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 ch
Cas:947-42-2
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inquiryProduct Description
Cas:947-42-2
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquirychengdu and import and export trade 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 res
Cas:947-42-2
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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
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
Cas:947-42-2
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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
Cas:947-42-2
Min.Order:1 Kilogram
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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
Cas:947-42-2
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Type:Manufacturers
inquiryOur company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O
Cas:947-42-2
Min.Order:1 Kilogram
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inquiryOur advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva
Cas:947-42-2
Min.Order:1 Kilogram
FOB Price: $9.0 / 99.0
Type:Trading Company
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
Cas:947-42-2
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inquiryName Diphenylsilanediol Structural Formula CAS No. 947-42-2 Molecular Formula C12H12O
Appearance:White powder Storage:room temperature Package:25kg/drum Application:Diphenylsilanediol is used in Medicine field, electronics industry and polymer material. Transportation:Express/Sea/Air Port:any port in china
Cas:947-42-2
Min.Order:1 Kilogram
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inquiryProduct Name: Diphenylsilanediol CAS: 947-42-2 MF: C12H12O2Si MW: 216.31 EINECS: 213-427-4 Mol File: 947-42-2.mol Diphenylsilanediol Structure Diphenylsilanediol Chemical Properties Melting point 144-147 °C Boiling point
1.In No Less 10 years exporting experience. you can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specializ
Cas:947-42-2
Min.Order:1 Gram
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Type:Lab/Research institutions
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
Diphenylsilanediol CAS:947-42-2 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 organic intermed
Cas:947-42-2
Min.Order:1 Gram
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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
Cas:947-42-2
Min.Order:1 Kilogram
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Type:Lab/Research institutions
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
1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie
Cas:947-42-2
Min.Order:1 Kilogram
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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
Packing: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Transportation:Express/Sea/Air Port:Ningbo/Shanghai/Qingd
Cas:947-42-2
Min.Order:0
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inquiryMassive 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
Cas:947-42-2
Min.Order:1 Gram
FOB Price: $1.0
Type:Lab/Research institutions
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
Cas:947-42-2
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquirySuperior quality Appearance:White powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:Used as Pharmaceutical Intermediates Transportation:BY AI
Product 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,
Cas:947-42-2
