CH532582A - Verfahren zur Herstellung von 1,2-Diphenyl-3,5-dioxopyrazolidinen - Google Patents
Verfahren zur Herstellung von 1,2-Diphenyl-3,5-dioxopyrazolidinenInfo
- Publication number
- CH532582A CH532582A CH1846269A CH1846269A CH532582A CH 532582 A CH532582 A CH 532582A CH 1846269 A CH1846269 A CH 1846269A CH 1846269 A CH1846269 A CH 1846269A CH 532582 A CH532582 A CH 532582A
- Authority
- CH
- Switzerland
- Prior art keywords
- dioxopyrazolidines
- diphenyl
- preparation
- Prior art date
Links
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C243/00—Compounds containing chains of nitrogen atoms singly-bound to each other, e.g. hydrazines, triazanes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C321/00—Thiols, sulfides, hydropolysulfides or polysulfides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681814649 DE1814649A1 (de) | 1968-12-13 | 1968-12-13 | Verfahren zur Herstellung von 1,2-Diphenyl-3,5-dioxopyrazolidin und dessen Substitutionsprodukten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH532582A true CH532582A (de) | 1973-01-15 |
Family
ID=5716195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1846269A CH532582A (de) | 1968-12-13 | 1969-12-11 | Verfahren zur Herstellung von 1,2-Diphenyl-3,5-dioxopyrazolidinen |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE742589A (de) |
| CH (1) | CH532582A (de) |
| DE (1) | DE1814649A1 (de) |
| FR (1) | FR2026129A1 (de) |
| NL (1) | NL6918657A (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113929625A (zh) * | 2021-10-14 | 2022-01-14 | 诚达药业股份有限公司 | 一种磺吡酮的制备方法 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1374641A (en) * | 1971-04-21 | 1974-11-20 | Richardson Merrell Spa | Phosphate ester derivatives containing a pyrazolidinyl ring |
-
1968
- 1968-12-13 DE DE19681814649 patent/DE1814649A1/de active Pending
-
1969
- 1969-12-03 BE BE742589D patent/BE742589A/xx unknown
- 1969-12-11 CH CH1846269A patent/CH532582A/de not_active IP Right Cessation
- 1969-12-12 NL NL6918657A patent/NL6918657A/xx unknown
- 1969-12-12 FR FR6943257A patent/FR2026129A1/fr not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113929625A (zh) * | 2021-10-14 | 2022-01-14 | 诚达药业股份有限公司 | 一种磺吡酮的制备方法 |
| CN113929625B (zh) * | 2021-10-14 | 2022-11-29 | 诚达药业股份有限公司 | 一种磺吡酮的制备方法 |
| WO2023060856A1 (zh) * | 2021-10-14 | 2023-04-20 | 诚达药业股份有限公司 | 一种磺吡酮的制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| BE742589A (de) | 1970-05-14 |
| FR2026129A1 (en) | 1970-09-11 |
| DE1814649A1 (de) | 1970-06-25 |
| NL6918657A (de) | 1970-06-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |