RO79528B1 - Procedeu de obtinere a meticilinei - Google Patents

Procedeu de obtinere a meticilinei

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Publication number
RO79528B1
RO79528B1 RO100956A RO10095680A RO79528B1 RO 79528 B1 RO79528 B1 RO 79528B1 RO 100956 A RO100956 A RO 100956A RO 10095680 A RO10095680 A RO 10095680A RO 79528 B1 RO79528 B1 RO 79528B1
Authority
RO
Romania
Prior art keywords
methicillin
acid
chloride
methylene chloride
chlorination
Prior art date
Application number
RO100956A
Other languages
English (en)
Other versions
RO79528A2 (ro
Inventor
Eugen Diaconu
Minodor Cojocaru
Stefan Luca
Constantin Budisteanu
Csaba Csergo
Rada Danet
Nicolae Ghiurco
Victorita Mihalache
Original Assignee
Institutul De Cercetari Chimico-Farmaceutice
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
Application filed by Institutul De Cercetari Chimico-Farmaceutice filed Critical Institutul De Cercetari Chimico-Farmaceutice
Priority to RO80100956A priority Critical patent/RO79528A2/ro
Publication of RO79528B1 publication Critical patent/RO79528B1/ro
Publication of RO79528A2 publication Critical patent/RO79528A2/ro

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  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Procedeu de obtinere a meticilinei prin clorurarea acidului 2,6-dimetoxibenzoic si tratarea cu acid 6-aminopenocilinic, caracterizat prin aceea ca realizeaza clorurarea acidului 2,6-dimetoxibenzoic într-un amestec firmat dintr-un solvent organic potrivit, de preferinta hidrocarburi halogenate cu 1...2 atomi de carbon, ca, de exemplu, clorura de metilen, cloroform si dicloretan cu clorurua de tionil, la temperatura de 10...20 degree C, îndepartarea excesului de clorura de tionil prin distilare si dizolvarea clorurii acide rezultate într-o hidrocarbura alifatica halogentaa, ca, de exemplu, cloroform, clorura de metilen, dicloretan, de preferinta clorura de metilen, dupa acilarea acidului 6-aminopenicilanic cu clorura acidului 2,6-dimetoxibenzoic obtinuta, se efectueaza extractia acida a meticilinei la pH= 1,3...1,7 si apoi precipitarea meticilinei prin adaugarea, în proportie de 60% fata de volum organic, a unui amestec format din 3/5 acetat de butil si 2/5 acetona, dupa care se realizeaza precipitarea meticilinei sub forma de sare de sodiu prin tratarea cu solutie de 2-etilhexanoat de sodiu în izopropanol cu concentratie de 35%.
RO80100956A 1980-04-26 1980-04-26 Procedeu de obtinere a meticilinei RO79528A2 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO80100956A RO79528A2 (ro) 1980-04-26 1980-04-26 Procedeu de obtinere a meticilinei

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO80100956A RO79528A2 (ro) 1980-04-26 1980-04-26 Procedeu de obtinere a meticilinei

Publications (2)

Publication Number Publication Date
RO79528B1 true RO79528B1 (ro) 1983-06-30
RO79528A2 RO79528A2 (ro) 1983-07-07

Family

ID=20108426

Family Applications (1)

Application Number Title Priority Date Filing Date
RO80100956A RO79528A2 (ro) 1980-04-26 1980-04-26 Procedeu de obtinere a meticilinei

Country Status (1)

Country Link
RO (1) RO79528A2 (ro)

Also Published As

Publication number Publication date
RO79528A2 (ro) 1983-07-07

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