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryProduct name: Diphenylsilanediol CAS No.:947-42-2 Molecule Formula:C12H12O2Si Molecule Weight:216.30 Purity: 99% Package: 25kg/drum Description:White crystalline powder Manufacture Standards:Enterprise Standard TESTING ITEMS
Cas:947-42-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an
GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
High quality, competitive price, fast delivery and first-class service we possesses have won the trust and praise of customers. Standard: BP/USP/EP The purity is equal or greater than 99%. As a supplier, we can provide high-quality products. Cle
Cas:947-42-2
Min.Order:1 Metric Ton
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inquiryZhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed
Cas:947-42-2
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With water In tetrahydrofuran at 20℃; for 0.5h; | 99% |
With oxygen In water; acetone at 30℃; under 760.051 Torr; for 0.333333h; | 99% |
With water; oxygen; hydroxyapatite-bound Ru In ethyl acetate at 80℃; for 9h; | 98% |
Conditions | Yield |
---|---|
With water; oxygen In tetrahydrofuran at 20℃; for 12h; Irradiation; | 98% |
With oxygen In tetrahydrofuran; water at 20℃; under 760.051 Torr; for 2h; Green chemistry; | 96% |
With 2,2,2-Trifluoroacetophenone; dihydrogen peroxide In ethyl acetate; acetonitrile for 0.25h; Green chemistry; | 78% |
With dihydrogen peroxide; copper(II) oxide In acetonitrile at 45℃; for 3h; Irradiation; | 98 %Chromat. |
bis(benzyloxy)diphenylsilane
diphenylsilanediol
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In ethyl acetate at 20℃; for 12h; | 98% |
With palladium-platinum; hydrogen In tetrahydrofuran at 20℃; for 1.5h; Concentration; | 89% |
Conditions | Yield |
---|---|
With water In acetone at 25℃; for 3h; Catalytic behavior; | A 97% B n/a |
With water; silver nitrate at 24.84℃; for 0.416667h; | A 85% B 88% |
Conditions | Yield |
---|---|
With water In tert-Amyl alcohol; toluene at 10 - 12℃; for 0.166667h; | 93% |
With H2O In water; toluene addn. of a soln. of (C6H5)2SiCl2 in toluene to a heterogeneous mixt. of toluene, t-amylalc. and H2O;; sucking off; crystn. from warm 2-butanone/CHCl3;; | 93% |
With H2O In water; toluene addn. of a soln. of (C6H5)2SiCl2 in toluene to a heterogeneous mixt. of toluene, t-amylalc. and H2O;; sucking off; crystn. from warm 2-butanone/CHCl3;; | 93% |
Conditions | Yield |
---|---|
With potassium hydroxide In potassium hydroxide (C6H5)2Si(OC2H5)2 and 5% aq. KOH at room temp. for 6 h; neutralization by acetic acid;; | 88.1% |
With KOH In potassium hydroxide aq. KOH; (C6H5)2Si(OC2H5)2 and 5% aq. KOH at room temp. for 6 h; neutralization by acetic acid;; | 88.1% |
bis(2-thienyl)diphenylsilane
diphenylsilanediol
Conditions | Yield |
---|---|
With trifluoroacetic acid In dichloromethane at 0℃; for 2h; | 86% |
pentaphenyldisilanecarboxylic acid
A
diphenylsilanediol
B
triphenylhydroxysilane
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol; water for 48h; Ambient temperature; | A 30% B 55% |
Conditions | Yield |
---|---|
With diethyl ether |
Conditions | Yield |
---|---|
With potassium hydroxide; acetic acid | |
In not given addn. of acid to a cold soln. of tetraphenyl-1,3-dioxydisiloxane in aq. KOH;; | |
Multi-step reaction with 2 steps 1: neat (no solvent) 2: KOH / ethanol View Scheme |
Conditions | Yield |
---|---|
With tetrachlorosilane; diethyl ether |
4-dimethylaminophenyllithium
diphenylsilyl dichloride
A
diphenylsilanediol
B
ph2(ph-4-Nme2)SiOH
Conditions | Yield |
---|---|
anschliessenden Hydrolysieren; |
piperidine
1,4-diethyl-1,1,2,2,3,3,4,4-octaphenyl-tetrasilane
A
diphenylsilanediol
piperidine
