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Thiophene-3-ethanol
Cas No: 13781-67-4
No Data No Data Metric Ton/Day LEAP CHEM Co., Ltd. Contact Supplier
Thiophene-3-ethanol Manufacturer/High quality/Best price/In stock
Cas No: 13781-67-4
USD $ 3.0-3.0 / Kilogram 1 Kilogram 1-100 Metric Ton/Month Dayang Chem (Hangzhou) Co.,Ltd. Contact Supplier
High quality 3-Thiopheneethanol supplier in China
Cas No: 13781-67-4
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Factory supply Thiophene-3-ethanol CAS 13781-67-4 with fast delivery
Cas No: 13781-67-4
USD $ 10.0-10.0 / Kilogram 10 Kilogram 30 Metric Ton/Month Wuhan Fortuna Chemical Co.,Ltd Contact Supplier
Factory Supply 3-Thiopheneethanol
Cas No: 13781-67-4
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HotCAS 13781-67-4 with high quality products
Cas No: 13781-67-4
USD $ 146.0-176.0 / Gram 10 Gram 1000 Kilogram/Day Zhuozhou Wenxi import and Export Co., Ltd Contact Supplier
Thiophene-3-ethanol 13781-67-4
Cas No: 13781-67-4
No Data 1 Kilogram 10000 Metric Ton/Month Shanghai Upbio Tech Co.,Ltd Contact Supplier
2-(3-Thienyl)-1-ethanol
Cas No: 13781-67-4
No Data No Data No Data Chemwill Asia Co., Ltd. Contact Supplier
Thiophene-3-ethanol
Cas No: 13781-67-4
No Data 1 Gram 100 Kilogram/Day Shanghai Minstar Chemical Co., Ltd Contact Supplier
Organic Intermediate, Thiophene-3-ethanol CAS:13781-67-4
Cas No: 13781-67-4
USD $ 42.1-48.6 / Kilogram 1 Kilogram 10000 Metric Ton/Year Baoji Guokang Healthchem co.,ltd Contact Supplier

13781-67-4 Usage

Chemical Properties

Clear colorless to yellowish-brown liquid

Uses

Different sources of media describe the Uses of 13781-67-4 differently. You can refer to the following data:
1. 3-Thiopheneethanol is used as a reagent in the synthesis of pH-responsive near-IR emitting conjugated polymer nanoparticles for cellular imaging and controlled-drug delivery. 3-Thiopheneethanol is also used as a reagent in the preparation of potent respiratory syncytial virus RNA polymerase inhibitors.
2. 3-Thiopheneethanol [3-(2-hydroxyethyl)thiophene] was used in the synthesis of various ether and ester derivatives such as 3-(2-(benzyloxy)ethyl)thiophene, 3-[2-((triphenylmethyl)oxy)ethyl]thiophene, 3-[2-((trimethylsilyl)oxy)ethyl]thiophene, 3-[2-((dimethyl-tert-butylsilyl)oxy)ethyl]thiophene, 3-(2-acetoxyethyl)thiophene and 3-(2-(benzoyloxy)ethyl)thiophene.

Check Digit Verification of cas no

The CAS Registry Mumber 13781-67-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,7,8 and 1 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 13781-67:
(7*1)+(6*3)+(5*7)+(4*8)+(3*1)+(2*6)+(1*7)=114
114 % 10 = 4
So 13781-67-4 is a valid CAS Registry Number.
InChI:InChI=1/C5H6OS/c6-3-5-1-2-7-4-5/h1-2,4,6H,3H2

