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inquiryName: 4-(trimethylsilyl)-3-butyn-2-one Synonyms: -4-(Trimethylsilyl)-3-butyn-2-one CAS:5930-98-3 MF: C14H15NO2 Appearance:White powder Storage:Store in cool and dry place, away from sun light. Package:25kg/drum Application: Organic Chemicals Tran
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inquiryWe are leading fine chemicals supplier in China with ISO certificate, Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED
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inquiryProduct Name: 4-(Trimethylsilyl)-3-butyn-2-one CAS: 5930-98-3 MF: C7H12OSi MW: 140.26 EINECS: 628-294-1 Mol File: 5930-98-3.mol 4-(Trimethylsilyl)-3-butyn-2-one Structure 4-(Trimethylsilyl)-3-butyn-2-one Chemical Properties Meltin
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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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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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inquiryName: 4-(Trimethylsilyl)-3-butyn-2-one. Synonym:4-trimethylsilylbut-3-yn-2-one;4-(Trimethylsilyl)-3-butyn-2-one,98%;4-(trimehtylsilyl)-3-Butyne-2-one;4-TriMethylsilanyl-but-3-yn-2-one;4-(TriMethylsilyl)-3-butyn-2-one,98.0%(GC);4-TRIMETHYLSILYL-3-
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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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inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
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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inquiryhigh purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier
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inquiryOur clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
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Hunan 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: Frac
1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.2. Now we have established long-term stable re
2-(trimethylsilylethynyl)-1,3-dioxane
4-trimethylsilyl-3-butyn-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1.) BuLi / 1.) THF, -65 deg C, 30 min; 2.) THF, overnight, -65 deg C to 25 deg C 2: 63 percent / H2SO4 / acetone; H2O / 5 h / Heating View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 1.) THF, EtMgBr, RT, 1 h; 2.) diethyl ether, -25 deg C for 45 min then 1 h at RT then 15 min at 30 deg C 2: 81 percent / p-toluenesulfonic acid / benzene / Heating 3: 1.) BuLi / 1.) THF, -65 deg C, 30 min; 2.) THF, overnight, -65 deg C to 25 deg C 4: 63 percent / H2SO4 / acetone; H2O / 5 h / Heating View Scheme | |
Multi-step reaction with 2 steps 1.1: n-butyllithium / tetrahydrofuran / 1 h / 0 °C / Schlenk technique 1.2: 12 h / 0 - 20 °C / Schlenk technique 2.1: Dess-Martin periodane / dichloromethane / 0.5 h / 0 °C View Scheme |
Conditions | Yield |
---|---|
Stage #1: trimethylsilylacetylene With n-butyllithium In tetrahydrofuran at -78℃; for 0.5h; Inert atmosphere; Stage #2: ethyl acetate With boron trifluoride diethyl etherate In tetrahydrofuran at -78℃; for 0.5h; Inert atmosphere; |
4-trimethylsilyl-3-butyn-2-one
(S)-4-trimethylsilyl-3-butyn-2-ol
Conditions | Yield |
---|---|
