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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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inquiryFactory supply Thiophene-3-ethanol CAS 13781-67-4 with fast delivery Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/Feed
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inquiryProduct Name: Thiophene-3-ethanol CAS: 13781-67-4 MF: C6H8OS MW: 128.19 EINECS: 237-434-7 Mol File: 13781-67-4.mol Thiophene-3-ethanol Structure Thiophene-3-ethanol Chemical Properties Boiling point 110-111 °C14 mm Hg(lit.
Cas:13781-67-4
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Triumph has the complete production of G- KG - MT service chain,we can make the new technology into productivity quickly in the research and development of new products. Main Service 1.Own made fine chemical products 2.Out sourcing and quality c
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inquiryProduct name: Thiophene-3-Ethanol CAS No.:13781-67-4 Molecule Formula:C5H6OS Molecule Weight:114.17 Purity: 98.0% Package: 200kg/drum Description:Light yellow transparent liquid Manufacture Standards:Enterprise Standard TESTING I
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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
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inquiryWe Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O
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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
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Jinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands
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inquiryQ1: Are you a manufacturer Answer: Yes, we are factory founded on 2012.Q2: How to contact with us Click "contact supplier" And then send us message the product you interest in, you will get reply within 12 hours.Q3:Which kind of payment terms do you
Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
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inquiryhigh quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
thiophen-3-yl-acetic acid
3-(2-hydroxyethyl)thiophene
Conditions | Yield |
---|---|
Stage #1: thiophen-3-yl-acetic acid With lithium aluminium tetrahydride In tetrahydrofuran at 0℃; for 2h; Stage #2: With water In tetrahydrofuran; ethyl acetate | 99% |
With lithium aluminium tetrahydride | 98% |
With lithium aluminium tetrahydride In tetrahydrofuran at 0℃; for 3h; Schlenk technique; Inert atmosphere; | 98% |
thiophen-3-yl-acetic acid methyl ester
3-(2-hydroxyethyl)thiophene
Conditions | Yield |
---|---|
Stage #1: thiophen-3-yl-acetic acid methyl ester With 1,1,3,3-Tetramethyldisiloxane; vanadium(V) oxytriisopropoxide In toluene at 100℃; for 26h; Inert atmosphere; Sealed tube; Stage #2: With tetrabutyl ammonium fluoride In tetrahydrofuran; toluene for 2h; Inert atmosphere; | 74% |
In tetrahydrofuran; water; ethyl acetate |
Conditions | Yield |
---|---|
Stage #1: 3-Bromothiophene With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.25h; Stage #2: ethyleneglycol sulfate In tetrahydrofuran; hexane at -78 - 20℃; Stage #3: With sulfuric acid In tetrahydrofuran; hexane for 4h; Heating; Further stages.; | 53% |
Conditions | Yield |
---|---|
With diethyl ether at -70℃; | |
In tetrahydrofuran; diethyl ether at -70 - 20℃; for 1h; |
3-(2-hydroxyethyl)thiophene
methanesulfonyl chloride
3-thiopheneethanol methanesulfonate (ester)
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 0℃; for 0.5h; | 100% |
With triethylamine In dichloromethane at 0℃; for 0.25h; | 99% |
With triethylamine In dichloromethane at 0℃; for 0.25h; | 99% |
3-(2-hydroxyethyl)thiophene
p-toluenesulfonyl chloride
2-(thiophen-3-yl)ethyl 4-methylbenzenesulfonate
Conditions | Yield |
---|---|
With triethylamine In dichloromethane | 100% |
With triethylamine In toluene at 0 - 35℃; for 12h; | 93% |
With triethylamine In dichloromethane at 0 - 20℃; for 5h; | 90% |
3-(2-hydroxyethyl)thiophene
1-Iodonaphthalene
3-(2-(naphthalen-1-yloxy)ethyl)thiophene
Conditions | Yield |
---|---|
