BE541421A - - Google Patents
Info
- Publication number
- BE541421A BE541421A BE541421DA BE541421A BE 541421 A BE541421 A BE 541421A BE 541421D A BE541421D A BE 541421DA BE 541421 A BE541421 A BE 541421A
- Authority
- BE
- Belgium
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 Table
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR678495A FR1259960A (fr) | 1954-10-26 | 1954-10-26 | Nouveaux dérivés de l'amino-4 antipyrine |
GB32909/54A GB778309A (en) | 1954-11-12 | 1954-11-12 | 4-o.o-diphenyl-phosphorylamido-pyrazolones |
Publications (1)
Publication Number | Publication Date |
---|---|
BE541421A true BE541421A (de) | 1900-01-01 |
Family
ID=26182947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE541421D BE541421A (de) | 1954-10-26 |
Country Status (3)
Country | Link |
---|---|
US (1) | US2744912A (de) |
BE (1) | BE541421A (de) |
FR (1) | FR1259960A (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2844510A (en) * | 1956-12-04 | 1958-07-22 | Schenley Ind Inc | Phosphoric acid derivatives of 1-phenyl-2, 3-dimethyl-4-amino-5-pyrazolone |
DE1152109B (de) * | 1959-05-27 | 1963-08-01 | Knoll Ag | Verfahren zur Herstellung von primaeren Orthophosphorsaeureestern von 3-(2-Oxyphenyl)-pyrazolen |
US4563449A (en) * | 1982-07-19 | 1986-01-07 | Fujisawa Pharmaceutical Co., Ltd. | Cephem compounds |
-
0
- BE BE541421D patent/BE541421A/xx unknown
-
1954
- 1954-10-26 FR FR678495A patent/FR1259960A/fr not_active Expired
-
1955
- 1955-10-13 US US540340A patent/US2744912A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US2744912A (en) | 1956-05-08 |
FR1259960A (fr) | 1961-05-05 |