CH351608A - Verfahren zur Herstellung von neuen 3,5-Diketo-pyrazolidinen - Google Patents
Verfahren zur Herstellung von neuen 3,5-Diketo-pyrazolidinenInfo
- Publication number
- CH351608A CH351608A CH351608DA CH351608A CH 351608 A CH351608 A CH 351608A CH 351608D A CH351608D A CH 351608DA CH 351608 A CH351608 A CH 351608A
- Authority
- CH
- Switzerland
- Prior art keywords
- diketopyrazolidines
- preparation
- new
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings 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
- C07D211/36—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings 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 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
- C07D211/56—Nitrogen atoms
- C07D211/58—Nitrogen atoms attached in position 4
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Hydrogenated Pyridines (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH843688X | 1956-01-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH351608A true CH351608A (de) | 1961-01-31 |
Family
ID=4541571
Family Applications (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH351608D CH351608A (de) | 1956-01-07 | 1956-01-07 | Verfahren zur Herstellung von neuen 3,5-Diketo-pyrazolidinen |
| CH347194D CH347194A (de) | 1956-01-07 | 1956-09-27 | Verfahren zur Herstellung von neuen in 2-Stellung acylierten 3,5-Diketo-pyrazolidinen |
| CH347195D CH347195A (de) | 1956-01-07 | 1956-09-27 | Verfahren zur Herstellung von neuen 3,5-Diketo-pyrazolidinen |
| CH348706D CH348706A (de) | 1956-01-07 | 1956-11-22 | Verfahren zur Herstellung von neuen 3,5-Diketo-pyrazolidinen |
| CH348707D CH348707A (de) | 1956-01-07 | 1956-11-28 | Verfahren zur Herstellung von neuen in 2-Stellung acetylierten 3,5-Diketo-pyrazolidinen |
| CH4007156A CH372059A (de) | 1956-01-07 | 1956-11-28 | Verfahren zur Herstellung von neuen 3,5-Diketopyrazolidinen |
Family Applications After (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH347194D CH347194A (de) | 1956-01-07 | 1956-09-27 | Verfahren zur Herstellung von neuen in 2-Stellung acylierten 3,5-Diketo-pyrazolidinen |
| CH347195D CH347195A (de) | 1956-01-07 | 1956-09-27 | Verfahren zur Herstellung von neuen 3,5-Diketo-pyrazolidinen |
| CH348706D CH348706A (de) | 1956-01-07 | 1956-11-22 | Verfahren zur Herstellung von neuen 3,5-Diketo-pyrazolidinen |
| CH348707D CH348707A (de) | 1956-01-07 | 1956-11-28 | Verfahren zur Herstellung von neuen in 2-Stellung acetylierten 3,5-Diketo-pyrazolidinen |
| CH4007156A CH372059A (de) | 1956-01-07 | 1956-11-28 | Verfahren zur Herstellung von neuen 3,5-Diketopyrazolidinen |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2865922A (de) |
| BE (1) | BE553993A (de) |
| CH (6) | CH351608A (de) |
| DE (1) | DE1063170B (de) |
| FR (1) | FR1167110A (de) |
| GB (2) | GB843688A (de) |
| NL (1) | NL99922C (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2959593A (en) * | 1958-06-19 | 1960-11-08 | Sandoz Ltd | 3, 5-dioxo-pyrazolidines |
| US3149115A (en) * | 1962-11-02 | 1964-09-15 | American Cyanamid Co | Pyrazolinones and method of preparing the same |
-
0
- NL NL99922D patent/NL99922C/xx active
- BE BE553993D patent/BE553993A/xx unknown
-
1956
- 1956-01-07 CH CH351608D patent/CH351608A/de unknown
- 1956-09-27 CH CH347194D patent/CH347194A/de unknown
- 1956-09-27 CH CH347195D patent/CH347195A/de unknown
- 1956-11-22 CH CH348706D patent/CH348706A/de unknown
- 1956-11-28 CH CH348707D patent/CH348707A/de unknown
- 1956-11-28 CH CH4007156A patent/CH372059A/de unknown
- 1956-12-24 GB GB39204/56A patent/GB843688A/en not_active Expired
- 1956-12-24 GB GB39205/56A patent/GB843689A/en not_active Expired
- 1956-12-29 DE DES51789A patent/DE1063170B/de active Pending
-
1957
- 1957-01-02 US US632022A patent/US2865922A/en not_active Expired - Lifetime
- 1957-01-07 FR FR1167110D patent/FR1167110A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH348706A (de) | 1960-09-15 |
| CH348707A (de) | 1960-09-15 |
| CH372059A (de) | 1963-09-30 |
| US2865922A (en) | 1958-12-23 |
| CH347195A (de) | 1960-06-30 |
| DE1063170B (de) | 1959-08-13 |
| FR1167110A (fr) | 1958-11-20 |
| CH347194A (de) | 1960-06-30 |
| GB843688A (en) | 1960-08-10 |
| GB843689A (en) | 1960-08-10 |
| NL99922C (de) | |
| BE553993A (de) |
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