Analogifremgangsmåde til fremstilling af L-asparaginat af cyklisk erythromycin A 11,12-carbonat

1443097 L-Aspartate of cyclic erythromycin A 6,9-hemiacetal carbonate INSTYTUT PRZEMYSLU FARMACEUTYCZNEGO 22 July 1974 [28 July 1973] 32396/74 Heading C2C The novel antibiotic, the L-aspartate of cyclic erythromycin A 6,9-hemiacetal carbonate is obtained, optionally as the monohydrate, by reacting s...

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HALINA DAHLIG
description 1443097 L-Aspartate of cyclic erythromycin A 6,9-hemiacetal carbonate INSTYTUT PRZEMYSLU FARMACEUTYCZNEGO 22 July 1974 [28 July 1973] 32396/74 Heading C2C The novel antibiotic, the L-aspartate of cyclic erythromycin A 6,9-hemiacetal carbonate is obtained, optionally as the monohydrate, by reacting substantially stoichiometric proportions of the cyclic carbonate of erythromycin A 6,9-hemiacetal and L-aspartic acid in an aqueous medium (e.g. H 2 O, H 2 O/acetone, H 2 O/ethanol). To isolate the product, the resulting solution may be lyophilized or evaporated with, if necessary, addition of a liquid which forms a binary or ternary azeotropic mixture therewith.
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subjects ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
DERIVATIVES THEREOF
HETEROCYCLIC COMPOUNDS
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
NUCLEIC ACIDS
NUCLEOSIDES
NUCLEOTIDES
ORGANIC CHEMISTRY
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
SUGARS
title Analogifremgangsmåde til fremstilling af L-asparaginat af cyklisk erythromycin A 11,12-carbonat
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