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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inquiryhigh quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai
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inquiryProduct name:3-Ethynyltoluene CAS No:766-82-5 Appearance: White or colorless crystalline Content:98% Appearance:White or colorless crystalline Storage:Store in cool and dry place, away
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
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
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inquiry3-Ethynyltoluene Basic information Product Name: 3-Ethynyltoluene Synonyms: m-Ethylnyltoluene;3-Ethynyltoluene, 1-Ethynyl-3-methylbenzene;1-ETHYNYL-3-METHYLBENZENE;Benzene,1-ethynyl-3-methyl-;3'-METHYLPHENYL ACETYLENE;3-ETHYNYLTOLUENE;Benz
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Stock products, own laboratoryAppearance:colorless to light yellow liquid Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
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inquiryLower 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
Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
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We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white crystalline powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use
3-EthynyltolueneAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:pharmaceutical intermediate Transportation:by air, by sea, by express
Best quality with low priceAppearance:Clear light yellow to brown liquid Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Known for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers.Appearance:White powder Storage:keep sealed and keep from direct light Package:According client's requirements Application:pharmaceutica
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Min.Order:10 Milligram
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inquiryWatson International Ltd' has a very strong R&D and technical capacity supported by FCAD's platform. The subsidiaries under FCAD Group have accumulated much know-how of different fine chemical branches. For example, Apnoke Scientific L
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(2-(3-methylphenyl)ethynyl)trimethylsilane
1-ethynyl-3-methyl-benzene
Conditions | Yield |
---|---|
With potassium carbonate In methanol at 25℃; for 3h; | 93% |
With potassium trimethylsilonate In dimethyl sulfoxide at 60℃; under 760.051 Torr; for 7h; Catalytic behavior; Reagent/catalyst; Solvent; Sealed tube; | 93% |
With potassium carbonate In methanol; dichloromethane for 1h; Inert atmosphere; | 72% |
N-methylmethane sulphonamide
1-(bromo-ethynyl)-3-methyl-benzene
1-ethynyl-3-methyl-benzene
Conditions | Yield |
---|---|
With 1,10-Phenanthroline; copper(ll) sulfate pentahydrate; potassium carbonate; toluene at 80℃; Inert atmosphere; | 90% |
2-methyl-4-(3'-methylphenyl)but-3-yn-2-ol
1-ethynyl-3-methyl-benzene
Conditions | Yield |
---|---|
With potassium hydroxide In methanol; toluene at 140℃; | 72% |
1-(1,1-Dichloro-ethyl)-3-methyl-benzene
1-ethynyl-3-methyl-benzene
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol Heating; | 46% |
Conditions | Yield |
---|---|
37% | |
