Shandong Kehui Pharmaceutical Co., Ltd. is a modern high-tech pharmaceutical company that strictly complies with GMP requirements and produces high standards. The company was established in May 2017 and is located in the Yellow River Delta Medicine V
As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
Cas:123318-82-1
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inquiryWelcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our
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inquiryUnique advantages for Clofarabine CAS 123318-82-1. Guaranteed the purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White powder Storage:Normal temperature preservation Package:10g/bag
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inquiryThe above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi
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LIDE PHARMACEUTICALS LIMITED is a professional chemicals and APIs leading manufacturer in China. Our core business line covers APIs, Intermediates, Herb extract, etc.
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inquiry(2R,3R,4S,5S)-5-(4-amino-6-chloro-1H-benzo[d]imidazol-1-yl)-4-fluoro-2-(hydroxymethyl)-tetrahydrofuran-3-ol Chemical Name : (2R,3R,4S,5S)-5-(4-amino-6-chloro-1H-benzo[d]imidazol-1-yl)-4-fluoro-2-(hydr
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inquiryName: (2R,3R,4S,5S)-5-(4-amino-6-chloro-1H-benzo[d]imidazol-1-yl)-4-fluoro-2-(hydroxymethyl)-tetrahydrofuran-3-ol CAS NO.:123318-82-1 Molecular formula: C10H11ClFN5O3 Molecular weight: 303.68 Appearance:White crystalline powder Storage:Store in
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inquiryClofarabine CAS:123318-82-1 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermediate
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We can provide GMP validation service that complies with SFDA, FDA, WHO and EU EMPA.Excellent registration team could help us easlily to register our products in different countries.If you and your customer are interested in some products or need C
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inquiry1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie
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inquiryHenan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
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inquiryPackage:As customer request Application:Used for research and industrial manufacture. Transportation:By Sea/Air/Courier Port:Qingdao/Shanghai,China
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inquiryNewCan Biotech Limited was established in 2021 and is primarily engaged in the research, development, production, and sales of sugars, nucleosides, nucleotides, phosphorylated monomers, as well as next-generation antiviral and antitumor drug intermed
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inquiryJ&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
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Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
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inquiry6-amino-2-chloro-9-(2'-deoxy-2'-fluoro-3',5'-di-O-benzoyl-β-D-arabinofuranosyl)-9H-purine
clofarabine
Conditions | Yield |
---|---|
With methanol; sodium methylate at 15 - 20℃; for 2h; | 95.41% |
With methanol; sodium methylate at 20℃; for 2h; pH=9 - 10; Reagent/catalyst; Green chemistry; | 95.5% |
With methanol; sodium methylate at 0℃; for 2h; | 95.5% |
6-amino-2-chloro-9-(2-deoxy-2-fluoro-3,5-di-O-(triisopropylsilyl)-β-D-arabinofuranosyl)-9H-purine
clofarabine
Conditions | Yield |
---|---|
With tetramethylammonium fluoride; acetic acid In N,N-dimethyl-formamide at 20℃; | 90% |