13781-67-4 Well-known Company Product Price

Brand (Code)Product description CAS number Packaging Price Detail
TCI America (T1475)  3-Thiopheneethanol  >98.0%(GC) 13781-67-4 5g 790.00CNY Detail
TCI America (T1475)  3-Thiopheneethanol  >98.0%(GC) 13781-67-4 25g 3,650.00CNY Detail
Alfa Aesar (L15138)  3-Thiopheneethanol, 98%    13781-67-4 1g 320.0CNY Detail
Alfa Aesar (L15138)  3-Thiopheneethanol, 98%    13781-67-4 5g 789.0CNY Detail
Aldrich (228796)  3-Thiopheneethanol  99% 13781-67-4 228796-5G 1,428.57CNY Detail
Aldrich (228796)  3-Thiopheneethanol  99% 13781-67-4 228796-25G 5,260.32CNY Detail

13781-67-4SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 10, 2017

Revision Date: Aug 10, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-(3-Thienyl)ethanol

1.2 Other means of identification

Product number -
Other names 3-(2-Hydroxyethyl)thiophene

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:13781-67-4 SDS

13781-67-4Synthetic route

thiophen-3-yl-acetic acid
6964-21-2

thiophen-3-yl-acetic acid

3-(2-hydroxyethyl)thiophene
13781-67-4

3-(2-hydroxyethyl)thiophene

Conditions
ConditionsYield
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 tetrahydride98%
With lithium aluminium tetrahydride In tetrahydrofuran at 0℃; for 3h; Schlenk technique; Inert atmosphere;98%
thiophen-3-yl-acetic acid methyl ester
58414-52-1

thiophen-3-yl-acetic acid methyl ester

3-(2-hydroxyethyl)thiophene
13781-67-4

3-(2-hydroxyethyl)thiophene

Conditions
ConditionsYield
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
3-Bromothiophene
872-31-1

3-Bromothiophene

ethyleneglycol sulfate
1072-53-3

ethyleneglycol sulfate

3-(2-hydroxyethyl)thiophene
13781-67-4

3-(2-hydroxyethyl)thiophene

Conditions
ConditionsYield
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%
oxirane
75-21-8

oxirane

3-thienyl lithium
1192-06-9

3-thienyl lithium

3-(2-hydroxyethyl)thiophene
13781-67-4

3-(2-hydroxyethyl)thiophene

Conditions
ConditionsYield
With diethyl ether at -70℃;
In tetrahydrofuran; diethyl ether at -70 - 20℃; for 1h;
oxirane
75-21-8

oxirane

3-Bromothiophene
872-31-1

3-Bromothiophene

3-(2-hydroxyethyl)thiophene
13781-67-4

3-(2-hydroxyethyl)thiophene

3-(2-hydroxyethyl)thiophene
13781-67-4

3-(2-hydroxyethyl)thiophene

methanesulfonyl chloride
124-63-0

methanesulfonyl chloride

3-thiopheneethanol methanesulfonate (ester)
114896-64-9

3-thiopheneethanol methanesulfonate (ester)

Conditions
ConditionsYield
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
13781-67-4

3-(2-hydroxyethyl)thiophene

p-toluenesulfonyl chloride
98-59-9

p-toluenesulfonyl chloride

2-(thiophen-3-yl)ethyl 4-methylbenzenesulfonate
40412-09-7

2-(thiophen-3-yl)ethyl 4-methylbenzenesulfonate

Conditions
ConditionsYield
With triethylamine In dichloromethane100%
With triethylamine In toluene at 0 - 35℃; for 12h;93%
With triethylamine In dichloromethane at 0 - 20℃; for 5h;90%
3-(2-hydroxyethyl)thiophene
13781-67-4

3-(2-hydroxyethyl)thiophene

1-Iodonaphthalene
90-14-2

1-Iodonaphthalene

3-(2-(naphthalen-1-yloxy)ethyl)thiophene
960395-49-7

3-(2-(naphthalen-1-yloxy)ethyl)thiophene

Conditions
ConditionsYield
With copper(l) iodide; 3,4,7,8-Tetramethyl-o-phenanthrolin; caesium carbonate In toluene at 110℃; for 24h;99%
3-(2-hydroxyethyl)thiophene
13781-67-4