Multi-step reaction with 2 steps 1: dimethylformamide / 160 °C 2: (i) EtMgBr, (ii) KOH View Scheme | |
Multi-step reaction with 2 steps 1: (i) nBuLi, (ii) CuI, (iii) /BRN= 1903634/ 2: (i) aq. CF3CO2H, (ii) NaOMe View Scheme |
Conditions | Yield |
---|---|
Multistep reaction; |
methanol
Methyl fluoride
phenylacetylene
A
1-Phenylprop-1-yne
B
1-ethynyl-2-methylbenzene
C
1-ethynyl-3-methyl-benzene
D
2-Methylacetophenone
E
4-n-methylphenylacetylene
Conditions | Yield |
---|---|
at 37℃; under 700 Torr; Product distribution; Mechanism; Irradiation; various concentration of substrates, addition of various amounts of NEt3; |
Methyl fluoride
phenylacetylene
A
1-Phenylprop-1-yne
B
1-ethynyl-2-methylbenzene
C
1-ethynyl-3-methyl-benzene
D
4-n-methylphenylacetylene
Conditions | Yield |
---|---|
at 37℃; under 700 Torr; Product distribution; Mechanism; Irradiation; various concentration of substrates, addition of various amounts of NEt3; |
1-phenyl-3-(3-methylphenyl)prop-2-yn-1-one
1-ethynyl-3-methyl-benzene
Conditions | Yield |
---|---|
(i) EtMgBr, (ii) KOH; Multistep reaction; |
1-(3-tolyl)-3,3-diethoxyprop-1-yne
1-ethynyl-3-methyl-benzene
Conditions | Yield |
---|---|
(i) aq. CF3CO2H, (ii) NaOMe; Multistep reaction; |
Butadiyne
toluene
A
1-ethynyl-2-methylbenzene
B
1-ethynyl-3-methyl-benzene
C
4-n-methylphenylacetylene
Conditions | Yield |
---|---|
Alkylation; Irradiation; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: Et3N; CuI / Pd(PPh3)4 / Heating 2: K2CO3 / methanol / 20 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 73 percent / Et3N, pyridine, Ph3P, CuI / (Ph3P)2PdCl2 / 7 h / Heating 2: 72 percent / KOH / toluene; methanol / 140 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 84 percent / PCl5 / 12 h / 20 °C 2: 46 percent / KOH / ethanol / Heating View Scheme |
Conditions | Yield |
---|---|
Stage #1: meta-bromotoluene; trimethylsilylacetylene With triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In acetonitrile at 60℃; for 16h; Inert atmosphere; Stage #2: With tetrabutyl ammonium fluoride In acetonitrile at 20℃; for 2h; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: bis(triphenylphosphine)palladium(II) dichloride; copper(l) iodide; triethylamine / tetrahydrofuran / 24 h / 20 °C / Inert atmosphere 2: potassium carbonate / methanol / 3 h / 20 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 2 steps 1: bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine / 12 h / Inert atmosphere 2: potassium carbonate / methanol / 3 h / 20 °C / Inert atmosphere View Scheme |
dimethyl 1-(1-diazo-2-oxopropyl)phosphonate
m-tolyl aldehyde
1-ethynyl-3-methyl-benzene
Conditions | Yield |
---|---|
With potassium carbonate In methanol at 60℃; for 0.75h; Seyferth-Gilbert Homologation; Microwave irradiation; |
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; N-ethyl-N,N-diisopropylamine In dimethylsulfoxide-d6 at 20℃; for 2h; Sonogashira Cross-Coupling; | 86 %Chromat. |
Conditions | Yield |
---|---|
Stage #1: trimethylsilylacetylene; 1-halo-3-methylbenzene With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine for 12h; Inert atmosphere; Stage #2: With potassium carbonate In methanol for 2h; |
Conditions | Yield |
---|---|
