MD248C2 - Procedeu de obţinere a derivaţilor acidului 7-[2-(2-aminotiazolil-4)-2-alcoxiiminoacetamido]-3-tiometil-3-cefem-4-carbonic sub formă de sin-izomer - Google Patents
Procedeu de obţinere a derivaţilor acidului 7-[2-(2-aminotiazolil-4)-2-alcoxiiminoacetamido]-3-tiometil-3-cefem-4-carbonic sub formă de sin-izomerInfo
- Publication number
- MD248C2 MD248C2 MD94-0278A MD940278A MD248C2 MD 248 C2 MD248 C2 MD 248C2 MD 940278 A MD940278 A MD 940278A MD 248 C2 MD248 C2 MD 248C2
- Authority
- MD
- Moldova
- Prior art keywords
- derivatives
- aminothiarolyl
- alkoxyiminoacetamido
- cefem
- thiomethyl
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 229910052783 alkali metal Inorganic materials 0.000 abstract 2
- 150000001340 alkali metals Chemical class 0.000 abstract 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 238000005903 acid hydrolysis reaction Methods 0.000 abstract 1
- 239000003242 anti bacterial agent Substances 0.000 abstract 1
- 229940088710 antibiotic agent Drugs 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000012467 final product Substances 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 230000003993 interaction Effects 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
Landscapes
- Cephalosporin Compounds (AREA)
Abstract
Invenţia se referă la un procedeu de obţinere a unor noi antibiotice din grupa cefalosporinelor, şi anume a derivaţilor acidului 7-[2-(2-aminotiazolil-4)-2-alcoxiiminoacetamido]-3-tiometil-3-cefem-4-carbonic cu formula generală I:sub formă de sin-izomeri, în care A reprezintă atom de hidrogen sau metal alcalin; R1 reprezintă acetil, 2-metil-1,3,4-tiadiazolil sau 1-metiltetrazolil; R2 reprezintă C1-C4 alchil.Sarcina invenţiei constă în sinteza unor noi derivaţi ai cefalosporinei, ce extind arsenalul remediilor de acţiune asupra organismului viu.Procedeul se realizează prin tratarea compusului cu formula II:în care R2 are valorile sus-menţionate şi R3 reprezintă atom de hidrogen sau grupa de protecţie, aşa ca tritilul, cu compusul cu formula III:R1 - SH (III)în care R1 are valorile sus-menţionate. Produsul rezultat, în mod opţional, se tratează cu un agent al hidrolizei acide. Produsul cu destinaţie specială se separă sub formă de acid liber sau sare de metal alcalin.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7608690A FR2345153A1 (fr) | 1976-03-25 | 1976-03-25 | Nouvelles alcoyloximes derivees de l'acide 7-amino thiazolyl acetamido cephalosporanique, leur procede de preparation et leur application comme medicaments |
| SU772462904A SU791246A3 (ru) | 1976-03-25 | 1977-03-23 | Способ получени производных 7-/2-(2аминотиазолил-4)-2-алкоксииминоацетамидо/-3-цефем-4-карбоновой кислоты |
| SU782584103A SU795482A3 (ru) | 1976-03-25 | 1978-02-27 | Способ получени производных7-/2-(2-АМиНОТиАзОлил-4)-2-АлКОКСи-иМиНОАцЕТАМидО/-3-ТиОМЕТил-3-цЕфЕМ- 4-КАРбОНОВОй КиСлОТы B ВидЕ СиН- изОМЕРОВ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| MD248B1 MD248B1 (ro) | 1995-07-31 |
| MD248C2 true MD248C2 (ro) | 1995-12-31 |
Family
ID=27250604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MD94-0278A MD248C2 (ro) | 1976-03-25 | 1994-09-08 | Procedeu de obţinere a derivaţilor acidului 7-[2-(2-aminotiazolil-4)-2-alcoxiiminoacetamido]-3-tiometil-3-cefem-4-carbonic sub formă de sin-izomer |
Country Status (1)
| Country | Link |
|---|---|
| MD (1) | MD248C2 (ro) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3941781A (en) * | 1971-12-23 | 1976-03-02 | Eli Lilly And Company | Preparation of 3-alkylthiomethyl cephalosporins |
-
1994
- 1994-09-08 MD MD94-0278A patent/MD248C2/ro unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3941781A (en) * | 1971-12-23 | 1976-03-02 | Eli Lilly And Company | Preparation of 3-alkylthiomethyl cephalosporins |
Also Published As
| Publication number | Publication date |
|---|---|
| MD248B1 (ro) | 1995-07-31 |
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