3-(2-hydroxyethyl)thiophene

4-nitrobenzaldehdye
555-16-8

4-nitrobenzaldehdye

5,7-dihydro-7-(4-nitrophenyl)-4H-thieno[2,3-c]pyran
1220970-39-7

5,7-dihydro-7-(4-nitrophenyl)-4H-thieno[2,3-c]pyran

Conditions
ConditionsYield
With bismuth(lll) trifluoromethanesulfonate; water In toluene at 80℃; oxa Pictet-Spengler reaction;99%
3-(2-hydroxyethyl)thiophene
13781-67-4

3-(2-hydroxyethyl)thiophene

4-cyanobenzaldehyde
105-07-7

4-cyanobenzaldehyde

4-(5,7-dihydro-4H-thieno[2,3-c]pyran-7-yl)benzonitrile
1220970-41-1

4-(5,7-dihydro-4H-thieno[2,3-c]pyran-7-yl)benzonitrile

Conditions
ConditionsYield
With bismuth(lll) trifluoromethanesulfonate; water In toluene at 80℃; oxa Pictet-Spengler reaction;99%
3-(2-hydroxyethyl)thiophene
13781-67-4

3-(2-hydroxyethyl)thiophene

diethylphosphonoacetic acid
3095-95-2

diethylphosphonoacetic acid

2-(thiophen-3-yl)ethyl 2-(diethoxyphosphoryl)acetate

2-(thiophen-3-yl)ethyl 2-(diethoxyphosphoryl)acetate

Conditions
ConditionsYield
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
13781-67-4

3-(2-hydroxyethyl)thiophene

3-(2'-iodoethyl) thiophene
114896-65-0

3-(2'-iodoethyl) thiophene

Conditions
ConditionsYield
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
13781-67-4

3-(2-hydroxyethyl)thiophene

methyl 2-(2-bromothiophen-3-yl)ethan-1-ol
111881-86-8

methyl 2-(2-bromothiophen-3-yl)ethan-1-ol

Conditions
ConditionsYield
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
13781-67-4

3-(2-hydroxyethyl)thiophene

4-methoxy-benzaldehyde
123-11-5

4-methoxy-benzaldehyde

5,7-dihydro-7-(4-methoxyphenyl)-4H-thieno[2,3-c]pyran
1220970-40-0

5,7-dihydro-7-(4-methoxyphenyl)-4H-thieno[2,3-c]pyran

Conditions
ConditionsYield
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
13781-67-4

3-(2-hydroxyethyl)thiophene

4-nitro-benzoic acid
62-23-7

4-nitro-benzoic acid

2-(thiophene-2-yl) ethyl 4-nitrobenzoate

2-(thiophene-2-yl) ethyl 4-nitrobenzoate

Conditions
ConditionsYield
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
13781-67-4

3-(2-hydroxyethyl)thiophene

1-methylindole
603-76-9

1-methylindole

1-(1-methyl-1H-indol-3-yl)-2-(thiophen-3-yl)ethane-1,2-dione

1-(1-methyl-1H-indol-3-yl)-2-(thiophen-3-yl)ethane-1,2-dione

Conditions
ConditionsYield
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
13781-67-4

3-(2-hydroxyethyl)thiophene

carbon monoxide
201230-82-2

carbon monoxide

1,4-diphenyl-1,3-butadiyne
886-66-8

1,4-diphenyl-1,3-butadiyne

2-(thiophen-3-yl)ethyl (E)-2-benzylidene-4-phenylbut-3-ynoate

2-(thiophen-3-yl)ethyl (E)-2-benzylidene-4-phenylbut-3-ynoate

Conditions
ConditionsYield
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
13781-67-4