With tetramethylammonium fluoride; acetic acid In N,N-dimethyl-formamide at 20℃; | 90% |
clofarabine
Conditions | Yield |
---|---|
With ammonia In methanol at 60℃; for 5h; | 90% |
clofarabine
Conditions | Yield |
---|---|
60% |
2-chloroadenine
clofarabine
Conditions | Yield |
---|---|
With recombinant E.coli purine nucleoside phosphorylase In water at 52℃; for 168h; Enzymatic reaction; | 42% |
2,6-dichloro-9-(3-O-acetyl-5-O-benzoyl-2-deoxy-2-fluoro-β-D-arabinofuranosyl)-9H-purine
clofarabine
Conditions | Yield |
---|---|
With lithium hydroxide; ammonia 1.) ethanol, RT, 3 d, 2.) acetonitrile, RT, 3 h; Yield given. Multistep reaction; |
2-chloro-9-(3',5'-di-O-benzoyl-β-D-ribofuranosyl)adenine
clofarabine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: pyridine / dichloromethane / 0 - 20 °C / Inert atmosphere 2.1: guanidine carbonate / dichloromethane; ethyl acetate / 60 °C 2.2: 80 °C 3.1: sodium methylate; methanol / 30 - 40 °C View Scheme | |
Multi-step reaction with 3 steps 1: pyridine; dichloromethane / 0 - 20 °C / Inert atmosphere 2: guanidine hydrogen carbonate; triethylamine hydrofluoride / ethyl acetate / 20 - 80 °C 3: sodium methylate / methanol / 30 - 40 °C View Scheme | |
Multi-step reaction with 3 steps 1: pyridine / dichloromethane / 0.5 h / -10 - 0 °C / Inert atmosphere 2: N-ethyl-N,N-diisopropylamine; triethylamine tris(hydrogen fluoride) / toluene / 48 h / 35 - 40 °C 3: sodium methylate / methanol / 0.5 h / 30 °C View Scheme |
6-amino-2-chloro-9-(2',3',5'-tri-O-benzoyl-β-D-ribofuranosyl)-9H-purine
clofarabine
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: pyridine; hydrazine hydrate; acetic acid / 75 - 80 °C / Inert atmosphere 2.1: pyridine / dichloromethane / 0 - 20 °C / Inert atmosphere 3.1: guanidine carbonate / dichloromethane; ethyl acetate / 60 °C 3.2: 80 °C 4.1: sodium methylate; methanol / 30 - 40 °C View Scheme | |
Multi-step reaction with 4 steps 1.1: pyridine; hydrazine hydrate; acetic acid / 75 - 80 °C / Inert atmosphere 1.2: 65 °C 2.1: pyridine / dichloromethane / 0 - 20 °C / Inert atmosphere 3.1: guanidine carbonate / dichloromethane; ethyl acetate / 60 °C 3.2: 80 °C 4.1: sodium methylate; methanol / 30 - 40 °C View Scheme | |
Multi-step reaction with 4 steps 1: hydrazine / pyridine; acetic acid / 20 - 80 °C / Inert atmosphere 2: pyridine; dichloromethane / 0 - 20 °C / Inert atmosphere 3: guanidine hydrogen carbonate; triethylamine hydrofluoride / ethyl acetate / 20 - 80 °C 4: sodium methylate / methanol / 30 - 40 °C View Scheme |
2-chloro-9-(3',5'-di-O-benzoyl-2'-O-trifluoromethylsulfonyl-β-D-ribofuranosyl)adenine
clofarabine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: N-ethyl-N,N-diisopropylamine; triethylamine tris(hydrogen fluoride) / toluene / 48 h / 35 - 40 °C 2: sodium methylate / methanol / 0.5 h / 30 °C View Scheme |
2-deoxy-2-fluoro-3,5-di-O-benzoyl-α-D-arabinofuranosyl bromide
clofarabine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodium iodide / acetonitrile; tert-Amyl alcohol / 24 h / 20 °C / Inert atmosphere 2: sodium methylate / methanol / 7 h / 33 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 2 steps 1.1: potassium tert-butylate / acetonitrile; 1,2-dichloro-ethane; tert-Amyl alcohol / 19 h / 50 °C / Inert atmosphere 2.1: sodium methylate / methanol / 5 h / 20 °C / Inert atmosphere 2.2: 20 - 64 °C View Scheme | |
Multi-step reaction with 3 steps 1: calcium hydride; sodium hydride / dichloromethane; acetonitrile / 20 °C / Inert atmosphere 2: ammonia / acetonitrile / 20 °C 3: sodium methylate / methanol / 0.67 h / 30 - 35 °C View Scheme |
clofarabine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: hydrogenchloride / water / pH 7.5 2: recombinant E.coli purine nucleoside phosphorylase / water / 168 h / 52 °C / Enzymatic reaction View Scheme |
