2-Ethylbenzofuran supplier | CasNO.3131-63-3

: 70339-98-9
1-propionoxy-2-bromomethylbenzene

: 3131-63-3
2-ethylbenzofuran

Conditions

Conditions	Yield
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

Conditions	Yield
With Amberlyst 15 In benzene Heating;	96%

: 2-(2-ethyl)ethynylphenol

: 3131-63-3
2-ethylbenzofuran

Conditions

Conditions	Yield
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

Conditions	Yield
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

Conditions	Yield
With tert.-butyl lithium	95%

: 104971-12-2
1-(but-1-yn-1-yl)-2-methoxybenzene

: 3131-63-3
2-ethylbenzofuran

Conditions

Conditions	Yield
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

Conditions	Yield
With sodium tert-pentoxide In toluene Heating;	89%

: 271-89-6
1-benzofurane

: 74-96-4
ethyl bromide

: 3131-63-3
2-ethylbenzofuran

Conditions

Conditions	Yield
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

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

: C16H14O3S

: 3131-63-3
2-ethylbenzofuran

Conditions

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

: 90-02-8
salicylaldehyde

: 78-95-5
chloroacetone

: 3131-63-3
2-ethylbenzofuran

Conditions

Conditions	Yield
Stage #1: salicylaldehyde With potassium hydroxide In ethanol for 2h; Reflux; Stage #2: chloroacetone In ethanol for 2h; Reflux; Stage #3: With hydrazine hydrate In ethylene glycol for 0.166667h; Reflux;	78.7%

: 199010-93-0
(2-But-1-ynyl-phenoxy)-triisopropyl-silane

: 3131-63-3
2-ethylbenzofuran

Conditions

Conditions	Yield
With 4 A molecular sieve; tetrabutyl ammonium fluoride In tetrahydrofuran at 50℃;	75%

: 53074-73-0
2-(2-chloroacetyl)phenol

: 2386-64-3
ethylmagnesium chloride

: 3131-63-3
2-ethylbenzofuran

Conditions

Conditions	Yield
Stage #1: 2-(2-chloroacetyl)phenol; ethylmagnesium chloride In tetrahydrofuran; toluene at 20 - 55℃; for 1.5h; Inert atmosphere; Stage #2: With hydrogenchloride In tetrahydrofuran; toluene	68%

: 86612-92-2
(2-formylphenoxy)-ethylacetate

: 3131-63-3
2-ethylbenzofuran

Conditions

Conditions	Yield
With sodium acetate; acetic anhydride; acetic acid Heating;	62%

: 113234-66-5
1-(2-methoxybenzoyl)butylidene(triphenyl)phosphorane

A: 7522-79-4
2-vinylbenzofuran

B: 3131-63-3
2-ethylbenzofuran

C: 4265-25-2
2-methylbenzofuran

Conditions

Conditions	Yield
at 850℃; flash vacuum pyrolysis;	A 10% B 52% C 9%

...Expand

: 97-94-9
triethyl borane

: 92439-07-1
benzofuran-2-carboxylic acid phenyl ester

: 3131-63-3
2-ethylbenzofuran

Conditions

Conditions	Yield
With bis(1,5-cyclooctadiene)nickel (0); cesium fluoride; 1,2-bis-(dicyclohexylphosphino)ethane In hexane; toluene at 150℃; for 48h; Suzuki-Miyaura Coupling; Sealed tube; Glovebox; chemoselective reaction;	39%

