As 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 services. DayangChem can provide different quantities of custom synthesis
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inquiryItems Standard Result Assay (Ursolic acid) 98%min 98.22% -----------------------------------------------------------------------------------------------------------
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inquiryhebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developm
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inquiryService we can provide: 1. Mixed container: We can mix different items in one container. 2. Quality control: Before shipment, we can provide free sample for test. Inspection before shipping. 3. Packing: We can pack according to your requirem
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inquiryT he company has advanced technology, as well as a large number of excellent R & D team, to provide customers from the grams to one hundred kilograms and tons of high-quality products, competitive prices and quality service Appearance:White
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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
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inquiry1. 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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inquiryShanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu
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inquiry2,2'-Methylenebis(6-tert-butyl-4-methylphenol) Basic information Product Name: 2,2'-Methylenebis(6-tert-butyl-4-methylphenol) Synonyms: 2,2’-bis;2,2’-bis(6-t-butyl-p-
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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 manufactu
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inquiryWITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et
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inquiryProduct Name: 2,2'-Methylenebis(6-tert-butyl-4-methylphenol) Synonyms: 2,2'-bis(6-t-butyl-p-cresyl)-methane;2,2'-bis-6-terc.butyl-p-kresylmethan;2,2'-bis-6-terc.butyl-p-kresylmethan(czech);2
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inquiryWe are leading fine chemicals supplier in China and Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED intermediat
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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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inquiryMinimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,MoneyGram Package 10g,20g,50g,100g,500g,1KGS,
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inquiryLocated in Wuhan City of Hubei Province, Wuhan Rison Trading co., Ltd is engaged in the supply of fine specialty chemicals. Our business includes metal surface treatment, such as nickel/zinc/copper plating, perfluoro chemicals, tin salts (stannous su
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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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inquiryAppearance:white to brown low melting crystallin... 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:Co
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inquiryOur Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
Hangzhou 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
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inquiryJ&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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inquiry■POLYMER ADDITIVES JADEWIN AN 2246 ANTIOXIDANT CHEMICAL COMPONENT COMPONENT 2,2'-Methylenebis(6-tert-butyl-4-methylphenol) CAS 119-47-1 Molecular C23H32O2 M.W 341 SPECIFICATION AND PHYSIC
Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and
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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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inquiry2,2'-bis(6-tert-butyl-4-methylphenol)MethyleneAppearance:White fine powder Storage:Kept in a cool,dry and ventilated place Package:according to customers' requirements Application:Meets the requirements Transportation:By air(EMS or EUB or FedEx or TN