2-chloroadenine
1-(2'-deoxy-2'-fluoro-β-D-arabinofuranosyl)uracil
clofarabine
Conditions | Yield |
---|---|
Stage #1: 2-chloroadenine; 1-(2'-deoxy-2'-fluoro-β-D-arabinofuranosyl)uracil In aq. buffer at 50℃; for 0.5h; pH=6.5; Stage #2: With nucleoside deoxyribosyltransferase enzyme (NDT enzyme) In aq. buffer at 50℃; Concentration; Solvent; Temperature; Enzymatic reaction; |
2-Chloroadenosine
clofarabine
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: pyridine / acetonitrile / 0.5 h / -5 - 5 °C 1.2: Reflux 2.1: pyridine / dichloromethane / 0.5 h / -10 - 0 °C / Inert atmosphere 3.1: N-ethyl-N,N-diisopropylamine; triethylamine tris(hydrogen fluoride) / toluene / 48 h / 35 - 40 °C 4.1: sodium methylate / methanol / 0.5 h / 30 °C View Scheme | |
Multi-step reaction with 4 steps 1: pyridine / acetonitrile / 0.5 h / -5 - 5 °C 2: pyridine / dichloromethane / 0.5 h / -10 - 0 °C / Inert atmosphere 3: N-ethyl-N,N-diisopropylamine; triethylamine tris(hydrogen fluoride) / toluene / 48 h / 35 - 40 °C 4: sodium methylate / methanol / 0.5 h / 30 °C View Scheme |
G
clofarabine
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: hydrogenchloride; potassium dihydrogenphosphate; potassium hydroxide / water; dimethyl sulfoxide / 4 h / 58 - 61 °C / pH 7.1-7.2 / Enzymatic reaction 2.1: pyridine / acetonitrile / 0.5 h / -5 - 5 °C 2.2: Reflux 3.1: pyridine / dichloromethane / 0.5 h / -10 - 0 °C / Inert atmosphere 4.1: N-ethyl-N,N-diisopropylamine; triethylamine tris(hydrogen fluoride) / toluene / 48 h / 35 - 40 °C 5.1: sodium methylate / methanol / 0.5 h / 30 °C View Scheme | |
Multi-step reaction with 5 steps 1: hydrogenchloride; potassium dihydrogenphosphate; potassium hydroxide / water; dimethyl sulfoxide / 4 h / 58 - 61 °C / pH 7.1-7.2 / Enzymatic reaction 2: pyridine / acetonitrile / 0.5 h / -5 - 5 °C 3: pyridine / dichloromethane / 0.5 h / -10 - 0 °C / Inert atmosphere 4: N-ethyl-N,N-diisopropylamine; triethylamine tris(hydrogen fluoride) / toluene / 48 h / 35 - 40 °C 5: sodium methylate / methanol / 0.5 h / 30 °C View Scheme |
uridine
clofarabine
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: hydrogenchloride; potassium dihydrogenphosphate; potassium hydroxide / water; dimethyl sulfoxide / 4 h / 58 - 61 °C / pH 7.1-7.2 / Enzymatic reaction 2.1: pyridine / acetonitrile / 0.5 h / -5 - 5 °C 2.2: Reflux 3.1: pyridine / dichloromethane / 0.5 h / -10 - 0 °C / Inert atmosphere 4.1: N-ethyl-N,N-diisopropylamine; triethylamine tris(hydrogen fluoride) / toluene / 48 h / 35 - 40 °C 5.1: sodium methylate / methanol / 0.5 h / 30 °C View Scheme | |
Multi-step reaction with 5 steps 1: hydrogenchloride; potassium dihydrogenphosphate; potassium hydroxide / water; dimethyl sulfoxide / 4 h / 58 - 61 °C / pH 7.1-7.2 / Enzymatic reaction 2: pyridine / acetonitrile / 0.5 h / -5 - 5 °C 3: pyridine / dichloromethane / 0.5 h / -10 - 0 °C / Inert atmosphere 4: N-ethyl-N,N-diisopropylamine; triethylamine tris(hydrogen fluoride) / toluene / 48 h / 35 - 40 °C 5: sodium methylate / methanol / 0.5 h / 30 °C View Scheme |
1-O-acetyl-2,3,5-tri-O-benzoyl-D-ribofuranose
clofarabine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: hydrogen bromide; tetrabutyl ammonium fluoride / tetrahydrofuran / 3 h / Cooling with ice 1.2: 2 h 2.1: potassium tert-butylate; calcium hydride / acetonitrile; tert-butyl alcohol / 1 h / 60 °C 2.2: 10 h / 60 °C 3.1: sodium methylate; methanol / 2 h / 0 °C View Scheme |
clofarabine
tert-butyldimethylsilyl chloride
Conditions | Yield |
---|---|
With 1H-imidazole In N,N-dimethyl-formamide at 20℃; | 93% |
clofarabine
tert-butylchlorodiphenylsilane
