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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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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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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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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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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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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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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inquiryHigh quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
We 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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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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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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inquiry2-(4-iodophenyl)ethynyl-trimethylsilane Application:2-(4-iodophenyl)ethynyl-trimethylsilane
We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:beige crystalline powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use
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inquirySupply top quality products with a reasonable price Application:api
(4-IODO-PHENYLETHYNYL)-TRIMETHYL-SILANECASAppearance: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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inquiry2-(4-iodophenyl)ethynyl-trimethylsilaneAppearance:ask Storage:Keep in dry and cool condition Package:foil aluminium bag/vacuum packing Application:intermediates Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small amount. By air
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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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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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inquiry1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G
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inquiryPrice, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right
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inquiryFor quick quotation, please send us the inquiry include CAS#, Structure, Chemical Name, quantity, purity, as well as any additional specifications you require, we will try to get back to you within 24 hours. Our Services Besides manufacturing,
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inquiryAt Share Chemical Company, we scrupulously abide by our policy of “Excellent Quality at a Reasonable Price”. We strive to satisfy all of our customers by providing the finest quality products supported by the finest in customer servi
R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou
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inquiry1. Production capacity: we have three production base with high-tech production equipment and instruments, equipped with professional production personnel, meet your requirements.2. Quality assurance: we have a first-class testing equipment and testi
United Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat
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inquiry1,Best Quality: Our products have exported to Germany, Spain, UK, USA, Australia, Middle East, and so on other countries, and we have got very good feedback from our customers.so you can trust us. 2,