3-(2-hydroxyethyl)thiophene

phosphonic acid diethyl ester
762-04-9

phosphonic acid diethyl ester

diethyl 2-(3-thienyl) ethyl phosphate

diethyl 2-(3-thienyl) ethyl phosphate

Conditions
ConditionsYield
With triethylamine In tetrachloromethane for 1.5h; ultrasonic irradiation;95%
3-(2-hydroxyethyl)thiophene
13781-67-4

3-(2-hydroxyethyl)thiophene

2-(3'-thiophenyl)-1-bromoethane
57070-76-5

2-(3'-thiophenyl)-1-bromoethane

Conditions
ConditionsYield
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
13781-67-4

3-(2-hydroxyethyl)thiophene

3-bromo-4-hydroxybenzonitrile
2315-86-8

3-bromo-4-hydroxybenzonitrile

3-bromo-4-(2-thiophen-3-ylethoxy)benzonitrile
1189815-96-0

3-bromo-4-(2-thiophen-3-ylethoxy)benzonitrile

Conditions
ConditionsYield
With triphenylphosphine; diethylazodicarboxylate In tetrahydrofuran at 0 - 20℃;95%
With triphenylphosphine; diethylazodicarboxylate In tetrahydrofuran at 0 - 20℃;
3-(2-hydroxyethyl)thiophene
13781-67-4

3-(2-hydroxyethyl)thiophene

N-tert-butyloxycarbonylpiperidin-4-one
79099-07-3

N-tert-butyloxycarbonylpiperidin-4-one

trifluoroacetic acid
76-05-1

trifluoroacetic acid

4',5'-dihydrospiro[piperidine-4,7'-thieno[2,3-c]pyran]-1-ium trifluoroacetate
1307248-40-3

4',5'-dihydrospiro[piperidine-4,7'-thieno[2,3-c]pyran]-1-ium trifluoroacetate

Conditions
ConditionsYield
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
13781-67-4

3-(2-hydroxyethyl)thiophene

N-tert-butyloxycarbonylpiperidin-4-one
79099-07-3

N-tert-butyloxycarbonylpiperidin-4-one

4′,5′-dihydrospiro[piperidine-4,7′-thieno[2,3-c]pyran]
1283095-47-5

4′,5′-dihydrospiro[piperidine-4,7′-thieno[2,3-c]pyran]

Conditions
ConditionsYield
With trifluoroacetic acid In dichloromethane at 20℃; for 20.5h;95%
In tetrahydrofuran; dichloromethane at 25℃;95%
3-(2-hydroxyethyl)thiophene
13781-67-4

3-(2-hydroxyethyl)thiophene

1-methyl-1H-indole-2,3-dione
2058-74-4

1-methyl-1H-indole-2,3-dione

1-methyl-4',5'-dihydrospiro[indoline-3,7'-thieno[2,3-c]pyran]-2-one

1-methyl-4',5'-dihydrospiro[indoline-3,7'-thieno[2,3-c]pyran]-2-one

Conditions
ConditionsYield
With iron perchlorate hexahydrate In tetrahydrofuran at 80℃; for 72h; Friedel-Crafts Alkylation; Inert atmosphere;95%
3-(2-hydroxyethyl)thiophene
13781-67-4

3-(2-hydroxyethyl)thiophene

ethyl 5-allyloxyindole-2-carboxylate
51086-05-6

ethyl 5-allyloxyindole-2-carboxylate

5-allyloxy-1-[(2-thiophen-3-yl)ethyl]-1H-indole-2-carboxylic acid ethyl ester
385785-67-1

5-allyloxy-1-[(2-thiophen-3-yl)ethyl]-1H-indole-2-carboxylic acid ethyl ester

Conditions
ConditionsYield
With tributylphosphine; diamide In tetrahydrofuran at 20℃; for 18.3h; Stirring;94%
3-(2-hydroxyethyl)thiophene
13781-67-4

