GB1503221A - Preparation of anhydrides - Google Patents
Preparation of anhydridesInfo
- Publication number
- GB1503221A GB1503221A GB9433/75A GB943375A GB1503221A GB 1503221 A GB1503221 A GB 1503221A GB 9433/75 A GB9433/75 A GB 9433/75A GB 943375 A GB943375 A GB 943375A GB 1503221 A GB1503221 A GB 1503221A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sulphonic
- acid
- preparation
- aromatic
- march
- 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
- 150000008064 anhydrides Chemical class 0.000 title abstract 4
- 239000002253 acid Substances 0.000 abstract 3
- -1 acids ETHYL Chemical class 0.000 abstract 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 abstract 2
- 150000007513 acids Chemical class 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- BQNCWILCVJVIPA-UHFFFAOYSA-N methylsulfonyl 4-methylbenzoate Chemical compound CC1=CC=C(C(=O)OS(C)(=O)=O)C=C1 BQNCWILCVJVIPA-UHFFFAOYSA-N 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-N sulfonic acid Chemical compound OS(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/30—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members
- C07D207/32—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
- C07D207/33—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms with substituted hydrocarbon radicals, directly attached to ring carbon atoms
- C07D207/337—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyrrole Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/451,817 US3935216A (en) | 1974-03-18 | 1974-03-18 | Preparation of toluoyl-5-pyrryl-2-acetonitrile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1503221A true GB1503221A (en) | 1978-03-08 |
Family
ID=23793823
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9433/75A Expired GB1503221A (en) | 1974-03-18 | 1975-03-06 | Preparation of anhydrides |
| GB40813/77A Expired GB1503222A (en) | 1974-03-18 | 1975-03-06 | Acylation of pyrrole derivatives |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB40813/77A Expired GB1503222A (en) | 1974-03-18 | 1975-03-06 | Acylation of pyrrole derivatives |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3935216A (enExample) |
| JP (1) | JPS5250790B2 (enExample) |
| CA (2) | CA1040207A (enExample) |
| CH (1) | CH616925A5 (enExample) |
| DE (1) | DE2511256C3 (enExample) |
| FR (1) | FR2264806B1 (enExample) |
| GB (2) | GB1503221A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1592996A (en) * | 1977-10-10 | 1981-07-15 | Rolland Sa A | Acylated pyrrole carboxylic acids and derivatives thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2033562A5 (enExample) * | 1969-02-27 | 1970-12-04 | Rhone Poulenc Sa |
-
1974
- 1974-03-18 US US05/451,817 patent/US3935216A/en not_active Expired - Lifetime
-
1975
- 1975-02-21 CA CA220,547A patent/CA1040207A/en not_active Expired
- 1975-03-06 GB GB9433/75A patent/GB1503221A/en not_active Expired
- 1975-03-06 GB GB40813/77A patent/GB1503222A/en not_active Expired
- 1975-03-14 DE DE2511256A patent/DE2511256C3/de not_active Expired
- 1975-03-17 CH CH336175A patent/CH616925A5/de not_active IP Right Cessation
- 1975-03-17 FR FR7508300A patent/FR2264806B1/fr not_active Expired
- 1975-03-18 JP JP50032886A patent/JPS5250790B2/ja not_active Expired
-
1978
- 1978-02-21 CA CA297,406A patent/CA1048056A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1040207A (en) | 1978-10-10 |
| FR2264806A1 (enExample) | 1975-10-17 |
| CA1048056A (en) | 1979-02-06 |
| US3935216A (en) | 1976-01-27 |
| JPS50126660A (enExample) | 1975-10-04 |
| CH616925A5 (enExample) | 1980-04-30 |
| DE2511256A1 (de) | 1975-09-25 |
| DE2511256C3 (de) | 1980-05-22 |
| GB1503222A (en) | 1978-03-08 |
| DE2511256B2 (de) | 1979-09-06 |
| FR2264806B1 (enExample) | 1979-06-22 |
| JPS5250790B2 (enExample) | 1977-12-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |