CH334844A - Verfahren zur Herstellung von 4-substituierten 1,2-Diaryl-3,5-dioxo-pyrazolidinen - Google Patents
Verfahren zur Herstellung von 4-substituierten 1,2-Diaryl-3,5-dioxo-pyrazolidinenInfo
- Publication number
- CH334844A CH334844A CH334844DA CH334844A CH 334844 A CH334844 A CH 334844A CH 334844D A CH334844D A CH 334844DA CH 334844 A CH334844 A CH 334844A
- Authority
- CH
- Switzerland
- Prior art keywords
- pyrazolidines
- diaryl
- dioxo
- substituted
- preparation
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/06—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
- C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three 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
- C07D231/28—Two oxygen or sulfur atoms
- C07D231/30—Two oxygen or sulfur atoms attached in positions 3 and 5
- C07D231/32—Oxygen atoms
- C07D231/36—Oxygen atoms with hydrocarbon radicals, substituted by hetero atoms, attached in position 4
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH827386X | 1955-06-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH334844A true CH334844A (de) | 1958-12-15 |
Family
ID=4540035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH334844D CH334844A (de) | 1955-06-10 | 1955-06-10 | Verfahren zur Herstellung von 4-substituierten 1,2-Diaryl-3,5-dioxo-pyrazolidinen |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US2808411A (de) |
| BE (1) | BE548512A (de) |
| CH (1) | CH334844A (de) |
| DE (1) | DE1056134B (de) |
| FR (1) | FR1167905A (de) |
| GB (1) | GB827386A (de) |
| LU (1) | LU34417A1 (de) |
| NL (1) | NL94270C (de) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE506891C (de) * | 1928-06-02 | 1930-09-10 | Naamlooze Vennootschap Smit & | Kolbenbolzen fuer Kolbenmaschinen, insbesondere Zweitaktbrennkraftmaschinen |
| DE668387C (de) * | 1936-12-12 | 1938-12-02 | Dr Hans P Kaufmann | Verfahren zur Herstellung von 1, 2, 3-substituierten 4-Acyl-5-pyrazolonen |
| DE676513C (de) * | 1936-12-12 | 1939-06-06 | Dr Hans P Kaufmann | Verfahren zur Darstellung von (1-Phenyl-2, 3-dimethyl-5-pyrazolony) -isopentylketon |
-
0
- NL NL94270D patent/NL94270C/xx active
- LU LU34417D patent/LU34417A1/xx unknown
- BE BE548512D patent/BE548512A/xx unknown
-
1955
- 1955-06-10 CH CH334844D patent/CH334844A/de unknown
-
1956
- 1956-05-25 US US587216A patent/US2808411A/en not_active Expired - Lifetime
- 1956-06-08 FR FR1167905D patent/FR1167905A/fr not_active Expired
- 1956-06-08 GB GB17729/56A patent/GB827386A/en not_active Expired
- 1956-06-09 DE DEG19809A patent/DE1056134B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL94270C (de) | |
| DE1056134B (de) | 1959-04-30 |
| US2808411A (en) | 1957-10-01 |
| LU34417A1 (de) | |
| BE548512A (de) | |
| GB827386A (en) | 1960-02-03 |
| FR1167905A (fr) | 1958-12-03 |
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