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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inquiryCangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new api, intermedi
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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 our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
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inquiry1,3-BIS(2,6-DI-I-PROPYLPHENYL)IMIDAZOL-2-YLIDENE CAS:244187-81-3 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializin
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inquiryHello, 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
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inquiryMelting point 213-217 °C storage temp. 20°C
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inquiry1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s
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inquiryHenan 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
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inquiryZibo 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
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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,
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inquiryfactory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
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inquiryTianfu Chemical, built in 2009, is a professional supplier for API materials in China. With 10 years development, we have bulit our own factory and lab to produce a certain of products. And we have established stable business relationships with ma
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inquiryShandong Mopai Biotechnology 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 chemicals. W
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inquirySAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe
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inquiryWe are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp
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inquiryStock products, own laboratory 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
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inquiryJ&H CHEM is one of China's leading providers of integrated fine chemical services including offering, research and development, Custom manufacturing business, as well as other Value-added customer services, for diversified range products of chemicals
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inquiryHunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as
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inquiry★.Best quality according to requirement ★.Competitive price in China market ★.Mature Technical support ★.Professional logistic support ★.Shortest delivery time . Appearance:Refer to COA Storage:Store in dry, cool and ventilated place Package:A
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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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inquiry1,3-BIS(2,6-DI-I-PROPYLPHENYL)IMIDAZOL-2-YLIDENE Application:1,3-BIS(2,6-DI-I-PROPYLPHENYL)IMIDAZOL-2-YLIDENE
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inquirybulk productionChemsigma International Co.,Ltd. is a chemical manufacturer, specialize in custom synthesis and organic chemical manufacturing for overseas customers, in the field of API, pharmaceutical intermediates, chemical intermediates, fine chem
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inquiry1,3-BIS(2,6-DI-I-PROPYLPHENYL)IMIDAZOL-2-YLIDENEAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
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inquiry1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
With potassium tert-butylate In tetrahydrofuran for 6h; | 97% |
With potassium tert-butylate In tetrahydrofuran at 20℃; for 4h; | 96.5% |
With potassium tert-butylate; sodium hydride In tetrahydrofuran for 12h; Schlenk technique; Inert atmosphere; | 78% |
1,3-bis[2,6-diisopropylphenyl]imidazolium chloride
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
With [Fe(η5-cyclopentadienyl)(η-benzene)]; oxygen In tetrahydrofuran-d8 at 20℃; for 0.0166667h; | 95% |
With potassium tert-butylate In tetrahydrofuran at 20℃; for 3.5h; Inert atmosphere; | 93% |
With potassium tert-butylate In tetrahydrofuran for 4h; Glovebox; | 90% |
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
With potassium tert-butylate | 90% |
With potassium tert-butylate In tetrahydrofuran at 20℃; for 5h; Inert atmosphere; Schlenk technique; |
N,N-bis(2,6-diisopropylphenyl)-2,4-diphenylimidazol-5-ylidene-1-ium
1,3-bis(2,6-diisopropylphenyl)-2-benzoylimidazolium chloride
A
C46H49N2O(1+)*Cl(1-)
B
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
In tetrahydrofuran at 20℃; for 0.5h; Inert atmosphere; | A 73% B n/a |
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
With potassium tert-butylate; sodium hydride In tetrahydrofuran for 16h; | 68% |
With potassium tert-butylate Schlenk technique; Inert atmosphere; |
2,6-diisopropylbenzenamine
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: 77.5 percent / formic acid / ethanol; H2O / 48 h 2.1: toluene / 100 °C 2.2: 47 percent / HCl / toluene; dioxane / 5 h / 70 °C 3.1: 79 percent / KOt-Bu / tetrahydrofuran / 4 h / 20 °C View Scheme | |
