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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Cas:78-78-4
Min.Order:1 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
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
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Hebei yanxi chemical co., LTD is a professional research, development and production Cyromazine、lead diacetate trihydrate /Lead acetate trihydrateC、 2-phenylacetamide 、 4-Aminophenyl-1-phenethylpiperidine 、Citric acid monohydrate 、 Citric acid/c
Cas:78-78-4
Min.Order:1 Kilogram
FOB Price: $10.0 / 19.0
Type:Trading Company
inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present
Cas:78-78-4
Min.Order:1 Metric Ton
FOB Price: $1046.0 / 1125.0
Type:Trading Company
inquirySuperiority We can customize and synthesize products that other suppliers may not be able to provide. 1. best service, high quality and reasonable way for his produccts from many recent effective packing way.best s
Cas:78-78-4
Min.Order:100 Kilogram
Negotiable
Type:Trading Company
inquiryAppearance:white powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:Common products:Sea/Air/Courie
Cas:78-78-4
Min.Order:100 Metric Ton
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
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
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
Cas:78-78-4
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,
Product information: Content(V/V) ≥96% Molecular formula: C5H12 Molecular weight: 72.15 CAS No: 78-78-4 Use: Be used in Organic Sythesis and Solvent
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:78-78-4
Min.Order:1 Gram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryHangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu
Superior quality, moderate price & quick delivery. Appearance:colorless liquid Storage:Melting sealed in ampoules, and stored at 4 ° C. Package:125kg/drum or iso tank or as inquiry Application:used in the production of polyethylene catalyst sol
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
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:78-78-4
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
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Isopentane CAS NO.78-78-4 Application:Isopentane CAS NO.78-78-4
Isopentane CAS NO.78-78-4Appearance:liquid Storage:keep dry Package:25kg/bag or follow your requirement Application:pharmaceutical intermediates Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small amount. By air(airport to airp
mainly used as pestcids Intermediates ,medicine intermediates, cleaning agent, fine chemical industriyIso-Pentane (IC-5) is ALSO used in the Polyethyl… Appearance:colorless liquid Package:iron drum or isotank Application:mainly used as pestc
Conditions | Yield |
---|---|
With aluminium trichloride; polyethoxysilane (silicone GKZh-94) In nitromethane Product distribution; | 99% |
With molybdenum (IV) sulfide; xylene at 350℃; under 36775.4 Torr; | |
With tungsten(IV) sulfide at 340℃; under 82376.9 Torr; Hydrogenation; | |
With tungsten(IV) sulfide at 320℃; under 88260.9 Torr; Hydrogenation; |
Conditions | Yield |
---|---|
With hydrogen under 15001.5 Torr; Catalytic behavior; Reagent/catalyst; Temperature; chemoselective reaction; | 98.5% |
With hydrogen at 250℃; under 760.051 Torr; Reagent/catalyst; Temperature; | 73.2% |
With hydrogen; Pd3(PW12O40)2 at 179.9℃; | 39.5% |
Conditions | Yield |
---|---|
With poly(p-aminostyrene)-palladium(II); hydrogen In N,N-dimethyl-formamide at 25℃; under 760 Torr; | 97% |
