C - Chemistry – Metallurgy – 07 – H
Patent
C - Chemistry, Metallurgy
07
H
C07H 17/08 (2006.01) A61K 31/7048 (2006.01) A61P 31/04 (2006.01)
Patent
CA 2309255
Disclosed is an improved and efficient process for N-desmethylating the 3'- amino nitrogen of erythromycins and for converting the 3'-N-desmethylated erythromycins into 3'-N-substituted derivatives of 8,9- anhydro-erythromycin 6,9-hemiketals.
L'invention concerne un procédé amélioré et efficace pour la N-desméthylation du 3'-amino azote dans les érythromycines, et pour la conversion des érythromycines 3'-N-desméthylées en dérivés 3'-N-substitués de 8,9-anhydro-érythromycine 6,9 hémicétals.
Copp Richard R. Jr.
Dong Xiaoxing
Gupta Ashok K.
Hengeveld John E.
Premchandran Ramiya H.
Abbott Laboratories
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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