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
Cas:115-11-7
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryHebei yanxi chemical co. LTD. has expanded a compositive entity from initially only as a small manufacturer. The company dedicated to the development, production and marketing of chemicals. After many years of efforts, we have established stable
The 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
Isobutylene is an important chemical raw material, mainly used to prepare butyl rubber, polyisobutylene, methacrylonitrile, antioxidants, tert-butyl phenol, tert-butyl ether, etc. Appearance:colorless transparent liquid Storage:Store in a cool, dry
Our 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
Our 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
1.high quality: quality is life. quality is the most important element for all goods. we have a lab doing research in wuhan china. hplc and nmr is available if needed. 2.reasonable price: we provide high quality products with competi
Cas:115-11-7
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiryHangzhou 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
Zibo 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
Superior quality Appearance:colourless gas Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:used in the production of isooctane, a high octane avia
Product 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,
We are leading fine chemicals supplier in China with ISO certificate, Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED
Cas:115-11-7
Min.Order:1 Gram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
Jinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands
R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
high 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
Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
Product Description Description & Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard
Cas:115-11-7
Min.Order:1 Kilogram
FOB Price: $112.0
Type:Trading Company
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
Amoychem is committed to providing the top-quality chemical products and services Internationally. We offer our customers with friendly, professional service and reliable, high performance products that have been manufactured according to the accredi
TIANFUCHEM--High purity 115-11-7 ISOBUTYLENE Application:TIANFUCHEM--High purity 115-11-7 ISOBUTYLENE
Hangzhou ZeErRui Chemical Co., Ltd. located in Lingang industrial areas, our plant covers an area of 6000 square meters.ZeErRui dedicated to the development, production and marketing of chemicals. We have earned ourselves a good reputation at home an
TIANFUCHEM--High purity 115-11-7 ISOBUTYLENEAppearance:powder Storage:room tempurature Package:As required Application:medical Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small amount. By air(airport to airport) or by sea LCL
Cas:115-11-7
Min.Order:0
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Type:Lab/Research institutions
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
1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G
Cas:115-11-7
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiryHenan Sunlake Enterprise Corporation Our Advantages 1, Any inquiry about ch
Changzhou Extraordinary Pharmatech co., LTD. As a leading chemical manufacturer and supplier in China.DAS authentication is passed.We can provide the popular precursor chemicals, we have our own strong R & D team, have our own laboratories and fa
