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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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inquiry1,1,3,3-TETRAPHENYLDISILOXANE DIOL CAS:1104-93-4 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality
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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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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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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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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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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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inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:Beijing or Guangzhou
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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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inquirySupply top quality products with a reasonable price Application:api
1,1,3,3-TETRAPHENYLDISILOXANEDIOLAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
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inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
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inquiryShanghai, Run-Biotech Co., Ltd is a leading domestic pharmaceutical, biopharmaceutical, and health care products R & D outsourcing services company. As an innovation-driven and customer-focused company, Run Biotech provides a broad and integrated por
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inquiry1,3-Disiloxanediol,1,1,3,3-tetraphenyl- Storage:keep in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/pharma intermediate Transportation:By Sea,by Air,By courier like DHL or Fedx. Port:Shanghai/She
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inquiryThe company have effective management team, professional technical R & D personnel, the service spirit of customer oriented. We have long-term cooperation with famous domestic manufacturer, and excellent customer resources overseas. We are skilled in
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inquiryHigh purity Application:Pharmaceutical intermediates, Material synthesis and analyzing the expectant ingredients
Purity: >97%
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inquiry1,3-dichloro-1,1,3,3-tetraphenyldisiloxane
1,1,3,3-tetraphenyldisiloxane-1,3-diol
Conditions | Yield |
---|---|
In tert-Amyl alcohol; toluene hydrolysis at room temp.;; | 92% |
In tert-Amyl alcohol; toluene hydrolysis at room temp.;; | 92% |
With water; triethylamine In diethyl ether; acetone at 0 - 20℃; | 81% |
hydrogenchloride
cis-dichlorobis(trimethylphosphine)platinum(II)
B
1,1,3,3-tetraphenyldisiloxane-1,3-diol
Conditions | Yield |
---|---|
In 1,4-dioxane; dichloromethane at 20℃; | A 89% B 64% |
Conditions | Yield |
---|---|
With water at 80℃; Temperature; | 75% |
Conditions | Yield |
---|---|
at 125 - 128℃; | |
With ammonium hydroxide; acetone | |
With hydrogenchloride | |
In not given recrystn. of (C6H5)2Si(OH)2 in presence of acid;; |
diphenylsilanediol
