ChemicalBook >?? ???? >6-(Benzyloxy)-9-((1S,3S)-4-(benzyloxy)-3-((benzyloxy)methyl)-2-methylenecyclopentyl)-N-((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-amine

6-(Benzyloxy)-9-((1S,3S)-4-(benzyloxy)-3-((benzyloxy)methyl)-2-methylenecyclopentyl)-N-((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-amine

6-(Benzyloxy)-9-((1S,3S)-4-(benzyloxy)-3-((benzyloxy)methyl)-2-methylenecyclopentyl)-N-((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-amine ??? ???

?? ??:: 142217-80-9

???:: 6-(Benzyloxy)-9-((1S,3S)-4-(benzyloxy)-3-((benzyloxy)methyl)-2-methylenecyclopentyl)-N-((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-amine

???(??):: Ente-3;ETB/N7;Entecavir-7;Entecavir E7;Entecavir Impurity 15;Entecavir Impurity 55;Entecavir interMediate 7;Entecavir InterMediate VII;[2-(4-Methyl-2-phenyl-1-piperazinyl)-3-pyridinyl]Methanol;6-(Benzyloxy)-9-((1S,3R,3S)-4-(Benzyloxy)-3-(Benzyloxymethyl)?

CBNumber:: CB01450899

???:: C53H49N5O4

??? ??:: 819.99

MOL ??:: 142217-80-9.mol

?? ?? 178

6-(Benzyloxy)-9-((1S,3S)-4-(benzyloxy)-3-((benzyloxy)methyl)-2-methylenecyclopentyl)-N-((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-amine ??

??: 1.19

?? ??: Keep in dark place,Inert atmosphere,Room temperature

?? ?? (pKa): 3.08±0.30(Predicted)

InChIKey: OXHGMTPGAFKZHK-QQVWZEJNSA-N

SMILES: N1C2C(=NC(NC(C3=CC=C(OC)C=C3)(C3=CC=CC=C3)C3=CC=CC=C3)=NC=2OCC2=CC=CC=C2)N([C@H]2C[C@H](OCC3=CC=CC=C3)[C@@H](COCC3=CC=CC=C3)C2=C)C=1

CAS ??????: 142217-80-9(CAS DataBase Reference)

?? ? ?? ??
?? ? ???? ?? (GHS)

HS ??	29335990

????(GHS):

?? ?:

Warning

??·?? ??:

??	??·?? ??	?? ??	??	?? ?	?? ??	P- ??
H228	??? ??	??? ??	?? 1 ?? 2	?? ??		P210, P240,P241, P280, P370+P378

??????:

P403

??? ? ?? ?? ?????.

6-(Benzyloxy)-9-((1S,3S)-4-(benzyloxy)-3-((benzyloxy)methyl)-2-methylenecyclopentyl)-N-((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-amine C??? ??, ??, ??

??? ??

White powder

??

6-(Benzyloxy)-9-((1S,3S)-4-(benzyloxy)-3-((benzyloxy)methyl)-2-methylenecyclopentyl)-N- ((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-amine is an intermediate compound in the synthesis of the antiviral drug Entecavir. It can be used as a reference standard reagent for the quality control and analysis of Entecavir.

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6-(Benzyloxy)-9-((1S,3S)-4-(benzyloxy)-3-((benzyloxy)methyl)-2-methylenecyclopentyl)-N-((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-amine is also known as Entecavir Impurity 3. Entecavir belongs to the family of medicines called antivirals. Entecavir is used to treat liver infections caused by hepatitis B virus.

6-(Benzyloxy)-9-((1S,3S)-4-(benzyloxy)-3-((benzyloxy)methyl)-2-methylenecyclopentyl)-N-((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-amine ?? ?? ? ???

???

4-Methoxytriphenylmethyl chloride Benzene, [(2,4-cyclopentadien-1-ylmethoxy)methyl]- (2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(benzyloxy)-9H-purin-9-yl]-2-(benzyloxymethyl)cyclopentanone (1S,2R,3S,5R)-2-(Benzyloxymethyl)-6-oxabicyclo[3.1.0]hexan-3-ol ???????????? (1S,2R,3S,5R)-3-(Phenymethyloxy)-2-(phenylmethoxy)methyl-6-oxabicyclo[3.1.0]hexane (1S, 2R)-2-(Benzyloxymethyl)-1-hydroxy-3-cyclopentene (2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(phenylmethoxy)-9H-purin-9-yl]-2-(benzyloxymethyl)cyclopentanol (1S,2S,3S,5S)-5-(2-Amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-(benzyloxymethyl)cyclopentanol ?????????? ?????????

?? ??

2-Amino-1,9-dihydro-9-[(1S,3R,4S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one

6-(Benzyloxy)-9-((1S,3S)-4-(benzyloxy)-3-((benzyloxy)methyl)-2-methylenecyclopentyl)-N-((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-amine ?? ??

???( 178)?? ??

???	??	???	??	?? ?	??
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6-(Benzyloxy)-9-((1S,3S)-4-(benzyloxy)-3-((benzyloxy)methyl)-2-methylenecyclopentyl)-N-((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-amine ?? ??:

???? ??? ??????????? ??????? P-???? 4-????? ?????????? 4-Methoxybenzoic acid (1S,3S,4R)-Entecavir (1R,3R,4R)-Entecavir (1'S,3'S,4'S)-Entecavir IsoMer 2-Amino-1,9-dihydro-9-[(1S,3R,4S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one Entecavir 2-AMino-1,9-dihydro-9-[(1S,3R,4S)-4-(hydroxydiMethylsilyl)-3-(hydroxyMethyl)-2-Methylenecyclopentyl]-6H-purin-6-one (1s-trans)-2-[(phenylmethoxy)methyl]-3-cyclopenten-1-ol (2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(phenylmethoxy)-9H-purin-9-yl]-2-(benzyloxymethyl)cyclopentanol (1S,2S,3S,5S)-5-(2-Amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-(benzyloxymethyl)cyclopentanol Entecavir Impurity

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