DayangChem 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:590-18-1
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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
WITH 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:590-18-1
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
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
Hello, 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
Henan 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 Number: 590-18-1 Molecular formula: C4H8 Molecular Weight: 56.11 EINECS number: 209-673-7 Related Categories: Gas Cylinders;Hydrocarbons (Low Boiling point);Synthetic Organic Chemistry;Chemical Synthesis;Compresse
Cas:590-18-1
Min.Order:1 Metric Ton
FOB Price: $20.0
Type:Lab/Research institutions
inquiryZhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed
Cas:590-18-1
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiry1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer
Cas:590-18-1
Min.Order:1 Metric Ton
FOB Price: $7.0 / 8.0
Type:Trading Company
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
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
We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use as primary a
Supply top quality products with a reasonable price Application:api
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Good Quality Application:Medical or chemical
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP
Price, 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
Specifications Purity , % 99.6 1,2 Butadiene ≤ 100 ppm Trans-2-Butene ≤ 0.32% 1-Butene ≤ 0.02% 1-Butyn
Compound 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
United 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
2-Butene, (2Z)-Appearance:Off white to slight yellow solid 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 D
CFTC?PharmaChem?is?a?service?based?company?in?China,?a?pharmachem?division?of?Changzhou?Foreign?Trade?Corp.,supplying?raw?materials,?intermediates,?APIs?and?fine?chemicals?for?the?pharmaceutical?and?specialty?chemical?industries?worldwide. Applicatio
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
Conditions | Yield |
---|---|
In neat (no solvent) heating at 50°C for a few hours; same result in CCl4 at 50°C; | A 100% B n/a C n/a D n/a |
Conditions | Yield |
---|---|
In not given 50°C; | A 98% B n/a |
A
1-butylene
B
(Z)-2-Butene
C
trans-2-Butene
D
ethene
E
n-butane
Conditions | Yield |
---|---|
In toluene thermal decompn. at 95°C (70 h); | A 0.4% B 0.6% C 1.1% D 97.8% E 0.1% |
In toluene thermal decompn. at 95°C (23 h); | A 8% B 20.9% C 46.3% D 20.2% E 4.6% |
Conditions | Yield |
---|---|
Ni(DMPMNBu)Cl2 In toluene at 30 - 60℃; under 15201 Torr; Product distribution / selectivity; Autoclave; Gas phase; | A 93.7% B 5.1% |
yttrium; nickel(II) at 199.9℃; Product distribution; various Ni-substituted catalysts; | A 7.1% B 90% |
With C16H19Br2N4NiP In toluene at 30℃; under 6000.6 Torr; for 0.5h; Catalytic behavior; Time; Reagent/catalyst; Temperature; |
