Dayangchem's 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. DayangChem can provide different quantities
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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
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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
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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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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
Cas:1605-18-1
Min.Order:4 Kilogram
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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
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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
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inquiryISO/factory/goodqualityAppearance:off white Storage:Dry,cool place Package:drum Application:active pharmaceutical ingredients Transportation:by air/sea/express Port:shenzhen/shanghai
Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
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inquiryhigh quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
high 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:Beijing or Guangzhou
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inquirybulk productiongoods in stockswe have the best competitive price in the marketmeantime,we are committed to service to our every customer Chemsigma International Co.,Ltd. is a chemical manufacturer, specialize in custom synthesis and organic chemical
Cas:1605-18-1
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Type:Lab/Research institutions
inquiry1. Product advantages? High purity, all above 98.5%, no impurities after dissolution? We will test each batch to ensure quality? OEM and private brand services designed for free? Various cap colors available? We can also provide MT1 peptide powder2.
Ansciep 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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inquirygood quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:25kg,50kg,180kg,200kg,250kg,1000kg,customization Application:Pharma;Industry;Agricultural;chemical reaserch Tran
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inquiryBenzene,1,4-bis(1-methylethenyl)- cas 1605-18-1Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Cas:1605-18-1
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inquiryhome-produced Application:medicine
Cas:1605-18-1
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Type:Lab/Research institutions
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
1. Subsidiary of Institute of Chemistry, Henan Academy of Sciences, national research platform;2. About 30 years’ experience in this field since 1983;3. An experienced R&D team consisting of Doctors and Masters;4. Various types of analytical instrume
Cas:1605-18-1
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inquiryPrice, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right
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inquiryCompound sourcing ServicesAgency of testing serviceFactory audit serviceFounded in Dec. 1999, Nanjing Chemlin Chemical Industrial Co.,Ltd(CHEMLIN) has been covering the business scope from trading of chemicals to custom-synthesis & Manufacturing. Co
Shanghai, 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
High qualityAppearance:Solid, Liquid Storage:Room Temprature Package:according to the clients‘ requirements Application:Pharmaceutical Intermediates,Organic Intermediates Transportation:By Sea or By Air or Courier
Cas:1605-18-1
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inquiryHigh Quality Best Price Storage:Store in dry, dark and ventilated place Application:Chemical Synthesis Intermediate
