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
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inquiryOur main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block
Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
J&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
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inquiryZibo 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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inquiryAnsciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
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inquiryProduct Description Description & Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard
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inquiryStrict quality control system and PHD We has passed through the ISO9001:2016 Quality System Certificate, we have strict quality control system. we have about 300 employees, including 90 full-time PHD 15 PHD and masters above, 153 undergraduates
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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
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inquiryShanghai, Run-Biotech Co., Ltd is a leading domestic pharmaceutical, biopharmaceutical, and health care products R & D outsourcing services company. As an innovation-driven and customer-focused company, Run Biotech provides a broad and integrated por
Ethene, 1,1'-oxybis-(9CI) Storage:keep in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/pharma intermediate Transportation:By Sea,by Air,By courier like DHL or Fedx. Port:Shanghai/Shenzhen
Supply top quality products with a reasonable price Application:api
3-oxa-1,5-dichloropentane
methylamine
A
4-methyl-morpholine
B
1,1'-oxybisethene
Conditions | Yield |
---|---|
With sodium hydroxide In water at 90 - 95℃; for 4h; | A 50% B 10% |
3-oxa-1,5-dichloropentane
methylamine
A
1,4-dioxane
B
4-methyl-morpholine
C
1,1'-oxybisethene
D
2-chloroetyl vinyl ether
Conditions | Yield |
---|---|
With sodium hydroxide In water at 90 - 95℃; for 4h; | A 12% B 25% C 20% D 7% |
Conditions | Yield |
---|---|
With potassium hydroxide at 105 - 110℃; for 5h; | 15% |
With potassium hydroxide at 105 - 110℃; for 5h; | 15% |
Conditions | Yield |
---|---|
With silver(l) oxide |
Conditions | Yield |
---|---|
With triethanolamine |
Conditions | Yield |
---|---|
With potassium hydroxide | |
With potassium hydroxide; tert-Amyl alcohol | |
With potassium hydroxide; diethylene glycol |
Conditions | Yield |
---|---|
With sodium hydroxide |
ammonia
3-oxa-1,5-dichloropentane
A
1,4-dioxane
B
1,1'-oxybisethene
C
acetaldehyde
D
2-chloroetyl vinyl ether
Conditions | Yield |
---|---|
at 200 - 280℃; weitere Prod.: Acetylen, Wasserstoff und Aethylenoxyd; |
3-oxa-1,5-dichloropentane
A
1,4-dioxane
B
1,1'-oxybisethene
C
acetaldehyde
D
2-chloroetyl vinyl ether
Conditions | Yield |
---|---|
at 200 - 220℃; |
Conditions | Yield |
---|---|
at 190 - 200℃; |
A
2-methyl-1,3-dioxolane
B
1,4-dioxane
C
1,1'-oxybisethene
D
cyclohexa-1,4-diene
E
cyclohexene
F
benzene
Conditions | Yield |
---|---|
at 320℃; for 0.00833333h; Product distribution; Mechanism; other temperatures; |
A
2-methyl-1,3-dioxolane
B
1,4-dioxane
C
15-crown-5
D
1,1'-oxybisethene
E
1,2,3,4,5,6-hexadeuterio-1,4-cyclohexadiene
Conditions | Yield |
---|---|
at 320℃; Product distribution; Mechanism; |
Conditions | Yield |
---|---|
In tert-butyl alcohol |
Conditions | Yield |
---|---|
With acetal cracking catalyst at 200℃; Reagent/catalyst; Temperature; Molecular sieve; |
1,1'-oxybisethene
tributyltin chloride
1-(tributhylstannyl)ethenyl ethenyl ether
Conditions | Yield |
---|---|
With n-butyllithium; potassium tert-butylate In tetrahydrofuran divinyl ether treated with n-BuLi and KO-t-Bu in THF at -78°C; reacted with (N-Bu)3SnCl; | 98% |
1,1'-oxybisethene
Conditions | Yield |
---|---|
With rhodium (II) octanoate dimer In chloroform at 140℃; for 0.333333h; Microwave irradiation; Sealed tube; | 96% |
Conditions | Yield |
---|---|
With hydrogenchloride In n-heptane; water at -10 - 5℃; for 0.5h; | 95% |
1,1'-oxybisethene
trifluoroacetic acid
4-ethoxy-1,1,1-trifluoro-3-butene-2-one
Conditions | Yield |
---|---|
Stage #1: trifluoroacetic acid With pyridine In dichloromethane at -5℃; for 3.66667h; Autoclave; Large scale; Stage #2: 1,1'-oxybisethene With methanesulfonyl chloride In dichloromethane at -5 - 20℃; Temperature; Large scale; | 94.2% |
1,1'-oxybisethene
Conditions | Yield |
---|---|