A
1,1,3,3-tetraphenyldisiloxane-1,3-diol
B
Hexaphenyltrisiloxan-1,5-diol
Conditions | Yield |
---|---|
at 125 - 128℃; |
1,3-diethoxy-1,1,3,3-tetraphenyl-disiloxane
1,1,3,3-tetraphenyldisiloxane-1,3-diol
Conditions | Yield |
---|---|
With hydrogenchloride |
Conditions | Yield |
---|---|
With ammonium hydroxide | |
Multi-step reaction with 2 steps 1: diluted KOH-solution 2: hydrochloric acid View Scheme | |
Multi-step reaction with 2 steps 1: diethyl ether; aqueous dioxane 2: tert-pentyl alcohol; toluene; water View Scheme |
diphenylsilyl dichloride
A
1,1,3,3-tetraphenyldisiloxane-1,3-diol
B
diphenylsilanediol
C
Hexaphenyltrisiloxan-1,5-diol
Conditions | Yield |
---|---|
With ammonium carbonate In diethyl ether for 12h; Heating; | A 8.3 g B 8.0 g C n/a |
diphenylsilanediol
acetone
A
1,1,3,3-tetraphenyldisiloxane-1,3-diol
B
Hexaphenyltrisiloxan-1,5-diol
1,1,3,3-tetraphenyldisiloxane-1,3-diol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: diethyl ether; silicon tetrachloride 2: concentrated aqueous ammonia View Scheme | |
Multi-step reaction with 3 steps 1: diethyl ether; silicon tetrachloride 2: diluted KOH-solution 3: hydrochloric acid View Scheme | |
Multi-step reaction with 2 steps 1: diethyl ether; silicon tetrachloride 2: hydrochloric acid View Scheme |
diphenylsilyl dichloride
A
1,1,3,3-tetraphenyldisiloxane-1,3-diol
B
diphenylsilanediol
Conditions | Yield |
---|---|
With H2O; NH3 In ammonia aq. ammonia=NH3; | |
With H2O In water |
diphenylsilanediol
diphenylsilyl dichloride
A
1,1,3,3-tetraphenyldisiloxane-1,3-diol
B
Hexaphenyltrisiloxan-1,5-diol
Conditions | Yield |
---|---|
mech. sepn. of the crystals;; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: KOH / ethanol 2: not given View Scheme | |
Multi-step reaction with 2 steps 1: KOH / ethanol View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: HCl / acetone; chloroform 2: KOH / ethanol View Scheme |
Conditions | Yield |
---|---|
With n-butyllithium In hexane at 0 - 20℃; for 24h; Inert atmosphere; Schlenk technique; Glovebox; | 100% |
Conditions | Yield |
---|---|
With n-butyllithium In hexane at 0 - 20℃; for 12h; Inert atmosphere; Schlenk technique; Glovebox; | 100% |
phenyldimethoxystibine
1,1,3,3-tetraphenyldisiloxane-1,3-diol
Conditions | Yield |
---|---|
In dichloromethane byproducts: MeOH; Ar; Si-compd. soln. addn. slowly dropwise to Sb-compd. soln. at 0°C, stirring for 30 min at same temp., solvent vac. removal; elem. anal.; | 98% |
1,1,3,3-tetraphenyldisiloxane-1,3-diol
Conditions | Yield |
---|---|
In tetrahydrofuran byproducts: isopropyl alcohol; soln. of Zr complex in THF added to soln. of Si compound in THF; heated at 50°C for 1h; solvents removed under vac.; the residue dissolved in THF, poured into hexane with vigorous stirring; filtered; elem. anal.; | 96.1% |
1,1,3,3-tetraphenyldisiloxane-1,3-diol
dimethoxymethylstibane
2,8-dimethyl-1,3,5,7,9,11-hexaoxa-4,4',6,6',10,10',12,12'-octaphenyl-4,6,10,12-tetrasila-2,8-distibacylododecane
Conditions | Yield |
---|---|
In dichloromethane byproducts: MeOH; Ar; Si-compd. soln. addn. slowly dropwise to Sb-compd. soln. at 0°C, stirring for 30 min at same temp., solvent vac. removal; elem. anal.; | 96% |
1,1,3,3-tetraphenyldisiloxane-1,3-diol
phenylboronic acid
pentaphenylboracyclotrisiloxane
