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-izomer

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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
Application number
MD94-0278A
Other languages
English (en)
Russian (ru)
Other versions
MD248B1 (ro
Inventor
Rene Heymes
Andre Lutz
Original Assignee
Roussel Uclaf, Societe Anonyme
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from FR7608690A external-priority patent/FR2345153A1/fr
Application filed by Roussel Uclaf, Societe Anonyme filed Critical Roussel Uclaf, Societe Anonyme
Publication of MD248B1 publication Critical patent/MD248B1/ro
Publication of MD248C2 publication Critical patent/MD248C2/ro

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  • 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.
MD94-0278A 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 MD248C2 (ro)

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

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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)

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MD (1) MD248C2 (ro)

Citations (1)

* Cited by examiner, † Cited by third party
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
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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