Multi-step reaction with 3 steps 1: 90 percent / propan-1-ol; H2O / 1 h / 70 °C 2: 47 percent / water / tetrahydrofuran / 16 h / 40 °C 3: 80 percent / KO-t-Bu / tetrahydrofuran / 0.33 h / 20 °C View Scheme | |
Multi-step reaction with 3 steps 1: acetic acid / water; methanol / 50 °C 2: chloro-trimethyl-silane / ethyl acetate / 70 °C 3: potassium tert-butylate / tetrahydrofuran / 3.5 h / 23 °C / Inert atmosphere View Scheme |
(1E,2E)-N1,N2-bis(2,6-diisopropylphenyl)-ethane-1,2-diimine
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: toluene / 100 °C 1.2: 47 percent / HCl / toluene; dioxane / 5 h / 70 °C 2.1: 79 percent / KOt-Bu / tetrahydrofuran / 4 h / 20 °C View Scheme |
1,2-bis(2,6-diisopropylphenylimino)ethane
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 47 percent / water / tetrahydrofuran / 16 h / 40 °C 2: 80 percent / KO-t-Bu / tetrahydrofuran / 0.33 h / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: chloro-trimethyl-silane / ethyl acetate / 70 °C 2: potassium tert-butylate / tetrahydrofuran / 3.5 h / 23 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 2 steps 1: chloro-trimethyl-silane / ethyl acetate / 2.75 h / 70 °C 2: potassium tert-butylate / tetrahydrofuran / 3.5 h / 23 °C / Inert atmosphere; Glovebox View Scheme | |
Multi-step reaction with 2 steps 1: hydrogenchloride / 1,4-dioxane; tetrahydrofuran / 0 - 20 °C / Inert atmosphere; Schlenk technique 2: potassium tert-butylate / tetrahydrofuran / 0.5 h / Glovebox; Schlenk technique View Scheme | |
Multi-step reaction with 2 steps 1: hydrogenchloride / ethyl acetate; 1,4-dioxane 2: potassium tert-butylate / tetrahydrofuran / 4 h / Glovebox View Scheme |
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
With potassium tert-butylate; sodium hydride In tetrahydrofuran at 20℃; Inert atmosphere; |
A
1,3-bis[2,6-di(propan-2-yl)phenyl]-1,3-dihydro-2H-imidazol-2-one
B
nitrogen(II) oxide
C
dinitrogen monoxide
D
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
at 120℃; for 0.5h; Sealed tube; | A 48 %Chromat. B n/a C n/a D 52 %Chromat. |
trimethylphosphane
B
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
In toluene at 65℃; for 16h; |
ethene
B
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
In toluene at 25℃; for 3h; Inert atmosphere; |
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
at 147℃; Sealed tube; High pressure; | 95 %Spectr. |
formaldehyd
1,2-bis(2,6-diisopropylphenylimino)ethane
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
Stage #1: formaldehyd; 1,2-bis(2,6-diisopropylphenylimino)ethane In toluene at 100℃; for 2h; Stage #2: With hydrogenchloride In 1,4-dioxane; toluene at 40℃; Stage #3: With potassium tert-butylate In tetrahydrofuran for 2h; |
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
With potassium tert-butylate Schlenk technique; Inert atmosphere; |
A
9H-carbazole
B
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
In benzene-d6 at 20℃; Equilibrium constant; Thermodynamic data; Inert atmosphere; Glovebox; Schlenk technique; |
A
2-phenyl-1H-benzoimidazole
B
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
In tetrahydrofuran-d8 at 20℃; Equilibrium constant; |
B
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
In tetrahydrofuran at 60℃; for 23h; Schlenk technique; Cooling with liquid nitrogen; |
cadmium(II) acetate
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
With hexamethyldisilathiane In toluene |
mercury(II) diacetate
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
With hexamethyldisilathiane In toluene |
tetrachlorosilane
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
C27H36Cl4N2Si
Conditions | Yield |
---|---|
In hexane at 20℃; | 100% |
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
C27H36Cl3N2P
Conditions | Yield |
---|---|
With phosphorus trichloride In hexane | 100% |
With phosphorus trichloride |
chloro-trimethyl-silane
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
1,3-bis(2,6-diisopropylphenyl)-4-trimethylsilylimidazol-2-ylidene
Conditions | Yield |
---|---|
With sodium 2,2,6,6-tetramethylpiperidide In hexane at 20℃; for 2h; Reagent/catalyst; Inert atmosphere; Schlenk technique; | 100% |
Stage #1: 1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene With n-butyllithium In hexane at 20℃; Inert atmosphere; Stage #2: chloro-trimethyl-silane In tetrahydrofuran at 20℃; for 1h; Inert atmosphere; | 0.95 g |
diisopropopylaminoborane
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
C33H52BN3
Conditions | Yield |
---|---|
In tetrahydrofuran at 20℃; for 2h; | 100% |
ZnCp*(C6F5)
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
In toluene for 0.5h; Inert atmosphere; | 100% |
bis(1,5-cyclooctadiene)nickel (0)
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
In benzene-d6 at 20℃; for 0.25h; Inert atmosphere; | 100% |
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
C27H34(2)H2N2
Conditions | Yield |
---|---|
With chloroform-d1 at 21℃; Inert atmosphere; Sealed tube; | 100% |
bis(1,5-cyclooctadiene)nickel (0)
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
In benzene-d6 Inert atmosphere; | 100% |
2-phenyl-1H-benzoimidazole
