ChemicalBook > Product Catalog >Analytical Chemistry >Standard >Pharmaceutical Impurity Reference Standards >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 Structure
CAS No.
142217-80-9
Chemical Name:
6-(Benzyloxy)-9-((1S,3S)-4-(benzyloxy)-3-((benzyloxy)methyl)-2-methylenecyclopentyl)-N-((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-amine
Synonyms
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
Molecular Formula:
C53H49N5O4
Molecular Weight:
819.99
MOL File:
142217-80-9.mol
MSDS File:
SDS
Modify Date:
2024/6/6 14:00:01

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

Density 1.19
storage temp. 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 DataBase Reference 142217-80-9(CAS DataBase Reference)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS02
Signal word  Warning
Hazard statements  H228
Precautionary statements  P403-P501c
HS Code  29335990

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

Chemical Properties

White powder

Definition

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.

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6-(Benzyloxy)-9-(1S,3R,3S)-4-(benzyloxy)-3-(benzyoxymethyl)-2-methylenecyclopentyl)-N-N-(4-methyoxyphenyl)diaphenylmethyl)-9H-purin-2-amine 6-(benzyloxy)-9-(1S,3R,3S)-4-(benzyloxy)_3-(benzyoxymethyl)-2-methylenecyclopentyl)-N-N -(4-methyoxyphenyl)diaphenylmethyl)-9H-purin-2-amino 6-(Benzyloxy)-9-((1S,3R,3S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl)-N-((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-amine [1S-(1α,3α,4β)]-N-[(4-Methoxyphenyl)diphenyl-Methyl]-6-(phenylMethoxy)-9-[2-Methylene-4-(phenylMethoxy)-3-[(phenylMethoxy)Methyl]-cyclopentyl]-9H-purin-2-aMine Entecavir InterMediate VII N-[(4-Methoxyphenyl)diphenylMethyl]-9-[(1S,3R,4S)-2-Methylene-4-(benzyloxy)-3-[(benzyloxy)Methyl]cyclopentyl]-6-(benzyloxy)-9H-Purin-2-aMine Entecavir-7 Entecavir interMediate 7 6-(benzyloxy)-9-((1S,3R,4S)-4-(benzyloxy)-3-(benzyloxymethyl)-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,3R,3S)-4-(benzyloxy)-3-(benzyloxyMethyl)-2-Methylenecyclopentyl)-N-((4-Methoxyphenyl)diphenylMethyl)-9H-purin-2-aMine (interMediate 6) 6-(Benzyloxy)-9-[(1R,3S,4R)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl]-N-[(4-methoxyphenyl)diphenylmethyl]-9H-purin-2-amine [2-(4-Methyl-2-phenyl-1-piperazinyl)-3-pyridinyl]Methanol 6-(Benzyloxy)-9-((1S,3R,3S)-4-(benzyloxy)-3-(benzyloxyMethyl)-2-Methylenecyclopentyl)-N-((4-Methoxyp 6-(Benzyloxy)-9-((1S,3S)-4-(benzyloxy)-3-((benzyloxy)methyl)-2-methylene-cyclopenyl)-N-((4-methox 9H-Purin-2-aMine,N-[(4-Methoxyphenyl)diphenylMethyl]-9-[(1S,3R,4S)-2-Methylene-4-(phenylMethoxy)-3-[(phenylMethoxy)Methyl]cyclopentyl]-6-(phenylMethoxy)- Entecavir E7 6-(Benzyloxy)-9-((1S,3R,3S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl)-N-((4-meth N-[(4-Methoxyphenyl)diphenylmethyl]-9-[(1S,3R,4S)-2-methylene-4-(phenylmethoxy)-3-[(phenylmethoxy)methyl]cyclopentyl]-6-(phenylmethoxy)-9H-purin-2-amine 6-(Benzyloxy)-9-((1S,3S)-4-(benzyloxy)-3-((benzyloxy)methyl)-2-methylene-cyclopenyl)-N-((4-met Ente-3 N-[(4-methoxyphenyl)-diphenylmethyl]-9-[2-methylene-4-phenylmethoxy-3-(phenylmethoxymethyl)cyclopentyl]-6-phenylmethoxy-2-purinamine 6-(Benzyloxy)-9-((1S,3R,3S)-4-(Benzyloxy)-3-(Benzyloxymethyl)? 6-(Benzyloxy)-9-((1S,3S)-4-(benzyloxy)-3-((benzyloxy)methyl)-2-methylene-cyclopenyl)-N-((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-amine Entecavir Impurity 15 ETB/N7 N-[(4-methoxyphenyl)-diphenylmethyl]-9-[(1S,3S)-2-methylidene-4-phenylmethoxy-3-(phenylmethoxymethyl)cyclopentyl]-6-phenylmethoxypurin-2-amine Entecavir Impurity 55 6-(benzyloxy)-9-[(1S,3R,4S)-4-(benzyloxy)-3-[(benzyloxy)methyl]-2-methylidenecyclopentyl]-N-[(4-methoxyphenyl)diphenylmethyl]-9H-purin-2-amine 6-(Benzyloxy)-9-((1S,3R,3S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl)-N-((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-ami 6-(Benzyloxy)-9-((1S,3R,3S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl)-N-((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-amine?(Ent-VII) 142217-80-9 6-(Benzyloxy)-9-((1S,3R,3S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl)-N-((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-amine 6-(Benzyloxy)-9-((1S,3S)-4-(benzyloxy)-3-((benzyloxy)methyl)-2-methylenecyclopentyl)-N-((4-methoxyph 142217-80-9 C53H49N5O4