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
Cas:4546-04-7
Min.Order:4 Kilogram
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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
Cas:4546-04-7
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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:4546-04-7
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryDayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
Cas:4546-04-7
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryOur company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O
Cas:4546-04-7
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryWITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et
Cas:4546-04-7
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1.In No Less 10 years exporting experience. you can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specializ
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Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryP-XYLYLENEDIPHOSPHONIC ACID TETRAETHYL ESTER CAS:4546-04-7 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 hi
Cas:4546-04-7
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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
Cas:4546-04-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryOur Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter
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Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1111MicrosoftInternetExplorer402DocumentNotSpecified7.8 磅Normal0
Cas:4546-04-7
Min.Order:1 Kilogram
FOB Price: $1.0 / 3.0
Type:Lab/Research institutions
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
Cas:4546-04-7
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
Cas:4546-04-7
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as
Cas:4546-04-7
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
inquiryProduct name: tetraethyl terephthalate diphosphate. Synonym:TETRAETHYL-P-XYLYLENEBISPHOSPHONATE;TETRAETHYLP-XYLYLENEDIPHOSPHONATE;P-XYLYLENEDIPHOSPHONICACIDTETRAETHYLESTER;P-BIS(DIETHYLPHOSPHONO)XYLENE;NSC203064Chemicalbook;p-Xylenebis(diethylpho
Cas:4546-04-7
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiryHigh quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
Cas:4546-04-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:4546-04-7
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Type:Lab/Research institutions
inquirywe are professional Pharmaceutical company. We are specialized in manufacturing and R&D of API & Intermediates, Contract Manufacturing, Contract Research, and International Trading business as well. *We own a R&D center in Hangzho
Cas:4546-04-7
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryTAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp
Cas:4546-04-7
Min.Order:0
Negotiable
Type:Manufacturers
inquiryPhosphonic acid,P,P'-[1,4-phenylenebis(methylene)]bis-, P,P,P',P'-tetraethyl esterAppearance:detailed see specifications Storage:Keep away of light, cool place Package:25kg/drum;200kg/drum Application:It is an important raw material and intermediate
Cas:4546-04-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryPhosphonic acid,P,P'-[1,4-phenylenebis(methylene)]bis-, P,P,P',P'-tetraethyl ester cas 4546-04-7Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by
Cas:4546-04-7
Min.Order:0
Negotiable
Type:Other
inquiry1. Timely and efficient service to ensure communication with customers2. Produce products of different specifications and sizes according to your requirements.3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures sta
Cas:4546-04-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers.Appearance:White crystalline Application:Pharm intermediat
Cas:4546-04-7
Min.Order:0
Negotiable
Type:Trading Company
inquiry*stable and better quality products*efficient and meticulous servicesAppearance:Powder Storage:Store in dry, cool and ventilated place Package:10G/bottle 1kg/tin 5kg/tin 25kg/carton Application:Biology reagent Transportation:By sea By air By courier
Cas:4546-04-7
Min.Order:0
Negotiable
Type:Trading Company
inquirystock,low price,high quality,high purity,good sevice Application:R&D
Cas:4546-04-7
Min.Order:0
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Type:Lab/Research institutions
inquirygood quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:5g Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any port
Cas:4546-04-7