With hydrogen; RuH(Cl)(CO)(Ph2-P-2-C6H4CHO)2(pyrazole) In N,N-dimethyl-formamide at 25℃; under 1140.08 Torr; for 1.5h; | 94% |
With hydrogen; [Pd(acac)(Ph2P-2-C6H4COOH)2]BF4 In N,N-dimethyl-formamide at 25℃; under 1140.08 Torr; | 93% |
Conditions | Yield |
---|---|
With sodium tetrahydroborate; trifluorormethanesulfonic acid In diethyl ether for 2h; Product distribution; Ambient temperature; other cyclic and polycyclic methyl alcohols; | 95% |
Conditions | Yield |
---|---|
With sodium tetrahydroborate; trifluorormethanesulfonic acid In diethyl ether for 2h; Product distribution; Ambient temperature; other cyclic and polycyclic carboxylic acids; | 95% |
2,2-dimethylpropane
A
methane
B
ethane
C
propane
D
Isobutane
E
methylbutane
Conditions | Yield |
---|---|
With hydrogen; platinum at 243℃; Product distribution; further reaction temperatures, catalysts; | A 2.7% B 1.5% C 1.5% D 6.7% E 87.8% |
at 304℃; Product distribution; also from n-butane, other products,other temperatures, other catalysts; | A 7% B 1.7% C 2.4% D 15.6% E 73.3% |
With hydrogen; NaY-500; palladium at 216℃; Product distribution; Kinetics; Thermodynamic data; other catalysts, other temperatures; activation energies; | |
With hydrogen In neat (no solvent) at 275℃; under 1225.5 Torr; Reagent/catalyst; Inert atmosphere; |
methylbutane
Conditions | Yield |
---|---|
With hydrogenchloride In toluene under high vac. in a Schlenk tube; acidolysis with 2.2 equiv HCl (prepd. by addn. of concd. H2SO4 to solid HCl in a special app.) in toluene at-50°C under stirring; quantitation of products by GC; | 84% |
Conditions | Yield |
---|---|
With aluminium trichloride; polyethoxysilane (silicone GKZh-94) In nitromethane Product distribution; | A 72% B 23% |
A
methane
B
2,2-dimethylpropane
C
methylbutane
D
1,1-dimethylcyclopropane
E
isobutene
Conditions | Yield |
---|---|
With hydrogen In toluene High Pressure; 5 atm H2, room temp., complete reaction at 52°C for 2 h; GLC; | A 4% B 69% C 6% D 14% E 6% |
2-Methylpentane
A
2-Methylhexane
B
methane
C
ethane
D
propane
E
Isobutane
F
methylbutane
Conditions | Yield |
---|---|
With hydrogen; tungsten film at 223.9℃; Product distribution; various temperature; | A 0.2% B n/a C n/a D 1.5% E 1.4% F 65.8% |
Conditions | Yield |
---|---|
With aluminum oxide; silica gel; boron trichloride at 59.85℃; Product distribution; Further Variations:; Reagents; | A 8% B 64% |
Sulfate; tin(IV) oxide at 249.9℃; Product distribution; pulse reactor; catalyst activity studied, prep. of catalyst varied; | A 7.5% B 3% |
aluminum oxide; boron trifluoride at 19.9℃; under 201.02 Torr; Rate constant; different catalytic systems, different BF3-pressure; |
Conditions | Yield |
---|---|
platinum at 240℃; Product distribution; Further Variations:; Catalysts; Temperatures; | A n/a B 62.2% |
Conditions | Yield |
---|---|
phosphotungstic acid; Al2O3-F; platinum at 310℃; Product distribution; Further Variations:; Catalysts; Temperatures; | A 0.6% B 62.1% C 0.6% |
With tertiary butyl chloride; C9H20N(1+)*Al2Cl7(1-) at 95℃; under 13446.2 Torr; for 4.4h; Time; Reagent/catalyst; Inert atmosphere; | A 30.79% B 21.33% C 8.72% |
aluminum tri-bromide; copper dichloride at 28℃; for 2h; Yield given; |
Dimethylallene
A
2-methyl-but-2-ene
B
methylbutane
C
2-Methyl-1-butene
D
3-Methyl-1-butene
Conditions | Yield |
---|---|
With hydrogen; palladium dichloride In N,N-dimethyl-formamide under 18751.5 Torr; for 0.133333h; Product distribution; Ambient temperature; various time; | A 57.5% B 1.2% C 0.1% D 25.2% |
n-heptane
A
2-Methylhexane
B
3-methyl-hexane
C
Isobutane
D
methylbutane
Conditions | Yield |
---|---|
