ChemicalBook Product Catalog Analytical Chemistry Standard Pharmaceutical Impurity Reference Standards (1R,3R,4R)-Entecavir

(1R,3R,4R)-Entecavir

(1R,3R,4R)-Entecavir Basic information
Product Name:(1R,3R,4R)-Entecavir
Synonyms:(1R,3R,4R)-Entecavir;2-amino-9-((1R,3R,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1,9-dihydro-6H-purin-6-one hydrate;(1R,3R,4R)-ENTECAVIR, 2-AMINO-1,9-DIHYDRO-9-[(1R,3R,4R)-4-HYDROXY-3-(HYDROXYMETHYL)-2-METHYLENECYCLOPENTYL]-6H-PURIN-6-ONE;Entecavir (1R, 3R, 4R) Diastereomer;Entecavir (R,R,R)-Isomer;(1R,3R,4R);1,4-Epi Entecavir;Entecavir Impurity ETY-2
CAS:1367369-76-3
MF:C12H15N5O3
MW:277.28
EINECS:
Product Categories:Anti-virals, Heterocycles, Impurities, Nucleotides, Bases & Related Reagents, Pharmaceuticals, Intermediates & Fine Chemicals;Anti-virals;Bases & Related Reagents;Heterocycles;Impurities;Intermediates & Fine Chemicals;Nucleotides;Pharmaceuticals
Mol File:1367369-76-3.mol
(1R,3R,4R)-Entecavir Structure
(1R,3R,4R)-Entecavir Chemical Properties
Melting point >215°C (dec.)
Boiling point 661.4±65.0 °C(Predicted)
density 1.81±0.1 g/cm3(Predicted)
storage temp. -20°C Freezer, Under Inert Atmosphere
solubility DMSO (Slightly), Methanol (Very Slightly, Heated, Sonicated)
form Solid
pka14.22±0.60(Predicted)
color White to Off-White
Safety Information
MSDS Information
(1R,3R,4R)-Entecavir Usage And Synthesis
Uses(1R,3R,4R)-Entecavir is an isomeric impurity of Entecavir (E558900).
(1R,3R,4R)-Entecavir Preparation Products And Raw materials
6-(Benzyloxy)-9-((1S,3R,3S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl)-N-((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-amine 2-AMino-1,9-dihydro-9-[(1S,3R,4S)-4-(hydroxydiMethylsilyl)-3-(hydroxyMethyl)-2-Methylenecyclopentyl]-6H-purin-6-one Entecavir Impurity 17(Entecavir EP Impurity C) Entecavir 2-Amino-1,9-dihydro-9-[(1S,3R,4S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one (1'S,3'S,4'S)-Entecavir IsoMer (1S,2S,3S,5S)-5-(2-Amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-(benzyloxymethyl)cyclopentanol (2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(phenylmethoxy)-9H-purin-9-yl]-2-(benzyloxymethyl)cyclopentanol (1S,3S,4R)-Entecavir 142217-78-5 2-amino-9-((1S,3S,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1,9-dihydro-6H-purin-6-one Entecavir Impurity 6 6-O-Benzyl-4-dehydroxy-4-diMethylphenylsilyl Entecavir 2-amino-9-((1R,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1,9-dihydro-6H-purin-6-one hydrate (2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(benzyloxy)-9H-purin-9-yl]-2-(benzyloxymethyl)cyclopentanone Entecavir Impurity Entecavir Impurity 5 1R 3S 4R-Ent-Entecavir
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