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inquiryformaldehyd
p-cresol
tert-butyl methyl ether
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
Conditions | Yield |
---|---|
With sulfonated multi-walled carbon nanotubes In neat (no solvent) at 100℃; for 2.5h; Catalytic behavior; regiospecific reaction; | 100% |
Dimethoxymethane
2-tert-Butyl-4-methylphenol
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
Conditions | Yield |
---|---|
With acid clay at 170℃; for 2h; Reagent/catalyst; Temperature; | 97% |
With sulfuric acid at 60 - 70℃; for 2h; | 70% |
With cation exchanger KU-2; sulfuric acid at 100℃; for 3h; Kinetics; Mechanism; Rate constant; other time, other temperature; |
formaldehyd
2-tert-Butyl-4-methylphenol
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
Conditions | Yield |
---|---|
With sodium tetramethoxyborate In dimethyl sulfoxide at 150℃; for 0.5h; Reagent/catalyst; Temperature; Solvent; | 95% |
In xylene at 175℃; for 10h; | 85% |
With montmorillonite KSF In octane for 2h; Reflux; | 79% |
formaldehyd
2,4-di-tert-Butylphenol
A
2,2'-methylenebis(4,6-di-tert-butylphenol)
B
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
Conditions | Yield |
---|---|
With montmorillonite KSF In n-heptane for 2h; Reflux; | A 85% B 77% |
formaldehyd
2-tert-Butyl-4-methylphenol
A
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
Conditions | Yield |
---|---|
In toluene at 100℃; for 1h; Condensation; acetalisation; | A 35% B 48% |
Dimethoxymethane
2-tert-Butyl-4-methylphenol
A
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
B
2-(tert-butyl)-6-(methoxymethyl)-4-methylphenol
Conditions | Yield |
---|---|
With ion-exchange resin at 100℃; Product distribution; |
formaldehyde diethyl acetal
2-tert-Butyl-4-methylphenol
A
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
Conditions | Yield |
---|---|
With ion-exchange resin at 100℃; Product distribution; |
2-tert-Butyl-4-methylphenol
2-(tert-butyl)-6-(methoxymethyl)-4-methylphenol
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
Conditions | Yield |
---|---|
With cation exchanger KU-2; sulfuric acid at 100℃; for 3h; Kinetics; Mechanism; Rate constant; other time, other temperature; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sulfuric acid / 60 °C 2: aq.-ethanolic HCl View Scheme |
Dimethoxymethane
2-tert-Butyl-4-methylphenol
sulfuric acid
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
Conditions | Yield |
---|---|
at 100℃; |
6-tert-butyl-2-(2'-methoxy-3'-tert-butyl-5'-methylbenzyl)-4-methylphenol
A
2-tert-Butyl-6-methylphenol
B
2,4-dimethyl-6-tert-butylphenol
C
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
Conditions | Yield |
---|---|
With zinc(II) oxide; sodium hydroxide In methanol at 220℃; for 4h; |
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
A
1-methoxy-2-propanol
B
Hexadecane
C
2,6-di-tert-butyl-4-methyl-phenol
D
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
E
NSC 59850
Conditions | Yield |
---|---|
With montmorillonite K10-immobilized ZnO nanocomposite pH=4.5; Catalytic behavior; Reagent/catalyst; pH-value; Concentration; Sonication; |
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
titanium(IV)isopropoxide
bis(2,2'-methylene-bis(6-t-butyl-4-methylphenoxide))titanium
Conditions | Yield |
---|---|
In diethyl ether Ar atmosphere, addn. of Ti compound to soln. of phenol at room temp., stirring (room temp., 2 h); removement of volatiles, drying (120°C); elem. anal.; | 99% |
tetrahydrofuran
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
(cyclopentadienyl)Nb(2,2'-methylenebis(6-tert-butyl-4-methylphenoxo))(tetrahydrofuran)2
Conditions | Yield |
---|---|
In tetrahydrofuran (Ar); a soln. of ligand added slowly to a soln. of Nd complex, stirred for 1 h at 40°C; evapd. (vac.), extd. (toluene), crystd. at -10°C; elem. anal.; | 99% |
tetrahydrofuran
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
