GB844001A - Process for preparing 3:5-diketo-pyrazolidine derivatives - Google Patents
Process for preparing 3:5-diketo-pyrazolidine derivativesInfo
- Publication number
- GB844001A GB844001A GB19522/58A GB1952258A GB844001A GB 844001 A GB844001 A GB 844001A GB 19522/58 A GB19522/58 A GB 19522/58A GB 1952258 A GB1952258 A GB 1952258A GB 844001 A GB844001 A GB 844001A
- Authority
- GB
- United Kingdom
- Prior art keywords
- diketo
- preparing
- pyrazolidine derivatives
- phosgene
- general formula
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract 2
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 abstract 2
- 125000000217 alkyl group Chemical group 0.000 abstract 1
- 125000003118 aryl group Chemical group 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000012442 inert solvent Substances 0.000 abstract 1
- 150000003388 sodium compounds Chemical class 0.000 abstract 1
- UJTRRNALUYKHQE-UHFFFAOYSA-N sodium;diphenylmethylbenzene Chemical compound [Na+].C1=CC=CC=C1[C-](C=1C=CC=CC=1)C1=CC=CC=C1 UJTRRNALUYKHQE-UHFFFAOYSA-N 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 239000007858 starting material Substances 0.000 abstract 1
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
- C07D401/04—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 directly linked by a ring-member-to-ring-member bond
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Hydrogenated Pyridines (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH844001X | 1957-07-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB844001A true GB844001A (en) | 1960-08-10 |
Family
ID=4541617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB19522/58A Expired GB844001A (en) | 1957-07-24 | 1958-06-18 | Process for preparing 3:5-diketo-pyrazolidine derivatives |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE568525A (enrdf_load_stackoverflow) |
| CH (1) | CH355152A (enrdf_load_stackoverflow) |
| DE (1) | DE1090670B (enrdf_load_stackoverflow) |
| GB (1) | GB844001A (enrdf_load_stackoverflow) |
-
0
- BE BE568525D patent/BE568525A/xx unknown
-
1957
- 1957-07-24 CH CH355152D patent/CH355152A/de unknown
- 1957-11-11 DE DES55834A patent/DE1090670B/de active Pending
-
1958
- 1958-06-18 GB GB19522/58A patent/GB844001A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE568525A (enrdf_load_stackoverflow) | |
| DE1090670B (de) | 1960-10-13 |
| CH355152A (de) | 1961-06-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SE7909017L (sv) | Sett att framstella 1,2,3-tiadiazol-5-yl-karbamider | |
| GB844001A (en) | Process for preparing 3:5-diketo-pyrazolidine derivatives | |
| JPS52264A (en) | Process for preparing novel isoxazole derivatives | |
| GB688354A (en) | Improvements relating to compounds of the benzhydryl ether type | |
| GB1067627A (en) | 3-(ªamino-ª-hydroxypropyl)-4-alkyl-7-hydroxy-coumarin derivatives and process for their production | |
| GB936366A (en) | Methylsulphonyl-phenyl compounds | |
| GB1049769A (en) | Organic compounds containing an isocyclic and a heterocyclic non-aromatic ring and aprocess for the production of these compounds | |
| GB1078724A (en) | Improvements in the production of pregnane derivatives | |
| GB824625A (en) | Substituted trioxohexahydropyridazines and process for their preparation | |
| GB1067695A (en) | 2-alkyl-4-alkylamino-6-alkoxy-s-triazines | |
| CA528444A (en) | Process for the manufacture of derivatives of 4:4'-diaminostilbene-2:2'-disulphonic acid | |
| GB1064524A (en) | Process for preparing new isophthalic acid derivatives | |
| GB762720A (en) | Novel morpholinomethyl-phenyl derivatives and the manufacture thereof | |
| GB845586A (en) | Improvements in or relating to indoline compounds | |
| ES458784A1 (es) | Un procedimiento para preparar un derivado de tiofeno o de furano. | |
| AU215892B2 (en) | Process of preparing diazoamino compounds | |
| CA530861A (en) | Process for the manufacture of novel oxazoline derivatives | |
| CA530865A (en) | Process for the manufacture of novel oxazoline derivatives | |
| AT198758B (de) | Verfahren zur Herstellung von neuen, in 9-Stellung durch N-alkylierte Piperidin-Derivate substituierten Carbazol-Verbindungen | |
| CA533457A (en) | Process for the manufacture of novel derivatives of tropic acid | |
| GB919434A (en) | New steroid compounds, and processes for their preparation | |
| FR2083942A5 (en) | Perfluoroperoxy hypochlorites prepn | |
| CA522955A (en) | Electrolytic process for making alkyl peroxidic compounds | |
| GB907803A (en) | 2-3, 3-4-diseco yohimbane derivatives and their preparation | |
| FI34939A (fi) | Menetelmä polyglykolieetterijohdannaisten valmistamiseksi |