BR8900449A - Processo para a preparacao de anidrido ftalico substituido - Google Patents
Processo para a preparacao de anidrido ftalico substituidoInfo
- Publication number
- BR8900449A BR8900449A BR898900449A BR8900449A BR8900449A BR 8900449 A BR8900449 A BR 8900449A BR 898900449 A BR898900449 A BR 898900449A BR 8900449 A BR8900449 A BR 8900449A BR 8900449 A BR8900449 A BR 8900449A
- Authority
- BR
- Brazil
- Prior art keywords
- preparation
- chem
- formula
- phthalic anhydride
- replaced
- Prior art date
Links
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 title abstract 3
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 229910052736 halogen Inorganic materials 0.000 abstract 3
- 125000005843 halogen group Chemical group 0.000 abstract 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 2
- MUTGBJKUEZFXGO-OLQVQODUSA-N (3as,7ar)-3a,4,5,6,7,7a-hexahydro-2-benzofuran-1,3-dione Chemical class C1CCC[C@@H]2C(=O)OC(=O)[C@@H]21 MUTGBJKUEZFXGO-OLQVQODUSA-N 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 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
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/567—Preparation of carboxylic acid anhydrides by reactions not involving carboxylic acid anhydride groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Furan Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Fats And Perfumes (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Indole Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/160,035 US4978760A (en) | 1988-02-24 | 1988-02-24 | Preparation of halogen substituted phthalic anhydride |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8900449A true BR8900449A (pt) | 1989-09-26 |
Family
ID=22575226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR898900449A BR8900449A (pt) | 1988-02-24 | 1989-02-01 | Processo para a preparacao de anidrido ftalico substituido |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4978760A (pt) |
| EP (1) | EP0330219B1 (pt) |
| JP (1) | JPH01249764A (pt) |
| AT (1) | ATE99279T1 (pt) |
| BR (1) | BR8900449A (pt) |
| DE (1) | DE68911710D1 (pt) |
| IL (1) | IL88819A (pt) |
| NO (1) | NO171498C (pt) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5059697A (en) * | 1990-06-14 | 1991-10-22 | Occidental Chemical Corporation | Preparation of halogenated phthalic anhydrides |
| US5225573A (en) * | 1990-07-06 | 1993-07-06 | Bromine Compounds Limited | Intermediates to tetrabromophthalic anhydride and process therefor |
| US5322954A (en) * | 1993-05-28 | 1994-06-21 | Occidental Chemical Corporation | Synthesis of 4-substituted phthalic anhydrides |
| US6576770B1 (en) | 2001-12-05 | 2003-06-10 | General Electric Company | Preparation of substituted phthalic anhydrides and substituted phthalimides |
| US6528663B1 (en) | 2001-12-05 | 2003-03-04 | General Electric Company | Methods for the preparation of 4-chlorophthalic anhydride |
| US6498224B1 (en) | 2001-12-05 | 2002-12-24 | General Electric Company | Methods for the preparation poly(etherimide)s |
| US6657068B2 (en) | 2002-03-22 | 2003-12-02 | General Electric Company | Liquid phase oxidation of halogenated ortho-xylenes |
| US6657067B2 (en) | 2002-03-22 | 2003-12-02 | General Electric Company | Method for the manufacture of chlorophthalic anhydride |
| US6649773B2 (en) | 2002-03-22 | 2003-11-18 | General Electric Company | Method for the manufacture of halophthalic acids and anhydrides |
| US6881815B2 (en) * | 2002-09-25 | 2005-04-19 | General Electric Company | Method for the preparation poly(etherimide)s |
| US7541489B2 (en) | 2004-06-30 | 2009-06-02 | Sabic Innovative Plastics Ip B.V. | Method of making halophthalic acids and halophthalic anhydrides |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4709056A (en) * | 1983-05-12 | 1987-11-24 | Occidental Chemical Corporation | 4,4-dihalohexahydrophthalic anhydrides and 4-fluorotetrahydrophthalic anhydride, and process for their preparation |
| US4517372A (en) * | 1983-05-12 | 1985-05-14 | Occidental Chemical Corporation | Process for the preparation of 4-fluorophthalic anhydride |
| US4560773A (en) * | 1984-04-16 | 1985-12-24 | Stauffer Chemical Company | Process for preparing substituted phthalic anhydrides |
| US4560772A (en) * | 1984-10-22 | 1985-12-24 | Stauffer Chemical Company | Preparation of substituted phthalic anhydrides |
-
1988
- 1988-02-24 US US07/160,035 patent/US4978760A/en not_active Expired - Lifetime
- 1988-12-28 IL IL88819A patent/IL88819A/xx unknown
-
1989
- 1989-02-01 BR BR898900449A patent/BR8900449A/pt unknown
- 1989-02-08 JP JP1029576A patent/JPH01249764A/ja active Pending
- 1989-02-22 NO NO890749A patent/NO171498C/no unknown
- 1989-02-24 EP EP89103248A patent/EP0330219B1/en not_active Expired - Lifetime
- 1989-02-24 DE DE89103248T patent/DE68911710D1/de not_active Expired - Lifetime
- 1989-02-24 AT AT89103248T patent/ATE99279T1/de active
Also Published As
| Publication number | Publication date |
|---|---|
| IL88819A0 (en) | 1989-07-31 |
| EP0330219A3 (en) | 1991-05-29 |
| IL88819A (en) | 1993-01-31 |
| JPH01249764A (ja) | 1989-10-05 |
| NO171498B (no) | 1992-12-14 |
| ATE99279T1 (de) | 1994-01-15 |
| EP0330219A2 (en) | 1989-08-30 |
| US4978760A (en) | 1990-12-18 |
| NO890749D0 (no) | 1989-02-22 |
| NO171498C (no) | 1993-03-24 |
| EP0330219B1 (en) | 1993-12-29 |
| DE68911710D1 (de) | 1994-02-10 |
| NO890749L (no) | 1989-08-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B15K | Others concerning applications: alteration of classification |
Ipc: C07C 51/567 (2006.01), C07C 63/68 (2006.0 |