CpY(2,2'-methylene-bis(6-tert-butyl-4-methyl-phenoxo)(tetrahydrofuran)2
Conditions | Yield |
---|---|
In tetrahydrofuran under Ar; a THF soln. of a ligand (4.50 mmol) was slowly added to a THF soln. of Y-contg. compd. (3.45 mmol); the mixt. was stirred for 6 h at 50°C; the solvent was removed under vac.; toluene was added; crystals were obtained from toluene at -5°C; elem. anal.; | 99% |
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
Conditions | Yield |
---|---|
In acetonitrile at 75℃; for 1.5h; | 98% |
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
titanium tetramethoxide
dimethoxy[2,2'-methylenebis(6-tert-butyl-4-methylphenoxy)]titanium
Conditions | Yield |
---|---|
In hexane Ar atmosphere, stirring (room temp., 3 d); filtration, washing (hexane), drying (vacuum); elem. anal.; | 97% |
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
N,N'-bis(dichlorophosphino)aniline
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at -5 - 25℃; | 95% |
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
acrylic acid
2-(2-hydroxy-3-tert-butyl-5-methylbenzyl)-4-methyl-6-tert-butylphenyl acrylate
Conditions | Yield |
---|---|
With triethylamine; trichlorophosphate In nitrogen; toluene | 95% |
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
acryloyl chloride
2-(2-hydroxy-3-tert-butyl-5-methylbenzyl)-4-methyl-6-tert-butylphenyl acrylate
Conditions | Yield |
---|---|
With triethylamine In nitrogen; toluene | 95% |
With triethylamine In nitrogen; toluene | 72.7% |
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
trimethylaluminum
bis[Al(methyl)(2,2'-methylenebis(6-tert-butyl-4-methylphenolato))] complex
Conditions | Yield |
---|---|
In hexane byproducts: CH4; under Ar, std. Schlenk or glovebox techniques; soln. of Al(CH3)3 added slowly; heat observed; mixt. cooled; ppt. filtered off; washed with cold hexane; dried in vac.; elem. anal.; | 95% |
In hexane; toluene under Ar; 2 M soln. of AlMe3 in hexane added to soln. of bis(phenol) in toluene at room temp. (molar ratio = 1:1), mixt. stirred for 5 h; solid filtered off and washed twice with hexane; elem. anal.; | 65% |
In hexane; toluene Ar; hexane soln. of AlMe3 added to toluene/hexane soln. of ligand (1:1 molar ratio) at -78°C, slowly warmed to room temp., stirred for 8 h under O2; ppt. filtered off, washed (hexane), elem. anal.; | 52% |
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
Conditions | Yield |
---|---|
With sodium In tetrahydrofuran at 20℃; for 12h; Inert atmosphere; | 95% |
poly(methacrylic acid)
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
2-(2-hydroxy-3-tert-butyl-5-methylbenzyl)-4-methyl-6-tert-butylphenyl acrylate
Toluene-2-sulfonyl chloride
2-t-butyl-6-[1-(3-t-butyl-2-hydroxy-5-methylphenyl)ethyl]-4-methylphenyl acrylate
Conditions | Yield |
---|---|
With triethylamine In nitrogen; toluene | 94% |
methanol
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
2,4-dimethyl-6-tert-butylphenol
Conditions | Yield |
---|---|
With zinc(II) oxide; sodium hydroxide at 250℃; for 8h; | 94% |
tetrahydrofuran
methanol
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
[(2,2'-methylenebis(6-tert-butyl-4-methylphenoxo))Nd(μ-OMe)(tetrahydrofuran)2]2
Conditions | Yield |
---|---|
In tetrahydrofuran (Ar); a soln. of 2,2'-methylenebis(6-tert-butyl-4-methylphenol) added slowly to a soln. of Nd complex at 40°C, stirred for 1 h at 40°C, methanol added, stirred overnight at room temp.; centrifuged; also isolated from the concd. soln.; elem. anal.; | 93% |
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
titanium(IV)isopropoxide
methylenebis(6-tert-butyl-4-methylphenoxy-2-yl) diisopropoxytitanium(IV)
Conditions | Yield |
---|---|
In diethyl ether Ar atmosphere, addn. of soln. of phenol to soln. of Ti compound at 0°C; concn., crystn. (-20°C), filtration; elem. anal.; | 92% |
tetrahydrofuran
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
CpLa(2,2'-methylene-bis(6-tert-butyl-4-methyl-phenoxo)(tetrahydrofuran)3
Conditions | Yield |
---|---|