Conditions | Yield |
---|---|
In benzene byproducts: water; refluxing (equimolar mixture, 4 h, continuous removal of water); cooling, filtration, distn. (reduced pressure), recrystn. (Et2O:petroleum ether 1:3); elem. anal.; | 95% |
[Cp(CO)2W]2SnCl2
1,1,3,3-tetraphenyldisiloxane-1,3-diol
Conditions | Yield |
---|---|
With NEt3 In diethyl ether byproducts: [HNEt3]Cl; N2-atmosphere; stirring (room temp., overnight); filtering, evapn. (reduced pressure); elem. anal.; | 95% |
1,1,3,3-tetraphenyldisiloxane-1,3-diol
dihydrogen peroxide
tetraphenyl phosphonium chloride
Conditions | Yield |
---|---|
With NaOH In ethanol; water addn. of MoO3 to aq. H2O2, stirring (60°C, 1 h), cooling to room temp., centrifugation, addn. to the siloxane in EtOH, addn. of aq. NaOH,stirring (45 min), pptn. with (PPh4)Cl in EtOH; filtration, washing (H2O; Et2O), drying in air; | 95% |
1,1,3,3-tetraphenyldisiloxane-1,3-diol
Conditions | Yield |
---|---|
With NEt3 In diethyl ether byproducts: [HNEt3]Cl; N2-atmosphere; stirring (room temp., overnight), filtering, evapn. (reduced pressure); elem. anal.; | 91% |
1,1,3,3-tetraphenyldisiloxane-1,3-diol
Conditions | Yield |
---|---|
With NEt3 In diethyl ether byproducts: [HNEt3]Cl; N2-atmosphere; stirring (room temp., overnight); filtering, evapn. (reduced pressure); elem. anal.; | 91% |
1,1,3,3-tetraphenyldisiloxane-1,3-diol
bis(triphenyltin) oxide
1,3-bis-(triphenylstannoxy)-1,1,3,3-tetraphenyl-1,3-disiloxane
Conditions | Yield |
---|---|
In benzene byproducts: H2O; refluxing; removing solvent (vac.), recrystn. (60-80 petrol), elem. anal.; | 90% |
2,3-dimethyl-2,3-butane diol
1,1,3,3-tetraphenyldisiloxane-1,3-diol
boric acid
O(Si(C6H5)2OB(OC(CH3)2)2)2
Conditions | Yield |
---|---|
In not given byproducts: H2O; inert atmosphere; elem. anal.; | 88.8% |
(chloromethyl)trichlorosilane
1,1,3,3-tetraphenyldisiloxane-1,3-diol
A
2-Chloro-2-chloromethyl-4,4,6,6-tetraphenyl-[1,3,5,2,4,6]trioxatrisilinane
Conditions | Yield |
---|---|
With pyridine In toluene for 3h; Heating; | A n/a B 87.6% |
Methyltrichlorosilane
1,1,3,3-tetraphenyldisiloxane-1,3-diol
1,1,7,7-tetrachloro-1,7-dimethyl-3,3,5,5-tetraphenyltetrasiloxane
Conditions | Yield |
---|---|
In diethyl ether at -5℃; for 2h; | 87.5% |
2-methyl-2,4-pentanediol
1,1,3,3-tetraphenyldisiloxane-1,3-diol
boric acid
O(Si(C6H5)2OBO2C3H3(CH3)3)2
Conditions | Yield |
---|---|
In not given byproducts: H2O; inert atmosphere; elem. anal.; | 87.1% |
1,2-dimethoxyethane
1,1,3,3-tetraphenyldisiloxane-1,3-diol
lithium tert-butoxide
Conditions | Yield |
---|---|
Stage #1: 1,1,3,3-tetraphenyldisiloxane-1,3-diol; lithium tert-butoxide In tetrahydrofuran at 20℃; for 3.5h; Inert atmosphere; Stage #2: iron(II) triflate In tetrahydrofuran at 20℃; Inert atmosphere; Stage #3: 1,2-dimethoxyethane In hexane at 20℃; Inert atmosphere; | 87% |
trichlorovinylsilane
1,1,3,3-tetraphenyldisiloxane-1,3-diol
A
2-Chloro-4,4,6,6-tetraphenyl-2-vinyl-[1,3,5,2,4,6]trioxatrisilinane
Conditions | Yield |
---|---|
With pyridine In toluene for 3h; Heating; | A n/a B 86.4% |
1,1,3,3-tetraphenyldisiloxane-1,3-diol
mesitylboronic acid
cyclo-1-mesityl-3,3,7,7-tetraphenyl-1-bora-3,5-disiloxane
Conditions | Yield |
---|---|