Conditions | Yield |
---|---|
With 1H-imidazole In N,N-dimethyl-formamide at 0 - 20℃; Inert atmosphere; | 91% |
With 1H-imidazole In N,N-dimethyl-formamide at 0 - 20℃; for 8h; | 4.1 g |
With 1H-imidazole In N,N-dimethyl-formamide at 0 - 20℃; for 8h; | 4.1 g |
1,3-Dichloro-1,1,3,3-tetraisopropyldisiloxane
clofarabine
A
2-chloro-9-[2-deoxy-2-fluoro-3,5-O-(1,1,3,3-tetraisopropyldisiloxane-1,3-diyl)-β-D-arabinofuranosyl]adenine
B
2-chloro-9-[2-deoxy-2-fluoro-5-O-(1-hydroxy-1,1,3,3-tetraisopropyldisiloxane-3-yl)-β-D-arabinofuranosyl]adenine
C
C32H48Cl2F2N10O7Si2
Conditions | Yield |
---|---|
With pyridine at 20℃; for 24h; | A 87% B 9% C 2% |
clofarabine
9-(2-deoxy-2-fluoro-β-D-arabinofuranosyl)adenine
Conditions | Yield |
---|---|
With ammonia; hydrogen; palladium on activated charcoal In ethanol; water at 20℃; for 18h; | 82% |
With palladium 10% on activated carbon; hydrogen In methanol at 20℃; for 48h; | 57% |
clofarabine
Conditions | Yield |
---|---|
Stage #1: phosphoric acid-(2R-decyloxy-3-dodecyoxo)propyl ester With pyridine; 2,4,6-triisopropylphenylsulfonyl chloride at 20 - 25℃; for 1h; Inert atmosphere; Stage #2: clofarabine for 20h; Inert atmosphere; Stage #3: With sodium methylate In methanol pH=7; Inert atmosphere; | 76% |
benzoyl chloride
clofarabine
Conditions | Yield |
---|---|
Stage #1: clofarabine With pyridine; chloro-trimethyl-silane at 0℃; for 0.5h; Stage #2: benzoyl chloride at 20℃; for 24h; | 76% |
clofarabine
p-toluenesulfonyl chloride
Conditions | Yield |
---|---|
With pyridine at 0 - 20℃; for 24h; | 76% |
Conditions | Yield |
---|---|
With pyridine; 1-methyl-1H-imidazole In tetrahydrofuran at -80 - 20℃; for 12.2667h; | 66% |
P,P'-methanediyl-bis-phosphonic acid tetrachloride
clofarabine
Conditions | Yield |
---|---|
Stage #1: P,P'-methanediyl-bis-phosphonic acid tetrachloride; clofarabine With triethyl phosphate at 0℃; Inert atmosphere; Stage #2: | 63% |
di-tert-butyl dicarbonate
clofarabine
Conditions | Yield |
---|---|
With sodium hydroxide In tetrahydrofuran; water at 20℃; for 18h; | 58% |
With sodium hydroxide In tetrahydrofuran; water at 20℃; for 18h; | 58% |
clofarabine
Conditions | Yield |
---|---|
With lithium hydroxide; dihydrogen peroxide In water at 60℃; for 24h; | 48% |
Conditions | Yield |
---|---|
In methanol at 60℃; for 168h; Inert atmosphere; | 48% |
clofarabine
Conditions | Yield |
---|---|
With dihydrogen peroxide; lithium hydroxide In water at 60℃; for 24h; Inert atmosphere; | 48% |
clofarabine
Conditions | Yield |
---|---|
Stage #1: phosphoric acid-(2S-decyloxy-3-dodecyloxoy)propyl ester With pyridine; 2,4,6-triisopropylphenylsulfonyl chloride at 20 - 25℃; Inert atmosphere; Stage #2: clofarabine Inert atmosphere; Stage #3: With sodium methylate In methanol pH=7; Inert atmosphere; | 28% |
clofarabine
Conditions | Yield |
---|---|
With sodium hydroxide In dimethyl sulfoxide at 54℃; for 3.5h; Inert atmosphere; | 25% |
Conditions | Yield |
---|---|
With copper(II) bis(trifluoromethanesulfonate); triethylamine In tetrahydrofuran at 20℃; for 12h; | 15% |
2-fluoro-9-(2-deoxy-2-fluoro-β-D-arabinofuranosyl)-9H-purin-6-amine
clofarabine
Conditions | Yield |
---|---|
With sodium hydroxide In water at 80℃; for 1.9h; Inert atmosphere; | 0.8% |
clofarabine
A
2-chloroadenine
B
2-deoxy-2-fluoro-α-D-arabinofuranose 1-phosphate
Conditions | Yield |
---|---|
With E. coli purine nucleoside phosphorylase Enzyme kinetics; Substitution; |
clofarabine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: 82 percent / H2; NH3 / Pd/C / ethanol; H2O / 18 h / 20 °C 2.1: pyridine / 18 h / 20 °C 2.2: 72 percent / pyridine / 18 h / 20 °C View Scheme |
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