Stage #1: 3-Iodotoluene; trimethylsilylacetylene With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In tetrahydrofuran at 20℃; for 12h; Inert atmosphere; Stage #2: With methanol; potassium carbonate at 20℃; for 3h; Inert atmosphere; | |
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine at 20℃; Inert atmosphere; |
Tetrahydro-4H-pyran-4-one
1-ethynyl-3-methyl-benzene
4-(m-tolylethynyl)tetrahydro-2H-pyran-4-ol
Conditions | Yield |
---|---|
Stage #1: 1-ethynyl-3-methyl-benzene With n-butyllithium In tetrahydrofuran; hexane at 20℃; for 0.0833333h; Stage #2: With lithium bromide In tetrahydrofuran; hexane at 20℃; for 0.5h; Stage #3: Tetrahydro-4H-pyran-4-one In tetrahydrofuran; hexane at -78 - 20℃; for 0.666667h; | 100% |
Conditions | Yield |
---|---|
With C24H23ClCrIrNO3 In 1,1,2,2-tetrachloroethane at 40℃; for 2h; Inert atmosphere; Schlenk technique; regioselective reaction; | 100% |
With C77H70N2OPtSi2 In toluene at 40℃; for 24h; Catalytic behavior; Reagent/catalyst; Inert atmosphere; Schlenk technique; stereoselective reaction; | 99 %Chromat. |
Conditions | Yield |
---|---|
With copper(II) sulfate; sodium L-ascorbate In water at 20℃; Reagent/catalyst; Solvent; | 100% |
1-ethynyl-3-methyl-benzene
Conditions | Yield |
---|---|
With CuO-Fe3O4; potassium tert-butylate; oxygen at 60℃; for 72h; Glaser Coupling; | 99% |
With copper(l) iodide; oxygen; benzylamine In neat (no solvent) at 20℃; under 760.051 Torr; for 12h; Green chemistry; | 99% |
With sodium acetate; silver sulfate In dimethyl sulfoxide at 90℃; for 11h; | 99% |
Conditions | Yield |
---|---|
With bis(η3-allyl-μ-chloropalladium(II)); tetraphosphine N,N,N′,N′-tetra(diphenylphosphinomethyl)-pyridine-2,6-diamine; caesium carbonate In N,N-dimethyl-formamide at 130℃; for 3h; Sonogashira Cross-Coupling; Schlenk technique; Inert atmosphere; | 99% |
With potassium phosphate; C45H51Cl4N7Pd2 In dimethyl sulfoxide at 90℃; for 16h; Reagent/catalyst; Schlenk technique; | 93% |
With potassium phosphate In N,N-dimethyl-formamide at 160℃; Schlenk technique; Inert atmosphere; Glovebox; Green chemistry; | 87% |
1-ethynyl-3-methyl-benzene
(E)-3,3'-(but-1-en-3-yne-1,4-diyl)bis(methylbenzene)
Conditions | Yield |
---|---|
With [{Pd(μ-OH)Cl(1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene)}2]; potassium hydroxide In ethanol at 22℃; for 24h; Reagent/catalyst; Solvent; Temperature; Inert atmosphere; Schlenk technique; stereoselective reaction; | 99% |
With C77H74N2OPtSi2 In toluene at 60℃; Reagent/catalyst; Inert atmosphere; diastereoselective reaction; | 95% |
With Wilkinson's catalyst; sodium dodecyl-sulfate In water; toluene at 50℃; for 15h; | 83% |
ortho-methylphenyl iodide
1-ethynyl-3-methyl-benzene
2-m-tolyl-1-o-tolylethyne
Conditions | Yield |
---|---|
With potassium carbonate; copper(II) oxide In dimethyl sulfoxide at 160℃; for 12h; Sonogashira coupling; Inert atmosphere; | 99% |
With C17H32Cl2N4OPd; potassium carbonate In ethanol at 80℃; for 1h; Sonogashira Cross-Coupling; | 89% |
1-ethynyl-3-methyl-benzene
ethyl-3,3,3-trifluoropyruvate
Conditions | Yield |
---|---|
With [Rh{(S,S)-4-NO2-Phebox-Bn}(OAc)2]*H2O In diethyl ether at 25℃; for 24h; Inert atmosphere; enantioselective reaction; | 99% |
1-ethynyl-3-methyl-benzene
benzoyl(3,4-dihydroisoquinolinium-2-yl)azanide
C25H22N2O
Conditions | Yield |
---|---|
