BR7503357A - Processo para preparar anidrido citraconico - Google Patents
Processo para preparar anidrido citraconicoInfo
- Publication number
- BR7503357A BR7503357A BR4291/75D BR7504291D BR7503357A BR 7503357 A BR7503357 A BR 7503357A BR 4291/75 D BR4291/75 D BR 4291/75D BR 7504291 D BR7504291 D BR 7504291D BR 7503357 A BR7503357 A BR 7503357A
- Authority
- BR
- Brazil
- Prior art keywords
- prepare
- citraconic anhydride
- citraconic
- anhydride
- prepare citraconic
- Prior art date
Links
- AYKYXWQEBUNJCN-UHFFFAOYSA-N 3-methylfuran-2,5-dione Chemical compound CC1=CC(=O)OC1=O AYKYXWQEBUNJCN-UHFFFAOYSA-N 0.000 title 1
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)
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 |
|---|---|
| BR7503357A true BR7503357A (pt) | 1976-05-25 |
Family
ID=23889058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR4291/75D BR7503357A (pt) | 1974-06-03 | 1975-05-28 | Processo para preparar anidrido citraconico |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US3932469A (OSRAM) |
| JP (1) | JPS50154206A (OSRAM) |
| AR (1) | AR202985A1 (OSRAM) |
| BE (1) | BE829161A (OSRAM) |
| BR (1) | BR7503357A (OSRAM) |
| CA (1) | CA1040210A (OSRAM) |
| DE (1) | DE2522568A1 (OSRAM) |
| DK (1) | DK232875A (OSRAM) |
| FR (1) | FR2273001B1 (OSRAM) |
| GB (1) | GB1448811A (OSRAM) |
| IE (1) | IE40947B1 (OSRAM) |
| IT (1) | IT1035842B (OSRAM) |
| LU (1) | LU72599A1 (OSRAM) |
| NL (1) | NL7505783A (OSRAM) |
Families Citing this family (1)
| 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL110578C (OSRAM) * | 1958-11-07 |
-
1974
- 1974-06-03 US US05/475,770 patent/US3932469A/en not_active Expired - Lifetime
-
1975
- 1975-03-14 IE IE565/75A patent/IE40947B1/xx unknown
- 1975-03-27 GB GB13056/75A patent/GB1448811A/en not_active Expired
- 1975-04-24 CA CA225,339A patent/CA1040210A/en not_active Expired
- 1975-05-12 JP JP50054788A patent/JPS50154206A/ja active Pending
- 1975-05-16 NL NL7505783A patent/NL7505783A/xx not_active Application Discontinuation
- 1975-05-16 BE BE1006667A patent/BE829161A/xx not_active IP Right Cessation
- 1975-05-22 DE DE19752522568 patent/DE2522568A1/de not_active Ceased
- 1975-05-23 FR FR7516197A patent/FR2273001B1/fr not_active Expired
- 1975-05-23 IT IT49749/75A patent/IT1035842B/it active
- 1975-05-27 DK DK232875A patent/DK232875A/da not_active Application Discontinuation
- 1975-05-28 LU LU72599A patent/LU72599A1/xx unknown
- 1975-05-28 BR BR4291/75D patent/BR7503357A/pt unknown
- 1975-05-28 AR AR258986A patent/AR202985A1/es active
Also Published As
| Publication number | Publication date |
|---|---|
| BE829161A (fr) | 1975-11-17 |
| CA1040210A (en) | 1978-10-10 |
| IT1035842B (it) | 1979-10-20 |
| IE40947B1 (en) | 1979-09-12 |
| NL7505783A (nl) | 1975-12-05 |
| LU72599A1 (OSRAM) | 1976-03-17 |
| JPS50154206A (OSRAM) | 1975-12-12 |
| DE2522568A1 (de) | 1975-12-11 |
| FR2273001B1 (OSRAM) | 1978-09-22 |
| US3932469A (en) | 1976-01-13 |
| IE40947L (en) | 1975-12-03 |
| FR2273001A1 (OSRAM) | 1975-12-26 |
| AR202985A1 (es) | 1975-07-31 |
| GB1448811A (en) | 1976-09-08 |
| DK232875A (da) | 1975-12-04 |
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