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.: OUR EXPERTISE IN MACROLIDE CHEMISTRY
 
This includes:
6-O-methylation of Erythromycin thiocyanate to give Clarithromycin.
Ring Expansion of to yield Azithromycin
9-N-O-proteinion of Erythromycin thiocyanate to yield Roxithromycin.
 
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Ketolides:
Alembic has plans to introduce the 3 and/or 11-Oxo derivatives of Erythromycin A.
We have also manufactured the following derivatives through various chemistries:
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Roxithromycin related Substances:
Erythromycin E Oxime-HCL N-demethyl Roxithromycin
Decladinosyl Roxithromycin Roxithromycin B
Roxithromycin - 10(z) Erythromycin 10-(E)-[O-[[(2-methoxyethoxy)methoxy]methyl]oxime]
Roxithromycin C 2-O-[(2-methoxyethoxy)methyl erythromycin 10-(E)-[O-[[2-methoxy ethoxy)methoxy]methyl]oxime].
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Clarithromycin related substances:
Clarithromycin-9-Oxime 15-nor-clarithromycin
N-demethyl Clarithromycin 6-O-methyl Clarithromycin 9-O-methyl Oxime
6-11,di-O-methyl Clarithromycin N-demethyl-N-formyl clarithromycin
6-12,di-O-methyl Clarithromycin  
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 Azithromycin Related Substances:
Erythromycin Iminoether Decladinosyl Azithromycin
Azaerythromycin N-methyl Azithromycin
Azaerythromycin B  
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