ANHYDROERYTHROMYCIN A

ANHYDROERYTHROMYCIN A Basic information
Product Name:ANHYDROERYTHROMYCIN A
Synonyms:Erythromycin EP Impurity D/Anhydroerythromycin A/(1S,2R,3R,4S,5R,8R,9S,10S,11R,12R,14R)-9- [(2,6-dideoxy-3-C-methyl-3-O-methyl-α-Lribo-hexopyranosyl)oxy]-5-ethyl-3-hydroxy- 2,4,8,10,12,14-hexamethyl-11-[[3,4,6-trideoxy-3- (dimethylamino)-β-D-xylo-hexopyra;6,9,12-Anhydroerythromycin A;9-Deoxo-6,12-dideoxy-6,9:9,12-diepoxy-erythromycin;Anhydroerythromycin;BRL 46355ER;EM 202;Erythromycin Anhydride, Impurity D;ANHYDROERYTHROMYCIN A
CAS:23893-13-2
MF:C37H65NO12
MW:715.91
EINECS:
Product Categories:Intermediates & Fine Chemicals;Pharmaceuticals
Mol File:23893-13-2.mol
ANHYDROERYTHROMYCIN A Structure
ANHYDROERYTHROMYCIN A Chemical Properties
Melting point 125-127°C
Boiling point 787.2±60.0 °C(Predicted)
density 1.21±0.1 g/cm3(Predicted)
storage temp. −20°C
solubility Chloroform (Slightly), Methanol (Sparingly)
form neat
pka13.46±0.70(Predicted)
color White to Pale Yellow
EPA Substance Registry SystemErythromycin, 9-deoxo-6,12-dideoxy-6,9:9,12-diepoxy- (23893-13-2)
Safety Information
WGK Germany 3
MSDS Information
ANHYDROERYTHROMYCIN A Usage And Synthesis
Chemical PropertiesOff-White to Pale Yellow Solid
UsesAnhydroerythromycin A is a degradation product of erythromycin formed by a complex internal rearrangement of erythromycin A on exposure to acidic conditions. In acid, erythromycin A forms the enol ether and then undergoes a second internal cyclisation of the C12–OH and C9 enol to afford the ketal, anhydroerythromycin A. Anhydroerythromycin A is an important analytical standard for erythromycin A stability studies.
ANHYDROERYTHROMYCIN A Preparation Products And Raw materials
erythronolide B 16-Hydroxyerythromycin N-DEMETHYL ERYTHROMYCIN A Erythromycin A Enol Ether Erythromycin E Discontinued N-Demethyl-N-Propanoyl Erythromycin USAF EL-99 Glycerol 5-hydroxydecanoate de-(N-methyl)-8,9-anhydroerythromycin A 6,9-hemicetal 2-TERT-BUTOXYTETRAHYDROFURAN 1,6-Dioxaspiro[4.4]nonane 8,9-anhydroerythromycin A 6,9-hemiketal METHOXYMELONAL 2-Methyl-1,6-dioxaspiro[4.4]nonane ANHYDROERYTHROMYCIN A Erythromycin 2-ETHYL-1,6-DIOXASPIRO[4.4]-NONANE 2-(TETRAHYDROFURFURYLOXY)TETRAHYDROPYRAN

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