4-chlorocarbonylbenzoic acid phenyl ester
trimethylaluminum
1,4-diisopropenyl-benzene
Conditions | Yield |
---|---|
With bis-diphenylphosphinomethane In toluene at 120℃; for 24h; Schlenk technique; Inert atmosphere; | 90% |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene at 110℃; Dean-Stark; | 87% |
With potassium hydrogensulfate at 150 - 160℃; durch Destillation unter vermindertem Druck; | |
Multi-step reaction with 2 steps 1: benzene; hydrogen chloride 2: pyridine View Scheme |
Conditions | Yield |
---|---|
With bis-diphenylphosphinomethane In toluene at 120℃; for 24h; Schlenk technique; Inert atmosphere; | 82% |
4-chlorophenyl methyl sulfide
isopropenylmagnesium bromide
A
1,4-diisopropenyl-benzene
B
methyl-phenyl-thioether
C
methyl (4-(prop-1-en-2-yl)phenyl)sulfane
Conditions | Yield |
---|---|
bis(triphenylphosphine)nickel(II) chloride In benzene at 25℃; for 5h; | A 25% B n/a C 50% |
4-chlorophenyl methyl sulfide
isopropenylmagnesium bromide
A
1,4-diisopropenyl-benzene
B
methyl (4-(prop-1-en-2-yl)phenyl)sulfane
Conditions | Yield |
---|---|
bis(triphenylphosphine)nickel(II) chloride In benzene at 25℃; for 5h; | A 25% B 50% |
4-chlorophenyl methyl sulfide
allylmagnesium bromide
A
1,4-diisopropenyl-benzene
B
methyl-phenyl-thioether
C
1-(methylsulfanyl)-4-(prop-2-en-1-yl)benzene
Conditions | Yield |
---|---|
bis(triphenylphosphine)nickel(II) chloride In benzene at 25℃; for 6h; | A 25% B n/a C 35% |
Conditions | Yield |
---|---|
at 625℃; Leiten ueber Kupferchromit; | |
at 625℃; Leiten ueber Kupfer-Chrom(III)-oxyd; |
Conditions | Yield |
---|---|
With pyridine |
1.4-dibromobenzene
isopropenylmagnesium bromide
1,4-diisopropenyl-benzene
Conditions | Yield |
---|---|
nickel |
1,4-benzenedicarboxylic acid dimethyl ester
Methylenetriphenylphosphorane
1,4-diisopropenyl-benzene
Conditions | Yield |
---|---|
In dimethyl sulfoxide |
Conditions | Yield |
---|---|
at 150 - 160℃; unter vermindertem Druck; |
4-fluorobenzonitrile
A
1,4-diisopropenyl-benzene
B
2-(4-fluorophenyl)-1-propene
Conditions | Yield |
---|---|
With Tridecane; dichlorobis(trimethylphosphine)nickel In tetrahydrofuran at 60℃; | A 5 % Chromat. B 46 % Chromat. |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 2: 25 percent / Ni(PPh3)2Cl2 / benzene / 5 h / 25 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: diethyl ether 2: KHSO4 / 150 - 160 °C / durch Destillation unter vermindertem Druck View Scheme |
1,4-diisopropenyl-benzene
N-methylaniline
α.α'-Bis-<(4-Methylamino)-phenyl>-α.α.α'.α'-tetramethyl-p-xylol
Conditions | Yield |
---|---|
With C31H51N2ScSi2; N,N'-dimethylaniliniumtetrakis(pentafluorophenyl)borate In toluene at 120℃; for 36h; Inert atmosphere; chemoselective reaction; | 89% |
Conditions | Yield |
---|---|
With C31H51N2ScSi2; N,N'-dimethylaniliniumtetrakis(pentafluorophenyl)borate In toluene at 120℃; for 28h; Inert atmosphere; regioselective reaction; | 81% |
Conditions | Yield |
---|---|
With C31H51N2ScSi2; N,N'-dimethylaniliniumtetrakis(pentafluorophenyl)borate In toluene at 120℃; for 36h; Inert atmosphere; regioselective reaction; | 78% |
Conditions | Yield |
---|---|
With methanesulfonic acid; trimethylsilylazide In tetrachloromethane at 80℃; for 4h; | 78% |
1,4-diisopropenyl-benzene
α-methoxycarbonylmaleic anhydride
4,5-Dicarbomethoxy-2,3,4,4a,5a,5,6,7-octahydro-1,8-dimethylphenanthrene-3,4,5,6-tetracarboxylic Acid Dianhydride
Conditions | Yield |
---|---|
In diethyl ether at 28℃; for 0.0333333h; | 73% |
1,4-diisopropenyl-benzene
9-Bromoanthracene
1,4-bis((E)-1-(anthracen-9-yl)prop-1-en-2-yl)benzene
Conditions | Yield |
---|---|
With bis(tri-tert-butylphosphine)palladium(0); dicyclohexylmethylamine In toluene at 100℃; for 48h; Heck reaction; Inert atmosphere; regioselective reaction; | 70% |