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inquiry2-(4-iodophenyl)ethynyl-trimethylsilaneAppearance:ask Storage:Keep in dry and cool condition Package:foil aluminium bag/vacuum packing Application:intermediates Transportation:by air or by sea
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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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inquiry(4-bromophenyl)(trimethylsilyl)acetylene
1-iodo-4-(trimethylsilylethynyl)benzene
Conditions | Yield |
---|---|
With iodine; tert.-butyl lithium at -78℃; | 100% |
Stage #1: (4-bromophenyl)(trimethylsilyl)acetylene With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h; Inert atmosphere; Stage #2: With iodine In tetrahydrofuran; hexane at -78 - 25℃; for 2h; Inert atmosphere; | 96% |
With iodine; tert.-butyl lithium In tetrahydrofuran; pentane at -78 - 0℃; for 0.583333h; | 95% |
Stage #1: (4-bromophenyl)(trimethylsilyl)acetylene With n-butyllithium In diethyl ether Stage #2: With iodine In diethyl ether | 90% |
Stage #1: (4-bromophenyl)(trimethylsilyl)acetylene With n-butyllithium In diethyl ether Stage #2: With iodine In diethyl ether Further stages.; | 90% |
1-[4-[2-(trimethylsilyl)ethynyl]phenyl]-3,3-diethyltriazene
1-iodo-4-(trimethylsilylethynyl)benzene
Conditions | Yield |
---|---|
With methyl iodide at 115℃; for 24h; | 97% |
With methyl iodide at 120℃; | 91% |
With methyl iodide at 110℃; for 96h; | 86% |
1-[4-[2-(trimethylsilyl)ethynyl]phenyl]-3,3-diethyltriazene
methyl iodide
1-iodo-4-(trimethylsilylethynyl)benzene
Conditions | Yield |
---|---|
at 110 - 120℃; for 6h; | 96% |
4-trimethylsilylethynyl aniline
1-iodo-4-(trimethylsilylethynyl)benzene
Conditions | Yield |
---|---|
Stage #1: 4-trimethylsilylethynyl aniline In water for 0.25h; Stage #2: With hydrogenchloride In water for 0.166667h; Further stages; | 85% |
Stage #1: 4-trimethylsilylethynyl aniline With hydrogenchloride; sodium nitrite at 0 - 5℃; for 0.75h; Stage #2: With potassium iodide In dichloromethane; water at 20℃; for 4h; Further stages.; | 65% |
Stage #1: 4-trimethylsilylethynyl aniline With hydrogenchloride; sodium nitrite at 0℃; Stage #2: With sodium iodide | 57% |
1-iodo-4-(trimethylsilylethynyl)benzene
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In toluene at 100℃; for 12h; | 83% |
1-iodo-4-(trimethylsilylethynyl)benzene
Conditions | Yield |
---|---|
With Chloroiodomethane; [4,4’-bis(1,1-dimethylethyl)-2,2’-bipyridine-N1,N1‘]bis [3,5-difluoro-2-[5-(trifluoromethyl)-2-pyridinyl-N]phenyl-C]iridium(III) hexafluorophosphate In ethyl acetate for 12h; Schlenk technique; Inert atmosphere; Irradiation; | 76% |
1-iodo-4-(trimethylsilylethynyl)benzene
Conditions | Yield |
---|---|
With potassium iodide In acetone at 0℃; | 67% |
para-diiodobenzene
trimethylsilylacetylene
1-iodo-4-(trimethylsilylethynyl)benzene
Conditions | Yield |
---|---|
Stage #1: para-diiodobenzene With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In tetrahydrofuran Sonogashira Cross-Coupling; Inert atmosphere; Stage #2: trimethylsilylacetylene In tetrahydrofuran at 130℃; for 0.25h; Sonogashira Cross-Coupling; Inert atmosphere; Microwave irradiation; | 55% |
With copper(l) iodide; N-ethyl-N,N-diisopropylamine; triphenylphosphine; bis(dibenzylideneacetone)-palladium(0) In tetrahydrofuran for 36h; Ambient temperature; | 53% |
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In tetrahydrofuran at 40℃; for 6h; | 39% |
para-diiodobenzene
trimethylsilylacetylene
A
