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:4672-49-5
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Ethylene dimethanesulfonate cas 4672-49-5Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
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Min.Order:50 Gram
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inquiryUnited Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat
Ethylene glycol dimesylate Storage:Store in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/Pharmaceutical intermediates Transportation:By Sea,by Air,By courier like DHL or Fedx. Port:Shanghai/Shenzh
1.Company ProfileEstablished in 2018, Xi'an Confluore Biological Technology Co., Ltd. is a high-tech enterprise that develops and sells cutting-edge chemical reagents and biological reagents for scientific research. The company provides high-quality
Manufacturer,strong R&D,professional team Storage:Store in a cool, dry place. Store in a tightly closed container. Package:according to your requirement Application:ZhiShang Chemical is owned by ZhiShang Group, is a professional new-type chemicals en
high purity Application:Drug intermediates Materials intermediates and active molecules
ethylene glycol
methanesulfonyl chloride
1,2-bis(methanesulfonyloxy)ethane
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 0 - 20℃; for 3h; | 96% |
In tetrahydrofuran at 20℃; for 4h; Cooling with ice; | 94% |
With triethylamine In dichloromethane at 0 - 20℃; | 89% |
Conditions | Yield |
---|---|
With tetraethylammonium bromide |
methanesulfonic acid
2,3,5,6,8,9,11,12-octahydro-1,4,7,10,13-benzopentaoxacyclopentadecin
A
1,2-bis(methanesulfonyloxy)ethane
B
diethylene glycol dimesylate
C
1,2-bis<(methylsulfonyl)oxy>benzene
Conditions | Yield |
---|---|
With phosphorus pentoxide |
Conditions | Yield |
---|---|
With sodium hydroxide In N,N-dimethyl-formamide at 90 - 120℃; for 4h; |
1,2-bis(methanesulfonyloxy)ethane
(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
Conditions | Yield |
---|---|
Stage #1: (S)-N-(tert-butoxycarbonyl)tyrosine methyl ester With sodium hydride In tetrahydrofuran; mineral oil at 20℃; for 0.5h; Inert atmosphere; Stage #2: 1,2-bis(methanesulfonyloxy)ethane In tetrahydrofuran; mineral oil for 4h; Inert atmosphere; Reflux; | 93% |
Conditions | Yield |
---|---|
In acetonitrile at 80℃; for 72h; Inert atmosphere; | 90.4% |
1,2-bis(methanesulfonyloxy)ethane
2-methoxy-phenol
1,2-bis(2’-methoxyphenoxy)ethane
Conditions | Yield |
---|---|
Stage #1: 2-methoxy-phenol With caesium carbonate In acetonitrile at 20℃; for 3h; Inert atmosphere; Reflux; Stage #2: 1,2-bis(methanesulfonyloxy)ethane In acetonitrile for 24h; Inert atmosphere; Reflux; | 90% |
Conditions | Yield |
---|---|
at 60℃; for 48h; | 88% |
1,2-bis(methanesulfonyloxy)ethane
(R,R)-N,N'-(Cyclohexane-1,2-diyl)-N,N',N'',N'''-tetrakis(p-toluenesulfonyl)bis(3-oxapentane-1,5-diamine)
(1R,18R)-2,8,11,17-Tetrakis(p-toluenesulfonyl)-5,14-dioxa-2,8,11,17-tetraazabicyclo[16.4.0]docosane
Conditions | Yield |
---|---|
