GB778309A - 4-o.o-diphenyl-phosphorylamido-pyrazolones - Google Patents
4-o.o-diphenyl-phosphorylamido-pyrazolonesInfo
- Publication number
- GB778309A GB778309A GB32909/54A GB3290954A GB778309A GB 778309 A GB778309 A GB 778309A GB 32909/54 A GB32909/54 A GB 32909/54A GB 3290954 A GB3290954 A GB 3290954A GB 778309 A GB778309 A GB 778309A
- Authority
- GB
- United Kingdom
- Prior art keywords
- diphenyl
- phosphorylamido
- pyrazolones
- dimethyl
- phenyl
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic System
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/645—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having two nitrogen atoms as the only ring hetero atoms
- C07F9/6503—Five-membered rings
- C07F9/65031—Five-membered rings having the nitrogen atoms in the positions 1 and 2
Abstract
The invention comprises 1-phenyl-2:3-dimethyl - 4 - O:O - diphenyl phosphorylamidopyrazolone and its preparation by treating 1-phenyl - 2: 3 - dimethyl - 4 - amino - pyrazolone with a diphenyl halogenophosphate. The reaction is preferably carried out in a solvent such as benzene and in the presence of a hydrogenhalide binding agent such as triethylamine.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE541421D BE541421A (en) | 1954-10-26 | ||
FR678495A FR1259960A (en) | 1954-10-26 | 1954-10-26 | New derivatives of the 4-amino antipyrine |
GB32909/54A GB778309A (en) | 1954-11-12 | 1954-11-12 | 4-o.o-diphenyl-phosphorylamido-pyrazolones |
US540340A US2744912A (en) | 1954-10-26 | 1955-10-13 | 4-o. o-diphenylphosphonylamino-antipyrin and process for its production |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB32909/54A GB778309A (en) | 1954-11-12 | 1954-11-12 | 4-o.o-diphenyl-phosphorylamido-pyrazolones |
Publications (1)
Publication Number | Publication Date |
---|---|
GB778309A true GB778309A (en) | 1957-07-03 |
Family
ID=10345816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB32909/54A Expired GB778309A (en) | 1954-10-26 | 1954-11-12 | 4-o.o-diphenyl-phosphorylamido-pyrazolones |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB778309A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11084807B2 (en) | 2016-08-18 | 2021-08-10 | Vidac Pharama Ltd. | Piperazine derivatives, pharmaceutical compositions and methods of use thereof |
-
1954
- 1954-11-12 GB GB32909/54A patent/GB778309A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11084807B2 (en) | 2016-08-18 | 2021-08-10 | Vidac Pharama Ltd. | Piperazine derivatives, pharmaceutical compositions and methods of use thereof |
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