CS215061B2 - Method of preparation of the 2,2,4,5,5-pentamethyl-3-formyl-3-pyrroline - Google Patents
Method of preparation of the 2,2,4,5,5-pentamethyl-3-formyl-3-pyrroline Download PDFInfo
- Publication number
- CS215061B2 CS215061B2 CS803746A CS374680A CS215061B2 CS 215061 B2 CS215061 B2 CS 215061B2 CS 803746 A CS803746 A CS 803746A CS 374680 A CS374680 A CS 374680A CS 215061 B2 CS215061 B2 CS 215061B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- sulfuric acid
- pentamethyl
- preparation
- formyl
- mercury
- 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
- C07D207/04—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 no double bonds between ring members or between ring members and non-ring members
- C07D207/08—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 no double bonds between ring members or between ring members and non-ring members with hydrocarbon radicals, substituted by hetero atoms, attached to ring carbon atoms
-
- 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
- C07D207/18—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 one double bond between ring members or between a ring member and a non-ring member
- C07D207/20—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 one double bond between ring members or between a ring member and a non-ring member with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyrrole Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT23080/79A IT1121521B (it) | 1979-05-29 | 1979-05-29 | Processo per la preparazione di 2,2-dialchil-4 metil-5,5 dialchil-3 formil-3 pirrolina e prodotti cosi'ottenuti |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS215061B2 true CS215061B2 (en) | 1982-07-30 |
Family
ID=11203554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS803746A CS215061B2 (en) | 1979-05-29 | 1980-05-28 | Method of preparation of the 2,2,4,5,5-pentamethyl-3-formyl-3-pyrroline |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US4393218A (ru) |
| JP (1) | JPS55160759A (ru) |
| AT (1) | AT373872B (ru) |
| BE (1) | BE883535A (ru) |
| CA (1) | CA1138880A (ru) |
| CH (1) | CH649286A5 (ru) |
| CS (1) | CS215061B2 (ru) |
| DD (1) | DD151161A5 (ru) |
| DE (1) | DE3020298C2 (ru) |
| DK (1) | DK212080A (ru) |
| FR (1) | FR2457857A1 (ru) |
| GB (1) | GB2051058B (ru) |
| IT (1) | IT1121521B (ru) |
| NL (1) | NL8003128A (ru) |
| NO (1) | NO801549L (ru) |
| SU (1) | SU955858A3 (ru) |
| ZA (1) | ZA803133B (ru) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1151734B (it) * | 1982-04-22 | 1986-12-24 | Anic Spa | Processo per la preparazione di 1,1,3,3 tetrametil-2,3 diidro-1-h-isoindoli sostituiti in posizione 5 e/o 6 e prodotti cosi' ottenuti |
| IT1196327B (it) * | 1984-11-16 | 1988-11-16 | Consiglio Nazionale Ricerche | 3-aza-7-idrossi-2,2,4,4-tetraalchilbiciclo (3.3.0) ottani,procedimento per la loro preparazione,intermedi adatti allo scopo e procedimento per l'ottenimento di questi ultimi |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1468046A (en) * | 1975-05-22 | 1977-03-23 | Ici Ltd | Production of sterically hindered 5-membered heterocyclic rings containing nitrogen |
-
1979
- 1979-05-29 IT IT23080/79A patent/IT1121521B/it active
-
1980
- 1980-05-08 CA CA000351516A patent/CA1138880A/en not_active Expired
- 1980-05-14 DK DK212080A patent/DK212080A/da not_active Application Discontinuation
- 1980-05-16 GB GB8016258A patent/GB2051058B/en not_active Expired
- 1980-05-16 AT AT0263480A patent/AT373872B/de not_active IP Right Cessation
- 1980-05-20 CH CH3929/80A patent/CH649286A5/it not_active IP Right Cessation
- 1980-05-23 NO NO801549A patent/NO801549L/no unknown
- 1980-05-26 ZA ZA00803133A patent/ZA803133B/xx unknown
- 1980-05-27 FR FR8011731A patent/FR2457857A1/fr active Granted
- 1980-05-28 SU SU802926553A patent/SU955858A3/ru active
- 1980-05-28 JP JP7021880A patent/JPS55160759A/ja active Pending
- 1980-05-28 CS CS803746A patent/CS215061B2/cs unknown
- 1980-05-28 DE DE3020298A patent/DE3020298C2/de not_active Expired
- 1980-05-29 BE BE0/200808A patent/BE883535A/fr not_active IP Right Cessation
- 1980-05-29 NL NL8003128A patent/NL8003128A/nl not_active Application Discontinuation
- 1980-05-29 DD DD80221450A patent/DD151161A5/de unknown
-
1981
- 1981-12-07 US US06/327,753 patent/US4393218A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA1138880A (en) | 1983-01-04 |
| DE3020298A1 (de) | 1980-12-04 |
| BE883535A (fr) | 1980-12-01 |
| NO801549L (no) | 1980-12-01 |
| ATA263480A (de) | 1983-07-15 |
| FR2457857A1 (fr) | 1980-12-26 |
| NL8003128A (nl) | 1980-12-02 |
| JPS55160759A (en) | 1980-12-13 |
| AT373872B (de) | 1984-02-27 |
| IT7923080A0 (it) | 1979-05-29 |
| GB2051058B (en) | 1983-03-16 |
| FR2457857B1 (ru) | 1983-04-22 |
| DD151161A5 (de) | 1981-10-08 |
| SU955858A3 (ru) | 1982-08-30 |
| ZA803133B (en) | 1981-05-27 |
| DK212080A (da) | 1980-11-30 |
| CH649286A5 (it) | 1985-05-15 |
| US4393218A (en) | 1983-07-12 |
| GB2051058A (en) | 1981-01-14 |
| IT1121521B (it) | 1986-04-02 |
| DE3020298C2 (de) | 1983-04-28 |
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