Conditions | Yield |
---|---|
With air oxidized carbon nanotubes at 120℃; Kinetics; Reagent/catalyst; Temperature; Flow reactor; Inert atmosphere; chemoselective reaction; | 100% |
With aminosulfonic acid In acetic anhydride at 80℃; for 0.5h; Dehydration; | 98% |
niobium silicate at 250℃; | 98.9% |
cyclohexane
1,1,3,3-tetramethyl-2,3-dihydro-1H-isoindol-2-yloxoyl radical
2-(t-butylazo)prop-2-yl hydroperoxide
A
2-cyclohexyloxy-1,1,3,3-tetramethyl-2,3-dihydro-1H-isoindole
B
2-tert-butoxy-1,1,3,3-tetramethylisoindoline
C
acetone
D
isobutene
Conditions | Yield |
---|---|
at 70℃; for 17h; Mechanism; Rate constant; Thermodynamic data; var. of nitroxide, solvent, temp., EA, ΔH(excit.), ΔS(excit.); | A 96% B 82% C 100% D 15% |
4-(bromomethylene)-2-(tert-butylthio)-1,3-dithiolylium bromide
A
4-(bromomethylene)-1,3-dithiolane-2-thione
B
isobutene
Conditions | Yield |
---|---|
for 12h; Ambient temperature; | A 100% B n/a |
B
isobutene
Conditions | Yield |
---|---|
In acetonitrile for 0.0833333h; Heating; | A 100% B n/a |
B
isobutene
Conditions | Yield |
---|---|
In acetonitrile for 0.0833333h; Heating; | A 100% B n/a |
Conditions | Yield |
---|---|
With diisobutylaluminium hydride In pentane at 25℃; for 0.5h; | A n/a B 100% |
Conditions | Yield |
---|---|
With 15-crown-5; cesium fluoride In 1,2-dimethoxyethane at -18 - 20℃; for 1h; | 100% |
Conditions | Yield |
---|---|
With Hoveyda-Grubbs catalyst second generation at 20℃; for 0.75h; Neat (no solvent); Inert atmosphere; | A 100% B n/a |
With C35H46Cl2N2ORu In benzene-d6 at 60℃; Catalytic behavior; Reagent/catalyst; Sealed tube; |
Conditions | Yield |
---|---|
In acetonitrile at 20℃; | A 100% B n/a C 100% |
Conditions | Yield |
---|---|
at 220℃; under 1200.12 Torr; | 99.95% |
98.4% | |
shaped catalyst (68percent SiO2, 21percent Al2O3, 11percent MgO, 0.11percent Na2O) at 164 - 250℃; under 5250.53 Torr; for 4000h; Conversion of starting material; |
4,4'-dihydroxy-3,3',5,5'-tetra-tert-butylbiphenyl
A
4,4'-Dihydroxybiphenyl
B
isobutene
Conditions | Yield |
---|---|
With methanesulfonic acid In isopar-G (hydrocarbons C10-C11); toluene at 150℃; for 2h; | A 99% B n/a |
B
isobutene
Conditions | Yield |
---|---|
With tetrafluoroboric acid In methanol; water at -78 - 20℃; for 2h; | A 99% B n/a |
3-acetoxyacetonyl tert-butyl trithiocarbonate
A
4-(acetoxymethyl)-1,3-dithiole-2-thione
B
isobutene
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In acetic acid; trifluoroacetic acid 1. warming, 30 min; 2. heating, 30 min; | A 98% B n/a |
2-Amino-4-benzylamino-4,6,6-trimethyl-cyclohex-2-ene-1,1,3-tricarbonitrile
A
3-Amino-4-[1-benzylamino-eth-(Z)-ylidene]-2-cyano-pent-2-enedinitrile
B
isobutene
Conditions | Yield |
---|---|
In xylene for 1h; Heating; | A 98% B n/a |
Conditions | Yield |
---|---|
With scandium tris(trifluoromethanesulfonate) In acetonitrile at 20℃; for 1h; | A 98% B n/a |
Conditions | Yield |
---|---|
With A35 resin acid at 100℃; for 2h; Temperature; Reagent/catalyst; | A n/a B 98% |
Conditions | Yield |
---|---|
aluminum oxide; nickel(II) sulphate In various solvent(s) at 305℃; Product distribution; fixed, quartz powder bed tubular reactor; gaseous phase in N2 flow; varied: temperature 280 to 330 deg C; N2 flow; quartz powder/catalyst ratio; residence time; substrates other alkylated phenols too; | A 97.5% B n/a |
Conditions | Yield |
---|---|
at 450℃; under 1125.11 Torr; Reagent/catalyst; Pressure; Temperature; Inert atmosphere; | 97.4% |
