1、Methacide<10%,HPLC>90% 2、甲苯<1.0%,HPLC>98% Application:Tenofovir Disoproxil intermediate
Cas:31618-90-3
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inquiryAs 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:31618-90-3
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inquiryUnique advantages Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Light yellow to colorless oily liquid Storage:cool dry place Package:25kg/drum;200kg/drum Application:pharmaceutic
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inquiryHebei yanxi chemical co. LTD. has expanded a compositive entity from initially only as a small manufacturer. The company dedicated to the development, production and marketing of chemicals. After many years of efforts, we have established stable
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inquiryProduct description: Product name Diethyl (tosyloxy)methylphosphonate CAS number 31618-90-3 Assay ≥98% Appearance Yellowish or colorless transparent liquid Capacity 200mt/year A
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inquiry1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
Cas:31618-90-3
Min.Order:1 Gram
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inquiryCangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new api, intermedi
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inquiryCompetitive Price High Quality Fast Delivery custom-made Welcome to Henan Tianfu Chemical Co., Ltd. website. Our company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; development of noble me
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inquiryProduct Name: Diethyl (tosyloxy)methylphosphonate Synonyms: DIETHYL 4-TOLUENESULFONYLOXYMETHYLPHOSPHONATE;diethyl [[[(4-tolyl)sulfonyl]oxy]methyl]phosphonate;(DIETHOXYPHOSPHORYL)METHYL 4-METHYLBENZENESULFON
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Min.Order:1 Kilogram
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Min.Order:10 Gram
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Min.Order:1 Kilogram
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inquiryDiethyl (tosyloxy)methylphosphonate CAS:31618-90-3 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 quali
Cas:31618-90-3
Min.Order:1 Gram
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inquiryHello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai
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Min.Order:1 Kilogram
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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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Cas:31618-90-3
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inquiryA 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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inquiryProduct Name: 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone Synonyms: 2,3-DICHLORO-5,6-DICYANO-1,4-BENZOQUINONE pure;4,5-Dichloro-3,6-dioxo-1,4-cyclohexadiene-1,2-dicarbonitrile, DDQ;2,3-Dicyano-5,6-dichloro-2,5-cyclohexadiene-1,4-dione;3,6-Dihydro-3
Cas:31618-90-3
Min.Order:100 Gram
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Min.Order:1 Gram
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inquirydiethyl (1-hydroxymethyl)phosphonate
p-toluenesulfonyl chloride
diethyl (p-toluenesulfonyloxymethane)phosphonate
Conditions | Yield |
---|---|
With triethylamine In diethyl ether | 97% |
In water at 3 - 35℃; for 14.5h; Temperature; | 95.4% |
With triethylamine In dichloromethane at 20℃; for 4h; Inert atmosphere; | 92% |
diethyl (1-hydroxymethyl)phosphonate
p-toluenesulfonyl chloride
B
diethyl (p-toluenesulfonyloxymethane)phosphonate
Conditions | Yield |
---|---|
With magnesium carbonate In water at 65℃; for 20h; | A n/a B 91% |
hydroxymethyl-phosphonic acid dimethyl ester
p-toluenesulfonyl chloride