A
1-butylene
B
(Z)-2-Butene
C
trans-2-Butene
D
ethene
E
buta-1,3-diene
Conditions | Yield |
---|---|
In toluene thermal decompn. at 95°C (23 h); | A 93.1% B 1.3% C 0.3% D 0.5% E 4.8% |
A
1-butylene
B
(Z)-2-Butene
trans-hydridoiodobis(triethylphosphine)platinum(II)
D
trans-2-Butene
Conditions | Yield |
---|---|
In acetone Kinetics; at 283.66-313.16 K; NMR; | A 91.8% B 5.9% C n/a D 3.1% |
A
1-butylene
B
(Z)-2-Butene
trans-bis(triethylphosphine)(hydrido)(selenocyanato) platinum(II)
D
trans-2-Butene
Conditions | Yield |
---|---|
In acetone Kinetics; at 298.16 K; NMR; | A 90.6% B 5.4% C n/a D 4% |
Conditions | Yield |
---|---|
In benzene-d6 Kinetics; at 167 +/- 1°C; | A 90% B <5 |
Conditions | Yield |
---|---|
In benzene-d6 Kinetics; thermolysis at 167+/-1°C; | A 6% B 90% |
Conditions | Yield |
---|---|
In benzene at 50℃; for 2h; | A n/a B 89% |
A
1-butylene
B
(Z)-2-Butene
C
trans-2-Butene
D
buta-1,3-diene
E
n-butane
Conditions | Yield |
---|---|
In toluene thermal decompn. at 95°C (70 h); | A 88.9% B 3.3% C 2.8% D 4.2% E 0.8% |
Conditions | Yield |
---|---|
In toluene heating at 80°C; recrystd. from benzene; elem. anal.; | A 88% B n/a |
A
1-butylene
B
(Z)-2-Butene
C
trans-2-Butene
D
propane
E
ethene
Conditions | Yield |
---|---|
In toluene thermal decompn. at 60°C (15 h); further product: cyclobutane; | A 85.9% B 3.4% C 3.6% D 1% E 5.7% |
In toluene thermal decompn. at 95°C (15 h); further product: cyclobutane; | A 58.7% B 2.5% C 2.5% D 1% E 36.3% |
Conditions | Yield |
---|---|
In benzine at 20 - 50℃; for 2.16667h; | A n/a B 85% |
(Z)-2-Butene
Conditions | Yield |
---|---|
With lead(IV) acetate at 0℃; for 0.5h; | 83% |
bis(diethylcarbamodithioato-S,S')oxomolybdenum
2,3-cis-epoxybutane
A
(Z)-2-Butene
Conditions | Yield |
---|---|
In toluene N2 atmosphere, 130°C, 45 h; olefine: GC; pptd. complex: elem. anal.; | A 83% B n/a |
A
1-butylene
B
(Z)-2-Butene
trans-bis(triethylphosphine)(H)(thiocyanato) platinum(II)
E
trans-2-Butene
Conditions | Yield |
---|---|
In acetone Kinetics; at 298.16 K; | A 81% B 15.8% C n/a D n/a E 4% |
A
1-butylene
B
(Z)-2-Butene
trans-bis(triethylphosphine)(hydrido)(Br) platinum(II)
D
trans-2-Butene
Conditions | Yield |
---|---|
In acetone Kinetics; at 298.16 K; | A 80% B 16.5% C n/a D 3.5% |
(E)-2-bromobut-2-ene
benzyl 4-bromobutanoate
A
(E,E)-3,4-dimethylhexa-2,4-diene
B
(Z)-2-Butene
C
octanedioic acid dibenzyl ester
D
benzyl butanoate
E
(E)-benzyl 5-methylhept-5-enoate
Conditions | Yield |
---|---|
With pyridine; 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; 4,4'-Dimethoxy-2,2'-bipyridin; NiI2*3.5H2O; sodium iodide; zinc at 20 - 60℃; for 22h; chemoselective reaction; | A n/a B n/a C n/a D n/a E 79% |
octacarbonyl(μ-methylene)diiron
propene
A
1-butylene
B
(Z)-2-Butene
C
Fe(CO)4(η2-CH2CHCH3)
D
trans-2-Butene
E
isobutene
Conditions | Yield |
---|---|
In benzene High Pressure; autoclave charged with complex, C6H6 and propylene (50 psi), heated at 55°C for 2 h; cooled to 0°C, purged with N2, not isolated, detected by IR; | A 1% B 5% C n/a D 15% E 78% |