at 200 - 380℃; Umlagerung in Gegenwart verschiedener Katalysatoren; |
Conditions | Yield |
---|---|
at 135℃; for 24h; Yield given; | A n/a B 97% |
triisopropylsilanol
(2-methylallyl)-dimethylvinylsilane
A
1,1-dimethyl-3,3,3-triisopropyl-1-vinyldisiloxane
B
isobutene
Conditions | Yield |
---|---|
With scandium tris(trifluoromethanesulfonate) In acetonitrile at 20℃; for 1h; | A 97% B n/a |
dibutylbis(2-methylallyl)germane
B
isobutene
Conditions | Yield |
---|---|
With scandium tris(trifluoromethanesulfonate) In toluene at 20℃; for 2h; | A 97% B n/a |
Conditions | Yield |
---|---|
aluminum oxide at 315.546℃; under 11103.3 Torr; | A 1.4% B 1.1% C 96.4% |
Conditions | Yield |
---|---|
BASF AL3996 at 300℃; under 760.051 Torr; Product distribution / selectivity; | 96% |
With BASF A13996R at 325℃; Flow reactor; | 95% |
at 340℃; under 780.078 Torr; Catalytic behavior; Temperature; Pressure; Reagent/catalyst; Inert atmosphere; | 94.35% |
Conditions | Yield |
---|---|
In decalin byproducts: isobutane; pyrolysis in decalin under dry and deoxygenated N2 (140°C, 24 h); GLC anal. of org. products; | A >99 B 96% |
Conditions | Yield |
---|---|
With scandium tris(trifluoromethanesulfonate) In toluene at 20℃; for 2h; | A 96% B n/a |
1,3-Diamino-2,6,6-tricyan-3,5,5-trimethyl-cyclohex-1-en
A
2,4-Diamino-1,1,3-tricyan-penta-1,3-dien
B
isobutene
Conditions | Yield |
---|---|
In decalin for 1h; Heating; | A 95% B n/a |
2-Amino-4,6,6-trimethyl-4-methylamino-cyclohex-2-ene-1,1,3-tricarbonitrile
A
3-Amino-2-cyano-4-[1-methylamino-eth-(Z)-ylidene]-pent-2-enedinitrile
B
isobutene
Conditions | Yield |
---|---|
In xylene for 1h; Heating; | A 95% B n/a |
tri(tert-butyl)phosphite
acrylic acid
A
di-tert-butyl phosphite
C
isobutene
Conditions | Yield |
---|---|
In dichloromethane for 2h; Heating; | A 95% B n/a C n/a |
1,1,1,5,5,5-hexamethyl-3-trimethylsiloxy-3-hydroxytrisiloxane
(2-methylallyl)-dimethylvinylsilane
A
1,1,1,5,5-pentamethyl-5-vinyl-3,3-bis(trimethylsiloxy)-trisiloxane
B
isobutene
Conditions | Yield |
---|---|
With scandium tris(trifluoromethanesulfonate) In acetonitrile at 20℃; for 1h; | A 95% B n/a |
triisopropylsilanol
2-methyl a l l y l t r i s-(trimethylsiloxy)silane
A
1,1,1-trimethyl-5,5,5-triisopropyl-3,3-bis(trimethyl-siloxy)trisiloxane
B
isobutene
Conditions | Yield |
---|---|
With scandium tris(trifluoromethanesulfonate) In acetonitrile at 20℃; for 1h; | A 95% B n/a |
Conditions | Yield |
---|---|
With sulfuric acid at 65℃; under 1034.3 Torr; for 3h; | 100% |
With sulfuric acid at 70℃; | |
sulfuric acid at 65℃; under 1520.1 Torr; | |
With sulfuric acid at 65 - 70℃; for 2h; | 114.1 g |
methyl (2S,3R)-2-(benzyloxycarbonylamino)-3-hydroxybutyrate
isobutene
N-benzyloxycarbonyl-O-tert-butylthreonine methyl ester
Conditions | Yield |
---|---|
With sulfuric acid In dichloromethane at 0℃; for 48h; | 100% |
With sulfuric acid In dichloromethane for 72h; Ambient temperature; | 75% |
With sulfuric acid In dichloromethane |
propargyl alcohol
isobutene
1-Bromo-2-methyl-2-(2-propyn-1-yloxy)propane
Conditions | Yield |
---|---|
With N-Bromosuccinimide at 0℃; for 1h; | 100% |
With N-Bromosuccinimide In dichloromethane 1.) -20 deg C, 2 h, 2.) r.t., 15 h; | 80% |
methanol
pyridine-2-selenenyl bromide
isobutene
2-(2-Methoxy-2-methyl-propylselanyl)-pyridine
Conditions | Yield |
---|---|
at 25℃; for 2h; | 100% |
(S)-2-chloropropanoic acid
isobutene
(S)-tert-butyl 2-chloropropanoate
Conditions | Yield |
---|---|
With hydrogen cation | 100% |