In benzene byproducts: water; refluxing (equimolar mixture, 4 h, continuous removal of water); cooling, filtration, distn. (reduced pressure), recrystn. (petroleum ether); elem. anal.; | 86% |
1,1,3,3-tetraphenyldisiloxane-1,3-diol
Conditions | Yield |
---|---|
In tetrahydrofuran byproducts: isopropyl alcohol; soln. of Ti complex in THF added to soln. of Si compound in THF; heated at 50°C for 1h; solvents removed under vac.; the residue dissolved in THF, poured into hexane with vigorous stirring; filtered; elem. anal.; | 85.2% |
Conditions | Yield |
---|---|
With 4 A molecular sieves In tetrachloromethane stirring with molecular sieves overnight; decantation of suspn. from sieves, solvent removal (vac.), trituration with hexane; elem. anal.; | 85% |
(((2,6-Me2NCH2)2C6H3)SbO)2
1,1,3,3-tetraphenyldisiloxane-1,3-diol
Conditions | Yield |
---|---|
In benzene at 20℃; Inert atmosphere; Schlenk technique; | 85% |
1,1,3,3-tetraphenyldisiloxane-1,3-diol
[Os3(CO)10(μ-H)(μ-OSiPh2OSiPh2OH)]
Conditions | Yield |
---|---|
In xylene Si-compd.:Os-compd.=2:1, Os-compd. concn. is 1.2E-1 M, under N2, P2O5 asH2O remover, 4 h or 9:1 molar ratio, 1E-1 M Os-compd. concn., and 11 h, resp.; yield were quant. or 50 % from NMR, resp., the first reaction mixt. was evapd. to dryness, residue was chromd. (silica, CH2Cl2/pentane=10:3), elem. anal.; | 84% |
1,1,3,3-tetraphenyldisiloxane-1,3-diol
di-tert-butyltin dichloride
Conditions | Yield |
---|---|
With NEt3 In acetone byproducts: HNEt3Cl; N2-atmosphere; dropwise addn. of Sn-compd. to equimolar amt. of Si-compd. with 2 equiv. NEt3; filtration off of HNEt3Cl, evapn. (vac.), recrystn. (PhMe); elem. anal.; | 84% |
tetrahydrofuran
n-butyllithium
1,1,3,3-tetraphenyldisiloxane-1,3-diol
Conditions | Yield |
---|---|
Stage #1: tetrahydrofuran; n-butyllithium; 1,1,3,3-tetraphenyldisiloxane-1,3-diol In hexane at 0℃; for 5h; Inert atmosphere; Schlenk technique; Glovebox; Stage #2: terbium(III) chloride In hexane Inert atmosphere; Schlenk technique; Glovebox; | 84% |
tetrahydrofuran
1,1,3,3-tetraphenyldisiloxane-1,3-diol
lithium tert-butoxide
Conditions | Yield |
---|---|
Stage #1: tetrahydrofuran; 1,1,3,3-tetraphenyldisiloxane-1,3-diol; lithium tert-butoxide at 20℃; for 3h; Stage #2: chromium(III) chloride tris(tetrahydrofuran) solvate | 84% |
Dichloromethylvinylsilane
1,1,3,3-tetraphenyldisiloxane-1,3-diol
A
2-Methyl-4,4,6,6-tetraphenyl-2-vinyl-[1,3,5,2,4,6]trioxatrisilinane
B
1,7-dichloro-1,7-dimethyl-1,7-divinyl-3,3,5,5-tetraphenyltetrasiloxane
Conditions | Yield |
---|---|
With pyridine In toluene for 3h; Heating; | A n/a B 83.5% |
bis(hydroxydiphenylstannyl)methane
1,1,3,3-tetraphenyldisiloxane-1,3-diol
Conditions | Yield |
---|---|
In toluene heating mixt. of hydroxystannane and hydroxysilane in toluene at 60 °C for 30 min; filtration, solvent evapn. in vac., recrystn. (hexane-CH2Cl2 1:1); elem. anal.; | 81% |
1,2-dimethoxyethane
[scandium(III)(chloride)3(tetrahydrofuran)3]
1,1,3,3-tetraphenyldisiloxane-1,3-diol
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
In 1,2-dimethoxyethane byproducts: LiCl; under N2; LiN(SiMe3)2 added to suspn. of ScCl3(THF)3 in DME; stirred for12 h; treated with solid disiloxanediol; heated under reflux for 1 h; filtered; filtrate concd.; crystd. at 2°C for 1 wk; elem. anal.; | 81% |
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