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2-Ethylbenzofuran
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Name

2-Ethylbenzofuran

 EINECS 221-524-8
CAS No. 3131-63-3 Density 1.05 g/cm3
PSA 13.14000 LogP 2.99520
Solubility N/A Melting Point N/A
Formula C10H10O Boiling Point 210 °C at 760 mmHg
Molecular Weight 146.189 Flash Point 78.2 °C
Transport Information N/A Appearance COA
Safety Risk Codes N/A
Molecular Structure Molecular Structure of 3131-63-3 (2-Ethylbenzofuran) Hazard Symbols N/A
Synonyms

2-Ethylbenzo[b]furan;

Article Data 46

2-Ethylbenzofuran Synthetic route

70339-98-9

1-propionoxy-2-bromomethylbenzene

3131-63-3

2-ethylbenzofuran

Conditions
ConditionsYield
With chromium dichloride; boron trifluoride diethyl etherate In tetrahydrofuran Heating;96%
With chromium dichloride; diethyl ether; boron trifluoride 1.) THF, 5 h; 2.) THF, reflux; Yield given. Multistep reaction;
92016-54-1

2-phenoxybutanal

3131-63-3

2-ethylbenzofuran

Conditions
ConditionsYield
With Amberlyst 15 In benzene Heating;96%

2-(2-ethyl)ethynylphenol

3131-63-3

2-ethylbenzofuran

Conditions
ConditionsYield
With caesium carbonate; copper(l) chloride In acetonitrile at 20℃; under 760.051 Torr; for 6h;95.8%
1646-26-0

1-(benzo[b]furan-2-yl)ethanone

3131-63-3

2-ethylbenzofuran

Conditions
ConditionsYield
With [(C6H6)(PCy3)(CO)RuH]+*BF4−; hydrogen; phenol In 1,4-dioxane; isopropyl alcohol at 130℃; under 1520.1 Torr; for 12h; Inert atmosphere; Glovebox; Schlenk technique; chemoselective reaction;95%
Stage #1: 1-(benzo[b]furan-2-yl)ethanone With hydrazine hydrate In diethylene glycol at 150℃; for 0.5h;
Stage #2: With potassium hydroxide In diethylene glycol at 150℃; for 3h;		85%
Stage #1: 1-(benzo[b]furan-2-yl)ethanone With hydrazine In water; diethylene glycol at 120 - 190℃; Wolff-Kishner reduction;
Stage #2: With potassium hydroxide In water; diethylene glycol at 120 - 130℃; for 6h;		55%
271-89-6

1-benzofurane

75-03-6

ethyl iodide

3131-63-3

2-ethylbenzofuran

Conditions
ConditionsYield
With tert.-butyl lithium95%
104971-12-2

1-(but-1-yn-1-yl)-2-methoxybenzene

3131-63-3

2-ethylbenzofuran

Conditions
ConditionsYield
With lithium iodide In various solvent(s) for 18h; Heating;90%
70340-05-5

2-(1-oxopropoxy)phenylmethyl triphenylphosphonium bromide

3131-63-3

2-ethylbenzofuran

Conditions
ConditionsYield
With sodium tert-pentoxide In toluene Heating;89%
271-89-6

1-benzofurane

74-96-4

ethyl bromide

3131-63-3

2-ethylbenzofuran

Conditions
ConditionsYield
Stage #1: 1-benzofurane With n-butyllithium In tetrahydrofuran; hexane at -78.16℃; for 0.75h; Inert atmosphere;
Stage #2: ethyl bromide In tetrahydrofuran; hexane at 20℃; for 16h; Inert atmosphere;		84%
Stage #1: 1-benzofurane With n-butyllithium In tetrahydrofuran; hexane at -77.16℃; for 0.75h; Inert atmosphere;
Stage #2: ethyl bromide In tetrahydrofuran; hexane at 20℃; for 16h; Inert atmosphere;		84%
584-03-2

1,2-dihydroxybutane

108-95-2

phenol

3131-63-3

2-ethylbenzofuran

Conditions
ConditionsYield
With cyclopentene In toluene at 100℃; for 12h; Inert atmosphere; regioselective reaction;83%

C16H14O3S

3131-63-3

2-ethylbenzofuran

Conditions
ConditionsYield
With potassium dihydrogenphosphate; sodium amalgam In methanol at 20℃;79%
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