With potassium hydroxide; [ruthenium(II)(η6-1-methyl-4-isopropyl-benzene)(chloride)(μ-chloride)]2; N-[(1S,2S)-2-amino-1,2-diphenylethyl]-4-methylbenzenesulfonamide In isopropyl alcohol at 28℃; for 12h; | 99% |
Stage #1: 4-trimethylsilyl-3-butyn-2-one With (R)-(+)-3,3'-bis(4-fluorophenyl)-[1,1'-binaphthalene]-2,2'-diol; dibutylmagnesium; 4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane; lithium chloride In n-heptane; toluene at -40℃; for 3h; Inert atmosphere; Sealed tube; Stage #2: With methanol In n-heptane; toluene at -40 - 20℃; for 0.5h; Inert atmosphere; Sealed tube; enantioselective reaction; | 98% |
With formic acid; triethylamine; N-[(1S,2S)-2-amino-1,2-diphenylethyl]-4-methylbenzenesulfonamide In dichloromethane at 10 - 20℃; Inert atmosphere; | 96% |
Conditions | Yield |
---|---|
In diethyl ether at -78℃; | 99% |
4-trimethylsilyl-3-butyn-2-one
ethyl aminocrotonate
(4E)-2-amino-3-ethoxycarbonylhepta-2,4-dien-6-one
Conditions | Yield |
---|---|
In ethanol at 50℃; for 5h; Michael addition; | 98% |
In ethanol at 50℃; for 6h; Michael addition; | 82% |
4-trimethylsilyl-3-butyn-2-one
benzamidine monohydrochloride
4-methyl-2-phenylpyrimidine
Conditions | Yield |
---|---|
With sodium carbonate In acetonitrile at 120℃; for 0.666667h; microwave irradiation; | 98% |
Conditions | Yield |
---|---|
With ammonium acetate In ethanol for 24h; Bohlmann-Rahtz reaction; Heating; | 98% |
With ammonium acetate In ethanol for 24h; Heating; | 98% |
1,1-bis(trimethylsiloxy)-2-methylprop-1-ene
4-trimethylsilyl-3-butyn-2-one
3-hydroxy-2,2,3-trimethyl-5-(trimethylsilyl)pent-4-ynoic acid
Conditions | Yield |
---|---|
Stage #1: 4-trimethylsilyl-3-butyn-2-one With boron trifluoride diethyl etherate In diethyl ether at 0℃; for 0.05h; Inert atmosphere; Stage #2: 1,1-bis(trimethylsiloxy)-2-methylprop-1-ene In diethyl ether at 0 - 20℃; for 4h; Inert atmosphere; | 98% |
4-trimethylsilyl-3-butyn-2-one
tert-butyldimethyl(1-phenylvinyloxy)silane
3-(tert-Butyl-dimethyl-silanyloxy)-3-methyl-1-phenyl-5-trimethylsilanyl-pent-4-yn-1-one
Conditions | Yield |
---|---|
triphenylmethyl perchlorate In dichloromethane at -78℃; for 6h; | 97% |
Conditions | Yield |
---|---|
In dimethyl sulfoxide at 110℃; for 72h; | 97% |
4-trimethylsilyl-3-butyn-2-one
4-trimethylsilanyl-butan-2-one
Conditions | Yield |
---|---|
With palladium on activated charcoal; hydrogen In pentane at 20℃; under 760.051 Torr; for 20h; | 97% |
With palladium on activated charcoal; hydrogen In pentane at 10℃; for 12h; |
2,6-diamino-3H-pyrimidin-4-one
4-trimethylsilyl-3-butyn-2-one
Conditions | Yield |
---|---|
In dimethyl sulfoxide at 20℃; for 72h; Micheal addition; | 96% |
Conditions | Yield |
---|---|
With C34H36F4N4P(1+)*Cl(1-); potassium tert-butylate In tetrahydrofuran at -78℃; for 17h; Inert atmosphere; enantioselective reaction; | 96% |
1.3-propanedithiol
4-trimethylsilyl-3-butyn-2-one
1-(2-(trimethylsilyl)-1,3-dithian-2-yl)propan-2-one
Conditions | Yield |
---|---|
magnesium oxide In tetrahydrofuran at 20℃; for 1h; double Michael addition; | 95% |
With potassium tert-butylate In tert-butyl alcohol at 0 - 20℃; Inert atmosphere; | 35% |
With potassium tert-butylate In isopropyl alcohol at 0℃; for 1h; Inert atmosphere; | 4.8 g |
Conditions | Yield |
---|---|
With zinc dibromide In dimethyl sulfoxide at 110℃; for 72h; Bohlmann-Rahtz heteroannulation; | 94% |
4-trimethylsilyl-3-butyn-2-one
benzyl azide
