1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
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inquiryAs a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem’s R&D center offer custom synthesis according to the contract research and development services for the fine chemicals, ph
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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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inquiryBest quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia
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inquiryProduct name: 2,2-Ethylidenebis(4,6-Di-Tert-Butylphenol) CAS No.:35958-30-6 Molecule Formula:C30H46O2 Molecule Weight:438.68 Purity: 99.0% Package: 25kg/drum Description:White crystalline powder Manufacture Standards:Enterprise Standard
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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
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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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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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inquiryWe produce carbomer by our own factory,carbomer 940 is our best seller.It is used for cosmetic and medical.And we also become agent for lubrizol.Our carbomer 940 get high viscosity and good transparency.The price will depond on the market,surely supp
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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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inquiry1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.
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inquirybulk productiongoods in stockswe have the best competitive price in the marketmeantime,we are committed to service to our every customer Chemsigma International Co.,Ltd. is a chemical manufacturer, specialize in custom synthesis and organic chemical
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inquiry2,2'-ETHYLIDENEBIS(4,6-DI-TERT-BUTYLPHENOL)Appearance:Off-white powder Storage:Protected from light, stored hermetically and in a dry place Package:25 kgs/carboard drum, plastic woven bag, or as per customer's request Application:An additive Transpor
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inquiryWe are a trading company aiming at providing high-quality services to customers. Established for many years, with good reputation in the industry Storage:Sealed and preserved Application:Fine chemical intermediates, used as the main raw material for
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inquiry2,2'-ETHYLIDENEBIS(4,6-DI-TERT-BUTYLPHENOL) Application:2,2'-ETHYLIDENEBIS(4,6-DI-TERT-BUTYLPHENOL)
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inquirySupply top quality products with a reasonable price Application:api
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inquiry2,2'-ETHYLIDENEBIS(4,6-DI-TERT-BUTYLPHENOL)Appearance:Off-white powder Storage:Protected from light, stored hermetically and in a dry place Package:25 kgs/carboard drum, plastic woven bag, or as per customer's request Application:An additive Transpor
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inquiry2,4-di-tert-Butylphenol
acetaldehyde
2,2-ethylidenebis(4,6-tert-butylphenol)
Conditions | Yield |
---|---|
With benzenesulfonic acid In hexane for 24h; Reflux; Schlenk technique; Inert atmosphere; Glovebox; |
2,2-ethylidenebis(4,6-tert-butylphenol)
[(η5-C5H5)Sm(2,2'-ethylidene-bis(4,6-di-tert-butylphenoxo))(THF)2]
Conditions | Yield |
---|---|
In tetrahydrofuran (Ar, Schlenk) a THF-soln. of diphenol-compound was slowly added to a THF-soln. of complex, the mixt. was stirred overnight at room temp.; the solvent was removed under vac., toluene-soln. was concd.; elem. anal.; | 95% |
2,2-ethylidenebis(4,6-tert-butylphenol)
[(η5-C5H5)Nd(2,2'-ethylidene-bis(4,6-di-tert-butylphenoxo))(THF)2]
Conditions | Yield |
---|---|
