BE784593A - Procede de preparation de pivalolactone - Google Patents

Procede de preparation de pivalolactone

Info

Publication number
BE784593A
BE784593A BE784593A BE784593A BE784593A BE 784593 A BE784593 A BE 784593A BE 784593 A BE784593 A BE 784593A BE 784593 A BE784593 A BE 784593A BE 784593 A BE784593 A BE 784593A
Authority
BE
Belgium
Prior art keywords
pivalolactone
preparation process
preparation
pivalolactone preparation
Prior art date
Application number
BE784593A
Other languages
English (en)
Original Assignee
Hoechst 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 Hoechst Ag filed Critical Hoechst Ag
Publication of BE784593A publication Critical patent/BE784593A/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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/02—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the alkali- or alkaline earth metals or beryllium
    • 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
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • 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
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/20—Carbon compounds
    • B01J27/232—Carbonates
    • 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
    • B01J31/04—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing carboxylic acids or their salts
    • 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
    • B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/1616—Coordination complexes, e.g. organometallic complexes, immobilised on an inorganic support, e.g. ship-in-a-bottle type catalysts
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D315/00—Heterocyclic compounds containing rings having one oxygen atom as the only ring hetero atom according to more than one of groups C07D303/00 - C07D313/00
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61—Surface area
    • B01J35/615—100-500 m2/g
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/63—Pore volume
    • B01J35/638—Pore volume more than 1.0 ml/g
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/64—Pore diameter
    • B01J35/647—2-50 nm
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/64—Pore diameter
    • B01J35/651—50-500 nm
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
BE784593A 1971-06-08 1972-06-08 Procede de preparation de pivalolactone BE784593A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2128406A DE2128406C3 (de) 1971-06-08 1971-06-08 Verfahren zur Herstellung von a , a -Dimethyl--propiolacton (Pivalolacton)

Publications (1)

Publication Number Publication Date
BE784593A true BE784593A (fr) 1972-12-08

Family

ID=5810174

Family Applications (2)

Application Number Title Priority Date Filing Date
BE784593A BE784593A (fr) 1971-06-08 1972-06-08 Procede de preparation de pivalolactone
BE784583A BE784583A (fr) 1971-06-08 1972-06-08 Convoyeur a accumulation

Family Applications After (1)

Application Number Title Priority Date Filing Date
BE784583A BE784583A (fr) 1971-06-08 1972-06-08 Convoyeur a accumulation

Country Status (17)

Country Link
US (1) US3888884A (fr)
JP (1) JPS5544750B1 (fr)
AT (1) AT317168B (fr)
BE (2) BE784593A (fr)
BR (1) BR7203668D0 (fr)
CA (1) CA953301A (fr)
CH (1) CH572477A5 (fr)
CS (1) CS160700B2 (fr)
DE (1) DE2128406C3 (fr)
ES (1) ES403431A1 (fr)
FR (1) FR2140556B1 (fr)
GB (1) GB1384605A (fr)
IT (1) IT956178B (fr)
NL (1) NL7207518A (fr)
RO (1) RO61546A (fr)
SE (1) SE371439B (fr)
ZA (1) ZA723748B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3295266A (en) * 1959-06-22 1967-01-03 Rudi Van Bijlevelt Suspended floor system for a multi-level building
FR2634398B1 (fr) * 1988-06-29 1990-09-07 Elf Aquitaine Procede de preparation d'un catalyseur apte a promouvoir la conversion oxydante du methane en hydrocarbures superieurs
US4989815A (en) * 1990-05-22 1991-02-05 Superior Jewelry Company Releasable connector system
US5349046A (en) * 1992-12-01 1994-09-20 Shell Oil Company Polymerization of β-lactones under rim conditions

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1568090A1 (de) * 1966-03-16 1970-01-08 Basf Ag Verfahren zur Herstellung von ss-Lactonen
NL129930C (fr) * 1966-06-03
US3492315A (en) * 1966-08-20 1970-01-27 Kanebo Ltd Production of alpha,alpha-disubstituted-beta propiolactones

Also Published As

Publication number Publication date
JPS5544750B1 (fr) 1980-11-13
DE2128406B2 (de) 1980-04-30
DE2128406C3 (de) 1981-01-08
NL7207518A (fr) 1972-12-12
FR2140556B1 (fr) 1977-12-23
ES403431A1 (es) 1975-05-01
RO61546A (fr) 1977-05-15
BR7203668D0 (pt) 1973-05-31
GB1384605A (en) 1975-02-19
AT317168B (de) 1974-08-12
ZA723748B (en) 1973-03-28
FR2140556A1 (fr) 1973-01-19
CH572477A5 (fr) 1976-02-13
CA953301A (en) 1974-08-20
BE784583A (fr) 1972-12-08
DE2128406A1 (de) 1972-12-28
IT956178B (it) 1973-10-10
CS160700B2 (fr) 1975-03-28
SE371439B (fr) 1974-11-18
US3888884A (en) 1975-06-10

Similar Documents

Publication Publication Date Title
BE787395A (fr) Procede de preparation de polyisocyanates
BE784737A (fr) Procede de preparation de n-arylurees
BE789476A (fr) Procede de preparation de cliches
BE786329A (fr) Procede de preparation de polyurethannes
BE791800A (fr) Procede de preparation de 2-mercaptobenzothiazole
BE778610A (fr) Procede de teinture
BE789702A (fr) Procede de preparation de dinitroanthraquinones
RO68997A (fr) Procede de preparation des phenyle-derives
BE783074A (fr) Procede de fluoration de composes perchlores
BE787990A (fr) Procede de preparation de peroxydiesters
BE784593A (fr) Procede de preparation de pivalolactone
BE785780A (fr) Procede de preparation de 6-hydroxy-dihydro-uraciles
BE782154R (fr) Procede de preparation de 5-
BE792486R (fr) Procede de preparation
BE786177R (fr) Procede de preparation
BE792122A (fr) Procede de preparation de benzyl-pyrimidines
BE783646A (fr) Procede de deparaffinage
BE784116R (fr) Procede de preparation de
BE791411R (fr) Procede de preparation de
BE792288R (fr) Procede de preparation de 1-ethyl-3-
BE783626A (fr) Procede de preparation de dichloroquinacridones
BE786521A (fr) Procede de preparation de 4-chloro-benzothiazoles
BE793154A (fr) Procede de preparation de
BE791132A (fr) Procede de preparation de
BE780470A (fr) Procede de preparation de cetazines