With rhodium (II) octanoate dimer In chloroform at 140℃; for 0.333333h; Microwave irradiation; Sealed tube; | 93% |
Conditions | Yield |
---|---|
With selenium(II) chloride In chloroform at -50℃; | 92% |
With chloroform; bromine | |
With bromine | |
With bromine In tetrachloromethane |
1,1'-oxybisethene
2-fluoro-2,2-dinitroethanol
A
2-fluoro-2,2-dinitroethoxy ethyl vinyl ether
B
[1-(2-Fluoro-2,2-dinitro-ethoxy)-ethoxy]-ethene
C
1-Fluoro-2-{1-[1-(2-fluoro-2,2-dinitro-ethoxy)-ethoxy]-ethoxy}-1,1-dinitro-ethane
Conditions | Yield |
---|---|
With trifluoroacetic acid; mercury(II) sulfate In dichloromethane Heating; | A 11% B 5.3% C 83.7% |
1,1'-oxybisethene
2-fluoro-2,2-dinitroethanol
A
[1-(2-Fluoro-2,2-dinitro-ethoxy)-ethoxy]-ethene
B
1-Fluoro-2-{1-[1-(2-fluoro-2,2-dinitro-ethoxy)-ethoxy]-ethoxy}-1,1-dinitro-ethane
Conditions | Yield |
---|---|
mercury(II) sulfate In dichloromethane for 16h; Ambient temperature; | A 18% B 82% |
mercury(II) sulfate In dichloromethane for 16h; | A 78% B 22% |
1,1'-oxybisethene
Conditions | Yield |
---|---|
With rhodium (II) octanoate dimer In chloroform at 140℃; for 0.333333h; Microwave irradiation; Sealed tube; | 82% |
1,1'-oxybisethene
dimethyl 2,2-dicyanoethene-1,1-dicarboxylate
Conditions | Yield |
---|---|
In [D3]acetonitrile at 20℃; for 48h; | 80% |
1,1'-oxybisethene
Conditions | Yield |
---|---|
With rhodium (II) octanoate dimer In chloroform at 140℃; for 0.333333h; Microwave irradiation; Sealed tube; | 80% |
Conditions | Yield |
---|---|
at 0 - 50℃; for 2.5h; Time; | 75% |
1,1'-oxybisethene
Conditions | Yield |
---|---|
With phosphorus pentachloride In benzene for 24h; | 74.3% |
Conditions | Yield |
---|---|
With 8-quinolinol; copper(II) sulfate In toluene at 100℃; for 10h; Inert atmosphere; Sealed tube; Green chemistry; | 74% |
1,1'-oxybisethene
Conditions | Yield |
---|---|
With 8-quinolinol; copper(II) sulfate In toluene at 100℃; for 10h; Inert atmosphere; Sealed tube; Green chemistry; | 73% |
1,1'-oxybisethene
methyl difluoroiodoacetate
2,2-Difluoro-3-(4-iodomethyl-tetrahydro-furan-3-yl)-propionic acid methyl ester
Conditions | Yield |
---|---|
copper In N,N-dimethyl-formamide for 15h; | 72% |
1,1'-oxybisethene
Conditions | Yield |
---|---|
With sulfur dichloride In ethyl acetate at 35℃; for 1h; Product distribution; general reaction; different solvents and temperature; cis-trans ratio; | 72% |
With sulfur dichloride In dichloromethane at 40℃; for 0.25h; | 72% |
Conditions | Yield |
---|---|
With trifluoroacetic acid; mercury(II) oxide In dichloromethane for 17.5h; Heating; | 64.2% |
1,1'-oxybisethene
2-fluoro-2,2-dinitroethanol
A
2-fluoro-2,2-dinitroethoxy ethyl vinyl ether
B
acetaldehyde
Conditions | Yield |
---|---|
With trifluoroacetic acid; mercury(II) oxide In dichloromethane for 16.5h; Product distribution; Heating; other catalysts; | A 64% B n/a |
With trifluoroacetic acid; mercury(II) oxide In dichloromethane for 16.5h; Heating; | A 64% B n/a |
1,1'-oxybisethene
1-acetoxy-4-methyl-2-formylnaphthalene diethylacetal
2-acetoxy-5-methyl-3,4-benzocinnamaldehyde
Conditions | Yield |
---|---|
With zinc(II) chloride In ethyl acetate | 63% |
ethoxydiethylsilane
1,1'-oxybisethene
diethylethoxy(2-vinylethyl)silane
Conditions | Yield |
---|---|
With dihydrogen hexachloroplatinate In isopropyl alcohol at 100℃; for 10h; | 59% |
dihydrogen hexachloroplatinate |
Conditions | Yield |
---|---|
In [D3]acetonitrile at -42 - -22℃; | 55% |
1,1'-oxybisethene
topotecan hydrochloride
N,N-dimethyl-formamide
Conditions | Yield |
---|---|
In water at 70℃; for 10h; | 55% |
dimethyl(ethoxy)silane
1,1'-oxybisethene
dimethylethoxy(2-vinyl)silane
Conditions | Yield |
---|---|
With dihydrogen hexachloroplatinate In isopropyl alcohol at 100℃; for 10h; | 53% |
Conditions | Yield |
---|---|
With 8-quinolinol; copper(II) sulfate In toluene at 100℃; for 4h; Inert atmosphere; Sealed tube; Green chemistry; | 51% |
Conditions | Yield |
---|---|
With 8-quinolinol; copper(II) sulfate In toluene at 100℃; for 10h; Inert atmosphere; Sealed tube; Green chemistry; | 49% |
chloromethyldimethylsilane
1,1'-oxybisethene
chloromethyl(2-vinyloxyethyl)dimethylsilane
Conditions | Yield |
---|---|
With dihydrogen hexachloroplatinate In isopropyl alcohol at 80℃; for 13h; | 46% |
1,1'-oxybisethene
2-fluoro-2,2-dinitroethanol
2-fluoro-2,2-dinitroethoxy ethyl vinyl ether
Conditions | Yield |
---|---|
mercury(II) oxide In dichloromethane Heating; | 30% |
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