1,4-Bis(trimethylsilylethynyl)benzene
B
1-iodo-4-(trimethylsilylethynyl)benzene
Conditions | Yield |
---|---|
With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); potassium carbonate for 17h; Sonogashira coupling; Neat (no solvent); | A 43% B 20% |
Stage #1: para-diiodobenzene With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); triethylamine In toluene at 20℃; for 0.0833333h; Sonogashira reaction; Inert atmosphere; Stage #2: trimethylsilylacetylene In toluene at 20 - 50℃; Sonogashira reaction; | A 20% B 38.3% |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: 95 percent / CuI; Et3N / PdCl2(PPh3)2 / tetrahydrofuran 2.1: n-BuLi / diethyl ether 2.2: 90 percent / I2 / diethyl ether View Scheme | |
Multi-step reaction with 2 steps 1.1: 95 percent / PdCl2(PPh3)2; CuI; Et3N / tetrahydrofuran 2.1: n-BuLi / diethyl ether 2.2: 90 percent / I2 / diethyl ether View Scheme |
trimethylsilylacetylene
1-iodo-4-(trimethylsilylethynyl)benzene
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: 95 percent / CuI; Et3N / PdCl2(PPh3)2 / tetrahydrofuran 2.1: n-BuLi / diethyl ether 2.2: 90 percent / I2 / diethyl ether View Scheme |
trimethylsilylacetylene
1-iodo-4-(trimethylsilylethynyl)benzene
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: 95 percent / PdCl2(PPh3)2; CuI; Et3N / tetrahydrofuran 2.1: n-BuLi / diethyl ether 2.2: 90 percent / I2 / diethyl ether View Scheme |
1-(4-Bromophenyl)-3,3-diethyltriazene
1-iodo-4-(trimethylsilylethynyl)benzene
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 76 percent / TPP; Cu(OAc)2; Et3N / PdCl2 / 6 h / Heating 2: 97 percent / MeI / 24 h / 115 °C View Scheme |
4-bromo-aniline
1-iodo-4-(trimethylsilylethynyl)benzene
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: hydrochloric acid; NaNO2 / H2O / 0.5 h / cooling 1.2: 91 percent / K2CO3 / H2O / 0.5 h / 0 - 20 °C 2.1: 76 percent / TPP; Cu(OAc)2; Et3N / PdCl2 / 6 h / Heating 3.1: 97 percent / MeI / 24 h / 115 °C View Scheme |
p-aminoiodobenzene
1-iodo-4-(trimethylsilylethynyl)benzene
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: 6 M HCl / acetonitrile / 0.25 h / 70 °C 1.2: aq. sodium nitrite / H2O; acetonitrile / 0.25 h / 15 °C 1.3: 94 percent / potassium carbonate / acetonitrile; H2O / 0.17 h / cooling 2.1: 95 percent / copper iodide; bis(triphenylphosphine)palladium(II) chloride; triethylamine / 3 h / 30 °C 3.1: 86 percent / methyl iodide / 96 h / 110 °C View Scheme | |
Multi-step reaction with 2 steps 1.1: Pd(PPh3)2Cl2; CuI; triethylamine / 20 °C 2.1: BF3*Et2O; t-BuONO / diethyl ether / 0.5 h / -20 - 5 °C 2.2: 13.2 g / NaI; I2 / acetonitrile / 1 h / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1.1: 69 percent / CuI; pyridine / Pd(PPh3)4 / tetrahydrofuran / 0 °C 2.1: NaNO2; aq. HCl / 0 °C 2.2: 57 percent / NaI View Scheme |
3,3-diethyl-1-(4-iodophenyl)-1-triazene
1-iodo-4-(trimethylsilylethynyl)benzene
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 95 percent / copper iodide; bis(triphenylphosphine)palladium(II) chloride; triethylamine / 3 h / 30 °C 2: 86 percent / methyl iodide / 96 h / 110 °C View Scheme | |
Multi-step reaction with 2 steps 1: triphenylphosphine; copper(l) iodide; bis-triphenylphosphine-palladium(II) chloride; triethylamine / 90 °C 2: methyl iodide / 120 °C View Scheme |
trimethylsilylacetylene
1-iodo-4-(trimethylsilylethynyl)benzene
