IT1035842B - Processo per produrre anidride citraconica - Google Patents

Processo per produrre anidride citraconica

Info

Publication number
IT1035842B
IT1035842B IT49749/75A IT4974975A IT1035842B IT 1035842 B IT1035842 B IT 1035842B IT 49749/75 A IT49749/75 A IT 49749/75A IT 4974975 A IT4974975 A IT 4974975A IT 1035842 B IT1035842 B IT 1035842B
Authority
IT
Italy
Prior art keywords
citracon
dioxide
produce
produce citracon
citracon dioxide
Prior art date
Application number
IT49749/75A
Other languages
English (en)
Italian (it)
Original Assignee
Pfizer
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 Pfizer filed Critical Pfizer
Application granted granted Critical
Publication of IT1035842B publication Critical patent/IT1035842B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/23—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of oxygen-containing groups to carboxyl groups
    • C07C51/235—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of oxygen-containing groups to carboxyl groups of —CHO groups or primary alcohol groups
    • 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
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/24—Chromium, molybdenum or tungsten
    • B01J23/28—Molybdenum
    • 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
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/847—Vanadium, niobium or tantalum or polonium
    • B01J23/8472—Vanadium
    • 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
    • B01J27/14—Phosphorus; Compounds thereof
    • B01J27/186—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J27/195—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with vanadium, niobium or tantalum
    • B01J27/198—Vanadium
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/25—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Furan Compounds (AREA)
IT49749/75A 1974-06-03 1975-05-23 Processo per produrre anidride citraconica IT1035842B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/475,770 US3932469A (en) 1974-06-03 1974-06-03 Citraconic anhydride process

Publications (1)

Publication Number Publication Date
IT1035842B true IT1035842B (it) 1979-10-20

Family

ID=23889058

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49749/75A IT1035842B (it) 1974-06-03 1975-05-23 Processo per produrre anidride citraconica

Country Status (14)

Country Link
US (1) US3932469A (enExample)
JP (1) JPS50154206A (enExample)
AR (1) AR202985A1 (enExample)
BE (1) BE829161A (enExample)
BR (1) BR7503357A (enExample)
CA (1) CA1040210A (enExample)
DE (1) DE2522568A1 (enExample)
DK (1) DK232875A (enExample)
FR (1) FR2273001B1 (enExample)
GB (1) GB1448811A (enExample)
IE (1) IE40947B1 (enExample)
IT (1) IT1035842B (enExample)
LU (1) LU72599A1 (enExample)
NL (1) NL7505783A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6610878B1 (en) 1999-05-10 2003-08-26 Eastman Chemical Company Poly(3-cyclopropyl-3-hydroxypropionate) and processes for its preparation and derivatives thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL110578C (enExample) * 1958-11-07

Also Published As

Publication number Publication date
BR7503357A (pt) 1976-05-25
BE829161A (fr) 1975-11-17
CA1040210A (en) 1978-10-10
IE40947B1 (en) 1979-09-12
NL7505783A (nl) 1975-12-05
LU72599A1 (enExample) 1976-03-17
JPS50154206A (enExample) 1975-12-12
DE2522568A1 (de) 1975-12-11
FR2273001B1 (enExample) 1978-09-22
US3932469A (en) 1976-01-13
IE40947L (en) 1975-12-03
FR2273001A1 (enExample) 1975-12-26
AR202985A1 (es) 1975-07-31
GB1448811A (en) 1976-09-08
DK232875A (da) 1975-12-04

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