In tetrahydrofuran (Ar, Schlenk) a THF-soln. of diphenol-compound was slowly added to a THF-soln. of complex, the mixt. was stirred overnight at room temp.; the solvent was removed under vac., toluene-soln. was concd.; elem. anal.; | 95% |
methanol
trimethyl indium
2,2-ethylidenebis(4,6-tert-butylphenol)
[Me6In3(OMe)(2,2'-ethylidenebis(4,6-di-tert-butylphenolate)]
Conditions | Yield |
---|---|
In methanol; diethyl ether byproducts: CH4; (N2); std. Schlenk technique; soln. of MeOH in Et2O was added to stirredsoln. of Me3In in Et2O at -76°C; warmed to room temp.; soln. of ligand in Et2O was added at 0°C; warmed to room temp.; elem. anal.; | 94% |
(1,4,7,10-tetraoxacyclododecane)
2,2-ethylidenebis(4,6-tert-butylphenol)
Conditions | Yield |
---|---|
With n-butyllithium In hexane; toluene at 20℃; for 12h; Inert atmosphere; | 94% |
2,2-ethylidenebis(4,6-tert-butylphenol)
[(η5-C5H5)Yb(2,2'-ethylidene-bis(4,6-di-tert-butylphenoxo))(THF)2]
Conditions | Yield |
---|---|
In tetrahydrofuran (Ar, Schlenk) a THF-soln. of diphenol-compound was slowly added to a THF-soln. of complex, the mixt. was stirred overnight at room temp.; the solvent was removed under vac., toluene was added to extract, -10°C; elem. anal.; | 93% |
2,2-ethylidenebis(4,6-tert-butylphenol)
[Ti2(μ-OEt)2(2,2-ethylidenebis(4,6-di-tert-butylphenol)(-2H))2(OEt)2]
Conditions | Yield |
---|---|
In hexane byproducts: EtOH; to rapidly stirred hexane soln. of edbp (4.9 mmol) Ti(OEt)4 (4.9 mmol) added, stirred for 48 h at room temp.; filtered, washed (hexane), recrystd. (hexane/toluene 1:1) at room temp.;elem. anal.; | 92% |
Conditions | Yield |
---|---|
With potassium | 92% |
tetrahydrofuran
trimethylaluminum
sodium
2,2-ethylidenebis(4,6-tert-butylphenol)
[(2,2-ethylidenebis(4,6-di-tert-butylphenolato))Al(CH3)2Na(tetrahydrofuran)2]
Conditions | Yield |
---|---|
In tetrahydrofuran; hexane under N2; soln. of ethylidenebis(phenol) deriv. and Na in THF stirred at50°C for 4.0 h, Al(CH3)3 in hexane added slowly, mixt. stirred f or 12 h; evapn. under vac., residue dissolved in THF, hexane added, soln. filtered through Celite, filtrate stored at room temp. for several d; elem. anal.; | 91% |
Conditions | Yield |
---|---|
Stage #1: WO[OC(CH3)3]4; 2,2-ethylidenebis(4,6-tert-butylphenol) In diethyl ether for 0.5h; Inert atmosphere; Schlenk technique; Stage #2: acetonitrile Inert atmosphere; Schlenk technique; | 91% |
tris(1,2-ethanediolate)tungsten(VI)
2,2-ethylidenebis(4,6-tert-butylphenol)
Conditions | Yield |
---|---|
In toluene byproducts: 1,2-ethanediol; mixed at reflux; distilled (toluene, 4 h), evapd., chromy.(silica gel-CH2Cl2), crystd.(CH3CN), dried.(vac.) 40°C for 6 h, elem. anal.; | 90% |
titanium(IV) isopropylate
2,2-ethylidenebis(4,6-tert-butylphenol)
[Ti(2,2-ethylidenebis(4,6-di-tert-butylphenol)(-2H))(O(i-Pr))2]
Conditions | Yield |
---|---|
In hexane byproducts: i-PrOH; to rapidly stirred hexane soln. of edbp (4.9 mmol) Ti(O(i-Pr))4 (4.9 mmol) added, stirred for 48 h at room temp.; filtered, washed (hexane), recrystd. (CH2Cl2); elem. anal.; | 90% |
In toluene byproducts: isopropanol; complex obtained by react. of CH3CH2(C6H2(OH)(t-Bu)2)2 and Ti(OPri)4 in toluene at 60°C for 3 h; elem. anal.; complex washed with toluene and azeotropic distilated; |
Conditions | Yield |
---|---|
With sodium hexamethyldisilazane In tetrahydrofuran; toluene at 20℃; for 12h; Inert atmosphere; | 90% |
toluene-4-sulfonic acid 2-(2-methoxyethoxy)ethyl ester
2,2-ethylidenebis(4,6-tert-butylphenol)
2,4-di-tert-butyl-6-(1-(3,5-di-tert-butyl-2-(2-(2-methoxyethoxy)ethoxy)phenyl)ethyl)phenol
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 110℃; for 12h; | 89% |
tetrahydrofuran
2,2-ethylidenebis(4,6-tert-butylphenol)
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran; hexane at 0℃; for 1h; | 88% |
tetrahydrofuran
trimethylaluminum
2,2-ethylidenebis(4,6-tert-butylphenol)
sodium hydroxide
Conditions | Yield |
---|---|
