ES433090A1 - Procedure for the preparation of imidil-ftalicos and isoimidil-ftalicos anhydrics. (Machine-translation by Google Translate, not legally binding) - Google Patents
Procedure for the preparation of imidil-ftalicos and isoimidil-ftalicos anhydrics. (Machine-translation by Google Translate, not legally binding)Info
- Publication number
- ES433090A1 ES433090A1 ES433090A ES433090A ES433090A1 ES 433090 A1 ES433090 A1 ES 433090A1 ES 433090 A ES433090 A ES 433090A ES 433090 A ES433090 A ES 433090A ES 433090 A1 ES433090 A1 ES 433090A1
- Authority
- ES
- Spain
- Prior art keywords
- ftalicos
- formula
- translation
- preparation
- machine
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title abstract 2
- 150000003839 salts Chemical class 0.000 abstract 3
- WGLQHUKCXBXUDV-UHFFFAOYSA-N 3-aminophthalic acid Chemical compound NC1=CC=CC(C(O)=O)=C1C(O)=O WGLQHUKCXBXUDV-UHFFFAOYSA-N 0.000 abstract 2
- OXSANYRLJHSQEP-UHFFFAOYSA-N 4-aminophthalic acid Chemical compound NC1=CC=C(C(O)=O)C(C(O)=O)=C1 OXSANYRLJHSQEP-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 150000008064 anhydrides Chemical class 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 125000004432 carbon atom Chemical group C* 0.000 abstract 1
- 239000011203 carbon fibre reinforced carbon Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- LGRFSURHDFAFJT-UHFFFAOYSA-N phthalic anhydride Chemical class C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 abstract 1
- 230000009466 transformation Effects 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/42—Polycarboxylic acids; Anhydrides, halides or low molecular weight esters thereof
- C08G59/4223—Polycarboxylic acids; Anhydrides, halides or low molecular weight esters thereof aromatic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/4007—Curing agents not provided for by the groups C08G59/42 - C08G59/66
- C08G59/4014—Nitrogen containing compounds
- C08G59/4042—Imines; Imides
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Epoxy Resins (AREA)
Abstract
Process for the preparation of imidyl phthalic and isoimidyl phthalic anhydrides, of the formula ** (see formula) ** In which one of the symbols X and y represents oxygen, while the other represents the divalent radical ** (see formula) ** Y A represents a divalent radical with 2 to 8 carbon atoms that optionally has a carbon-carbon double bond, Characterized by reacting 3- or 4-aminophthalic acid, or a respective salt, with an anhydride of formula ii ** (see formula) ** To form an amidyl phthalic acid of the formula iii ** (see formula) ** Where A has the same meaning as in formula i or a salt thereof, and then the acid obtained is cyclized, optionally after the transformation of the obtained salt. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1790373A CH587271A5 (en) | 1973-12-20 | 1973-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES433090A1 true ES433090A1 (en) | 1976-12-01 |
Family
ID=4428962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES433090A Expired ES433090A1 (en) | 1973-12-20 | 1974-12-19 | Procedure for the preparation of imidil-ftalicos and isoimidil-ftalicos anhydrics. (Machine-translation by Google Translate, not legally binding) |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2463426C2 (en) |
| ES (1) | ES433090A1 (en) |
-
1974
- 1974-12-17 DE DE2463426A patent/DE2463426C2/de not_active Expired
- 1974-12-19 ES ES433090A patent/ES433090A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2463426C2 (en) | 1987-10-01 |
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