Min.Order:0
Negotiable
Type:Trading Company
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:4546-04-7
Min.Order:0
Negotiable
Type:Other
inquiryQuality assurance, stable process and affordable priceAppearance:detailed see specifications Storage:enquiry Package:according to the clients requirement Application:Pharmaceutical intermediates Transportation:Normal Port:chengdu
Cas:4546-04-7
Min.Order:0
Negotiable
Type:Trading Company
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China
Cas:4546-04-7
Min.Order:0
Negotiable
Type:Trading Company
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:4546-04-7
Min.Order:0
Negotiable
Type:Trading Company
inquiryp-Xylylene dichloride
triethyl phosphite
tetraethyl 1,4-xylylenediphosphonate
Conditions | Yield |
---|---|
for 24h; Reflux; | 99% |
Heating; | 98.6% |
at 147 - 159℃; Arbuzov reaction; | 98% |
1,4-bis(bromomethyl)benzene
triethyl phosphite
tetraethyl 1,4-xylylenediphosphonate
Conditions | Yield |
---|---|
at 185℃; for 6h; Arbusov reaction; | 97% |
for 5h; Inert atmosphere; Reflux; | 96% |
for 10h; Michaelis-Arbuzov reaction; Heating; | 93% |
1,4-bis(bromomethyl)benzene
triethyl phosphate
tetraethyl 1,4-xylylenediphosphonate
Conditions | Yield |
---|---|
for 5h; Reflux; Inert atmosphere; Schlenk technique; | 96% |
ethyl bromide
1.4-dibromobenzene
triethyl phosphite
tetraethyl 1,4-xylylenediphosphonate
Conditions | Yield |
---|---|
at 130℃; for 2h; | 89% |
Conditions | Yield |
---|---|
With triethyl phosphite for 8h; Heating / reflux; | 86.4% |
With triethyl phosphite for 8h; Heating / reflux; | 86.4% |
1,4-bis(bromomethyl)benzene
triethyl phosphite
A
tetraethyl 1,4-xylylenediphosphonate
B
4-(diethoxyphosphorylmethyl)-1-bromomethyl-phenyl
Conditions | Yield |
---|---|
at 120℃; for 3h; | A 11.8% B 48.5% |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 4.33 g / N-bromosuccinimide; azoisobutyronitrile / CCl4 / Heating 2: 5.24 g / 5 h / 160 °C View Scheme | |
Multi-step reaction with 2 steps 1: sodium bromate; sodium hydrogensulfite / water; ethyl acetate / 5 h 2: 16 h / 150 °C View Scheme | |
Multi-step reaction with 2 steps 1: sodium bromate; sodium hydrogensulfite / water; ethyl acetate / 5 h 2: 16 h / 150 °C View Scheme | |
Multi-step reaction with 2 steps 1: N-Bromosuccinimide; 1,1'-azobis(1-cyanocyclohexanenitrile) / benzene / 8 h / Reflux 2: benzene / 6 h / 120 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 90 percent / NBS; dibenzoyl peroxide / CCl4 / 4 h / Heating 2: 93 percent / 10 h / Heating View Scheme |
tetraethyl 1,4-xylylenediphosphonate
3-(trifluoromethoxy)benzaldehyde
Conditions | Yield |
---|---|
With sodium methylate In methanol; N,N-dimethyl-formamide at 80℃; for 2h; Horner-Wadsworth-Emmons reaction; | 99% |
tetraethyl 1,4-xylylenediphosphonate
4-methyl-benzaldehyde
(E,E)-4-methyl-4'-(4''-methylstyryl)stilbene
Conditions | Yield |
---|---|
With sodium hydride In N,N-dimethyl-formamide at 0 - 20℃; | 97% |
With potassium tert-butylate In tetrahydrofuran at 80℃; for 1h; | 68% |
Conditions | Yield |
---|---|
With hydrogenchloride In water for 20h; Reflux; | 96% |
With hydrogenchloride; water for 15h; Reflux; | 81.7% |
With hydrogenchloride; water for 12h; Hydrolysis; Heating; | 77% |
With hydrogenchloride at 150℃; | |
With hydrogenchloride Heating; | 0.65 g |
Conditions | Yield |
---|---|
With potassium tert-butylate In tetrahydrofuran at -70℃; for 12h; Inert atmosphere; | 94% |
Conditions | Yield |
---|---|
With sodium t-butanolate In tetrahydrofuran at -78 - 20℃; Horner-Wadsworth-Emmons Olefination; | 94% |
tetraethyl 1,4-xylylenediphosphonate
N,N-bis(4-bromophenyl)aminobenzaldehyde
Conditions | Yield |
---|---|
Stage #1: tetraethyl 1,4-xylylenediphosphonate With sodium t-butanolate In ethanol; water; N,N-dimethyl-formamide at 0℃; for 0.5h; Stage #2: N,N-bis(4-bromophenyl)aminobenzaldehyde In N,N-dimethyl-formamide at 0℃; for 4.5h; | 92.3% |
Conditions | Yield |
---|---|
Stage #1: C38H35NO2; tetraethyl 1,4-xylylenediphosphonate; benzaldehyde With potassium tert-butylate In tetrahydrofuran at 20℃; for 2h; Wittig-Horner reaction; Stage #2: With O,O-diethyl benzylphosphonate In tetrahydrofuran at 20℃; for 1h; Stage #3: With acetic acid In tetrahydrofuran | 92% |
Conditions | Yield |
---|---|
With sodium methylate In methanol; N,N-dimethyl-formamide Horner-Wadsworth-Emmons Olefination; Heating; | 92% |
tetraethyl 1,4-xylylenediphosphonate
4-methoxy-benzaldehyde