With copper diacetate; 2,6-bis[(4R)-5,5-dihydro-4-phenyl-2-oxazolyl]pyridine In dichloromethane at 0℃; for 12h; Inert atmosphere; optical yield given as %ee; enantioselective reaction; | 99% |
1-ethynyl-3-methyl-benzene
1-(azidomethyl)-3-bromobenzene
1-(3-bromobenzyl)-4-(3-methylphenyl)-1H-1,2,3-triazole
Conditions | Yield |
---|---|
With Octanoic acid; C27H31AgNO3P In toluene at 20℃; for 48h; Inert atmosphere; regioselective reaction; | 99% |
Conditions | Yield |
---|---|
With chloro(1,5-cyclooctadiene)rhodium(I) dimer; triphenylphosphine In 1,2-dichloro-ethane at 70℃; for 2h; regioselective reaction; | 99% |
With immobilized Wilkinson’s complex, RhCl(PPh3)3 supported on (diphenylphosphine) In 1,2-dichloro-ethane at 70℃; for 24h; stereoselective reaction; | 92% |
bromobenzene
1-ethynyl-3-methyl-benzene
1-methyl-3-(2-phenylethynyl)benzene
Conditions | Yield |
---|---|
With water; potassium carbonate In 1-methyl-pyrrolidin-2-one at 135℃; for 24h; Catalytic behavior; Sonogashira Cross-Coupling; | 99% |
With tetrabutylammomium bromide; sodium acetate In dimethyl sulfoxide at 120℃; for 40h; Sonogashira Cross-Coupling; Inert atmosphere; | 89% |
1,1,1-trifluoroacetophenone
1-ethynyl-3-methyl-benzene
1,1,1-trifluoro-2-phenyl-4-(m-tolyl)but-3-yn-2-ol
Conditions | Yield |
---|---|
With C42H62AgN4(1+)*BF4(1-) In water at 60℃; for 15h; | 99% |
With triphenylphosphine In water at 60℃; for 2h; Schlenk technique; Inert atmosphere; Green chemistry; | 97% |
With copper diacetate; potassium carbonate In dimethyl sulfoxide at 70℃; for 24h; Temperature; | 97% |
With copper(I) oxide; potassium carbonate In 1-methyl-pyrrolidin-2-one at 50℃; for 24h; | 68% |
With C54H56N8Ru(2+)*2F6P(1-); triethylamine In tetrahydrofuran at 60℃; for 16h; Inert atmosphere; Schlenk technique; Sealed tube; |
Conditions | Yield |
---|---|
With 2,2,2-Trifluoroacetophenone; triphenylphosphine In water at 60℃; for 2h; Schlenk technique; Inert atmosphere; Green chemistry; | 99% |
Conditions | Yield |
---|---|
With Cu(at)MOF-5-C In toluene at 110℃; for 6h; Inert atmosphere; | 99% |
With [copper(I)]2[(2-picolyliminomethyl)pyrrole]2 In toluene at 110℃; for 2h; Inert atmosphere; | 98% |
With silver carbonate In neat (no solvent) at 110℃; for 0.916667h; | 96% |
With cycloaurated phosphinothioicamide gold(III) complex immobilized in a silica-supported ionic liquid In neat (no solvent) at 60℃; for 8h; Green chemistry; |
formic acid
iodobenzene
1-ethynyl-3-methyl-benzene
1-phenyl-3-(3-methylphenyl)prop-2-yn-1-one
Conditions | Yield |
---|---|
With palladium diacetate; triethylamine; dicyclohexyl-carbodiimide; triphenylphosphine In toluene at 30℃; Inert atmosphere; Sealed tube; | 99% |
With triethylamine; dicyclohexyl-carbodiimide In toluene at 30℃; for 24h; Inert atmosphere; | 96% |
With palladium diacetate; acetic anhydride; triethylamine; triphenylphosphine In toluene at 30℃; Sonogashira Cross-Coupling; Inert atmosphere; | 82% |
With iodine; palladium diacetate; triethylamine; triphenylphosphine In toluene at 40℃; for 4h; Sonogashira Cross-Coupling; Sealed tube; | 82% |
2-azido-1-(piperidin-1-yl)ethan-1-one
1-ethynyl-3-methyl-benzene
Conditions | Yield |
---|---|
With copper(II) sulfate; sodium L-ascorbate In water; tert-butyl alcohol at 20℃; for 24h; | 99% |
1-ethynyl-3-methyl-benzene
