ChemicalBook > CAS DataBase List > (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

Product Name
(2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(phenylmethoxy)-9H-purin-9-yl]-2-(benzyloxymethyl)cyclopentanol
CAS No.
142217-78-5
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 E5;N-oxide impurity1;Entecavir Impurity 1;Entecavir Impurity 53;Entecavir Impurity 13;Entecavir InterMediate V;Entecavir intermediate N5;ENTECAVIR INTERMEDIATE (5TH);Entecavir InterMediate (CAS # 142217-78-5)
CBNumber
CB31450658
Molecular Formula
C52H49N5O5
Formula Weight
823.98
MOL File
142217-78-5.mol
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(2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(phenylmethoxy)-9H-purin-9-yl]-2-(benzyloxymethyl)cyclopentanol Property

Melting point:
>87°C (dec.)
Density 
1.23
storage temp. 
2-8°C
solubility 
Acetonitrile (Slightly, Sonicated), DMSO (Slightly, Sonicated), Methanol (Slightly, Sonicated)
pka
13.87±0.70(Predicted)
form 
Solid
color 
White to Off-White
Stability:
Hygroscopic
CAS DataBase Reference
142217-78-5(CAS DataBase Reference)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P330Rinse mouth.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P337+P313IF eye irritation persists: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

P403+P233Store in a well-ventilated place. Keep container tightly closed.

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Matrix Scientific
Product number
090535
Product name
(1S,2S,3S,5S)-3-(Benzyloxy)-5-(6-(benzyloxy)-2-(((4-methoxyphenyl)diphenylmethylamino)-9H-purin-9-yl)-2-((benzyloxy)methyl)cyclopentanol
Purity
95+%
Packaging
250mg
Price
$492
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
NUC0000820
Product name
CYCLOPENTANOL, 5-[2-[[(4-METHOXYPHENYL)DIPHENYLMETHYL]AMINO]-6-(PHENYLMETHOXY)-9H-PURIN-9-YL]-3-(PHENYLMETHOXY)-2-[(PHENYLMETHOXY)METHYL]-, [1S-(1ALPHA,2BETA,3ALPHA,5BETA)]
Purity
95.00%
Packaging
5MG
Price
$503.99
Updated
2021/12/16
AK Scientific
Product number
W3097
Product name
(1S,2S,3S,5S)-3-(benzyloxy)-5-(6-(benzyloxy)-2-(((4-methoxyphenyl)diphenylmethyl)amino)-9H-purin-9-yl)-2-((benzyloxy)methyl)cyclopentanol
Packaging
250mg
Price
$714
Updated
2021/12/16
Matrix Scientific
Product number
090535
Product name
(1S,2S,3S,5S)-3-(Benzyloxy)-5-(6-(benzyloxy)-2-(((4-methoxyphenyl)diphenylmethylamino)-9H-purin-9-yl)-2-((benzyloxy)methyl)cyclopentanol
Purity
95+%
Packaging
1g
Price
$1092
Updated
2021/12/16
AK Scientific
Product number
W3097
Product name
(1S,2S,3S,5S)-3-(benzyloxy)-5-(6-(benzyloxy)-2-(((4-methoxyphenyl)diphenylmethyl)amino)-9H-purin-9-yl)-2-((benzyloxy)methyl)cyclopentanol
Packaging
1g
Price
$1524
Updated
2021/12/16
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(2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(phenylmethoxy)-9H-purin-9-yl]-2-(benzyloxymethyl)cyclopentanol Chemical Properties,Usage,Production

Uses

Entecavir-?5 is used in the preparation of the anti-?HBV drug Entecavir.