1,4-diisopropenyl-benzene
1-Bromonaphthalene
1,4-bis((E)-1-(naphthalen-1-yl)prop-1-en-2-yl)benzene
Conditions | Yield |
---|---|
With bis(tri-tert-butylphosphine)palladium(0); dicyclohexylmethylamine In toluene at 100℃; for 60h; Heck reaction; Inert atmosphere; regioselective reaction; | 66% |
Conditions | Yield |
---|---|
With tetrakis(trimethylphosphine)iron(0); norbornene In hexane at 50℃; for 18h; stereoselective reaction; | 62% |
Conditions | Yield |
---|---|
With water at 20℃; for 4h; Meerwein Arylation; Schlenk technique; Irradiation; Inert atmosphere; Green chemistry; | 62% |
Conditions | Yield |
---|---|
With tetrabutylammonium tetrafluoroborate In acetonitrile at 60℃; for 2h; Inert atmosphere; Electrolysis; | 44% |
1,4-diisopropenyl-benzene
dithiobenzoic acid
1,4-bis(2-(thiobenzoylthio)prop-2-yl)benzene
Conditions | Yield |
---|---|
In tetrachloromethane at 75℃; for 20h; | 41.1% |
In tetrachloromethane | 24.6% |
With toluene-4-sulfonic acid | |
In tetrachloromethane at 75℃; for 20h; |
1,4-diisopropenyl-benzene
6-bromo-2-cetyl-1H-benzo[de]isoquinoline-1,3-(2H)-dione
B
4,4'-(1E,1'E)-2,2'-(1,4-phenylene)bis(prop-1-ene-2,1-diyl)bis(N-hexadecyl-1,8-naphthalimide)
Conditions | Yield |
---|---|
With bis(tri-tert-butylphosphine)palladium(0); dicyclohexylmethylamine In toluene at 100℃; for 48h; Heck reaction; Inert atmosphere; | A n/a B 28% |
1,4-diisopropenyl-benzene
ethenetetracarbonitrile
1,1,2,2-Tetracyano-3-methyl-3-(p-isopropenylphenyl)cyclobutane
Conditions | Yield |
---|---|
In acetonitrile at 28℃; | 25% |
1,4-diisopropenyl-benzene
4-N,N-diphenylamino-1-bromobenzene
A
4,4',2,2'-(1,4-phenylene)bis(prop-1-ene-2,1-diyl)bis(N,N-diphenylaniline)
B
4,4'-(1E,1'E)-2,2'-(1,4-phenylene)bis(prop-1-ene-2,1-diyl)bis(N,N-diphenylaniline)
Conditions | Yield |
---|---|
With bis(tri-tert-butylphosphine)palladium(0); dicyclohexylmethylamine In toluene at 100℃; for 48h; Heck reaction; Inert atmosphere; | A n/a B 22% |
1,4-diisopropenyl-benzene
2-bromo-9,9-dimethyl-9H-fluorene
B
1,4-bis((E)-1-(9,9-dimethyl-9H-fluoren-2-yl)prop-1-en-2-yl)benzene
Conditions | Yield |
---|---|
With bis(tri-tert-butylphosphine)palladium(0); dicyclohexylmethylamine In toluene at 100℃; for 48h; Heck reaction; Inert atmosphere; | A n/a B 14% |
1,4-diisopropenyl-benzene
Methyl β,β-dicyanoacrylate
Dimethyl 4,4,5,5-Tetracyano-2,3,4,4a,5a,5,6,7-octahydro-1,8-dimethylphenanthrene-3,6-dicarboxylate
Conditions | Yield |
---|---|
In acetonitrile at 28℃; for 120h; | 10% |
1,4-diisopropenyl-benzene
1-bromopyrene
B
1,4-bis((E)-1-(pyren-1-yl)prop-1-en-2-yl)benzene
Conditions | Yield |
---|---|
With bis(tri-tert-butylphosphine)palladium(0); dicyclohexylmethylamine In toluene at 100℃; for 24h; Heck reaction; Inert atmosphere; | A n/a B 8% |
dodecacarbonyl-triangulo-triruthenium
1,4-diisopropenyl-benzene
Conditions | Yield |
---|---|
In octane (N2); reflux (2 h); further products; solvent removal, TLC (eluent; hexane/CH2Cl2), not all complexes could beseparated, but characterized by spectr. means; | A n/a B n/a C 4% D 2.9% E 1.8% |
dodecacarbonyl-triangulo-triruthenium
1,4-diisopropenyl-benzene
Conditions | Yield |
---|---|
In octane (N2); reflux (2 h); further products; solvent removal, TLC (eluent; hexane/CH2Cl2), not all complexes could beseparated, but characterized by spectr. means; | A 0.7% B 2.2% C 1.8% |
dodecacarbonyl-triangulo-triruthenium
1,4-diisopropenyl-benzene
Conditions | Yield |
---|---|
In octane (N2); reflux (2 h); further products; solvent removal, TLC (eluent; hexane/CH2Cl2), not all complexes could beseparated, but characterized by spectr. means; | A n/a B n/a C n/a D n/a E 1.8% |
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