octaphenyl-1,4-diphenoxytetrasilane
A
diphenylsilanediol
B
phenol
Conditions | Yield |
---|---|
With bis(oxazoline derivative) oxorhenium(V); water In acetonitrile at 20℃; Title compound not separated from byproducts; | |
With [Re(O)(hoz)2][B(C6F5)4]; water In acetonitrile at 20℃; Kinetics; Temperature; Reagent/catalyst; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 78 percent / Li / tetrahydrofuran 2: 30 percent / 1 M KOH / ethanol; H2O / 48 h / Ambient temperature View Scheme |
diphenylsilanediol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: diethyl ether; silicon tetrachloride 2: diluted KOH-solution View Scheme |
Conditions | Yield |
---|---|
With potassium hydroxide In potassium hydroxide very impure;; | |
With water In water very impure;; | |
With KOH In potassium hydroxide aq. KOH; very impure;; | |
With H2O In water very impure;; |
(OC)4Mn(μ-SiPh2)(μ-H)Pt(PPh3)2
A
tetracarbonylhydrido(triphenylphosphine)manganese
(OC)4Mn(μ-PPh2)(μ-H)PtPh(PPh3)
C
diphenylsilanediol
Conditions | Yield |
---|---|
With water In not given byproducts: H2; | A <1 B n/a C n/a |
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 |
Conditions | Yield |
---|---|
With phenylmagnesium bromide In diethyl ether (C6H5O)2SiCl2 and C6H5MgBr in ether; addn. of ice and HCl;; | |
With C6H5MgBr In diethyl ether (C6H5O)2SiCl2 and C6H5MgBr in ether; addn. of ice and HCl;; | |
With phenylmagnesium bromide In diethyl ether (C6H5O)2SiCl2 and C6H5MgBr in ether; addn. of ice and HCl;; |
Conditions | Yield |
---|---|
With KOH In ethanol ppt. by addn. of CH3COOH;; |
diphenylsilanediol
1,1,1,3,3,3-hexamethyl-disilazane
1,1,1,5,5,5-hexamethyl-3,3-diphenyltrisiloxane
Conditions | Yield |
---|---|
In acetonitrile at 20℃; for 0.5h; | 99% |
1,3-Divinyl-1,1,3,3-tetramethyl-disilazan(germ.)=divinyltetramethyldisiloxane
diphenylsilanediol
1,5-divinyl-3,3-diphenyl-1,1,5,5-tetramethyltrisiloxane
Conditions | Yield |
---|---|
In acetonitrile at 20℃; for 0.5h; | 99% |
diphenylsilanediol
Conditions | Yield |
---|---|
With sodium tert-isoamylate In pyridine; diethyl ether at -10 - 25℃; for 1.5h; | 98% |
tert.-butylhydroperoxide
diphenylsilanediol
triphenylantimony
B
water
C
tert-butyl alcohol
Conditions | Yield |
---|---|
In 1,4-dioxane dissoln., cooling (5°C), soln. of peroxo compd. addn. under stirring, stirring (2 h), volatile product sepn. in cooled trap (reduced pressure); elem. anal.; | A 98% B 89% C 96% |
diphenylsilanediol
4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane
diphenyl-bis((4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)oxy)silane
Conditions | Yield |
---|---|
In toluene at 20℃; for 0.5h; Green chemistry; chemoselective reaction; | 98% |
diphenylsilanediol
1,1,3,3-tetramethyldisilazane
1,1,5,5-tetramethyl-3,3-diphenyl-trisiloxane
Conditions | Yield |
---|---|
In acetonitrile at 20℃; for 0.5h; | 98% |
Conditions | Yield |
---|---|
In benzene at 20℃; for 16h; Inert atmosphere; | 97% |
With magnesium hydroxide In methanol; toluene at 30℃; for 8h; |
Conditions | Yield |
---|---|
In toluene Dean-Stark; Reflux; Inert atmosphere; | 97% |
In toluene for 12h; Dean-Stark; Reflux; | 86% |
1,1,1,3,5,7,7,7-octamethyltetrasiloxane
diphenylsilanediol
1,1-diphenyl-3,5-bis-trimethylsiloxy-3,5-dimethylcyclotrisiloxane
Conditions | Yield |
---|---|
Stage #1: diphenylsilanediol With tris(pentafluorophenyl)borate In 5,5-dimethyl-1,3-cyclohexadiene at 40℃; Inert atmosphere; Stage #2: 1,1,1,3,5,7,7,7-octamethyltetrasiloxane In 5,5-dimethyl-1,3-cyclohexadiene at 40 - 60℃; for 2h; Inert atmosphere; | 96% |
Conditions | Yield |
---|---|