1-(1-benzyl-1H-1,2,3-triazol-4-yl)ethan-1-one
Conditions | Yield |
---|---|
With triethylamine; copper(I) bromide In N,N-dimethyl-formamide at 100℃; for 1.5h; | 94% |
4-trimethylsilyl-3-butyn-2-one
Dimethylphenylsilane
(E)-3-dimethyl(phenyl)silyl-4-trimethylsilyl-3-buten-2-one
Conditions | Yield |
---|---|
With bis(dibenzylideneacetone)-palladium(0); tricyclohexylphosphine In toluene at 20℃; for 14h; Inert atmosphere; optical yield given as %de; stereoselective reaction; | 94% |
4-trimethylsilyl-3-butyn-2-one
Mes2P-C{=C(H)-Ph}-AltBu2
Conditions | Yield |
---|---|
In pentane at -50 - 20℃; for 2h; Inert atmosphere; Schlenk technique; | 94% |
4-trimethylsilyl-3-butyn-2-one
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene Reflux; Inert atmosphere; | 93% |
4-trimethylsilyl-3-butyn-2-one
acetylacetone
1-(2,6-dimethylpyridin-3-yl)ethan-1-one
Conditions | Yield |
---|---|
With ammonium acetate; 1-methyl-1H-imidazolium trifluoroacetate at 20℃; for 24h; Bohlmann-Rahtz pyridine synthesis; | 92% |
4-trimethylsilyl-3-butyn-2-one
ethyl aminocrotonate
Conditions | Yield |
---|---|
With zinc dibromide In toluene for 5h; Heating; | 90% |
With acetic acid In toluene at 50℃; Bohlmann-Rahtz pyridine synthesis; | 79% |
4-trimethylsilyl-3-butyn-2-one
ethyl (E)-3-aminobut-2-enoate
Conditions | Yield |
---|---|
With zinc dibromide In toluene for 5h; Bohlmann-Rahtz reaction; Heating; | 90% |
4-trimethylsilyl-3-butyn-2-one
ethyl acetoacetate
ethyl 2,6-dimethylnicotinate
Conditions | Yield |
---|---|
With ammonium acetate In ethanol for 24h; Bohlmann-Rahtz reaction; Heating; | 90% |
With ammonium acetate In ethanol for 24h; Heating; | 90% |
With ammonium acetate; acetic acid In toluene for 20h; Heating; | 75% |
4-trimethylsilyl-3-butyn-2-one
guanidine hydrochloride
4-Methyl-pyrimidin-2-ylamin
Conditions | Yield |
---|---|
With sodium carbonate In acetonitrile at 120℃; for 0.666667h; microwave irradiation; | 90% |
Conditions | Yield |
---|---|
With ammonium acetate; 1-methyl-1H-imidazolium trifluoroacetate at 20℃; for 24h; Bohlmann-Rahtz pyridine synthesis; | 90% |
carbon tetrabromide
4-trimethylsilyl-3-butyn-2-one
(4,4-dibromo-3-methylbut-3-en-1-yn-1-yl)trimethylsilane
Conditions | Yield |
---|---|
With triphenylphosphine In dichloromethane at 20℃; under 75.0075 Torr; | 90% |
Stage #1: carbon tetrabromide With triphenylphosphine In dichloromethane at 0℃; for 0.166667h; Stage #2: 4-trimethylsilyl-3-butyn-2-one In dichloromethane at 0 - 20℃; | 89% |
Conditions | Yield |
---|---|
In dichloromethane at 20℃; for 168h; | 89% |
4-trimethylsilyl-3-butyn-2-one
5-((tert-butyldimethylsilyl)oxy)pent-3-yn-2-yl diethyl phosphate
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride; (R)-Chirald In diethyl ether at -78℃; for 5h; | 86% |
With [N-[(1R,2R)-2-(amino-κN)-1,2-diphenylethyl]-4-methylbenzenesulfonamidato-κN]chloro[(1,2, 3,4,5,6-η)-1-methyl-4-(1-methylethyl)benzene]-ruthenium In dichloromethane; isopropyl alcohol at 20℃; for 2h; Inert atmosphere; | 85% |
With isopropyl alcohol; NADPH Lactobacillus kefir dehydrogenase, 50 mM phosphate 2 mM magnesium chloride buffer, pH 7.1; | 25% |
With NADP; magnesium chloride; rec Lactobacillus brevis alcohol dehydrogenase In sodium hydroxide; triethylamine; isopropyl alcohol at 20℃; for 16h; pH=6.5; |
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