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: Pd(PPh3)2Cl2; CuI; triethylamine / 20 °C 2.1: BF3*Et2O; t-BuONO / diethyl ether / 0.5 h / -20 - 5 °C 2.2: 13.2 g / NaI; I2 / acetonitrile / 1 h / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1.1: 69 percent / CuI; pyridine / Pd(PPh3)4 / tetrahydrofuran / 0 °C 2.1: NaNO2; aq. HCl / 0 °C 2.2: 57 percent / NaI View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 82 percent / Et3N; PPh3; CuI / Pd(OAc)2 / 20 °C 2: 87 percent / tBuONO; BF3*Et2O / tetrahydrofuran / 1 h / -20 - 5 °C 3: 67 percent / aq. KI / acetone / 0 °C View Scheme | |
Multi-step reaction with 2 steps 1.1: 85 percent / Pd(Ph3P)4; piperidine; CuI / 3 h / 20 °C 2.1: NaNO2; aq. HCl / 0.75 h / 0 - 5 °C 2.2: 65 percent / KI / CH2Cl2; H2O / 4 h / 20 °C View Scheme |
trimethylsilylacetylene
1-iodo-4-(trimethylsilylethynyl)benzene
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 90 percent / PdCl2(PPh3)2, CuI, Et3N / 18 h / Ambient temperature 2: 1.) NaNO2, conc. aq. HCl, 2.) KI / 1.) 0 deg C, 45 min, 2.) water, RT, overnight View Scheme | |
Multi-step reaction with 2 steps 1.1: copper(l) iodide; bis-triphenylphosphine-palladium(II) chloride; triethylamine / tetrahydrofuran / Inert atmosphere 2.1: n-butyllithium / tetrahydrofuran; hexane / 0.5 h / -78 °C / Inert atmosphere 2.2: 2 h / -78 - 25 °C / Inert atmosphere View Scheme |
1,4-bromoiodobenzene
1-iodo-4-(trimethylsilylethynyl)benzene
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: copper(l) iodide; bis-triphenylphosphine-palladium(II) chloride; triethylamine / tetrahydrofuran / Inert atmosphere 2.1: n-butyllithium / tetrahydrofuran; hexane / 0.5 h / -78 °C / Inert atmosphere 2.2: 2 h / -78 - 25 °C / Inert atmosphere View Scheme |
trimethylsilylacetylene
1-iodo-4-(trimethylsilylethynyl)benzene
Conditions | Yield |
---|---|
Sonogashira Cross-Coupling; |
4-[2-(trimethylsilyl) ethynyl]benzoic acid
1-iodo-4-(trimethylsilylethynyl)benzene
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 20 °C / Inert atmosphere; Schlenk technique 2: [4,4’-bis(1,1-dimethylethyl)-2,2’-bipyridine-N1,N1‘]bis [3,5-difluoro-2-[5-(trifluoromethyl)-2-pyridinyl-N]phenyl-C]iridium(III) hexafluorophosphate; Chloroiodomethane / ethyl acetate / 12 h / Schlenk technique; Inert atmosphere; Irradiation View Scheme |
Conditions | Yield |
---|---|
With copper(l) iodide; N-ethyl-N,N-diisopropylamine; bis-triphenylphosphine-palladium(II) chloride In tetrahydrofuran at 20℃; Sonogashira coupling; | 100% |
1-iodo-4-(trimethylsilylethynyl)benzene
diethyl 5-ethynyl-1,3-benzenedicarboxylate
diethyl 5-[(4-[trimethysilylethynyl]phenyl)ethynyl]isophthaloate
Conditions | Yield |
---|---|
With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); diisopropylamine In tetrahydrofuran Inert atmosphere; | 99% |
With piperidine; copper(l) iodide; tetrakis(triphenylphosphine) palladium(0) at 20℃; for 3h; | 88% |
1-iodo-4-(trimethylsilylethynyl)benzene
(N,N-Didodecylamino)phenylacetylene
N,N-didodecyl-4-[4-(trimethylsilylethynyl)phenylethynyl]aniline
Conditions | Yield |
---|---|
With piperidine; copper(l) iodide; triphenylphosphine; bis-triphenylphosphine-palladium(II) chloride Sonogashira-Hagihara reaction; | 99% |
4-ethynyl-1,2-bis(hexyloxy)benzene
1-iodo-4-(trimethylsilylethynyl)benzene
C31H42O2Si
Conditions | Yield |
---|---|
With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); diisopropylamine In toluene at 45℃; for 18h; Sonogashira coupling; Inert atmosphere; | 99% |
1,3-diethoxycarbonyl-5-(butadiynyl)benzene
1-iodo-4-(trimethylsilylethynyl)benzene
1,3-diethylcarboxylate-5-[(4-(trimethylsilylethynyl)phenyl)butadiynyl]-benzene
Conditions | Yield |
---|---|
With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); diisopropylamine In tetrahydrofuran at 25℃; for 24h; Inert atmosphere; | 99% |