Stage #1: diphenylsilanediol; tetraacetoxysilane In acetonitrile at 25℃; for 1h; Stage #2: diphenylsilanediol In acetonitrile at 25℃; for 24h; | 95% |
tetramethyldivinyldisiloxane
diphenylsilanediol
1,5-divinyl-3,3-diphenyl-1,1,5,5-tetramethyltrisiloxane
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In hexane at 70 - 80℃; for 2h; Reagent/catalyst; Inert atmosphere; Green chemistry; | 94.6% |
Conditions | Yield |
---|---|
In toluene Condensation; Heating; | 94% |
In toluene byproducts: H2O; under N2; Ph2Si(OH)2 added to m-NH2C6H4B(OH)2 (molar ratio 1:1) in toluene; heated to reflux in Dean-Stark apparatus; elem. anal.; | 94% |
diphenylsilanediol
trimethylsilylacetylene
1,1,1,5,5,5-hexamethyl-3,3-diphenyltrisiloxane
Conditions | Yield |
---|---|
With potassium hexamethylsilazane In acetonitrile at 40℃; for 0.5h; Inert atmosphere; Green chemistry; chemoselective reaction; | 94% |
[(HC(CMeN(2,6-i-Pr2C6H3))2)AlH2]
diphenylsilanediol
[HC(CMeN(2,6-iPr2C6H3))2AlHO]2SiPh2
Conditions | Yield |
---|---|
In toluene at 20℃; for 72h; Schlenk technique; Inert atmosphere; | 93.5% |
diphenylsilanediol
Conditions | Yield |
---|---|
With ammonia; water; strontium In toluene | 93% |
Conditions | Yield |
---|---|
In toluene Condensation; Heating; | 93% |
In toluene byproducts: H2O; under N2; Ph2Si(OH)2 added to C4H9B(OH)2 (molar ratio 1:1) in toluene; heated to reflux in Dean-Stark apparatus; elem. anal.; | 93% |
Conditions | Yield |
---|---|
With triethylamine In toluene | 92.1% |
at 140 - 180℃; | |
With acetyl chloride |
Conditions | Yield |
---|---|
In toluene Condensation; Heating; | 92% |
diphenylsilanediol
2-Methylphenylboronic acid
(CH3C6H4BO)2((C6H5)2SiO)2
Conditions | Yield |
---|---|
In toluene byproducts: H2O; under N2; Ph2Si(OH)2 added to o-MeC6H4B(OH)2 (molar ratio 1:1) in toluene; heated to reflux in Dean-Stark apparatus; elem. anal.; | 92% |
diphenylsilanediol
naphthalene-2-boronic acid
Conditions | Yield |
---|---|
In toluene for 12h; Dean-Stark; Reflux; | 92% |
2,3-dimethyl-2,3-butane diol
diphenylsilanediol
boric acid
diphenyl-bis((4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)oxy)silane
Conditions | Yield |
---|---|
In toluene byproducts: H2O; inert atmosphere; refluxing (8 h); evapn., hexanes addn., filtering, pptn. on concg. (-22°C, severalh); elem. anal.; | 90.1% |
In benzene byproducts: H2O; azeotropic dehydration with C6H6, molar ratio of H3BO3:Ph2Si(OH)2:diol=2:1:2, under reflux; elem. anal.; |
Conditions | Yield |
---|---|
With sulfuric acid In ethyl acetate for 96h; Product distribution; other reagents and solvents, var. temp.; | 90% |
With toluene-4-sulfonic acid In water for 168000h; | 70% |
With toluene-4-sulfonic acid for 4.91667h; | 49% |
diphenylsilanediol
m-nitrobenzene boronic acid
Conditions | Yield |
---|---|
In toluene Condensation; Heating; | 90% |
In toluene byproducts: H2O; under N2; Ph2Si(OH)2 added to m-NO2C6H4B(OH)2 (molar ratio 1:1) in toluene; heated to reflux in Dean-Stark apparatus; elem. anal.; | 90% |
bis(cyclopentadienyl)dimethylzirconium(IV)
diphenylsilanediol
Conditions | Yield |
---|---|
In diethyl ether byproducts: CH4; Ar-atmosphere; addn. of equimolar amt. of silanol to metal complex (0°C); evapn., addn. of toluene and hexane, filtration, crystn. (refrigerator, 2 days); elem. anal.; | 90% |
Conditions | Yield |
---|---|
In diethyl ether byproducts: CH4; Ar-atmosphere; addn. of equimolar amt. of silanol to metal complex (0°C); evapn., addn. of toluene and hexane, filtration, crystn. (refrigerator, 2 days); | 90% |
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