With aluminum oxide; silica gel; boron trichloride at 59.85℃; Product distribution; | A n/a B n/a C 13% D 55% |
pentane
A
methylbutane
B
hexane
C
Cyclopentane
D
cyclopenta-1,3-diene
E
cyclopentene
F
benzene
Conditions | Yield |
---|---|
With hydrogen; Platinum-copper at 334.9℃; Product distribution; various temp. and percent Pt; | A 1% B n/a C 49.2% D 25.9% E 15.1% F n/a G n/a |
A
cyclopentadienyl iron(II) dicarbonyl dimer
C
methylbutane
D
2-Methyl-1-butene
Conditions | Yield |
---|---|
With hydrogen In benzene-d6 Irradiation (UV/VIS); Fe complex was photolyzed (black light bulb, emission max. 366 nm) for 10 h; monitored by NMR; | A 46% B 24% C 48% D 22% |
dichloromethane
isopropylmagnesium chloride
A
2,4-dimethylpentane
B
methylbutane
C
isobutene
Conditions | Yield |
---|---|
With C31H37ClN3NiO2(1-)*Li(1+) In tetrahydrofuran at 25℃; for 0.333333h; Inert atmosphere; Overall yield = 87.8 %; | A 15% B 25.8% C 47% |
With C31H37ClFeN3O2 In tetrahydrofuran at 25℃; for 0.0833333h; Inert atmosphere; |
Conditions | Yield |
---|---|
With aluminium trichloride In nitromethane at 90℃; for 1h; Product distribution; var. temp.; | A 42% B 10% |
Isobutane
A
methane
B
ethane
C
propane
D
methylbutane
E
n-butane
Conditions | Yield |
---|---|
With hydrogen; tungsten film at 205.9℃; Product distribution; various temperature; | A n/a B n/a C 40.5% D 2.3% E 3.2% |
Conditions | Yield |
---|---|
With aluminium trichloride In nitromethane at 90℃; for 1h; Product distribution; var. temp.; | A 39% B 12% |
isoprene
A
2-methyl-but-2-ene
B
methylbutane
C
2-Methyl-1-butene
D
3-Methyl-1-butene
Conditions | Yield |
---|---|
With hydrogen; palladium dichloride In N,N-dimethyl-formamide under 18751.5 Torr; for 0.116667h; Product distribution; Ambient temperature; various time; | A 38.5% B 0.8% C 20.5% D 22% |
With hydrogen; Pd2Cl2<<(EtO)2PO>2H>2 In ethanol at 20℃; Product distribution; influence of reaction time on pruduct distribution; | |
With hydrogen Product distribution; Rate constant; various Ni-catalysts (Ni-P, Ni-B, Raney nickel), temperatures; |
Conditions | Yield |
---|---|
With aluminium trichloride In nitromethane at 90℃; for 1h; Product distribution; var. temp.; | A 37% B 15% |
2-methyl-2-butylchloride
A
methylbutane
B
3,3-dimethyl-heptane
C
2,3-dimethylheptane
Conditions | Yield |
---|---|
With aluminium trichloride; tetrabutylsilane In dichloromethane for 0.25h; Ambient temperature; Title compound not separated from byproducts; | A 35% B 33% C n/a |
2-methyl-2-butylchloride
tetraamylsilane
A
octane, 3,3-dimethyl-
B
2,3-dimethyl-octane
C
methylbutane
Conditions | Yield |
---|---|
With aluminium trichloride In dichloromethane for 1h; Ambient temperature; Title compound not separated from byproducts; | A 34% B 4% C 33% |
With aluminium trichloride In dichloromethane for 1h; Product distribution; Ambient temperature; various ratios, various time; | A 22 % Chromat. B 10 % Chromat. C 31 % Chromat. |
2-methyl-2-butylchloride
tetrabutylsilane
A
methylbutane
B
3,3-dimethyl-heptane
C
2,3-dimethylheptane
Conditions | Yield |
---|---|
With aluminium trichloride In dichloromethane for 0.25h; Ambient temperature; Title compound not separated from byproducts; | A 27% B 33% C n/a |
With aluminium trichloride In dichloromethane for 1h; Product distribution; Ambient temperature; various ratios, various time; | A 27 % Chromat. B 26 % Chromat. C n/a |
2-methyl-2-butylchloride
tetrapropylsilane
A
3,3-dimethylhexane
B
2,3-dimethylhexane
C
methylbutane
Conditions | Yield |
---|---|
With aluminium trichloride In dichloromethane for 1h; Ambient temperature; Title compound not separated from byproducts; | A 32% B n/a C 23% |