4-cyanophenylacetylene
1-iodo-4-(trimethylsilylethynyl)benzene
1-trimethylsilylethynyl-4-((4-cyanophenyl)-ethynyl)benzene
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In diethylamine for 20h; Ambient temperature; | 98% |
1-iodo-4-(trimethylsilylethynyl)benzene
4-ethynyl-N,N-dimethylaniline
4-[4-{2-(trimethylsilyl)ethynyl}phenyl]ethynyl-N,N-dimethylaniline
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; diethylamine In tetrahydrofuran at 25℃; for 24h; Sonogashira coupling reaction; | 98% |
1-iodo-4-(trimethylsilylethynyl)benzene
propargyl bromide
4-allenylphenylethynyl trimethylsilane
Conditions | Yield |
---|---|
Stage #1: 1-iodo-4-(trimethylsilylethynyl)benzene With dilithium tetra(tert-butyl)zincate In tetrahydrofuran at 0℃; Inert atmosphere; Stage #2: propargyl bromide In tetrahydrofuran at -78 - 20℃; Inert atmosphere; regioselective reaction; | 98% |
4-HCC-2,5-(EtO)2C6H2-1-CCC6H4-4-NO2
1-iodo-4-(trimethylsilylethynyl)benzene
C31H29NO4Si
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In dichloromethane at 20℃; for 48h; Sonogashira coupling; Inert atmosphere; | 98% |
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; diisopropylamine In toluene at 40℃; for 12h; Sonogashira coupling; Inert atmosphere; | 98% |
1-iodo-4-(trimethylsilylethynyl)benzene
1-ethynyl-4-iodobenzene
Conditions | Yield |
---|---|
Stage #1: 1-iodo-4-(trimethylsilylethynyl)benzene With potassium carbonate In methanol; chloroform at 25℃; for 4h; Stage #2: With water In methanol; chloroform for 0.25h; | 97.5% |
With potassium hydroxide In methanol; dichloromethane for 2h; | 83% |
With methanol; potassium carbonate for 48h; | 64% |
With methanol; potassium carbonate In dichloromethane at 20℃; for 12h; Inert atmosphere; Schlenk technique; | |
With tetrabutyl ammonium fluoride In tetrahydrofuran for 1h; | 0.89 g |
4-Ethynylaniline
1-iodo-4-(trimethylsilylethynyl)benzene
1-trimethylsilylethynyl-4-((4-aminophenyl)-ethynyl)benzene
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In diethylamine for 20h; Ambient temperature; | 97% |
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine for 16h; Ambient temperature; | 77% |
With piperidine; copper(l) iodide; tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran Sonogashira coupling; | 460 mg |
4-octyloxyphenylacetylene
1-iodo-4-(trimethylsilylethynyl)benzene
4-(octyloxy)-1-((4-((trimethylsilyl)ethynyl)phenyl)ethynyl)-benzene
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In tetrahydrofuran at 20℃; Sonogashira coupling; Inert atmosphere; | 97% |
calcium carbide
1-iodo-4-(trimethylsilylethynyl)benzene
Conditions | Yield |
---|---|
With copper(l) iodide; palladium diacetate; triethylamine; triphenylphosphine In acetonitrile at 20℃; Sonogashira coupling; Inert atmosphere; | 96.6% |
1-iodo-4-(trimethylsilylethynyl)benzene
diethyl 5-[(4-ethynylphenyl)ethynyl]isophthaloate
diethyl 5-[(4-[(4-[trimethysilylethynyl]phenyl)ethynyl]phenyl)ethynyl]isophthaloate
Conditions | Yield |
---|---|
With piperidine; copper(l) iodide; tetrakis(triphenylphosphine) palladium(0) at 20℃; for 3h; | 96% |
1-ethynyl-4-fluorobenzene
1-iodo-4-(trimethylsilylethynyl)benzene
((4-((4-fluorophenyl)ethynyl)phenyl)ethynyl) trimethylsilane
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; diethylamine In tetrahydrofuran at 25℃; Sonogashira coupling reaction; | 96% |
Conditions | Yield |
---|---|
With copper(l) iodide; bis(triphenylphosphine)palladium(II) chloride; triethylamine In dichloromethane at 20℃; for 18h; Sonogashira coupling; Inert atmosphere; | 96% |
1-iodo-4-(trimethylsilylethynyl)benzene