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

Raw materials

Preparation Products

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

China 175 India 6 United States 8 USA 1 Global 190
Nanjing Kanglirui Biotechnology Co., Ltd.
Tel
+86-18626219813 +86-18626219813
Email
812493095@qq.com
Country
China
ProdList
48
Advantage
58
Cangzhou Dafeng Chemical Co., Ltd
Tel
18006162369
Email
dfhxchemical@163.com
Country
China
ProdList
18
Advantage
58
Chembest Research Laboratories Limited
Tel
+86-21-20908456
Fax
021-58180499
Email
sales@BioChemBest.com
Country
China
ProdList
6005
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61
JinYan Chemicals(ShangHai) Co.,Ltd.
Tel
13817811078
Fax
86-021-50426522,50426273
Email
sales@jingyan-chemical.com
Country
China
ProdList
9976
Advantage
60
Adamas Reagent, Ltd.
Tel
400-6009262 16621234537
Fax
021-64823266
Email
chenyj@titansci.com
Country
China
ProdList
14103
Advantage
59
XiaoGan ShenYuan ChemPharm co,ltd
Tel
15527768850
Email
1791901229@qq.com
Country
China
ProdList
8836
Advantage
52
Hangzhou Yuhao Chemical Technology Co., Ltd
Tel
0571-82693216
Fax
+86-571-82880190
Email
info@yuhaochemical.com
Country
China
ProdList
9387
Advantage
52
Wuhan Fortuna Chemical Co., Ltd
Tel
027-59207852 13308628970
Fax
QQ3130921841
Email
buy@fortunachem.com
Country
China
ProdList
2866
Advantage
58
Tianjin Yao Technology Development Co., Ltd.
Tel
022-18902014291 18902014291
Fax
022-66211080
Email
byswxsb01@163.com
Country
China
ProdList
98
Advantage
58
Shanghai T&W Pharmaceutical Co., Ltd.
Tel
+86 21 61551611
Fax
+86 21 50676805
Country
China
ProdList
9891
Advantage
58
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View Lastest Price from (2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(phenylmethoxy)-9H-purin-9-yl]-2-(benzyloxymethyl)cyclopentanol manufacturers

Zibo Hangyu Biotechnology Development Co., Ltd
Product
(2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(phenylmethoxy)-9H-purin-9-yl]-2-(benzyloxymethyl)cyclopentanol 142217-78-5
Price
US $150.00-880.00/g
Min. Order
5g
Purity
99%
Supply Ability
50
Release date
2024-07-15
Shaanxi Dideu Medichem Co. Ltd
Product
(2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(phenylmethoxy)-9H-purin-9-yl]-2-(benzyloxymethyl)cyclopentanol 142217-78-5
Price
US $0.10/KG
Min. Order
1KG
Purity
99.0%
Supply Ability
1000 tons
Release date
2020-04-24
PNP Biotech Co. Ltd
Product
(1S,2S,3S,5S)-5-(2-((4-methoxyphenyl)diphenylmethylamino)-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-((benzyloxy)methyl)cyclopentanol 142217-78-5
Price
US $0.00/kg
Min. Order
25kg
Purity
HPLC>98%;ee%>98.5
Supply Ability
Inquiry
Release date
2022-09-29

142217-78-5, (2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(phenylmethoxy)-9H-purin-9-yl]-2-(benzyloxymethyl)cyclopentanolRelated Search:

4-Methoxybenzyl cyanide (Trifluoromethoxy)benzene Glycine 6-Aminocaproic acid 4-Methoxyphenol p-Anisidine ALTRENOGEST p-Anisaldehyde Tris(hydroxymethyl)aminomethane 4-Methoxybenzyl alcohol 4-Methoxybenzoic acid Guaiacol Anisole 6-(Benzyloxy)-9-((1S,3S)-4-(benzyloxy)-3-((benzyloxy)methyl)-2-methylenecyclopentyl)-N-((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-amine (1S,2S,3S,5S)-5-(2-Amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-(benzyloxymethyl)cyclopentanol (1s-trans)-2-[(phenylmethoxy)methyl]-3-cyclopenten-1-ol 2-AMino-1,9-dihydro-9-[(1S,3R,4S)-4-(hydroxydiMethylsilyl)-3-(hydroxyMethyl)-2-Methylenecyclopentyl]-6H-purin-6-one Entecavir