In tetrahydrofuran; hexane under N2; soln. of ethylidenebis(phenol) deriv. and NaOH in THF stirred at 50°C for 12 h, Al(CH3)3 in hexane added slowly, mixt. stirred for 12 h; evapn. under vac., residue dissolved in THF, hexane added, soln. filtered through Celite, filtrate stored at room temp. for several h; elem. anal.; | 88% |
Conditions | Yield |
---|---|
at 60℃; for 16h; Inert atmosphere; | 88% |
2,2-ethylidenebis(4,6-tert-butylphenol)
Conditions | Yield |
---|---|
With sodium In tetrahydrofuran at 20℃; for 12h; Inert atmosphere; | 87% |
diethylaluminium chloride
2,2-ethylidenebis(4,6-tert-butylphenol)
chloro-(2,2'-ethylidene-bis(4,6-di-tert-butylphenolato))aluminum(III)
Conditions | Yield |
---|---|
In hexane dry N2-atmosphere; addn. of Et2AlCl to ligand at 0°C, stirring for 3 h; evapn. (vac.), dissoln. in PhMe, crystn. on cooling to room temp.; elem.anal.; | 86% |
Conditions | Yield |
---|---|
With potassium hexamethylsilazane In hexane; toluene at 20℃; for 12h; Inert atmosphere; | 86% |
tetrahydrofuran
trimethylaluminum
sodium
2,2-ethylidenebis(4,6-tert-butylphenol)
benzyl alcohol
[(2,2'-ethylidenebis(4,6-di-tert-butylphenol(-2H))AlMe(μ2-OBn)Na(THF)3]
Conditions | Yield |
---|---|
In tetrahydrofuran EDBP-H2, AlMe3, BnOH, Na (1:1:1:1 molar ratio) in THF; NMR; | 85% |
Conditions | Yield |
---|---|
In diethyl ether; toluene under N2; soln. of AlMe3 in toluene added slowly to ice cold (0°C) soln. of ligand (molar ratio 1.2:1) in Et2O; stirred for 2.5 h; dried in vac.; extd. with Et2O; filtered; filtrate concd.; cooled to -20°C; elem. anal.; | 84% |
trimethylaluminum
2,2-ethylidenebis(4,6-tert-butylphenol)
Conditions | Yield |
---|---|
In hexane; toluene under N2; soln. of AlMe3 in toluene added slowly to ice cold (0°C) soln. of ligand (molar ratio 1.2:1) in hexane; stirred for 2.5 h; dried in vac.; dissolved in hot (85°C) toluene; cooled to ambient temp.; elem. anal.; | 84% |
2,2-ethylidenebis(4,6-tert-butylphenol)
dimethyl sulfate
2,4-di-tert-butyl-6-(1-(3,5-di-tert-butyl-2-methoxyphenyl)ethyl)phenol
Conditions | Yield |
---|---|
Stage #1: 2,2-ethylidenebis(4,6-tert-butylphenol) With potassium carbonate In acetone at 20℃; for 0.5h; Stage #2: dimethyl sulfate In acetone for 48h; | 84% |
tetrahydrofuran
neodymium trichloride
trimethylsilylmethyllithium
2,2-ethylidenebis(4,6-tert-butylphenol)
bis(6,6'-(ethane-1,1-diyl)bis(2,4-di-tert-butylphenolate)NdLi(THF)3
Conditions | Yield |
---|---|
In tetrahydrofuran NdCl3 reacted with 3 equiv. of LiCH2SiMe3 in THF, treated in one portionwith ligand (2 equiv.), reacted at room temp.; | 83% |
Conditions | Yield |
---|---|
With rubidium tert-butoxide In toluene at 20℃; for 12h; Inert atmosphere; | 83% |
titanium(IV) iodide
2,2-ethylidenebis(4,6-tert-butylphenol)
Conditions | Yield |
---|---|
In hexane at 60℃; for 16h; Inert atmosphere; | 83% |
2,2-ethylidenebis(4,6-tert-butylphenol)
benzyl alcohol
Conditions | Yield |
---|---|
With n-butyllithium In diethyl ether; hexane at 0℃; for 1h; | 81% |
tetrahydrofuran
trimethylaluminum
2,2-ethylidenebis(4,6-tert-butylphenol)
Conditions | Yield |
---|---|
In tetrahydrofuran; toluene under N2; soln. of AlMe3 in toluene added slowly to ice cold (0°C) soln. of ligand (molar ratio 1.2:1) in THF; stirred for 2.5 h; dried in vac.; extd. with toluene; filtered; filtrate concd.; cooled to-20°C; elem. anal.; | 81% |
2,2-ethylidenebis(4,6-tert-butylphenol)
dimethylsilicon dichloride
2,4,8,10-Tetra-t-butyl-6,6,12-trimethyl-12H-dibenzo[d,g][1,3,2]dioxasilocin
Conditions | Yield |
---|---|
With triethylamine In toluene Ambient temperature; | 79% |
With triethylamine | 79% |
With triethylamine In toluene for 2h; Ambient temperature; |
diethyl ether
iodine
trimethylaluminum
2,2-ethylidenebis(4,6-tert-butylphenol)
[Al(2,2'-ethylidenebis(4,6-di-tert-butylphenolato))I(Et2O)]
Conditions | Yield |
---|---|
In diethyl ether; toluene (N2); AlMe3/toluene added slowly to I2/toluene at 0°C; after 20 min, ligand/ether added, stirred for 2 h; dried (vac.), extd. (ether), concd., crystd. (cooling); elem. anal.; | 79% |
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