acetylsulfanyl-4-(ethynyl)benzene
thioacetic acid S-[4-(4-trimethylsilanylethynylphenylethynyl)phenyl] ester
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; N-ethyl-N,N-diisopropylamine; copper(l) chloride In tetrahydrofuran at 50℃; for 28h; | 95% |
With N-ethyl-N,N-diisopropylamine; triphenylphosphine; bis(dibenzyideneacetone)palladium(0) In tetrahydrofuran at 20℃; for 60h; Castro-Stephens/Sonogashira coupling; | 81% |
With copper(l) iodide; triethylamine; bis-triphenylphosphine-palladium(II) chloride In tetrahydrofuran Castro-Stephens/Sonogashira coupling; | 60% |
1-iodo-4-(trimethylsilylethynyl)benzene
4-ethynyl-1-(1,3-dihydroxy-4,4,5,5-tetramethylimidazolin-2-yl)benzene
Conditions | Yield |
---|---|
With copper diacetate; thiamine diphosphate; triethylamine; palladium dichloride for 6h; Heck-Sonogashira coupling; Heating; | 95% |
1-iodo-4-(trimethylsilylethynyl)benzene
fullerene-C60
Conditions | Yield |
---|---|
Stage #1: 1-iodo-4-(trimethylsilylethynyl)benzene With isopropylmagnesium bromide In tetrahydrofuran at 25℃; for 3h; Stage #2: fullerene-C60 With copper(I) bromide dimethylsulfide complex In tetrahydrofuran; 1,2-dichloro-benzene at 20℃; | 95% |
1-iodo-4-(trimethylsilylethynyl)benzene
1,4-bis(decyloxy)-2,5-diethynylbenzene
1,4-bis-decyloxy-2,5-bis-(4-trimethylsilanylethynyl-phenyl-ethynyl)-benzene
Conditions | Yield |
---|---|
With copper(l) iodide; diethylamine; bis-triphenylphosphine-palladium(II) chloride In tetrahydrofuran at 20℃; for 19h; Sonogashira coupling; | 95% |
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; diisopropylamine In toluene at 40℃; for 12h; Inert atmosphere; Schlenk technique; | 95% |
1-iodo-4-(trimethylsilylethynyl)benzene
succinimidyl diazoacetate
Conditions | Yield |
---|---|
With trifuran-2-yl-phosphane; palladium diacetate; triethylamine; silver carbonate In ethyl acetate at 22℃; under 760.051 Torr; for 6h; Inert atmosphere; Schlenk technique; | 95% |
tris-iso-propylsilyl acetylene
1-iodo-4-(trimethylsilylethynyl)benzene
((4-((trimethylsilyl)ethynyl)phenyl)-ethynyl)triisopropylsilane
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine for 16h; Ambient temperature; | 94% |
With tris-(dibenzylideneacetone)dipalladium(0); triethylamine; triphenylphosphine; copper(l) iodide at 20℃; Sonogashira coupling reaction; |
4-ethynylthioanisole
1-iodo-4-(trimethylsilylethynyl)benzene
trimethyl-[4-(4-methylsulfanyl-phenylethynyl)-phenylethynyl]-silane
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; diethylamine In tetrahydrofuran at 25℃; Sonogashira coupling reaction; | 94% |
1-iodo-4-(trimethylsilylethynyl)benzene
allyl bromide
Conditions | Yield |
---|---|
Stage #1: 1-iodo-4-(trimethylsilylethynyl)benzene With dilithium tetra(tert-butyl)zincate In tetrahydrofuran at 0℃; for 2h; Stage #2: allyl bromide In tetrahydrofuran at 20℃; for 12h; | 94% |
Stage #1: 1-iodo-4-(trimethylsilylethynyl)benzene With dilithium tetra(tert-butyl)zincate In tetrahydrofuran at -78 - 0℃; Inert atmosphere; Stage #2: allyl bromide In tetrahydrofuran at 20℃; for 12h; Inert atmosphere; chemoselective reaction; | 94% |
1-iodo-4-(trimethylsilylethynyl)benzene
3,3'-(3,3,4,4,5,5-hexafluoro-1-cyclopentene-1,2-diyl)bis[5-ethynyl-2-methylthiophene]
1,2-bis{5-(4-trimethylsilylethynylphenylethynyl)-2-methylthiophen-3-yl}perfluorocyclopentene
Conditions | Yield |
---|---|
With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); triethylamine In tetrahydrofuran at 20℃; for 4h; Sonogashira coupling; Inert atmosphere; | 94% |
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