Conditions | Yield |
---|---|
Pd-Ca-X zeolite at 49.9℃; Product distribution; var. temp.; determination of cat. activity; | A 5% B 72% C 25% |
Ni(C5H7S2)PBu3Cl at -20℃; Product distribution; further Ni-catalysts; various temperatures; further oligomeric products; | A 4% B 27% C 69% |
With tetrabutylammonium perchlorate; bis(triphenylphosphine)nickel(II) chloride In various solvent(s) at 25℃; under 3750.3 Torr; for 24h; Product distribution; electrochemical reduction process, effect of anode, supporting electrolyte, ligand, temperature and pressure; | A 7% B 28% C 65% |
buta-1,3-diene
A
1-butylene
B
(Z)-2-Butene
C
trans-2-Butene
D
n-butane
Conditions | Yield |
---|---|
With hydrogen; palladium In various solvent(s) at 40℃; under 3040 Torr; Kinetics; Product distribution; Further Variations:; Solvents; solvent-free; | A 72% B n/a C n/a D n/a |
With hydrogen; palladium dichloride In N,N-dimethyl-formamide under 18751.5 Torr; for 0.383333h; Product distribution; Ambient temperature; various time; | A 50% B 2.5% C 23% D 1% |
With hydrogen; LaPd3 at -38.1 - -0.1℃; Product distribution; Thermodynamic data; other catalyst; Ea; |
Conditions | Yield |
---|---|
In toluene decompn. of the Pd compound induced by n-Bu2O*BF3; reactants (ratio n-Bu2O*BF3:Pd = 2:1) mixed at -78°C and then the reaction mixt. warmed to room temp.; | A 4.7% B 20.9% C 70.2% D 4.2% |
cis-{Pt(PEt3)2(n-butyl)Cl}
A
1-butylene
B
(Z)-2-Butene
trans-chlorohydridobis(triethylphosphine)platinum(II)
D
trans-2-Butene
Conditions | Yield |
---|---|
In acetone Kinetics; at 298.16 K; NMR; | A 70.2% B 25.8% C n/a D 4% |
(Z)-1,4-bis(trimethylsilyl)-2-butene
A
1-butylene
B
(Z)-2-Butene
C
trans-1-Butenyltrimethylsilan
Conditions | Yield |
---|---|
With potassium tert-butylate In N,N,N,N,N,N-hexamethylphosphoric triamide at 60℃; for 3h; | A 10% B 70% C 20% |
With potassium tert-butylate In N,N,N,N,N,N-hexamethylphosphoric triamide at 60℃; for 3h; | A 10% B 70% C 10% |
Conditions | Yield |
---|---|
In acetone Kinetics; at 298.16 K; | A 69.4% B 26.2% C n/a D 4.4% |
A
1-butylene
B
(Z)-2-Butene
trans-bis(triethylphosphine)(hydrido)(nitrito) platinum(II)
D
trans-2-Butene
Conditions | Yield |
---|---|
In acetone Kinetics; at 298.16 K; NMR; | A 69.1% B 27.6% C n/a D 3.3% |
Conditions | Yield |
---|---|
With tetrakis(acetonitrile)palladium(II) tetrafluoroborate In acetonitrile for 1h; Ambient temperature; | A 28% B 67% |
at 26.9 - 926.9℃; thermodynamisch berechnete Gleichgewichte; | |
at 24.9 - 1226.9℃; thermodynamisch berechnete Gleichgewichte; |
1,1,1-trichloroethane
A
(Z)-2-Butene
B
1,1-dichloroethane
C
ethane
D
ethene
Conditions | Yield |
---|---|
With Tris buffer; iron; sodium chloride pH=7.5; Kinetics; Product distribution; Further Variations:; Reagents; Dehalogenation; dimerization; | A n/a B 67% C n/a D n/a |
(Z)-crotyltrimethylsilane
A
1-butylene
B
(Z)-2-Butene
C
trans-1-Butenyltrimethylsilan
Conditions | Yield |
---|---|