diethyl (p-toluenesulfonyloxymethane)phosphonate
Conditions | Yield |
---|---|
With sodium hydroxide In dichloromethane at 5 - 10℃; for 3h; | 86.5% |
formaldehyd
phosphonic acid diethyl ester
p-toluenesulfonyl chloride
diethyl (p-toluenesulfonyloxymethane)phosphonate
Conditions | Yield |
---|---|
Stage #1: formaldehyd; phosphonic acid diethyl ester With triethylamine In toluene at 85 - 90℃; for 3h; Heating / reflux; Stage #2: p-toluenesulfonyl chloride With triethylamine at 4 - 20℃; for 14.75h; | 77.6% |
Stage #1: formaldehyd; phosphonic acid diethyl ester With triethylamine In toluene at 90 - 125℃; for 5h; Inert atmosphere; Stage #2: p-toluenesulfonyl chloride With triethylamine In toluene at 0 - 20℃; | 47% |
Stage #1: formaldehyd; phosphonic acid diethyl ester With triethylamine In toluene at 70℃; Inert atmosphere; Reflux; Stage #2: p-toluenesulfonyl chloride With triethylamine In toluene at 5 - 20℃; Inert atmosphere; | |
Stage #1: formaldehyd; phosphonic acid diethyl ester With triethylamine In toluene at 87℃; for 2h; Stage #2: p-toluenesulfonyl chloride In toluene | |
Stage #1: formaldehyd; phosphonic acid diethyl ester With triethylamine In toluene at 87℃; for 3h; Inert atmosphere; Reflux; Stage #2: p-toluenesulfonyl chloride With triethylamine In toluene at -2 - 22℃; Inert atmosphere; |
formaldehyd
Diethyl phosphonate
p-toluenesulfonyl chloride
diethyl (p-toluenesulfonyloxymethane)phosphonate
Conditions | Yield |
---|---|
Stage #1: formaldehyd; Diethyl phosphonate With triethylamine In toluene at 85 - 90℃; for 3h; Heating / reflux; Stage #2: p-toluenesulfonyl chloride In toluene at 4 - 20℃; for 14.75h; | 77.6% |
Stage #1: formaldehyd; Diethyl phosphonate With triethylamine In toluene at 85 - 90℃; for 3h; Heating / reflux; Stage #2: p-toluenesulfonyl chloride With triethylamine In toluene at 4 - 20℃; for 14.75h; | 77.6% |
diethyl (1-hydroxymethyl)phosphonate
diethyl (p-toluenesulfonyloxymethane)phosphonate
Conditions | Yield |
---|---|
With triethylamine In diethyl ether at -10 - 20℃; for 17h; | 75% |
diethyl (p-toluenesulfonyloxymethane)phosphonate
(R)-9-[3-trityloxy-2-hydroxypropyl]-N6-(4-monomethoxytrityl)adenine
diethyl (R)-9-[3-trityloxy-2-(phosphonomethoxy)propyl]-N6-(4-monomethoxytrityl)adenine
Conditions | Yield |
---|---|
With sodium t-butanolate In N,N-dimethyl-formamide at 80℃; | 99% |
diethyl (p-toluenesulfonyloxymethane)phosphonate
3-trifluoromethyl-2-mercaptopyridine
Conditions | Yield |
---|---|
With caesium carbonate In N,N-dimethyl-formamide at 20℃; for 12h; | 99% |
diethyl (p-toluenesulfonyloxymethane)phosphonate
4-benzyloxybutanal
Conditions | Yield |
---|---|
With triethylamine; lithium chloride In acetonitrile at 20℃; for 18h; Horner-Wadsworth-Emmons Olefination; | 98% |
diethyl (p-toluenesulfonyloxymethane)phosphonate
{[(4-methylbenzenesulfonyl)oxy]methyl}phosphonic acid
Conditions | Yield |
---|---|
With trimethylsilyl bromide In acetonitrile at 30℃; for 24h; Solvent; Reagent/catalyst; Temperature; Cooling with ice; | 98% |
With trimethylsilyl bromide In dichloromethane at 20℃; for 12h; | 97% |
diethyl (p-toluenesulfonyloxymethane)phosphonate
3,5-bis(trifluoromethyl)thiophenol
(2-ethyl)bistrifluoromethyl thiophenolmethylphosphoric acid ethyl ester
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 5h; | 94% |
With potassium carbonate In N,N-dimethyl-formamide at 20℃; | 89% |
diethyl (p-toluenesulfonyloxymethane)phosphonate
Conditions | Yield |
---|---|
Stage #1: S-(((3aS,4S,6R,6aR)-6-(6-chloro-5-cyano-4-(((1S,3S)-3-fluorocyclobutyl)amino)-1H-pyrrolo[2,3-b]pyridin-1-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methyl) ethanethioate With sodium ethanolate In ethanol at 20℃; for 0.0833333h; Inert atmosphere; Stage #2: diethyl (p-toluenesulfonyloxymethane)phosphonate In ethanol at 56℃; for 2h; Inert atmosphere; | 90% |
diethyl (p-toluenesulfonyloxymethane)phosphonate