3-(2-hydroxyethyl)thiophene

2,2-dimethoxy-propane
77-76-9

2,2-dimethoxy-propane

5,7-dihydro-7,7-dimethyl-4H-thieno[2,3-c]pyran
1220970-47-7

5,7-dihydro-7,7-dimethyl-4H-thieno[2,3-c]pyran

Conditions
ConditionsYield
With bismuth(lll) trifluoromethanesulfonate; water In toluene at 80℃; oxa Pictet-Spengler reaction;94%
3-(2-hydroxyethyl)thiophene
13781-67-4

3-(2-hydroxyethyl)thiophene

1-Bromopentane
110-53-2

1-Bromopentane

3-[2-(pentyloxy)ethyl]thiophene

3-[2-(pentyloxy)ethyl]thiophene

Conditions
ConditionsYield
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
13781-67-4

3-(2-hydroxyethyl)thiophene

methyl 5-hydroxy-6-iodopyridine-3-carboxylate
1189816-87-2

methyl 5-hydroxy-6-iodopyridine-3-carboxylate

methyl 6-iodo-5-(2-(thiophen-3-yl)ethoxy)nicotinate
1189816-88-3

methyl 6-iodo-5-(2-(thiophen-3-yl)ethoxy)nicotinate

Conditions
ConditionsYield
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 20℃;93.2%
3-(2-hydroxyethyl)thiophene
13781-67-4

3-(2-hydroxyethyl)thiophene

tert-butylphenylphosphinic acid chloride
4923-85-7

tert-butylphenylphosphinic acid chloride

O-2-(3-thienyl)ethyltert-butylphenylphosphinate

O-2-(3-thienyl)ethyltert-butylphenylphosphinate

Conditions
ConditionsYield
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
13781-67-4

3-(2-hydroxyethyl)thiophene

trityl chloride
76-83-5

trityl chloride

3-(2-trityloxy-ethyl)-thiophene
198278-17-0

3-(2-trityloxy-ethyl)-thiophene

Conditions
ConditionsYield
With iron(III) chloride; 1-(n-butyl)-3-methylimidazolium triflate at 20℃; for 3.25h; Ionic liquid;92%
3-(2-hydroxyethyl)thiophene
13781-67-4

3-(2-hydroxyethyl)thiophene

allyl bromide
106-95-6

allyl bromide

3-(2-(allyloxy)ethyl)thiophene
136473-37-5

3-(2-(allyloxy)ethyl)thiophene

Conditions
ConditionsYield
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
13781-67-4

3-(2-hydroxyethyl)thiophene

2,5-dibromo-3-(2-hydroxyethyl)thiophene
207733-28-6

2,5-dibromo-3-(2-hydroxyethyl)thiophene

Conditions
ConditionsYield
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
13781-67-4

3-(2-hydroxyethyl)thiophene

methyl 3-hydroxy-5-isopropoxybenzoate
752242-26-5

methyl 3-hydroxy-5-isopropoxybenzoate

Methyl 3-isopropoxy-5-(2-(3-thienyl)ethoxy)benzoate
852520-41-3

Methyl 3-isopropoxy-5-(2-(3-thienyl)ethoxy)benzoate

Conditions
ConditionsYield
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
13781-67-4

3-(2-hydroxyethyl)thiophene

2-(3'-thienyl)ethyl chloride
7136-58-5

2-(3'-thienyl)ethyl chloride

Conditions
ConditionsYield
With pyridine; thionyl chloride In diethyl ether90%
With tetrachloromethane; tributylphosphine In acetonitrile for 18h; Heating;84%
With thionyl chloride In chloroform81.5%
With methanesulfonyl chloride; triethylamine In dichloromethane
3,4-dihydro-2H-pyran
110-87-2

3,4-dihydro-2H-pyran

3-(2-hydroxyethyl)thiophene
13781-67-4

3-(2-hydroxyethyl)thiophene

3-<2-(tetrahydropyranyloxy)ethyl>thiophene
160557-19-7

3-<2-(tetrahydropyranyloxy)ethyl>thiophene

Conditions
ConditionsYield
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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