In tetrahydrofuran under Ar; a THF soln. of a ligand (4.50 mmol) was slowly added to a THF soln. of La-contg. compd. (3.00 mmol); the mixt. was stirred for 6 h at 50°C; the solvent was removed under vac.; toluene was added; crystals were obtained from toluene at -5°C; elem. anal.; | 92% |
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
titanium tetrachloride
methylenebis(6-tert-butyl-4-methylphenoxy-2-yl) dichlorotitanium(IV)
Conditions | Yield |
---|---|
In hexane Ar atmosphere, addn. of TiCl4 to soln. of phenol, stirring (room temp., 24 h); crystn. (-20°C, 18 h), filtration, drying (vacuum); elem. anal.; | 91% |
In hexane byproducts: HCl; TiCl4 was dropped to a soln. of MBPH2 in hexane. After 12 h standing at room temp. red crystals are formed.; | 88% |
In hexane byproducts: HCl; under nitrogen, stirring for 12 h; filtration, washing with pentane; | 88% |
In hexane at -40 - 20℃; for 16h; | 69% |
diethyl ether
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
triisobutylaluminum
(diethyl ether)-isobutyl-(2,2'-methylene-bis(4-methyl-6-tert-butylphenolato))aluminum(III)
Conditions | Yield |
---|---|
In diethyl ether; hexane dry N2-atmosphere; addn. of Al-i-Bu3 (in hexane) to 1 equiv. ligand (in Et2O) at 0°C, stirring for 2 h; evapn. (vac.), extn. into Et2O, filtration, concn., crystn. (4°C); elem. anal.; | 91% |
In diethyl ether byproducts: isobutane; under Ar; soln. of 2,2'-methylene-bis(6-tert-butyl-4-methylphenol) added to soln. of triisobutylaluminum (5 min, room temp.); stirred (2 h); ether removed; solid recrystd. (Et2O); elem.anal.; | 63% |
borane-THF
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
4,8-di-tert-butyl-2,10-dimethyl-12H-dibenzo[d,g][1,3,2]dioxaborocine
Conditions | Yield |
---|---|
In tetrahydrofuran byproducts: H2; (N2); after stirring in THF removal of volatiles in vacuo and heating to100°C for 90 min; crystn. (hexane); elem. anal.; | 91% |
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
Conditions | Yield |
---|---|
In toluene under N2; soln. of ligand in toluene added to suspn. of Sm(AlMe4)2 in toluene; brought to boiling; vol. reduced; cooled to room temp.; crystd. for 24 h; elem. anal.; | 91% |
tetrahydrofuran
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
Conditions | Yield |
---|---|
at 50℃; for 6h; Schlenk technique; Inert atmosphere; | 91% |
bis[N,N-bistrimethylsilylamido]bis(tetrahydrofuran)ytterbium(II)
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
bis(2,2'-methylenebis(6-tert-butyl-4-methylphenolate))tetrakis(tetrahydrofuran)diytterbium(II)
Conditions | Yield |
---|---|
In hexane; toluene under Ar; addn. of a soln. of ytterbium complex in hexane to a soln. of ligand in toluene, stirring at room temp. for 5 h; centrifugation, ppt. washed with hexane; elem. anal.; | 90.1% |
methanol
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
trimethyl indium
[Me6In3(OMe)(2,2'-methylenebis(4-methyl-6-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 -76°C; filtered; washed (Et2O); dried (vac.); elem. anal.; | 90% |
N,N,N,N,N,N-hexamethylphosphoric triamide
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
Conditions | Yield |
---|---|
In toluene at 20 - 100℃; Inert atmosphere; | 90% |
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
4,8-di-tert-butyl-2,10-dimethyl-12H-dibenzo[d,g][1,3,2]dioxaborocine
Conditions | Yield |
---|---|
With dimethylsulfide borane complex In toluene for 18h; Reflux; | 90% |
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
dimethyl sulfide borane
4,8-di-tert-butyl-2,10-dimethyl-12H-dibenzo[d,g][1,3,2]dioxaborocine
Conditions | Yield |
---|---|
In toluene under N2; phenol-compd. added to B-compd. in toluene, heated at reflux for 18 h; | 90% |
Sm(N(SiMe3)2)2(THF)2
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
bis(2,2'-methylenebis(6-tert-butyl-4-methylphenolate))hexakis(tetrahydrofuran)disamarium(II)
Conditions | Yield |
---|---|
In hexane; toluene under Ar; addn. of a soln. of samarium complex in hexane to a soln. of ligand in toluene, stirring at room temp. for 5 h; centrifugation, ppt. washed with hexane; elem. anal.; | 89.6% |
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