Conditions | Yield |
---|---|
With C42H62AgN4(1+)*BF4(1-) In methanol; water at 60℃; for 15h; | 99% |
With C30H22N4O2Rh(1+)*F6P(1-) In tetrahydrofuran at 50℃; Schlenk technique; Sealed tube; | 92% |
With potassium tert-butylate In toluene at 20℃; Inert atmosphere; | 48% |
1-ethynyl-3-methyl-benzene
Conditions | Yield |
---|---|
With (1,3-bis(2,6-dimethylphenyl)thiourea)Cu(Cl)(1,3-bis(2,6-dimethylphenyl)thiourea) In neat (no solvent) at 20℃; for 1.5h; | 99% |
Conditions | Yield |
---|---|
With C54H56N8Ru(2+)*2F6P(1-); triethylamine In tetrahydrofuran at 60℃; for 16h; Inert atmosphere; Schlenk technique; Sealed tube; enantioselective reaction; | 99% |
Conditions | Yield |
---|---|
Stage #1: 1-ethynyl-3-methyl-benzene With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1h; Stage #2: Ethyl propionate With boron trifluoride diethyl etherate In tetrahydrofuran; hexane at -78℃; | 99% |
1-ethynyl-3-methyl-benzene
Conditions | Yield |
---|---|
With sodium L-ascorbate In methanol at 25℃; for 16h; Inert atmosphere; Schlenk technique; | 99% |
1-ethynyl-3-methyl-benzene
1-iodo-2-((2-methylallyl)oxy)benzene
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); potassium carbonate In N,N-dimethyl-formamide at 100℃; for 0.25h; Microwave irradiation; Inert atmosphere; Sealed tube; Green chemistry; | 99% |
With potassium carbonate In N,N-dimethyl-formamide at 100℃; for 1h; Schlenk technique; | 95% |
Conditions | Yield |
---|---|
In toluene at 70℃; for 12h; Inert atmosphere; Molecular sieve; | 99% |
1-ethynyl-3-methyl-benzene
1-iodo-2-((2-methylallyl)oxy)benzene
Conditions | Yield |
---|---|
With tris(dibenzylideneacetone)dipalladium(0) chloroform complex; potassium phosphate; (R)-N-((S)-(3,5-di-tert-butyl-4-methoxyphenyl)(2-(dicyclohexylphosphanyl)phenyl)methyl)-N,2-dimethylpropane-2-sulfinamide In ethyl acetate at 80℃; Inert atmosphere; Sealed tube; enantioselective reaction; | 99% |
1-ethynyl-3-methyl-benzene
Conditions | Yield |
---|---|
With diethylzinc In hexane; acetonitrile at -20℃; for 16h; Schlenk technique; Inert atmosphere; stereoselective reaction; | 99% |
With dimanganese decacarbonyl In cyclohexane at 20℃; for 1h; Schlenk technique; Irradiation; | 95% |
1-ethynyl-3-methyl-benzene
Conditions | Yield |
---|---|
With 9,10-diphenylanthracene; N-ethyl-N,N-diisopropylamine; iron(II) chloride In acetonitrile for 1h; Sealed tube; Irradiation; regioselective reaction; | 99% |
1-ethynyl-3-methyl-benzene
Conditions | Yield |
---|---|
With samarium diiodide In tetrahydrofuran at 55℃; for 0.75h; Inert atmosphere; | 99% |
1-ethynyl-3-methyl-benzene
benzyl azide
1-benzyl-4-(3-methylphenyl)-1H-1,2,3-triazole
Conditions | Yield |
---|---|
With Cu/Fe In dichloromethane at 30℃; for 8h; | 98% |
With porous cross-linked polymer-phenanthroline-supported copper catalyst In water at 20℃; for 0.666667h; Huisgen Cycloaddition; | 98% |
With (1,3-bis(2,6-dimethylphenyl)thiourea)Cu(Cl)(1,3-bis(2,6-dimethylphenyl)thiourea) In neat (no solvent) at 20℃; for 1.5h; | 98% |
Cyclohexyl isocyanide
1-ethynyl-3-methyl-benzene
(Z)-N-(3-m-tolylprop-2-ynylidene)cyclohexanamine
Conditions | Yield |
---|---|
With C29H51NO2Si2Y In benzene at 20℃; for 2h; Inert atmosphere; stereoselective reaction; | 98% |
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