: 113234-67-6
1-(2-methoxybenzoyl)pentylidene(triphenyl)phosphorane

A: 7522-79-4
2-vinylbenzofuran

B: 3131-63-3
2-ethylbenzofuran

C: 4265-25-2
2-methylbenzofuran

Conditions

Conditions	Yield
at 850℃; flash vacuum pyrolysis;	A 25% B 30% C 4%

...Expand

: 113234-68-7
1-(2-methoxybenzoyl)hexylidene(triphenyl)phosphorane

A: 7522-79-4
2-vinylbenzofuran

B: 3131-63-3
2-ethylbenzofuran

C: 4265-25-2
2-methylbenzofuran

Conditions

Conditions	Yield
at 850℃; flash vacuum pyrolysis;	A 21% B 14% C 3%

...Expand

: 113234-63-2
1-(2-methoxyphenyl)-2-(triphenylphosphaneylidene)propan-1-one

A: 3131-63-3
2-ethylbenzofuran

B: 4265-25-2
2-methylbenzofuran

Conditions

Conditions	Yield
at 850℃; flash vacuum pyrolysis;	A 20% B 8%

: 14004-15-0
2-crotylphenol

A: 3131-63-3
2-ethylbenzofuran

B: 16198-39-3
(+/-)-2-ethenyl-2,3-dihydrobenzofuran

Conditions

Conditions	Yield
With copper diacetate; di-μ-acetato-bis<(3,2,10-η-cis-4-acetoxypinene)palladium(II); oxygen In methanol at 35℃; for 13h; Yield given. Yields of byproduct given;

: 18448-88-9
2-crotylphenol

A: 3131-63-3
2-ethylbenzofuran

B: 16198-39-3
(+/-)-2-ethenyl-2,3-dihydrobenzofuran

Conditions

Conditions	Yield
With copper diacetate; oxygen; bis In methanol at 35℃; for 5h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
With copper diacetate; oxygen; bis In methanol at 35℃; for 5h; Yield given. Yields of byproduct given;

: 18448-88-9
2-crotylphenol

A: 3131-63-3
2-ethylbenzofuran

B: 16198-39-3
(+/-)-2-ethenyl-2,3-dihydrobenzofuran

C: 7785-26-4
(-)-α-pinene

D: 18172-67-3, 19902-08-0
beta-pinene

: 4080-46-0, 23733-90-6, 30460-81-2
(+)-dehydro-β-pinene

Conditions

Conditions	Yield
With oxygen; bis In methanol at 35℃; for 71h; Product distribution; different ratio of cis/trans isomers of the title compound; presence/absence of Cu(OAc)2 underN2/or O2; influence of ratio of Cu(OAc)2/Pd complex and reaction time on the specific optical rotation of the products' mixture;other solvents; other catalysts;

...Expand

: 113234-63-2
1-(2-methoxyphenyl)-2-(triphenylphosphaneylidene)propan-1-one

A: 3131-63-3
2-ethylbenzofuran

B: 4265-25-2
2-methylbenzofuran

C: 791-28-6
Triphenylphosphine oxide

Conditions

Conditions	Yield
at 850℃; under 0.001 - 0.01 Torr; for 1h; Product distribution; Mechanism;	A 20 % Spectr. B 8 % Spectr. C n/a

...Expand

: 113234-66-5
1-(2-methoxybenzoyl)butylidene(triphenyl)phosphorane

A: 7522-79-4
2-vinylbenzofuran

B: 3131-63-3
2-ethylbenzofuran

C: 4265-25-2
2-methylbenzofuran

D: 791-28-6
Triphenylphosphine oxide

Conditions

Conditions	Yield
at 850℃; under 0.001 - 0.01 Torr; for 1h; Product distribution; Mechanism;	A 10 % Spectr. B 52 % Spectr. C 9 % Spectr. D n/a

...Expand

: 113234-67-6
1-(2-methoxybenzoyl)pentylidene(triphenyl)phosphorane

A: 7522-79-4
2-vinylbenzofuran

B: 3131-63-3
2-ethylbenzofuran

C: 4265-25-2
2-methylbenzofuran

D: 791-28-6
Triphenylphosphine oxide

Conditions

Conditions	Yield
at 850℃; under 0.001 - 0.01 Torr; for 1h; Product distribution; Mechanism;	A 25 % Spectr. B 30 % Spectr. C 4 % Spectr. D n/a

...Expand

: 113234-68-7
1-(2-methoxybenzoyl)hexylidene(triphenyl)phosphorane

A: 106-98-9
1-butylene

B: 7522-79-4
2-vinylbenzofuran

C: 3131-63-3
2-ethylbenzofuran

D: 4265-25-2
2-methylbenzofuran

E: 791-28-6
Triphenylphosphine oxide

Conditions

Conditions	Yield
at 850℃; under 0.001 - 0.01 Torr; for 1h; Product distribution; Mechanism;	A 10 % Spectr. B 21 % Spectr. C 14 % Spectr. D 3 % Spectr. E n/a