With hydrogen cation | 93% |
With sulfuric acid In dichloromethane at 20℃; for 48h; | 73% |
(E)-ethyl 4-hydroxybut-2-enoate
isobutene
ethyl 4-tert-butoxycrotonate
Conditions | Yield |
---|---|
With sulfuric acid In dichloromethane for 36h; Ambient temperature; | 100% |
O,O′-diacetyl L-tartaric acid
isobutene
O,O′-diacetyl di-tert-butyl L-tartrate
Conditions | Yield |
---|---|
With sulfuric acid In dichloromethane at -15 - 20℃; for 72h; | 100% |
Conditions | Yield |
---|---|
With 2,6-di-tert-butyl-pyridine; boron trichloride In various solvent(s) at -80℃; for 0.666667h; | 100% |
zinc chloride diethyl ether In dichloromethane at -78℃; for 4h; | 71% |
(2R,3S)-2-Methoxymethoxy-3-((3S,8S,9S,10R,13S,14S,17R)-3-methoxymethoxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-butyraldehyde
isobutene
(4R,5R,6S)-5-Methoxymethoxy-6-((3S,8S,9S,10R,13S,14S,17R)-3-methoxymethoxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-methyl-hept-1-en-4-ol
Conditions | Yield |
---|---|
With tin(IV) chloride In dichloromethane at -78℃; for 5h; | 100% |
2-oxo-3-(ethoxycarbonyl)-3,4-dihydro-β-carboline
isobutene
2,2-dimethyl-5-(ethoxycarbonyl)-4,5,6,11b-tetrahydroisoxazolidino<2,3-a>-β-carboline
Conditions | Yield |
---|---|
In toluene at 120℃; under 750.06 - 6750.5 Torr; for 4h; | 100% |
(E)-4-Methyl-6-trimethylsilanyl-hex-4-enal
isobutene
geranyltrimethylsilane
Conditions | Yield |
---|---|
With Wittig | 100% |
3-cyclohexyl-D-alanine
isobutene
(R)-2-Amino-3-cyclohexyl-propionic acid tert-butyl ester
Conditions | Yield |
---|---|
With sulfuric acid In 1,4-dioxane | 100% |
isobutene
Conditions | Yield |
---|---|
With Acetyl bromide; MeCOBr*2AlBr3 In dichloromethane at -78℃; for 0.333333h; Polymerization; | 100% |
isobutene
Conditions | Yield |
---|---|
With aluminum tri-bromide; 2,4,6-Me3C6H2COBr*2AlBr3; Mesitoyl bromide In hexane at -78℃; for 0.333333h; Polymerization; | 100% |
isobutene
Conditions | Yield |
---|---|
With Acetyl bromide; MeCOBr*2AlBr3; 2,3-dibromo-5,6-dicyano-1,4-benzoquinone In hexane at -78℃; for 0.333333h; Polymerization; | 100% |
isobutene
1-benzyloxycarbonyl-4-keto-L-proline
(2S)-4-oxo-1-phenylmethoxycarbonylpyrrolidine-2-carboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
With sulfuric acid In dichloromethane for 12h; Cooling with ice; | 100% |
With sulfuric acid In dichloromethane at 20℃; for 16h; | 80% |
With sulfuric acid In dichloromethane at 20℃; for 16h; | 80% |
isobutene
Conditions | Yield |
---|---|
With tetrachloromethane; triisobutylaluminum; titanium tetrachloride In toluene at 30℃; Polymerization; | 100% |
Conditions | Yield |
---|---|
With trifluorormethanesulfonic acid In dichloromethane at -50 - -45℃; for 2.5h; | 100% |
With trifluorormethanesulfonic acid | 70% |
7,7-diphenyl-6-heptenoic acid
isobutene
tert-butyl 7,7-diphenylhept-6-enoate
Conditions | Yield |
---|---|
With sulfuric acid In dichloromethane at 20℃; | 100% |
isobutene
Conditions | Yield |
---|---|
With 1,2-C6F4(B(C(C6F5)2)2 In hexane at -78℃; for 1h; | 100% |
isobutene
Conditions | Yield |
---|---|
With 1,2-C6F4(B(C(C6F5)2)2 In hexane at -78℃; for 1h; | 100% |
isobutene
Conditions | Yield |
---|---|
With 1,2-C6F4(B(C(C6F5)2)2 In hexane at -78℃; for 1h; | 100% |
isobutene
Conditions | Yield |
---|---|
With 1,2-C6F4(B(C(C6F5)2)2 In hexane at -78℃; for 1h; | 100% |
isobutene
Conditions | Yield |
---|---|
With 1,2-C6F4(B(C(C6F5)2)2 In hexane at -78℃; for 1h; | 100% |
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