BE859769A - Procede de dimerisation - Google Patents

Procede de dimerisation

Info

Publication number
BE859769A
BE859769A BE181782A BE181782A BE859769A BE 859769 A BE859769 A BE 859769A BE 181782 A BE181782 A BE 181782A BE 181782 A BE181782 A BE 181782A BE 859769 A BE859769 A BE 859769A
Authority
BE
Belgium
Prior art keywords
emi
acrylonitrile
solvent
compound
radicals
Prior art date
Application number
BE181782A
Other languages
English (en)
French (fr)
Original Assignee
Ici 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 GB45324/76A external-priority patent/GB1551166A/en
Application filed by Ici Ltd filed Critical Ici Ltd
Publication of BE859769A publication Critical patent/BE859769A/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/0234—Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
    • B01J31/0255—Phosphorus containing compounds
    • B01J31/0257—Phosphorus acids or phosphorus acid esters
    • B01J31/0261—Phosphorus acids or phosphorus acid esters comprising phosphonous acid (-ester) groups (RP(OR')2) or the isomeric phosphinic acid (-ester) groups (R2(R'O)P=O), i.e. R= C, R'= C, H
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/0234—Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
    • B01J31/0255—Phosphorus containing compounds
    • B01J31/0257—Phosphorus acids or phosphorus acid esters
    • B01J31/0262—Phosphorus acids or phosphorus acid esters comprising phosphinous acid (-ester) groups (R2P(OR')) or the isomeric phosphine oxide groups (R3P=O), i.e. R= C, R'= C, H
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
    • B01J2231/10—Polymerisation reactions involving at least dual use catalysts, e.g. for both oligomerisation and polymerisation
    • B01J2231/14—Other (co) polymerisation, e.g. of lactides, epoxides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
BE181782A 1976-10-21 1977-10-14 Procede de dimerisation BE859769A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB45324/76A GB1551166A (en) 1976-03-22 1976-10-21 Pyrazolo (1,5-a)quinoxaline-3-carboxylic acid and derivatives thereof
GB5288876 1976-10-21
GB1502977 1977-04-12

Publications (1)

Publication Number Publication Date
BE859769A true BE859769A (fr) 1978-04-14

Family

ID=27516149

Family Applications (1)

Application Number Title Priority Date Filing Date
BE181782A BE859769A (fr) 1976-10-21 1977-10-14 Procede de dimerisation

Country Status (6)

Country Link
US (2) US4138428A (nl)
JP (1) JPS5353616A (nl)
BE (1) BE859769A (nl)
DE (1) DE2747139A1 (nl)
FR (1) FR2368470B1 (nl)
NL (1) NL7711527A (nl)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH633296A5 (de) * 1977-08-19 1982-11-30 Sandoz Ag Verfahren zur herstellung von 4-(n,n-dialkylamino-)phenylphosphoniten.
US4263224A (en) * 1978-07-26 1981-04-21 Imperial Chemical Industries Limited Acrylonitrile dimerization process
EP0008164B1 (en) * 1978-07-26 1983-04-20 Imperial Chemical Industries Plc Phosphinites and phosphonites, their preparation and use as acrylonitrile dimerisation catalysts
EP0010886B1 (en) * 1978-10-26 1982-12-01 Imperial Chemical Industries Plc A process for the dimerisation of acrylonitrile
US4574060A (en) * 1982-11-03 1986-03-04 Allied Corporation Selective conversion of acrylonitrile into 1,4-dicyano-1-butene catalyzed by polymer-bound alkyl diarylphosphinites
US4661615A (en) * 1982-11-03 1987-04-28 Allied Corporation Selective conversion of acrylonitrile into 1,4-dicyano-1-butene catalyzed by plymer-bound alkyl diarylphosphinites
JPS59215797A (ja) * 1983-03-24 1984-12-05 ユ−オ−ピ−・インコ−ポレ−テツド 増強核沸騰面テ−プ及び電子部品の冷却
JPS61158953A (ja) * 1984-12-24 1986-07-18 モンサイト　コンパニー アクリルニトリルの二重化法
US4639539A (en) * 1984-12-24 1987-01-27 Monsanto Company Dimerization process improvements
US4841087A (en) * 1987-04-17 1989-06-20 Monsanto Company Acrylonitrile dimerization process
GB8817030D0 (en) * 1988-07-18 1988-08-24 Ici Plc Dimerisation process
US4952541A (en) * 1989-09-01 1990-08-28 Monsanto Company Acrylonitrile dimerization process and method of treating residual catalyst
GB9124303D0 (en) * 1991-11-15 1992-01-08 Ici Plc Dimerisation of acrylonitrile

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3055861A (en) * 1958-02-19 1962-09-25 Union Carbide Corp Stabilized acrylonitrile vinyl or vinylidene copolymer solutions
DE1268614B (de) * 1963-03-07 1968-05-22 Basf Ag Verfahren zur Herstellung von 1, 3-Dicyan-3-buten und dessen Isomeren aus Acrylsaeurenitril
US3574702A (en) * 1965-03-02 1971-04-13 Nat Distillers Chem Corp Process for dimerizing acrylonitrile compounds
US3590069A (en) 1966-02-01 1971-06-29 Rohm & Haas Method for the preparation of 2-methyleneglutaronitrile
FR1519376A (fr) * 1966-04-19 1968-03-29 Du Pont Procédé de dimérisation de l'acrylonitrile
GB1154275A (en) 1966-04-19 1969-06-04 Du Pont Process for the Dimerization of Acrylonitrile
DE1293155B (de) 1966-05-14 1969-04-24 Basf Ag Verfahren zur Herstellung von 1, 3-Dicyan-3-buten durch Dimerisieren von Acrylsaeurenitril
US3631218A (en) 1970-04-30 1971-12-28 Shell Oil Co Double bond isomerization of olefins
AU499165B2 (en) * 1975-10-31 1979-04-05 Ici Limited Dimerisation process
US4532475A (en) * 1983-03-09 1985-07-30 Victor Company Of Japan, Limited Impulse noise reduction by linear interpolation having a deemphasis characteristic

Also Published As

Publication number Publication date
DE2747139A1 (de) 1978-05-11
DE2747139C2 (nl) 1990-04-19
FR2368470B1 (fr) 1983-09-09
US4138428A (en) 1979-02-06
NL7711527A (nl) 1978-04-25
US4190616A (en) 1980-02-26
JPS5353616A (en) 1978-05-16
JPS6117819B2 (nl) 1986-05-09
FR2368470A1 (fr) 1978-05-19

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: IMPERIAL CHEMICAL INDUSTRIES LTD

Effective date: 19941031