(2R,3S,7R,9S,10S,11R)-10-[(2S,3R,4S,6R)-4-dimethylamino-3-hydroxy-6-me thyl-oxan-2-yl]oxy-2-ethyl-3-

Name	(2R,3S,7R,9S,10S,11R)-10-[(2S,3R,4S,6R)-4-dimethylamino-3-hydroxy-6-me thyl-oxan-2-yl]oxy-2-ethyl-3-hydroxy-3,7,9,11-tetramethyl-1-oxacyclodo dec-4-ene-6,12-dione
Synonyms	methymycin (2R,3S,7R,9S,10S,11R)-10-[(2S,3R,4S,6R)-4-dimethylamino-3-hydroxy-6-me thyl-oxan-2-yl]oxy-2-ethyl-3- (2R,3S,7R,9S,10S,11R)-10-[(2S,3R,4S,6R)-4-dimethylamino-3-hydroxy-6-me thyl-oxan-2-yl]oxy-2-ethyl-3-hydroxy-3,7,9,11-tetramethyl-1-oxacyclodo dec-4-ene-6,12-dione Oxacyclododec-9-ene-2,8-dione, 12-ethyl-11-hydroxy-3,5,7,11-tetramethyl-4-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]-, (3R,4S,5S,7R,9E,11S,12R)-
CAS	497-72-3

Molecular Formula	C25H43NO7
Molar Mass	469.61
Melting Point	195.5-197°
Specific Rotation(α)	D22 +61° (c = 0.7 in methanol), +74° (c = 1.1 in chloroform)
pKa	pKb 5.7(at 25℃)

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