With potassium tert-butylate In N,N,N,N,N,N-hexamethylphosphoric triamide at 60℃; for 3h; | A 10% B 65% C 25% |
methanol
(Z)-2-Butene
pyridine-2-selenenyl bromide
2-((1R,2R)-2-Methoxy-1-methyl-propylselanyl)-pyridine
Conditions | Yield |
---|---|
at -50 - 20℃; for 4h; | 100% |
Conditions | Yield |
---|---|
With tin(IV) chloride In dichloromethane at -78℃; var. reag.: var. erythro/ threo ratio; | 100% |
(Z)-2-Butene
isopropyl glyoxalate
2-Hydroxy-3-methyl-pent-4-enoic acid isopropyl ester
Conditions | Yield |
---|---|
With tin(IV) chloride In dichloromethane at -78℃; var. reag; var. erythro/ threo ratio; | 100% |
(Z)-2-Butene
1,1,4,4-tetrakis(trimethylsilyl)butane-1,4-diylsilylene
Conditions | Yield |
---|---|
In hexane at 10℃; for 3h; Irradiation; | 100% |
Conditions | Yield |
---|---|
In hexane at 30℃; for 6h; Inert atmosphere; Darkness; | 100% |
(Z)-2-Butene
Conditions | Yield |
---|---|
Stage #1: (Z)-2-Butene With n-butyllithium; potassium tert-butylate In tetrahydrofuran; hexane at -50℃; for 0.5h; Stage #2: With triisopropylborane In tetrahydrofuran; hexane at -78℃; for 2h; Stage #3: (1R,2S,3R,4S)-2-phenyl-1,7,7-trimethylbornanediol In tetrahydrofuran; hexane at 20℃; for 0.5h; | 99% |
(Z)-2-Butene
silver trifluoromethanesulfonate
cyclopentadienyl(1,4-diisopropyl-1,3-diazabutadiene)(η2-cis-2-butene)ruthenium trifluoromethanesulfonate
Conditions | Yield |
---|---|
In tetrahydrofuran under N2; equimolar amts. Ru-complex and Ag salt dissolved in THF, mixt. stirred (room temp., 15 min), formation of intermediate, suspn. filtered, red-brown soln. cooled to 0°C, stream of butene slowly passedthrough the soln.; isolated; | 99% |
Conditions | Yield |
---|---|
With sodium azide In dimethyl sulfoxide Ambient temperature; | 98% |
(Z)-2-Butene
1-methyl-1,2-dithiolanium fluoroborate
trans-1,2,3-trimethyl-1,4-dithiepanium BF4(1-)
Conditions | Yield |
---|---|
In nitromethane at 0℃; | 98% |
(Z)-2-Butene
1-methyl-1,2-dithianium fluoroborate
trans-1,2,3-trimethyl-1,4-dithiocanium BF4(1-)
Conditions | Yield |
---|---|
In nitromethane at 0℃; | 98% |
(Z)-2-Butene
diphenyldisulfane
(+/-)-threo-2,3-bis(phenylthio)butane
Conditions | Yield |
---|---|
With boron trifluoride dimethyl etherate In nitromethane; dichloromethane at 0℃; for 0.5h; | 98% |
(Z)-2-Butene
(R)-4-Methoxy-3-(4-methoxy-benzyloxy)-butyraldehyde
(3R,4R,6R)-7-Methoxy-6-(4-methoxy-benzyloxy)-3-methyl-hept-1-en-4-ol
Conditions | Yield |
---|---|
Multistep reaction; | 98% |
Conditions | Yield |
---|---|
In diethyl ether at 0℃; | 97% |
Conditions | Yield |
---|---|
With (acetylacetonato)dicarbonylrhodium (l); 1,2,4,5-tetraisopropylbenzene; C43H53O8P; hydrogen In toluene under 37503.8 Torr; for 12h; Catalytic behavior; Pressure; regioselective reaction; | 96.5% |
With acetylacetonatodicarbonylrhodium(l); 3,3'-di-tert-butyl-5,5'-dimethoxy-[1,1'-biphenyl]-2,2'-diyltetrakis(2,4-dimethylphenyl)bis(phosphite); bis-(2,2,6,6-tetramethyl-4-piperidinyl) sebacate; hydrogen In toluene at 120℃; under 15001.5 Torr; for 12h; Catalytic behavior; Reagent/catalyst; Autoclave; | 95% |