  • (2R,3S,5S)-3-(Benzyloxy)-5-(6-benzyloxy)-2-(4-methyoxyphenyl)diphenylmethylamino)-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
  • (2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(phenylmethoxy)-9H-purin-9-
  • (2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(phenylmethoxy)-9H-purin-9-yl]-2-(benzyloxymethyl)cyclopentanol ,99%
  • [1S-(1α,2β,3α,5β)]-5-[2-[[(4-Methoxyphenyl)-diphenylMethyl]aMino]-6-(phenylMethoxy)-9H- purin-9-yl]-3-(phenylMethoxy)-2-[(phenyl-Methoxy)Methyl]cyclopentanol
  • Entecavir InterMediate V
  • (1S,2S,3S,5S)-5-(2-((4-Methoxyphenyl)diphenylMethylaMino)-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-((benzyloxy)Methyl)cyclopentanol
  • Entecavir-5
  • (1S,2S,3S,5S)-3-(benzyloxy)-5-(6-(benzyloxy)-2-(((4-Methoxyphenyl)diphenylMethyl)aMino)-9H-purin-9-yl)-2-((benzyloxy)Methyl)cyclopentanol
  • Entecavir Impurity 53
  • (1S,2S,3S,5S)-3-(benzyloxy)-5-[6-(benzyloxy)-2-{[(4-methoxyphenyl)diphenylmethyl]amino}-9H-purin-9-yl]-2-[(benzyloxy)methyl]cyclopentan-1-ol
  • 5-[2-[[(4-methoxyphenyl)-diphenylmethyl]amino]-6-phenylmethoxy-9-purinyl]-3-phenylmethoxy-2-(phenylmethoxymethyl)-1-cyclopentanol
  • The China supplier of Entecavir Intermediate Cas:142217-78-5
  • (1S,3R,4S)-3-(benzyloxy-5-[6-(benzyloxy)-2 -((4-Methoxyphenyl)diphenylMethylaMino) -9H- purin-9-yl]-2-(benzyloxyMethyl)cyclopentanol
  • Entecavir InterMediate (CAS # 142217-78-5)
  • (2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-Methoxyphenyl)diphenylMethyl]aMino]-6-(phenylMethoxy)-9H-purin-9-yl]-2-(benzyloxyMethyl)cyclopentanol (interMediate step 4)
  • (1S,2S,3S,5S)-3-BENZYLOXY)-5(6-BENZYLOXY)-2-((4-METHOXYPHENYL)DIPHENYLMETHYLAMINO)-9H-PURIN-9-YL)-2-(BENZYLOXYMETH
  • (2R,3S,5S)-3-(Benzyloxy)-5-[6-(benzyloxy)-2-{[(4-Methoxyphenyl)(diphenyl)Methyl]aMino}-9H-purin-9-yl]-2-[(benzyloxy)Methyl]cyclopentanol
  • (2R,3S,5S)-3-(benzyloxy)-5-[6-(benzyloxy)-2-{[(4-Methoxyphenyl)diphenylMethyl]aMino}-9H-purin-9-yl]-2-[(benzyloxy)Methyl]cyclopentan-1-ol
  • (1S,2S,3S,5S)-3-(Benzyloxy)-5-(6-(benzyloxy)-2-(((4-methoxyphenyl)diphenylmethyl amino)-9H-purin-
  • (1S,2S,3S,5S)-5-[2-[[(4-Methoxyphenyl)diphenylmethyl]amino]-6-(phenylmethoxy)-9H-purin-9-yl]-3-(phenylmethoxy)-2-[(phenylmethoxy)methyl]cyclopentanol
  • Entecavir E5
  • (2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(phenylmethoxy)-9H-purin-9-yl]-2-(benzyloxymethyl)cyclopentanol###142217-78-5
  • (1S,2S,3S,5S)-3-(Benzyloxy)-5-(6-(benzyloxy)-2-(((4-methoxyphenyl)diphenylmethylamino)-9H-puri
  • (2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(phenylmethoxy)-9H-pu
  • Entecavir intermediate N5
  • Entecavir Impurity 13
  • ENTECAVIR INTERMEDIATE (5TH)
  • 2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(phenylmethoxy)-9H-purin-9-yl]-2-a(benzyloxymethyl)cyclopentanol
  • Entecavir Impurity 1
  • N-oxide impurity1
  • Cyclopentanol, 5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(phenylmethoxy)-9H-purin-9-yl]-3-(phenylmethoxy)-2-[(phenylmethoxy)methyl]-, (1S,2S,3S,5S)-
  • 5-[2-[[(4-Methoxyphenyl)diphenylmethyl]amino]-6-(phenylmethoxy)-9H-purin-9-yl]-3-(phenylmethoxy)-2-[(phenylmethoxy)methyl]cyclopentanol
  • (2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmet...
  • "(2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(phenylmethoxy)"
  • (1S,2S,3S,5S)-5-[2-[[(4-Methoxyphenyl)diphenylmethyl]amino]-6-(phenylmethoxy)-9H-purin-9-yl]-3-(phen
  • (2R,3S,5S)-3- (Benzyloxy)-5-[2-[[(4-methoxyphenyl)- diphenylmethyl]amino]-6- (phenylmethoxy)-9H-purin-9-yl]- 2- (benzyloxymethyl) cyclopentanol (Ent-V)
  • (2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylm
  • 142217-78-5
  • 42217-78-5
  • C52H49N5O5