With aluminium trichloride In dichloromethane for 1h; Product distribution; Ambient temperature; various ratios, various time; | A 28 % Chromat. B 13 % Chromat. C 23 % Chromat. |
Conditions | Yield |
---|---|
With zirconium(IV) oxide on dealuminated mordenite at 189.84℃; Product distribution; Further Variations:; Catalysts; Temperatures; atmospheric pressure; | A 4.1% B 28.9% |
Conditions | Yield |
---|---|
Sulfate; tin(IV) oxide at 29.9℃; Product distribution; recirculation reactor; catalyst activity studied varying preparation of catalyst; | A 0.3% B 28.6% C 1.1% D 1.8% |
isobutene
A
1-butylene
B
(Z)-2-Butene
C
2-methyl-but-2-ene
D
Z-piperylene
E
1-methylbuta-1,3-diene
F
propene
G
methane
H
trans-2-Butene
I
(Z)-pent-2-ene
J
(E)-pent-2-ene
K
ethane
L
propane
M
Isobutane
N
methylbutane
O
ethene
P
1-penten
Q
Cyclopentane
R
2-Methyl-1-butene
S
3-Methyl-1-butene
T
cyclopentene
U
n-butane
V
pentane
Conditions | Yield |
---|---|
CBV1502 at 579.84℃; under 900.09 Torr; Product distribution / selectivity; | A 2.6% B 2.4% C 1.29% D 0.05% E 0.03% F 24.95% G 0.73% H 3.19% I 0.32% J 0.58% K 0.36% L 2.08% M 2.15% N 0.34% O 9.61% P 0.23% Q 0.4% R 0.71% S 0.14% T 0.14% U 1.8% V 0.16% |
CBV28014 at 509.84℃; under 900.09 Torr; Product distribution / selectivity; | A 6.71% B 7.3% C 5.62% D 0.02% E 0.03% F 23.29% G 0.09% H 9.97% I 1.1% J 2.06% K 0.07% L 1.24% M 1.95% N 0.59% O 3.25% P 0.7% Q 0.31% R 2.72% S 0.47% T 0.21% U 1.37% V 0.26% |
Conditions | Yield |
---|---|
With 9-(2-mesityl)-10-methylacridinium perchlorate; 1,2-dibromomethane at 50℃; for 24h; Irradiation; | A 95% B n/a |
Conditions | Yield |
---|---|
Stage #1: C14H10ClF3N2O2S With sodium hydride In dichloromethane; mineral oil at 20℃; for 1h; Sealed tube; Stage #2: methylbutane With C26H18Ag2B2Br18N12O2 In dichloromethane; mineral oil at 60℃; for 48h; Reagent/catalyst; Sealed tube; Inert atmosphere; regioselective reaction; | 92% |
Conditions | Yield |
---|---|
Stage #1: C14H10F3IN2O2S With sodium hydride In dichloromethane; mineral oil at 20℃; for 1h; Sealed tube; Stage #2: methylbutane With C26H18Ag2B2Br18N12O2 In dichloromethane; mineral oil at 60℃; for 48h; Sealed tube; Inert atmosphere; regioselective reaction; | 89% |
methanol
methylbutane
A
3,3,4,4-Tetramethylhexan
B
2,3-dimethylbutanol
C
2,2-Dimethyl-1-butanol
D
ethylene glycol
Conditions | Yield |
---|---|
With mercury for 17h; Product distribution; Mechanism; Heating; Irradiation; other alkanes; selectivity of cross-dimerization, relative reactivities in cross-dimerizations; | A n/a B 11% C 88% D n/a |
With mercury for 17h; Heating; Irradiation; | A n/a B 11% C 88% D n/a |
Conditions | Yield |
---|---|
Stage #1: C14H9Cl2F3N2O2S With sodium hydride In dichloromethane; mineral oil at 20℃; for 1h; Sealed tube; Stage #2: methylbutane With C26H18Ag2B2Br18N12O2 In dichloromethane; mineral oil at 60℃; for 48h; Sealed tube; Inert atmosphere; regioselective reaction; | 86% |
Conditions | Yield |
---|---|
Stage #1: C14H10F3IN2O2S With sodium hydride In dichloromethane; mineral oil at 20℃; for 1h; Sealed tube; Stage #2: methylbutane With C26H18Ag2B2Br18N12O2 In dichloromethane; mineral oil at 60℃; for 48h; Sealed tube; Inert atmosphere; regioselective reaction; | 85% |
Conditions | Yield |
---|---|
Stage #1: C14H10BrF3N2O2S With sodium hydride In dichloromethane; mineral oil at 20℃; for 1h; Sealed tube; Stage #2: methylbutane With C26H18Ag2B2Br18N12O2 In dichloromethane; mineral oil at 60℃; for 48h; Sealed tube; Inert atmosphere; regioselective reaction; | 84% |