With caesium carbonate In acetonitrile for 96h; Cyclization; Substitution; Heating; | 87% |
1,2-bis(methanesulfonyloxy)ethane
dimethyl 1-benzyl-3,4-dihydroxypyrrole-2,5-dicarboxylate
dimethyl 1-benzyl-3,4-ethylenedioxypyrrole-2,5-dicarboxylate
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 130℃; for 8h; | 86% |
1,2-bis(methanesulfonyloxy)ethane
N-(5-fluoro-2-phenoxy-phenyl)-N-[2-(2-mesyloxy-ethoxy)-5-methoxybenzyl]-acetamide
Conditions | Yield |
---|---|
With caesium carbonate In N,N-dimethyl-formamide at 0 - 70℃; for 6.5h; Product distribution / selectivity; | 85% |
1,2-bis(methanesulfonyloxy)ethane
9H-carbazole
methanesulfonic acid 2-carbazol-9-ylethyl ester
Conditions | Yield |
---|---|
Stage #1: 9H-carbazole With sodium hydride In tetrahydrofuran for 1h; Stage #2: 1,2-bis(methanesulfonyloxy)ethane In tetrahydrofuran at 20℃; for 2h; | 83% |
2-methyl-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole
1,2-bis(methanesulfonyloxy)ethane
Conditions | Yield |
---|---|
Stage #1: 2-methyl-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole With sodium hydride In tetrahydrofuran for 2h; Stage #2: 1,2-bis(methanesulfonyloxy)ethane In tetrahydrofuran at 20℃; for 6h; | 81% |
1,2-bis(methanesulfonyloxy)ethane
(R,R)-1,2-bis(tosylamino)cyclohexane
(1S,9S,14S,22S)-2,8,15,21-Tetrakis(p-toluenesulfonyl)-5,18-dioxa-2,8,15,21-tetraazatricyclo[20.4.0.09,14]hexacosane
Conditions | Yield |
---|---|
With caesium carbonate In acetonitrile for 96h; Cyclization; Substitution; Heating; | 80% |
1,2-bis(methanesulfonyloxy)ethane
2.8-dimethyl-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole
Conditions | Yield |
---|---|
Stage #1: 2.8-dimethyl-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole With sodium hydride In tetrahydrofuran for 2h; Stage #2: 1,2-bis(methanesulfonyloxy)ethane In tetrahydrofuran at 20℃; for 6h; | 79% |
2-hydroxy-5-methoxybenzaldehyde
1,2-bis(methanesulfonyloxy)ethane
5-methoxy-2-(2-mesyloxyethoxy)-benzaldehyde
Conditions | Yield |
---|---|
With caesium carbonate In N,N-dimethyl-formamide at 0 - 70℃; for 5h; | 78% |
1,2-bis(methanesulfonyloxy)ethane
1,8-bis(2-hydroxyphenoxy)-3,6-dioxaoctane
6,7,9,10,12,13,20,21-octahydrodibenzo[b,h][1,4,7,10,13,16]hexaoxacyclooctadecine
Conditions | Yield |
---|---|
Stage #1: 1,8-bis(2-hydroxyphenoxy)-3,6-dioxaoctane With caesium carbonate In acetonitrile for 3h; Reflux; Inert atmosphere; Stage #2: 1,2-bis(methanesulfonyloxy)ethane In acetonitrile Inert atmosphere; Reflux; | 75% |
Conditions | Yield |
---|---|
With potassium phosphate; bis[chloro(1,2,3-trihapto-allylbenzene)palladium(II)]; N-[2-(di(1-adamantyl)phosphino)phenyl]morpholine In 1,4-dioxane; tert-butyl alcohol at 110℃; Buchwald-Hartwig Coupling; Inert atmosphere; Glovebox; chemoselective reaction; | 75% |
1,2-bis(methanesulfonyloxy)ethane
9H-carbazole
1,2-di(9H-carbazol-9-yl)ethane
Conditions | Yield |
---|---|
Stage #1: 9H-carbazole With sodium hydride In tetrahydrofuran for 1h; Stage #2: 1,2-bis(methanesulfonyloxy)ethane In tetrahydrofuran at 20℃; for 2h; | 75% |
