GB1383054A - Isomerization of tetrahydrophthalic anhydrides - Google Patents
Isomerization of tetrahydrophthalic anhydridesInfo
- Publication number
- GB1383054A GB1383054A GB1115172A GB1115172A GB1383054A GB 1383054 A GB1383054 A GB 1383054A GB 1115172 A GB1115172 A GB 1115172A GB 1115172 A GB1115172 A GB 1115172A GB 1383054 A GB1383054 A GB 1383054A
- Authority
- GB
- United Kingdom
- Prior art keywords
- isomer
- tetrahydrophthalic
- anhydride
- isomerization
- isomers
- 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
- UHMARZNHEMRXQH-UHFFFAOYSA-N 3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione Chemical class C1=CCCC2C(=O)OC(=O)C21 UHMARZNHEMRXQH-UHFFFAOYSA-N 0.000 title 1
- 238000006317 isomerization reaction Methods 0.000 title 1
- KMOUUZVZFBCRAM-OLQVQODUSA-N (3as,7ar)-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione Chemical class C1C=CC[C@@H]2C(=O)OC(=O)[C@@H]21 KMOUUZVZFBCRAM-OLQVQODUSA-N 0.000 abstract 2
- 239000007788 liquid Substances 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 150000008064 anhydrides Chemical class 0.000 abstract 1
- 230000003197 catalytic effect Effects 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000003822 epoxy resin Substances 0.000 abstract 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 abstract 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 229920000647 polyepoxide Polymers 0.000 abstract 1
- UFDHBDMSHIXOKF-UHFFFAOYSA-N tetrahydrophthalic acid Natural products OC(=O)C1=C(C(O)=O)CCCC1 UFDHBDMSHIXOKF-UHFFFAOYSA-N 0.000 abstract 1
- -1 tetrahydrophthalic acid ester Chemical class 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
- C07D307/89—Benzo [c] furans; Hydrogenated benzo [c] furans with two oxygen atoms directly attached in positions 1 and 3
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Furan Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12307571A | 1971-03-10 | 1971-03-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1383054A true GB1383054A (en) | 1975-02-05 |
Family
ID=22406572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1115172A Expired GB1383054A (en) | 1971-03-10 | 1972-03-09 | Isomerization of tetrahydrophthalic anhydrides |
Country Status (5)
| Country | Link |
|---|---|
| CA (1) | CA990304A (https=) |
| DE (1) | DE2211402A1 (https=) |
| FR (1) | FR2128784B1 (https=) |
| GB (1) | GB1383054A (https=) |
| IT (1) | IT948766B (https=) |
-
1972
- 1972-02-23 CA CA135,384A patent/CA990304A/en not_active Expired
- 1972-02-29 IT IT4862272A patent/IT948766B/it active
- 1972-03-09 GB GB1115172A patent/GB1383054A/en not_active Expired
- 1972-03-09 DE DE19722211402 patent/DE2211402A1/de active Pending
- 1972-03-09 FR FR7208274A patent/FR2128784B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2128784B1 (https=) | 1975-10-24 |
| IT948766B (it) | 1973-06-11 |
| FR2128784A1 (https=) | 1972-10-20 |
| CA990304A (en) | 1976-06-01 |
| DE2211402A1 (de) | 1972-09-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CSNS | Application of which complete specification have been accepted and published, but patent is not sealed |