bis-(diethoxy)phosphorylmethyl disulfide
Conditions | Yield |
---|---|
With sulfur; sodium sulfide In ethanol Heating; | 89% |
4-Fluorothiophenol
diethyl (p-toluenesulfonyloxymethane)phosphonate
Conditions | Yield |
---|---|
With caesium carbonate In N,N-dimethyl-formamide at 20℃; | 88% |
With caesium carbonate In N,N-dimethyl-formamide at 20℃; for 12h; | 63% |
With caesium carbonate In N,N-dimethyl-formamide at 70℃; |
diethyl (p-toluenesulfonyloxymethane)phosphonate
2-mercapto-5-(trifluoromethyl)benzothiazole
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 12h; | 88% |
diethyl (p-toluenesulfonyloxymethane)phosphonate
Conditions | Yield |
---|---|
Stage #1: (±)-2-fluoro-4-(6-methoxy-9H-purin-9-yl)-2-cyclopenten-1-ol With lithium tert-butoxide In tetrahydrofuran at 0℃; for 1h; Inert atmosphere; Stage #2: diethyl (p-toluenesulfonyloxymethane)phosphonate In tetrahydrofuran at 30℃; for 192h; Inert atmosphere; | 88% |
diethyl (p-toluenesulfonyloxymethane)phosphonate
(R)-9-(2-hydroxypropyl)adenine
(S)-9-(2-phosphonylmethoxypropyl)adenine
Conditions | Yield |
---|---|
Stage #1: (R)-9-(2-hydroxypropyl)adenine With bis(isopropoxy) magnesium In N,N-dimethyl-formamide at 65℃; for 1h; Inert atmosphere; Stage #2: diethyl (p-toluenesulfonyloxymethane)phosphonate In N,N-dimethyl-formamide at 45 - 55℃; for 10h; Stage #3: With hydrogenchloride In water at 90℃; for 10h; | 88% |
diethyl (p-toluenesulfonyloxymethane)phosphonate
1-((diphenylmethylamino)methyl)cyclopropan-1-ol
Conditions | Yield |
---|---|
With lithium tert-butoxide In tetrahydrofuran at 60℃; Inert atmosphere; | 87.5% |
3-mercaptophenol
diethyl (p-toluenesulfonyloxymethane)phosphonate
Conditions | Yield |
---|---|
With caesium carbonate In N,N-dimethyl-formamide at 20℃; for 12h; | 87% |
diethyl (p-toluenesulfonyloxymethane)phosphonate
1-(6-chloro-9H-purin-9-yl)propan-2-ol
Conditions | Yield |
---|---|
Stage #1: 1-(6-chloro-9H-purin-9-yl)propan-2-ol With magnesium 2-methylpropan-2-olate In N,N-dimethyl-formamide at 70℃; for 0.5h; Stage #2: diethyl (p-toluenesulfonyloxymethane)phosphonate In N,N-dimethyl-formamide at 70℃; for 7h; Inert atmosphere; | 87% |
Conditions | Yield |
---|---|
Stage #1: fluconazole With sodium hydride In tetrahydrofuran at 20℃; for 1.08333h; Inert atmosphere; Stage #2: diethyl (p-toluenesulfonyloxymethane)phosphonate In tetrahydrofuran at 50℃; for 4h; Inert atmosphere; | 86.5% |
3-methoxybenzenethiol
diethyl (p-toluenesulfonyloxymethane)phosphonate
diethyl (((3-methoxyphenyl)thio)methyl)phosphonate
Conditions | Yield |
---|---|
With caesium carbonate In N,N-dimethyl-formamide at 20℃; | 86% |
With caesium carbonate In N,N-dimethyl-formamide at 20℃; for 12h; | 86% |
diethyl (p-toluenesulfonyloxymethane)phosphonate
Conditions | Yield |
---|---|
Stage #1: 4(5)-(3-bromophenyl)-1H-imidazole With sodium hydride In N,N-dimethyl-formamide at 20℃; for 0.5h; pH=1; Inert atmosphere; Stage #2: diethyl (p-toluenesulfonyloxymethane)phosphonate In N,N-dimethyl-formamide at 80℃; Inert atmosphere; | 86% |
diethyl (p-toluenesulfonyloxymethane)phosphonate
(R)-9-(2-hydroxypropyl)adenine
(R)-diethyl (((1-(6-amino-9H-purin-9-yl)propan-2-yl)oxy)methyl)phosphonate
Conditions | Yield |
---|---|
With magnesium 2-methylpropan-2-olate In N,N-dimethyl-formamide at 80℃; for 5h; Solvent; | 85% |
With sodium hydride In N,N-dimethyl-formamide at 0 - 20℃; | 44% |
Stage #1: (R)-9-(2-hydroxypropyl)adenine With sodium t-butanolate In N,N-dimethyl-formamide at 20℃; for 1h; Stage #2: diethyl (p-toluenesulfonyloxymethane)phosphonate In N,N-dimethyl-formamide for 64h; | 29% |
2-chlorothiphenol
diethyl (p-toluenesulfonyloxymethane)phosphonate
Conditions | Yield |
---|---|
With caesium carbonate In N,N-dimethyl-formamide at 20℃; for 12h; | 85% |
With caesium carbonate In N,N-dimethyl-formamide at 70℃; |
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