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Panthox & Burck SpA
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Panthox & Burck SpA
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Publication of ES394044A1publicationCriticalpatent/ES394044A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Procedure for the preparation of 6-deoxytetracycline; char due to the fact that it is treated firstly for a space of approx. Two hours a teracicline (1 mole) optionally in dimethylformamide solution, previously cooled (-30) + (-10º c) with dimethylformamide N-chlorochlorosulfite (1-7 moles) obtaining a 6-deoxy-6-mono-chlorotetracycline, in hydrochloride form, which is separated and purified in the known manner, and successively the 6-dioxy-6-mono-chlorotetracycline is subjected to deogenation with chlorosteacid in a polar solvent or anhydrous medium, heated from room temperature to 50º c. The solvent used, so as to obtain the formation of 6-deoxytetracycline which is successively isolated and purified in the known manner. (Machine-translation by Google Translate, not legally binding)
ES394044A1971-06-071971-08-09Procedure for the preparation of 6-deoxitetraciclina. (Machine-translation by Google Translate, not legally binding)
ExpiredES394044A1
(en)