With copper(l) iodide; 3,4,7,8-Tetramethyl-o-phenanthrolin; caesium carbonate In toluene at 110℃; for 24h; | 99% |
3-(2-hydroxyethyl)thiophene
4-nitrobenzaldehdye
5,7-dihydro-7-(4-nitrophenyl)-4H-thieno[2,3-c]pyran
Conditions | Yield |
---|---|
With bismuth(lll) trifluoromethanesulfonate; water In toluene at 80℃; oxa Pictet-Spengler reaction; | 99% |
3-(2-hydroxyethyl)thiophene
4-cyanobenzaldehyde
4-(5,7-dihydro-4H-thieno[2,3-c]pyran-7-yl)benzonitrile
Conditions | Yield |
---|---|
With bismuth(lll) trifluoromethanesulfonate; water In toluene at 80℃; oxa Pictet-Spengler reaction; | 99% |
3-(2-hydroxyethyl)thiophene
diethylphosphonoacetic acid
Conditions | Yield |
---|---|
With 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; N-ethyl-N,N-diisopropylamine In tetrahydrofuran; ethyl acetate; toluene at 20℃; for 4h; Inert atmosphere; | 99% |
3-(2-hydroxyethyl)thiophene
3-(2'-iodoethyl) thiophene
Conditions | Yield |
---|---|
With 1H-imidazole; iodine; triphenylphosphine In dichloromethane for 3h; Ambient temperature; | 98% |
With 1H-imidazole; triphenylphosphine diiodide In dichloromethane Ambient temperature; | |
Multi-step reaction with 2 steps 1: 53 percent / PBr3 / benzene / 5 h / Ambient temperature 2: 92 percent / NaI / acetone / 96 h / 50 °C View Scheme |
3-(2-hydroxyethyl)thiophene
methyl 2-(2-bromothiophen-3-yl)ethan-1-ol
Conditions | Yield |
---|---|
With N-Bromosuccinimide In fluorobenzene at 20℃; for 24h; Darkness; | 98% |
With N-Bromosuccinimide In dichloromethane at 20℃; for 0.25h; | 95% |
With N-Bromosuccinimide; acetic acid In dichloromethane for 0.5h; | 91% |
3-(2-hydroxyethyl)thiophene
4-methoxy-benzaldehyde
5,7-dihydro-7-(4-methoxyphenyl)-4H-thieno[2,3-c]pyran
Conditions | Yield |
---|---|
With bismuth(lll) trifluoromethanesulfonate; water In toluene at 80℃; oxa Pictet-Spengler reaction; | 98% |
With bismuth(lll) trifluoromethanesulfonate In toluene at 20 - 80℃; for 1h; oxa-Pictet-Spengler cyclisation; | 98% |
3-(2-hydroxyethyl)thiophene
4-nitro-benzoic acid
Conditions | Yield |
---|---|
Stage #1: 3-(2-hydroxyethyl)thiophene; 4-nitro-benzoic acid With ethyl 2-(3,4-dichlorophenyl)azocarboxylate; triphenylphosphine In toluene at 20℃; for 3h; Mitsunobu Displacement; Inert atmosphere; Stage #2: With iron(II) phthalocyanine In toluene at 20℃; for 12h; Inert atmosphere; | 98% |
3-(2-hydroxyethyl)thiophene
1-methylindole
Conditions | Yield |
---|---|
With 1-methyl-piperazine; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; zinc trifluoromethanesulfonate In toluene at 110℃; for 6h; Inert atmosphere; | 96.2% |
3-(2-hydroxyethyl)thiophene
carbon monoxide
1,4-diphenyl-1,3-butadiyne
Conditions | Yield |
---|---|
With (1S)-10-camphorsulfonic acid; palladium diacetate; 2,2'-bis(tert-butyl(pyridin-2-yl)phosphaneyl)-1,1'-binaphthalene In toluene at 40℃; for 20h; Inert atmosphere; Autoclave; High pressure; chemoselective reaction; | 96% |
3-(2-hydroxyethyl)thiophene
phosphonic acid diethyl ester
Conditions | Yield |
---|---|
With triethylamine In tetrachloromethane for 1.5h; ultrasonic irradiation; | 95% |
3-(2-hydroxyethyl)thiophene
2-(3'-thiophenyl)-1-bromoethane
Conditions | Yield |
---|---|
With triphenylphosphine dibromide 1:1 addition complex In acetonitrile Bromination; Heating; | 95% |
With 2,6-dimethylpyridine; bromine; triphenylphosphine In dichloromethane at 0℃; for 5h; | 95% |
With carbon tetrabromide; triphenylphosphine In tetrahydrofuran at 70℃; for 3h; | 86% |
3-(2-hydroxyethyl)thiophene
3-bromo-4-hydroxybenzonitrile
3-bromo-4-(2-thiophen-3-ylethoxy)benzonitrile
Conditions | Yield |
---|---|
With triphenylphosphine; diethylazodicarboxylate In tetrahydrofuran at 0 - 20℃; | 95% |
With triphenylphosphine; diethylazodicarboxylate In tetrahydrofuran at 0 - 20℃; |
3-(2-hydroxyethyl)thiophene
N-tert-butyloxycarbonylpiperidin-4-one
trifluoroacetic acid
4',5'-dihydrospiro[piperidine-4,7'-thieno[2,3-c]pyran]-1-ium trifluoroacetate
Conditions | Yield |
---|---|
Stage #1: 3-(2-hydroxyethyl)thiophene; N-tert-butyloxycarbonylpiperidin-4-one In dichloromethane at 20℃; Stage #2: trifluoroacetic acid In dichloromethane at 14 - 30℃; for 20.0833h; | 95% |
