RO67533B - Procedeu pentru prepararea unor derivati de 3-triaziniltiometilcefalosporina - Google Patents
Procedeu pentru prepararea unor derivati de 3-triaziniltiometilcefalosporinaInfo
- Publication number
- RO67533B RO67533B RO82974A RO8297475A RO67533B RO 67533 B RO67533 B RO 67533B RO 82974 A RO82974 A RO 82974A RO 8297475 A RO8297475 A RO 8297475A RO 67533 B RO67533 B RO 67533B
- Authority
- RO
- Romania
- Prior art keywords
- general formula
- derivatives
- triazinylthio
- acetyl
- triazinylthiomethylcephalosporine
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- -1 alpha- (t- butyloxycarbonylamino) -phenylacetyl Chemical group 0.000 abstract 2
- 229930186147 Cephalosporin Natural products 0.000 abstract 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 abstract 1
- 239000012736 aqueous medium Substances 0.000 abstract 1
- 229940124587 cephalosporin Drugs 0.000 abstract 1
- 150000001780 cephalosporins Chemical class 0.000 abstract 1
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 239000000376 reactant Substances 0.000 abstract 1
- 125000001544 thienyl group Chemical group 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D501/00—Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
- C07D501/14—Compounds having a nitrogen atom directly attached in position 7
- C07D501/16—Compounds having a nitrogen atom directly attached in position 7 with a double bond between positions 2 and 3
- C07D501/20—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids
- C07D501/24—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with hydrocarbon radicals, substituted by hetero atoms or hetero rings, attached in position 3
- C07D501/36—Methylene radicals, substituted by sulfur atoms
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cephalosporin Compounds (AREA)
Abstract
Procedeu pentru prepararea unor derivati de 3-triaziniltio-metilcefalosporina cu formula generala I : (vezi formula în desc.) în care R1 reprezinta hidrogen sau o grupa alchil C1......C4 si R este formil, alfa -(t-butoxicarbonilamino)-fenilacetil, tienil, acetil, mandeoil, tetrazolil-acetil sau 2,5-diclorfeniltioacetil, caracterizat prin aceea ca o 3-acetoximetilcefalosporina cu formula generala II: (vezi form. în desc.) în care R are semnificatiile de mai sus se trateaza cu un triaziniltio-derivat cu formula generala III: (vezi form. în desc.) în care R1 are semnificatiile de mai sus, la o temperatura de 55....65 degree C, la presiune atmosferica, la pH 5,0....8,0 în mediu apos si la un raport molar între reactanti de 1 : 1 pîna la 1 :1,2.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US49414874A | 1974-08-02 | 1974-08-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO67533A RO67533A (ro) | 1984-03-15 |
| RO67533B true RO67533B (ro) | 1984-03-30 |
Family
ID=23963242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO82974A RO67533B (ro) | 1974-08-02 | 1975-07-25 | Procedeu pentru prepararea unor derivati de 3-triaziniltiometilcefalosporina |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE831787A (ro) |
| ES (1) | ES439989A1 (ro) |
| RO (1) | RO67533B (ro) |
| ZA (1) | ZA754959B (ro) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4178443A (en) | 1977-06-03 | 1979-12-11 | Hoffmann-La Roche Inc. | Derivatives of 7 [-substituted oxyimins acetamido] cephalosporins |
| US4200745A (en) | 1977-12-20 | 1980-04-29 | Eli Lilly And Company | 7[2-(2-Aminothiazol-4-yl)-2-alkoxyimino]acetamido 3[4-alkyl-5-oxo-6-hydroxy-3,4 dihydro 1,2,4-triazin 3-yl]thio methyl cephalosporins |
-
1975
- 1975-07-25 RO RO82974A patent/RO67533B/ro unknown
- 1975-07-28 BE BE1006803A patent/BE831787A/fr not_active IP Right Cessation
- 1975-07-31 ZA ZA754959A patent/ZA754959B/xx unknown
- 1975-08-02 ES ES439989A patent/ES439989A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| RO67533A (ro) | 1984-03-15 |
| BE831787A (fr) | 1976-01-28 |
| AU8338875A (en) | 1977-12-16 |
| ZA754959B (en) | 1977-03-30 |
| ES439989A1 (es) | 1977-05-16 |
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