With dicarbonylacetylacetonato rhodium (I); trans-1,12-bis((di(1H-pyrrol-1-yl)phosphino)oxy)-5,5a,6,7,7a,8-hexahydrocyclopenta[1,2-b:1,5-b']dichromene; hydrogen In toluene at 110℃; under 3750.38 - 7500.75 Torr; for 15h; Glovebox; Autoclave; regioselective reaction; |
(Z)-2-Butene
9-bora-bicyclo[3.3.1]nonane
B-sec-butyl-9-borabicyclo<3.3.1>nonane
Conditions | Yield |
---|---|
In pentane at 0 - 20℃; | 96% |
In tetrahydrofuran for 2h; Heating; |
(Z)-2-Butene
tetrakis(trifluoromethyl)diphosphine
2,3-bis(di(trifluoromethyl)phosphino)butane
Conditions | Yield |
---|---|
55°C (120 h); | 95% |
Irradiation (UV/VIS); 20°C (120 h); | 89% |
Irradiation; |
Conditions | Yield |
---|---|
(2,6-Ph2C6H3O)2W(Cl)=CHC(CH3)3*OEt2 In chlorobenzene at 20℃; for 15h; | 95% |
Conditions | Yield |
---|---|
In chloroform at 80℃; for 1h; Product distribution; stereochemistry; other olefins; | 95% |
In chloroform at 80℃; for 1h; | 95% |
(Z)-2-Butene
dimethyl(methylthio)sulfonium tetrafluoroborate
C7H17S2(1+)*BF4(1-)
Conditions | Yield |
---|---|
In nitromethane at 0℃; | 95% |
(Z)-2-Butene
phenylselenenyl trifluoroacetate
Trifluoro-acetic acid (1R,2R)-1-methyl-2-phenylselanyl-propyl ester
Conditions | Yield |
---|---|
In dichloromethane for 0.25h; | 95% |
(+/-)-B-methoxy-10-trimethylsilyl-9-borabicyclo[3.3.2]decane
(Z)-2-Butene
Conditions | Yield |
---|---|
With n-butyllithium; trimethylsilyl trifluoromethanesulfonate; potassium tert-butylate In tetrahydrofuran; diethyl ether t-BuOK/THF; n-BuLi; borabicyclodecane, Et2O, -78°C, 15 min; TMSOTf, -78°C, 15 min; | 95% |
(Z)-2-Butene
Conditions | Yield |
---|---|
In dichloromethane room temp., 12 h; elem. anal.; | 95% |
(Z)-2-Butene
1-methylprop-2-ene-1-sulfonyl chloride
Conditions | Yield |
---|---|
Stage #1: (Z)-2-Butene With sulfur dioxide; boron trichloride In dichloromethane at -196 - -20℃; for 3h; Stage #2: With N-chloro-succinimide In dichloromethane at -20℃; for 2h; | 95% |
Conditions | Yield |
---|---|
With C37H40Cl2N2ORuS2 In tetrahydrofuran at 22℃; for 1h; Alkene (Olefin) Metathesis; Glovebox; Inert atmosphere; stereoselective reaction; | 95% |
(Z)-2-Butene
silver cyanate
methyl N-threo-3-iodo-2-butylcarbamate
Conditions | Yield |
---|---|
With iodine In diethyl ether 1.) 0 deg C, 2 h, 2.) room temperature, 1 h; | 94% |
With iodine In tetrahydrofuran | |
With iodine In diethyl ether |
(Z)-2-Butene
poly[1-(11-allyloxy-undecylsulfanylmethyl)-4-vinyl benzene-co-vinyl-benzene-co-divinyl-benzene], 2 percent divinyl-benzene cross-links, high loading of side chains
poly[(1-(11-((but-2-enyl)oxy)undecyl sulfanyl methyl)-4-vinyl benzene)-co-vinyl-benzene-co-divinyl-benzene], 2 percent divinyl-benzene cross-links, high loading of side chains
Conditions | Yield |
---|---|
With Grubbs catalyst first generation In dichloromethane at 20℃; for 84h; | 94% |
Conditions | Yield |
---|---|
in dark at -78°C (3 d); | 94% |
in dark at -78°C (3 d); | 94% |
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View