Conditions | Yield |
---|---|
Stage #1: C14H8F6N2O2S With sodium hydride In dichloromethane; mineral oil at 20℃; for 1h; Sealed tube; Stage #2: methylbutane With C26H18Ag2B2Br18N12O2 In dichloromethane; mineral oil at 60℃; for 48h; Sealed tube; Inert atmosphere; regioselective reaction; | 84% |
methylbutane
2,2,2-trichloroethyl 2-(4-bromophenyl)-2-diazoacetate
Conditions | Yield |
---|---|
With Rh2[R-tris(p-tBuC6H4)TPCP]4 In dichloromethane Reflux; enantioselective reaction; | A n/a B 82% |
Conditions | Yield |
---|---|
Stage #1: C14H10F4N2O2S With sodium hydride In dichloromethane; mineral oil at 20℃; for 1h; Sealed tube; Stage #2: methylbutane With C26H18Ag2B2Br18N12O2 In dichloromethane; mineral oil at 60℃; for 48h; Sealed tube; Inert atmosphere; regioselective reaction; | 80% |
Conditions | Yield |
---|---|
Stage #1: C14H9BrF4N2O2S With sodium hydride In dichloromethane; mineral oil at 20℃; for 1h; Sealed tube; Stage #2: methylbutane With C26H18Ag2B2Br18N12O2 In dichloromethane; mineral oil at 60℃; for 48h; Sealed tube; Inert atmosphere; regioselective reaction; | 80% |
Conditions | Yield |
---|---|
With sodium azide; bis-[(trifluoroacetoxy)iodo]benzene In dichloromethane at 20℃; | 76% |
Conditions | Yield |
---|---|
Stage #1: C15H13F3N2O3S With sodium hydride In dichloromethane; mineral oil at 20℃; for 1h; Sealed tube; Stage #2: methylbutane With C26H18Ag2B2Br18N12O2 In dichloromethane; mineral oil at 60℃; for 48h; Sealed tube; Inert atmosphere; regioselective reaction; | 76% |
Conditions | Yield |
---|---|
Stage #1: C14H10BrF3N2O2S With sodium hydride In dichloromethane; mineral oil at 20℃; for 1h; Sealed tube; Stage #2: methylbutane With C26H18Ag2B2Br18N12O2 In dichloromethane; mineral oil at 60℃; for 48h; Sealed tube; Inert atmosphere; regioselective reaction; | 76% |
Conditions | Yield |
---|---|
With {HB[3,5-(CF3)2Pz]3}Ag(THF) at 20℃; chemoselective reaction; | 74% |
Conditions | Yield |
---|---|
Stage #1: C15H10F6N2O2S With sodium hydride In dichloromethane; mineral oil at 20℃; for 1h; Sealed tube; Stage #2: methylbutane With C26H18Ag2B2Br18N12O2 In dichloromethane; mineral oil at 60℃; for 48h; Sealed tube; Inert atmosphere; regioselective reaction; | 74% |
Conditions | Yield |
---|---|
With air; nitrogen; Nitrogen dioxide; N-hydroxyphthalimide In various solvent(s) at 50℃; under 3800.26 Torr; for 14h; | 73% |
With nitrogen(II) oxide; Nitrogen dioxide at 120℃; | |
With nitric acid |
Conditions | Yield |
---|---|
With {HB[3,5-(CF3)2Pz]3}Ag(THF) at 20℃; chemoselective reaction; | 73% |
methylbutane
A
6-(1,1-dimethylpropyl)-2,8-dimethylphenanthridine
B
6-(1,2-dimethylpropyl)-2,8-dimethylphenanthridine
Conditions | Yield |
---|---|
With copper(I) oxide; di-tert-butyl peroxide at 130℃; for 48h; Sealed tube; Overall yield = 56 %; | A 73% B n/a |
Conditions | Yield |
---|---|
With sodium azide; bis-[(trifluoroacetoxy)iodo]benzene In 2,2,2-trifluoroethanol at 20℃; for 3h; | 72% |
Conditions | Yield |
---|---|
Stage #1: C14H11F3N2O2S With sodium hydride In dichloromethane; mineral oil at 20℃; for 1h; Sealed tube; Stage #2: methylbutane With C26H18Ag2B2Br18N12O2 In dichloromethane; mineral oil at 60℃; for 48h; Sealed tube; Inert atmosphere; regioselective reaction; | 72% |
Conditions | Yield |
---|---|
Stage #1: C15H12F4N2O3S With sodium hydride In dichloromethane; mineral oil at 20℃; for 1h; Sealed tube; Stage #2: methylbutane With C26H18Ag2B2Br18N12O2 In dichloromethane; mineral oil at 60℃; for 48h; Sealed tube; Inert atmosphere; regioselective reaction; | 72% |
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