(E,E)-1,4-bis[2-(4-methoxyphenyl)-ethenyl]benzene
Conditions | Yield |
---|---|
With sodium methylate In methanol; N,N-dimethyl-formamide at 80℃; for 2h; Horner-Wadsworth-Emmons reaction; | 91% |
With sodium methylate |
4-[2-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]ethoxy]-benzaldehyde
tetraethyl 1,4-xylylenediphosphonate
E,E-1,4-bis-4,4'-(2-(2-(2-(2-hydroxyethoxy)ethoxy)ethoxy)ethoxy)styrylbenzene
Conditions | Yield |
---|---|
With potassium tert-butylate In N,N-dimethyl-formamide at 0 - 20℃; for 12.75h; | 91% |
tetraethyl 1,4-xylylenediphosphonate
3,4-dimethoxy-benzaldehyde
1,1'-{1,4-phenylenebis[(E)-ethen-2,1-diyl]}bis(3,4-dimethoxybenzene)
Conditions | Yield |
---|---|
Stage #1: tetraethyl 1,4-xylylenediphosphonate With sodium hydride In N,N-dimethyl-formamide at 0℃; for 0.5h; Inert atmosphere; Stage #2: 3,4-dimethoxy-benzaldehyde In N,N-dimethyl-formamide at 10 - 65℃; for 26.5h; Wittig-Horner Reaction; Inert atmosphere; | 91% |
With sodium hydride In tetrahydrofuran at 20℃; for 13h; Horner-Wadsworth-Emmons Olefination; | 44% |
Conditions | Yield |
---|---|
With potassium tert-butylate In N,N-dimethyl-formamide at 20 - 50℃; Horner-Wadsworth-Emmons reaction; | 90% |
3,5-dimethylbenzaldehyde
tetraethyl 1,4-xylylenediphosphonate
1,4-bis(3,5-dimethylstyryl)benzene
Conditions | Yield |
---|---|
With potassium tert-butylate In tetrahydrofuran at 70℃; | 89.4% |
Conditions | Yield |
---|---|
With sodium t-butanolate In tetrahydrofuran at -78 - 20℃; Horner-Wadsworth-Emmons Olefination; | 89% |
2,5-bis(octyloxy)-4-(4-[2,2′:6′,2″]terpyridin-4′-ylphenylethynyl)benzaldehyde
tetraethyl 1,4-xylylenediphosphonate
Conditions | Yield |
---|---|
With potassium tert-butylate In toluene for 12h; Horner-Wadsworth-Emmons olefination; Reflux; | 88% |
tetraethyl 1,4-xylylenediphosphonate
3,4-ethylenedioxythiophene-2-carboxaldehyde
Conditions | Yield |
---|---|
With sodium hydride In N,N-dimethyl-formamide at 20℃; for 10h; Condensation; Wittig-Horner; | 87% |
Conditions | Yield |
---|---|
With potassium tert-butylate In N,N-dimethyl-formamide for 0.5h; Horner-Wadsworth-Emmons reaction; Heating; | 87% |
With potassium tert-butylate In N,N-dimethyl-formamide at 20 - 50℃; Horner-Wadsworth-Emmons reaction; | 87% |
With potassium tert-butylate In tetrahydrofuran at 0 - 20℃; for 12h; Wittig-Horner reaction; Inert atmosphere; | 86% |
With sodium ethanolate In N,N-dimethyl-formamide at 60℃; for 2h; Wittig-Horner condensation; | 77% |
With sodium hydride In tetrahydrofuran at 66℃; for 2h; Wadsworth-Emmons condensation; | 66% |
tetraethyl 1,4-xylylenediphosphonate
4-((E)-2-[4-[(E)-2-(pyridin-4-yl)vinyl]phenyl]vinyl)pyridine
Conditions | Yield |
---|---|
With potassium tert-butylate In tetrahydrofuran at 0℃; for 0.5h; Horner olefination; | 87% |
Stage #1: tetraethyl 1,4-xylylenediphosphonate With potassium tert-butylate In tetrahydrofuran at -10℃; for 0.333333h; Stage #2: pyridine-4-carbaldehyde In tetrahydrofuran at 20℃; for 16h; | 30% |
4,4′-bis(9-carbazolyl)benzophenone
tetraethyl 1,4-xylylenediphosphonate
C82H54N4
Conditions | Yield |
---|---|
With potassium tert-butylate In tetrahydrofuran at 20℃; Wittig-Horner reaction; Inert atmosphere; | 87% |
tetraethyl 1,4-xylylenediphosphonate
Conditions | Yield |
---|---|
With potassium tert-butylate In tetrahydrofuran at 20℃; for 5h; Wittig-Horner Reaction; Inert atmosphere; | 87% |
Conditions | Yield |
---|---|
With potassium tert-butylate In tetrahydrofuran at 70 - 75℃; for 24h; Inert atmosphere; | 87% |
tetraethyl 1,4-xylylenediphosphonate
4-dimethylamino-benzaldehyde
N-4-[(E)-2-(4-(E)-2-[4-(dimethylamino)phenyl]vinylphenyl)vinyl]phenyl-N,N-dimethylamine
Conditions | Yield |
---|---|
With potassium tert-butylate In N,N-dimethyl-formamide at 20 - 50℃; Horner-Wadsworth-Emmons reaction; | 86% |
With sodium methylate |
tetraethyl 1,4-xylylenediphosphonate
2,4-bis(trifluoromethyl)benzaldehyde
Conditions | Yield |
---|---|
With sodium methylate In methanol; N,N-dimethyl-formamide Horner-Wadsworth-Emmons Olefination; Heating; | 86% |
Conditions | Yield |
---|---|
With sodium methylate In methanol; N,N-dimethyl-formamide at 80℃; for 2h; Horner-Wadsworth-Emmons reaction; | 85% |
1,1,1-trifluoroacetophenone
tetraethyl 1,4-xylylenediphosphonate
C24H16F6
Conditions | Yield |
---|---|
With potassium tert-butylate In tetrahydrofuran at 20℃; Inert atmosphere; | 85% |
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