C - Chemistry – Metallurgy – 07 – H
Patent
C - Chemistry, Metallurgy
07
H
260/230.3
C07H 17/08 (2006.01)
Patent
CA 1144543
SALTS OF ERYTHROMYCIN A ESTERS Abstract of the Disclosure Highly water-soluble erythromycin A derivatives wherein the desosamine moiety is quaternized with an acyloxy-, benzoyloxy- or alkoxycarbonyl-(or carboxy)-acyl- methyl iodide, bromine or chloride and esterified in the 2- position with loweralkyl or -(CH2)nCO2R", wherein R" is H, loweralkyl or substituted loweralkyl and n is an integer from 1-5. These new esters readily convert to erythromycin A upon administration to warm-blooded animals.
366890
Bodor Nicholas S.
Freiberg Leslie A.
Abbott Laboratories
Macrae & Co.
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