IT1153750B - Processo per la preparazione dell'acido 3-carbossi-1-metilpirrol-2-acetico - Google Patents
Processo per la preparazione dell'acido 3-carbossi-1-metilpirrol-2-aceticoInfo
- Publication number
- IT1153750B IT1153750B IT23370/82A IT2337082A IT1153750B IT 1153750 B IT1153750 B IT 1153750B IT 23370/82 A IT23370/82 A IT 23370/82A IT 2337082 A IT2337082 A IT 2337082A IT 1153750 B IT1153750 B IT 1153750B
- Authority
- IT
- Italy
- Prior art keywords
- methylpirrol
- carboxy
- preparation
- acetic acid
- acetic
- Prior art date
Links
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
- C07D207/34—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 hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pyrrole Compounds (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT23370/82A IT1153750B (it) | 1982-09-21 | 1982-09-21 | Processo per la preparazione dell'acido 3-carbossi-1-metilpirrol-2-acetico |
JP58169529A JPS5973566A (ja) | 1982-09-21 | 1983-09-16 | 3−カルボキシ−1−メチルピロ−ル−2−酢酸の製造方法 |
CA000437154A CA1206479A (en) | 1982-09-21 | 1983-09-20 | Process for the preparation of 3-carboxy-1- methylpyrrol-2-acetic acid |
EP83305548A EP0105664B1 (en) | 1982-09-21 | 1983-09-21 | Process for the preparation of 3-carboxy-1-methylpyrrol-2-acetic-acid and alkali metal salts thereof |
DE8383305548T DE3367772D1 (en) | 1982-09-21 | 1983-09-21 | Process for the preparation of 3-carboxy-1-methylpyrrol-2-acetic-acid and alkali metal salts thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT23370/82A IT1153750B (it) | 1982-09-21 | 1982-09-21 | Processo per la preparazione dell'acido 3-carbossi-1-metilpirrol-2-acetico |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8223370A0 IT8223370A0 (it) | 1982-09-21 |
IT1153750B true IT1153750B (it) | 1987-01-14 |
Family
ID=11206485
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT23370/82A IT1153750B (it) | 1982-09-21 | 1982-09-21 | Processo per la preparazione dell'acido 3-carbossi-1-metilpirrol-2-acetico |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0105664B1 (it) |
JP (1) | JPS5973566A (it) |
CA (1) | CA1206479A (it) |
DE (1) | DE3367772D1 (it) |
IT (1) | IT1153750B (it) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4874872A (en) * | 1987-01-14 | 1989-10-17 | Syntex (U.S.A.) Inc. | Process for preparing (+)-2,3-dihydro-1H-pyrrolo[1,2-A]pyrrole-1,7-dicarboxylates |
US4937368A (en) * | 1987-01-14 | 1990-06-26 | Syntex (U.S.A.) Inc. | Process for preparing (+)-2,3-dihydro-1H-pyrrolo[1,2-A]pyrrole-1,7-dicarboxylates |
US4835288A (en) * | 1987-01-14 | 1989-05-30 | Syntex Inc. | Process for preparing (+)-2,3-dihydro-1H-pyrrolo[1,2-a]pyrrole-1,7-dicarboxylates |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3752826A (en) * | 1970-01-26 | 1973-08-14 | Mcneilab Inc | Aroyl substituted pyrroles |
US4048191A (en) * | 1975-06-27 | 1977-09-13 | Mcneil Laboratories, Incorporated | Halo-substituted 1-loweralkyl-5-aroylpyrrole-2-acetic acid compounds |
US4363918A (en) * | 1979-09-11 | 1982-12-14 | Janssen Pharmaceutica N.V. | Method of preparing 1-alkyl-3-carboxy-1H pyrrole-2-acetic acids |
US4374255A (en) * | 1980-04-04 | 1983-02-15 | Ethyl Corporation | Process for producing substituted pyrroles |
EP0089393A1 (en) * | 1982-03-23 | 1983-09-28 | Ethyl Corporation | Process for producing substituted pyrroles |
IT1151731B (it) * | 1982-04-21 | 1986-12-24 | Montedison Spa | Processo per la preparazione dell'acido 3-carbossi-1,4-dimetilpirrol-2-acetico |
-
1982
- 1982-09-21 IT IT23370/82A patent/IT1153750B/it active
-
1983
- 1983-09-16 JP JP58169529A patent/JPS5973566A/ja active Pending
- 1983-09-20 CA CA000437154A patent/CA1206479A/en not_active Expired
- 1983-09-21 DE DE8383305548T patent/DE3367772D1/de not_active Expired
- 1983-09-21 EP EP83305548A patent/EP0105664B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1206479A (en) | 1986-06-24 |
EP0105664A1 (en) | 1984-04-18 |
JPS5973566A (ja) | 1984-04-25 |
DE3367772D1 (en) | 1987-01-08 |
EP0105664B1 (en) | 1986-11-20 |
IT8223370A0 (it) | 1982-09-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19950911 |