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
In tetrahydrofuran at 20℃; for 0.25h; Equilibrium constant; Inert atmosphere; Glovebox; Schlenk technique; | 100% |
Conditions | Yield |
---|---|
In tetrahydrofuran for 1h; Schlenk technique; | 100% |
bis(1,5-cyclooctadiene)nickel (0)
3-chloroprop-1-ene
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
In toluene byproducts: cyclooctadiene; toluene soln.; | 99% |
Stage #1: bis(1,5-cyclooctadiene)nickel (0); 1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene In toluene at 20℃; for 1h; Glovebox; Inert atmosphere; Stage #2: 3-chloroprop-1-ene In toluene at 20℃; for 0.25h; Glovebox; Inert atmosphere; | 94% |
bis(1,5-cyclooctadiene)nickel (0)
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
In benzene-d6 at room temp. for 30 min; NMR; | 99% |
bis(1,5-cyclooctadiene)nickel (0)
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
In benzene-d6 at room temp. for 1 h; NMR; | 99% |
bis(1,5-cyclooctadiene)nickel (0)
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Benzyl-[1-cyclopropyl-meth-(E)-ylidene]-amine
Conditions | Yield |
---|---|
In benzene-d6 at room temp. for 30 min; NMR; | 99% |
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
1,3-bis(2,6-diisopropylphenyl)-1H-imidazole-2(3H)-thione
Conditions | Yield |
---|---|
With sulfur In tetrahydrofuran at 20℃; for 24h; | 99% |
Multi-step reaction with 3 steps 1: sodium t-butanolate / tetrahydrofuran / 2 h / 30 °C / Inert atmosphere 2: tetrahydrofuran / 2 h / Inert atmosphere; Glovebox 3: N,N-dimethylthioformamide; potassium trimethoxy(trifluoromethyl)boranuide / 10 h / 30 °C / Inert atmosphere View Scheme | |
With sulfur In (2)H8-toluene at 20℃; for 1h; Inert atmosphere; | |
With sulfur Inert atmosphere; |
phenylsilane
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
1-phenyl-2,5-bis-(2,6-diisopropylphenyl)-3,4-dehydro-2,5-diazasilinane
Conditions | Yield |
---|---|
at 160℃; for 5h; Inert atmosphere; | 99% |
isopropylamine borane
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
A
diisopropopylaminoborane
B
1,3-bis(2,6-diisopropylphenyl)-1,3-dihydro-2H-imidazol-2-ylidene
Conditions | Yield |
---|---|
In toluene for 8h; Inert atmosphere; Schlenk technique; | A n/a B 99% |
bis(pentafluorophenyl)zinc toluene adduct (1/1)
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
In toluene at -35 - 20℃; Glovebox; Inert atmosphere; | 99% |
tri-p-tolylborane
toluene
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
Stage #1: toluene; 1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene With n-butyllithium In hexane Schlenk technique; Stage #2: tri-p-tolylborane In hexane Schlenk technique; | 99% |
dimethyl 2-methylenepentanedioate
trifluoroacetic acid
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
C35H49N2O4(1+)*C2F3O2(1-)
Conditions | Yield |
---|---|
Stage #1: dimethyl 2-methylenepentanedioate; 1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene In tetrahydrofuran at 20℃; for 1.5h; Stage #2: trifluoroacetic acid In tetrahydrofuran | 99% |
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
trimethyl gallium
Conditions | Yield |
---|---|
In toluene at -35 - 20℃; Glovebox; Inert atmosphere; | 99% |
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
In tetrahydrofuran at 20℃; for 2h; Schlenk technique; | 98% |
In dichloromethane under Ar; mixt. of Pd complex and ligand in CH2Cl2 stirred at 20°C for 1 h; concd. in vac.; Et2O added; cooled to -78°C; filtered; ppt. washed with cold ether; dried under vac.; | 42% |
carbon disulfide
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
1,3-bis(2,6-diisopropylphenyl)imidazolium-2-dithiocarboxylate
Conditions | Yield |
---|---|
In tetrahydrofuran for 0.25h; | 98% |
n-butyllithium
tris(pentafluorophenyl)borate
toluene
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
Stage #1: n-butyllithium; 1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene In toluene Schlenk technique; Stage #2: tris(pentafluorophenyl)borate In toluene for 4h; Schlenk technique; Stage #3: toluene Schlenk technique; | 98% |
Conditions | Yield |
---|---|
In benzene at 20℃; for 0.25h; Equilibrium constant; Thermodynamic data; Solvent; Inert atmosphere; Glovebox; Schlenk technique; | 98% |
Isopropenyl acetate
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
In tetrahydrofuran-d8 at 20℃; for 0.5h; Inert atmosphere; Glovebox; Sealed tube; | 98% |
carbon dioxide
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
In diethyl ether at 0℃; under 760.051 Torr; for 0.5h; | 97% |
In diethyl ether at -78℃; under 760 Torr; | 90% |
In diethyl ether at -78 - 20℃; under 760.051 Torr; | 85% |
In tetrahydrofuran under 760.051 Torr; |
bis(1,5-cyclooctadiene)nickel (0)
cinnamyl chloride
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
Conditions | Yield |
---|---|
In toluene byproducts: cyclooctadiene; toluene soln.; | 97% |
Stage #1: bis(1,5-cyclooctadiene)nickel (0); cinnamyl chloride With cyclo-octa-1,5-diene at 20℃; Stage #2: 1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene In tetrahydrofuran at 20℃; | 81% |
1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene
C43H46N2O6W
Conditions | Yield |
---|---|
In pentane at 20℃; for 1h; Inert atmosphere; | 97% |
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