Roxithromycin

 

Roxithromycin

[DEFINITION]: (3R,4S,5S,6R,7R,9R,11S,12R,13S,14) -4-[(2,6,-Dideoxy-3-C-L-ribo-hexopyranosyl) oxy]-14-ethyl-7,12,methyl-3-O-methyl- alpha-13-trihydroxy-10-[(E)-[(2-methoxyethoxy)methoxy]imino]-3,5,7,9,11,13,-hetamethyl-6-[[3,4,6-tr-deoxy-3-(dimethylamino)-D-xylo-hexopyranosyl]oxy]oxacyclotetradecan-2-one(erythromycin9-CE)-[0-[(2-methoxyethoxy)methyl]oxime]).

[CHARACTERS]:Appearace: white,crystalline powder.

Solubilily: very slightly soluble in water,freely soluble in acetone,in alcohol and in methylene chloride.It is slightly soluble in dilute hydrochloric acid. It shows polymorphism.

[FUNCTION]:



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