...Expand

: 112255-21-7, 112255-38-6
Butan-2-one O-phenyl-oxime

A: 3131-63-3
2-ethylbenzofuran

B: 3782-00-1
2,3-dimethylbenzofuran

Conditions

Conditions	Yield
With sulfuric acid In ethanol for 3h; Heating; Yield given. Yields of byproduct given. Title compound not separated from byproducts;

: 529-28-2
4-iodoanisol

: 78-93-3
butanone

A: 3131-63-3
2-ethylbenzofuran

B: 3782-00-1
2,3-dimethylbenzofuran

Conditions

Conditions	Yield
With chloro-trimethyl-silane; Kalium-tert-butylat; sodium iodide 1) liquid NH3, -33 deg C, irradiation; Yield given. Multistep reaction. Yields of byproduct given;

...Expand

: 1,1-dimethoxy-2-phenoxybutane

: 3131-63-3
2-ethylbenzofuran

Conditions

Conditions	Yield
With Amberlyst 15 In toluene at 107℃; for 0.166667h;

: 3131-63-3
2-ethylbenzofuran

: 100-07-2
4-methoxy-benzoyl chloride

: 3343-80-4
(2-ethylbenzofuran-3-yl)(4-methoxyphenyl)methanone

Conditions

Conditions	Yield
With polystyrene-supported aluminum trichloride In dichloromethane at 5 - 20℃; for 1h; Friedel-Crafts Acylation; Large scale;	98%
With tin(IV) chloride In carbon disulfide at 5 - 20℃; Inert atmosphere; Cooling with ice;	96%
Stage #1: 2-ethylbenzofuran With carbon disulfide for 0.5h; Inert atmosphere; Cooling with ice; Stage #2: 4-methoxy-benzoyl chloride With tin(IV) chloride at 20℃; for 6h; Cooling with ice;	96%

: 3131-63-3
2-ethylbenzofuran

: (R)-2-ethyl-2,3-dihydrobenzofuran

Conditions

Conditions	Yield
With hydrogen; C39H36IrNOP(1+)*C32H12BF24(1-) In dichloromethane at 25℃; under 38002.6 Torr; for 24h; Autoclave; Glovebox; enantioselective reaction;	91%

: 3131-63-3
2-ethylbenzofuran

: 325465-53-0
3-bromo-2-ethyl-1-benzofuran

Conditions

Conditions	Yield
Stage #1: 2-ethylbenzofuran With bromine In diethyl ether; ethyl acetate at 0℃; for 2h; Stage #2: With water In diethyl ether; ethyl acetate	88%
With N-Bromosuccinimide In tetrahydrofuran at -0.16℃; for 24h;	75%
With N-Bromosuccinimide In tetrahydrofuran at -0.16℃; for 24h;	75%
With N-Bromosuccinimide In chloroform at 20℃; for 12h;	41%

: 3131-63-3
2-ethylbenzofuran

: 124-38-9
carbon dioxide

: 2-(benzofuran-2-yl)propanoic acid

Conditions

Conditions	Yield
With (4s,6s)-2,4,5,6-tetra(9H-carbazol-9-yl)isophthalonitrile; triisopropylsilanethiol In N,N-dimethyl-formamide at 0℃; under 3040.2 Torr; for 24h; Irradiation; Sealed tube;	85%

: 626-55-1
3-Bromopyridine

: 3131-63-3
2-ethylbenzofuran

: 1227008-78-7
3-(2-ethylbenzofuran-3-yl)pyridine

Conditions

Conditions	Yield
With potassium acetate; palladium diacetate In N,N-dimethyl acetamide at 150℃; for 16h; Inert atmosphere;	84%

: 3131-63-3
2-ethylbenzofuran

: 623-00-7
4-bromobenzenecarbonitrile

: 1227008-61-8
4-(2-ethylbenzofuran-3-yl)benzonitrile

Conditions

Conditions	Yield
With palladium 10% on activated carbon; potassium acetate In N,N-dimethyl acetamide at 150℃; for 16h; Solvent; Inert atmosphere;	83%
With potassium acetate; palladium diacetate In N,N-dimethyl acetamide at 150℃; for 16h; Inert atmosphere;	82%