Antiviral

Products

Anticancer Anti-Cardiovascular Antiviral Antibiotic Anti-diabetes

Ledipasvir

Product Name

CAS Number

(6S)-6-[5-[7-[2-(1R,3S,4S)-2-Azabicyclo[2.2.1]hept-3-yl-1H- benzimidazol-6-yl]-9,9-difluoro-9H-fluoren-2-yl]-1H-imidazol-2-yl] -5-azaspiro[2.4]heptanehydrochloride(1:4)

1499193-67-7
(S)-5-(tert-Butoxycarbonyl)-5-azaspiro[2.4]heptane-6-carboxylic acid

1129634-44-1/ 1441673-92-2
1-(7-Bromo-9,9-difluoro-9H-fluoren-2-yl)-2-chloroethanone

1378387-81-5
(1R,3S,4S)-N-Boc-2-azabicyclo[2.2.1]heptane-3-carboxylic acid

291775-59-2
(1R,3S,4S)-3-(6-Bromo-1H-benzimidazol-2-yl)-2-azabicyclo[2.2.1] heptane-2-carboxylic acid 1,1-dimethylethyl ester

1256387-74-2
(1R,3S,4S)-3-[6-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H- benzimidazol-2-yl]-2-azabicyclo[2.2.1]heptane-2-carboxylicacid 1,1-dimethylethyl ester

1256387-87-7
(6S)-6-[5-(7-Bromo-9,9-difluoro-9H-fluoren-2-yl)-1H-imidazol-2-yl]-5-azaspiro[2.4]heptane-5-carboxylic acid 1,1dimethylethylester

1441670-89-8

Velpatasvir

Product Name

CAS Number

Tert-Butyl(2S,4S)-2-(4-(2-((2S,5S)-1-((methoxycarbonyl)-L-valyl)-5- methylpyrrolidin-2-yl)-1,11-dihydroisochro-meno[4,3:6,7]Naphtho [1,2-d]imidazol-9-yl)-1H-imidazol-2-yl)-4-(methoxymethyl) pyrrolidine-1-carboxylate

1378391-45-7
3-(2-Bromo-acetyl)-10,11-dihydro-5H,9H-6-oxa-benzo[a] anthracen-8-one

1378390-29-4
9-Bromo-3-(2-bromo-acetyl)-10,11-dihydro-5H,9H-6-oxa-benzo [a]anthracen-8-one

1438383-89-1
(2S,4S)-tert-butyl2-(5-(2-((2S,5S)-1-((S)-2-((methoxycarbonyl) amino)-3-methylbutanoyl)-5-methylpyrrolidin-2-yl)-1,4,5,11- tetrahydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H- imidazol-2-yl)-4-(methoxymethyl)pyrrolidine-1-carboxylate

1378391-44-6
(2S,5S)-1-(2-Methoxycarbonylamino-3-methyl-butyryl)-5-methyl- pyrrolidine-2-carboxylic acid

1335316-40-9
(2S,5S)-1-(tert-Butoxycarbonyl)-5-methylpyrrolidine-2-carboxylic acid

334769-80-1
(2S,4S)-4-Cyano-pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester2-methyl ester

487048-28-2
(2S,4S)-1-(tert-butoxycarbonyl)-4-(Methoxymethyl)pyrrolidine-2- carboxylic acid

1378388-16-9

Note: Products within patent validity are offered for R&D to the restricted area. Buyers should be responsible for identifying the patent-infringement situation and liable for use& dealing of those products at the destination.

Service

CRO

Synthesis of small molecule organic compounds from milligram to kilogram
Synthesis of Intermediates, building blocks, metabolites and impurities
Synthesis of compounds with novel structures
Analytical method development and quality control
On-time, high-quality delivery

CDMO

Custom production of starting materials and advanced intermediates
Process optimization of designated routes
Development and optimization of innovative process routes according to customer’s ROS
Provide customized services of kg-level to ton-level products

Technology

Fluorinated, brominated, chlorinated, cyanided, nitrated, sulfonated, chlorosulfonated

Hydrogenation reduction, ammoniation

Oxidation & Reduction reactions

Methylation & Demethylation Reactions

Grignard Reaction/Butyl Lithium Reaction

Phosgenation reaction

Chloromethylation

Diazotization reaction

Friedel-Crafts reaction

Low temperature reaction (-20°C ~78°C)

High pressure high temperature reaction (2~12MPa, up to 250℃)