In dichloromethane at 14 - 30℃; for 20.0833h; | 95% |
Stage #1: 3-(2-hydroxyethyl)thiophene; N-tert-butyloxycarbonylpiperidin-4-one In dichloromethane at 20℃; for 0.166667h; Stage #2: trifluoroacetic acid In dichloromethane at 0 - 20℃; for 16.5h; | 91% |
3-(2-hydroxyethyl)thiophene
N-tert-butyloxycarbonylpiperidin-4-one
4′,5′-dihydrospiro[piperidine-4,7′-thieno[2,3-c]pyran]
Conditions | Yield |
---|---|
With trifluoroacetic acid In dichloromethane at 20℃; for 20.5h; | 95% |
In tetrahydrofuran; dichloromethane at 25℃; | 95% |
3-(2-hydroxyethyl)thiophene
1-methyl-1H-indole-2,3-dione
Conditions | Yield |
---|---|
With iron perchlorate hexahydrate In tetrahydrofuran at 80℃; for 72h; Friedel-Crafts Alkylation; Inert atmosphere; | 95% |
3-(2-hydroxyethyl)thiophene
ethyl 5-allyloxyindole-2-carboxylate
5-allyloxy-1-[(2-thiophen-3-yl)ethyl]-1H-indole-2-carboxylic acid ethyl ester
Conditions | Yield |
---|---|
With tributylphosphine; diamide In tetrahydrofuran at 20℃; for 18.3h; Stirring; | 94% |
3-(2-hydroxyethyl)thiophene
2,2-dimethoxy-propane
5,7-dihydro-7,7-dimethyl-4H-thieno[2,3-c]pyran
Conditions | Yield |
---|---|
With bismuth(lll) trifluoromethanesulfonate; water In toluene at 80℃; oxa Pictet-Spengler reaction; | 94% |
Conditions | Yield |
---|---|
Stage #1: 3-(2-hydroxyethyl)thiophene With sodium hydride In dimethyl sulfoxide; mineral oil at 20℃; for 0.5h; Stage #2: 1-Bromopentane In dimethyl sulfoxide; mineral oil at 20℃; for 8h; | 94% |
3-(2-hydroxyethyl)thiophene
methyl 5-hydroxy-6-iodopyridine-3-carboxylate
methyl 6-iodo-5-(2-(thiophen-3-yl)ethoxy)nicotinate
Conditions | Yield |
---|---|
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 20℃; | 93.2% |
3-(2-hydroxyethyl)thiophene
tert-butylphenylphosphinic acid chloride
Conditions | Yield |
---|---|
Stage #1: 3-(2-hydroxyethyl)thiophene With sodium hydride In tetrahydrofuran; mineral oil at 0℃; for 2h; Inert atmosphere; Stage #2: tert-butylphenylphosphinic acid chloride In tetrahydrofuran; mineral oil at 0 - 20℃; for 6h; | 93% |
3-(2-hydroxyethyl)thiophene
trityl chloride
3-(2-trityloxy-ethyl)-thiophene
Conditions | Yield |
---|---|
With iron(III) chloride; 1-(n-butyl)-3-methylimidazolium triflate at 20℃; for 3.25h; Ionic liquid; | 92% |
3-(2-hydroxyethyl)thiophene
allyl bromide
3-(2-(allyloxy)ethyl)thiophene
Conditions | Yield |
---|---|
With sodium hydride In tetrahydrofuran at 0 - 50℃; Inert atmosphere; | 92% |
Stage #1: 3-(2-hydroxyethyl)thiophene With sodium hydride In tetrahydrofuran; mineral oil at 50℃; for 1h; Stage #2: allyl bromide In tetrahydrofuran; mineral oil at 0 - 20℃; | 52% |
3-(2-hydroxyethyl)thiophene
2,5-dibromo-3-(2-hydroxyethyl)thiophene
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; bromine In methanol; dichloromethane at 20℃; for 1h; | 91.2% |
With N-Bromosuccinimide In toluene at -20 - 20℃; | 86% |
With N-Bromosuccinimide In N,N-dimethyl-formamide at 40℃; for 3h; | 85% |
3-(2-hydroxyethyl)thiophene
methyl 3-hydroxy-5-isopropoxybenzoate
Methyl 3-isopropoxy-5-(2-(3-thienyl)ethoxy)benzoate
Conditions | Yield |
---|---|
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 20℃; for 3h; | 91% |
With di-isopropyl azodicarboxylate; triphenylphosphine In dichloromethane at 0 - 20℃; | 67% |
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; for 20h; | 41% |
3-(2-hydroxyethyl)thiophene
2-(3'-thienyl)ethyl chloride
Conditions | Yield |
---|---|
With pyridine; thionyl chloride In diethyl ether | 90% |
With tetrachloromethane; tributylphosphine In acetonitrile for 18h; Heating; | 84% |
With thionyl chloride In chloroform | 81.5% |
With methanesulfonyl chloride; triethylamine In dichloromethane |
3,4-dihydro-2H-pyran
3-(2-hydroxyethyl)thiophene
3-<2-(tetrahydropyranyloxy)ethyl>thiophene
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In diethyl ether for 3h; Ambient temperature; | 90% |
With toluene-4-sulfonic acid In tetrahydrofuran at 20℃; | 73% |
With toluene-4-sulfonic acid In tetrahydrofuran at 20℃; | 73% |
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