Home > All categories> Biochemicals and Pharmaceutical Chemicals> Pharmaceutical Impurities> (2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(phenylmethoxy)-9H-purin-9-yl]-2-(benzyloxymethyl)cyclopentanol

(2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(phenylmethoxy)-9H-purin-9-yl]-2-(benzyloxymethyl)cyclopentanol

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Origin: China

Cas No: 142217-78-5

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

Quick Details
CAS No.:
142217-78-5
MF:
C52H49N5O5
EINECS No.:
N/A
Place of Origin:
Zhejiang, China
Type:
Pharmaceutical Intermediates
Purity:
99% min
Brand Name:
Crene
Model Number:
cas 142217-78-5
Application:
Pharmaceutical Intermediates
Appearance:
powder
Molecular Weight:
823.976
PSA:
112.78
LogP:
9.615
Packaging&Delivery
Packaging Details
Packaging according to customer requirements
Port
Shanghai/Hangzhou
Lead Time:
Quantity(Grams) 1 - 300 >300
Est. Time(days) 3 To be negotiated

Property

CAS No.: 142217-78-5 Formula: C52H49N5O5 Molecular Weight: 823.97600

Basic Info

Chemical Name	(2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(phenylmethoxy)-9H-purin-9-yl]-2-(benzyloxymethyl)cyclopentanol
Synonyms	Entecavir-5; Entecavir InterMediate V; (1S,3R,4S)-3-(benzyloxy-5-[6-(benzyloxy)-2 -((4-Methoxyphenyl)diphenylMethylaMino) -9H-purin-9-yl]-2-(benzyloxyMethyl)cyclopentanol; (2R,3S,5S)-3-(Benzyloxy)-5-(6-benzyloxy)-2-(4-methyoxyphenyl)diphenylmethylamino)-9H-purin-9-yl)-2-benzyloxymethyl)cyclopentanol; (1S,2S,3S,5S)-3-(benzyloxy)-5-(6-(benzyloxy)-2-(((4-Methoxyphenyl)diphenylMethyl)aMino)-9H-purin-9-yl)-2-((benzyloxy)Methyl)cyclopentanol; (2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(phenylmethoxy)-9H-purin-9; (1S,2S,3S,5S)-5-(2-((4-Methoxyphenyl)diphenylMethylaMino)-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-((benzyloxy)Methyl)cyclopentanol; Entecavir InterMediate ( # );
CAS No.	142217-78-5
Molecular Formula	C52H49N5O5
Molecular Weight	823.97600
PSA	112.78000
LogP	9.61500

Properties

Appearance & Physical State	Colorless transparent liquid
Density	1.23g/cm3
Refractive Index	1.645

Synthesis Route

(1S,2S,3S,5S)-5-(2-Amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-(benzyloxymethyl)cyclopentanol+4-Methoxytriphenylchloromethane→(2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(phenylmethoxy)-9H-purin-9-yl]-2-(benzyloxymethyl)cyclopentanol
Benzylchloromethyl ether→(2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(phenylmethoxy)-9H-purin-9-yl]-2-(benzyloxymethyl)cyclopentanol
(benzyloxymethyl)cyclopenta-2,4-diene→(2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(phenylmethoxy)-9H-purin-9-yl]-2-(benzyloxymethyl)cyclopentanol

Precursor

(benzyloxymethyl)cyclopenta-2,4-diene
(1S,2S,3S,5S)-5-(2-Amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-(benzyloxymethyl)cyclopentanol
Benzylchloromethyl ether
4-Methoxytriphenylchloromethane

Downstream Product

N-[(4-methoxyphenyl)-diphenylmethyl]-9-[(1S,3S)-2-methylidene-4-phenylmethoxy-3-(phenylmethoxymethyl)cyclopentyl]-6-phenylmethoxypurin-2-amine
(2R,3S,5S)-5-[2-[[(4-methoxyphenyl)-diphenylmethyl]amino]-6-phenylmethoxypurin-9-yl]-3-phenylmethoxy-2-(phenylmethoxymethyl)cyclopentan-1-one
Entecavir
2-amino-9-((1S,3R,4S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl)-1H-purin-6(9H)-one

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