
SE384368B (sv) Forfarande for framstellning av 6-substituerade - 4 - amino- 1,2 - dihydro - 1 - hydroxi - 2 - iminopyrimidiner
NO138883C (no) Fremgangsmaate for fremstilling av oksiranforbindelser
RO71354A (ro) Procedeu pentru prepararea unor p-halofenil-2-pirolidinone
SE399701B (sv) Forfarande for framstellning av hydroxyalkyldiamin
SE394436B (sv) Forfarande for framstellning av 7-halogen-linkomyciner
IT946018B (it) Procedimento per la preparazione di p mentenoli
SE380273B (sv) Forfarande for framstellning av tiopyrimidinderivat
SE385011B (sv) Forfarande for framstellning av alfa-linkosaminider
SE408418B (sv) Forfarande for framstellning av 5-fluor-pyrimidiner
SE395699B (sv) Forfarande for framstellning av kinuklidin-kinolinderivat
BG19133A3 (bg) Метод за получаване на 1-фенил-2-хидрокси-3-хидроксилалкиламинопропани
SE380795B (sv) Forfarande for framstellning av tiokarbamider
SE411759B (sv) Forfarande for framstellning av erytromycyliminforeningar
SE382046B (sv) Forfarande for framstellning av 1-aryloxi-2-propanol
BG20586A3 (bg) Метод за получаване на заместени n-хидрокси-алкил-2-ариламино-имидазолини
SE382051B (sv) Forfarande for framstellning av 3-sulfonamid-4-hydroxifenyl-2-piperidylkarbinoler
RO70179A (ro) Procedeu pentru prepararea izoprenului
IT1051240B (it) Procedimento per la preparazione di zeaxantina
IT942430B (it) Procedimento per la preparazione di mercaptoetanclo
SE382057B (sv) Forfarande for framstellning av n-hydroxialkylpiperazinylderivat
IT941227B (it) Procedimento di preparazione di polisolfuri organici ditiolici
DK131786C (da) Fremgangsmade til fremstilling af delta4-3-oxo-1alfa-methylsteroider
RO76229A (ro) Procedeu pentru prepararea n-izopropilanilinei