1,2-bis(methanesulfonyloxy)ethane
2-ethyl-8-methyl-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole
Conditions | Yield |
---|---|
Stage #1: 2-ethyl-8-methyl-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole With sodium hydride In tetrahydrofuran for 2h; Stage #2: 1,2-bis(methanesulfonyloxy)ethane In tetrahydrofuran at 20℃; for 6h; | 74% |
Conditions | Yield |
---|---|
Stage #1: 9H-carbazole With sodium hydride In tetrahydrofuran for 1h; Stage #2: 1,2-bis(methanesulfonyloxy)ethane In tetrahydrofuran at 60℃; for 8h; | 73% |
1,2-bis(methanesulfonyloxy)ethane
4-hydroxy-benzaldehyde
1,2-bis(4-formylphenoxy)ethane
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile at 80℃; for 16h; | 68% |
5-(benzyloxy)-2-(4-hydroxyphenyl)-7-(methoxymethoxy)-4H-chromen-4-one
1,2-bis(methanesulfonyloxy)ethane
1,4-bis[4-((5-benzyloxy-7-methoxymethoxy)-4H-chromen-4-on-2-yl)phenyl]-1,4-dioxabutane
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide Heating; | 63% |
With potassium carbonate In N,N-dimethyl-formamide for 2 - 3h; | 63% |
bis(2-hydroxyphenoxyethyl)ether
1,2-bis(methanesulfonyloxy)ethane
6,7,9,10,17,18-hexahydrodibenzo[b,h][1,4,7,10,13]pentaoxacyclopentadecine
Conditions | Yield |
---|---|
Stage #1: bis(2-hydroxyphenoxyethyl)ether With caesium carbonate In acetonitrile for 3h; Reflux; Inert atmosphere; Stage #2: 1,2-bis(methanesulfonyloxy)ethane In acetonitrile Inert atmosphere; Reflux; | 57% |
1,2-bis(methanesulfonyloxy)ethane
2-azido-O-methanesulphonyl-ethanol
Conditions | Yield |
---|---|
With sodium azide In acetonitrile for 12h; Heating; | 46% |
With sodium azide In acetonitrile | 42% |
With sodium azide In acetonitrile at 60℃; for 22h; | 40% |
Conditions | Yield |
---|---|
With potassium carbonate at 80℃; | 40% |
1,2-bis(methanesulfonyloxy)ethane
Conditions | Yield |
---|---|
With sodium hydride In N,N-dimethyl-formamide; mineral oil at 80℃; for 2h; Inert atmosphere; | 27% |
oxalyl difluoride
1,2-bis(methanesulfonyloxy)ethane
2,2,3,3-tetrafluoro-1,4-dioxan
Conditions | Yield |
---|---|
With potassium fluoride; cesium fluoride In diethylene glycol dimethyl ether at 85℃; for 8h; | 14% |
1,2-bis(methanesulfonyloxy)ethane
perfluoropyruvic acid fluoride
2,2,3-trifluoro-3-(trifluoromethyl)-1,4-dioxane
Conditions | Yield |
---|---|
With potassium fluoride In various solvent(s) at 110℃; for 24h; | 4.4% |
C19H21Cl2FN6O
1,2-bis(methanesulfonyloxy)ethane
Conditions | Yield |
---|---|
Stage #1: C19H21Cl2FN6O; 1,2-bis(methanesulfonyloxy)ethane With potassium hydroxide In acetonitrile at 20℃; for 24h; Heating / reflux; Stage #2: With hydrogenchloride In water; acetonitrile at 20℃; pH=3 - 4; | A 1% B n/a C n/a |
C19H21Cl2FN6O
1,2-bis(methanesulfonyloxy)ethane
Conditions | Yield |
---|---|
With potassium hydroxide In acetonitrile at 20℃; for 24h; Product distribution / selectivity; Heating / reflux; | A 1% B n/a |
1,2-Pyrrolidinedicarboxylicacid, 4-cyclohexyl-, 1-(9H-fluoren-9-ylmethyl) ester, (2S,4S)-
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