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THE NEW DEVELOPMENTS OF ENTECAVIR API & INTERMEDIATE, ISOMERS
Add time :2010-10-14 Views:2308

Since 2006, Beijing Zhongshuo Pharmaceutical Technology Development Co., Ltd. is committed to the development, production and sales API and intermediates of Entecavir Monohydrate, and has been in the domestic advanced levels. Product information is as follows,
 
产品名称
English Name
CAS No.
恩替卡韦
Entecavir Monohydrate
209216-23-9
恩替卡韦中间体1
(1R,2S)-2-[(Phenylmethoxy)methyl]-3-cyclopenten-1-ol
188399-48-6
恩替卡韦中间体2
(1S,2R,3S,5R)-2-(Benzyloxymethyl)-6-oxabicyclo[3.1.0]hexan-3-ol
117641-39-1
恩替卡韦中间体3
(1S,2R,3S,5R)-3-(Phenylmethoxy)-2-[(phenylmethoxy)methyl]-6-oxabicyclo[3.1.0]hexane
110567-22-1
恩替卡韦中间体4
(1S,2S,3S,5S)-5-(2-Amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-(benzyloxymethyl)cyclopentanol
142217-77-4
恩替卡韦中间体5
(2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(phenylmethoxy)-9H-purin-9-yl]-2-(benzyloxymethyl)cyclopentanol
142217-78-5
恩替卡韦中间体7
6-(Benzyloxy)-9-((1S,3R,3S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl)-N-((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-amine
142217-80-9
恩替卡韦中间体8
6-(Benzyloxy)-9-[(1S,3R,4S)-2-methylene-4-(phenylmethoxy)-3-[(phenylmethoxy)methyl]cyclopentyl]-9H-purine-2-amine
204845-95-4
恩替卡韦中间体8异构体
2-Amino-1,9-dihydro-9-[(1S,3R,4S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one
142217-81-0
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Now we can regularly provide our customers Entecavir Monohydrate API with good quality for a long-term (the content ≥ 99.8%, single impurity ≤ 0.05%, total impurity ≤ 0.1%). In addition, we also can provides Entecavir Monohydrate with micropowder level (granularity around 10μm), content of 99.8% -99.9%.
 
Since March 2010, our company began to develop Entecavir isomers. And before October of this year, we have successfully developed and sold 5 kinds of Entecavir Isomer, as follows,
 
产品名称
English Name
恩替卡韦异构体1(1r,3r,4s)
Entecavir Isomer 1(1r,3r,4s)
恩替卡韦异构体2(1s,3r,4r)
Entecavir Isomer 2(1s,3r,4r)
恩替卡韦异构体3(1r,3r,4r)
Entecavir Isomer 3(1r,3r,4r)
恩替卡韦异构体4(1r,3s,4r)
Entecavir Isomer 4(1r,3s,4r)
恩替卡韦异构体5(1r,3s,4s)
Entecavir Isomer 5(1r,3s,4s)
 
In which, we have fresh stock of Entecavir Isomer 2, 4, 5.
 
We sincerely hope to cooperate with you. Welcomed for your inquiry!