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Cas:97-62-1
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Cas:97-62-1
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inquiryKeywords · 97-62-1 · 97-62-1 Ethyl isobutyrate · Ethyl isobutyrate Quick Details · ProName:Ethyl isobutyrate CAS NO.97-62-1 · CasNo:97-62-1 · Appearance:powder
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Conditions | Yield |
---|---|
at 120℃; for 24h; | 98% |
Conditions | Yield |
---|---|
With water; lithium diisopropyl amide In tetrahydrofuran 1) -78 deg C, 30 min 2) 30 min; | 96% |
With Graphite; acetophenone; potassium bromide In water at 25℃; Reagent/catalyst; Electrolysis; | |
With trans-Mo2(μ-N,N′-bis(4-methoxyphenyl)formamidinato-κ2N:N′)2(OOCCH3)2; 1-methyl-3,6-bis(trimethylsilyl)-1,4-cyclohexadiene; tetrabutyl-ammonium chloride In acetonitrile at 80℃; for 24h; | 73 %Spectr. |
With di-tert-butoxydiazene; tri-n-butyl-tin hydride In cyclohexane at 42℃; Kinetics; Inert atmosphere; Darkness; |
Conditions | Yield |
---|---|
With S,S-bis<4,6-dimethyl-2-pyrimidinyl> dithiocarbonate; dmap In dichloromethane for 1.5h; Ambient temperature; | 91% |
With toluene-4-sulfonic acid In cyclohexane Reflux; | 68.9% |
With Rhizomucor miehei lipase In n-heptane at 40℃; for 24h; Enzymatic reaction; | 65.7% |
Conditions | Yield |
---|---|
In benzene Product distribution; Irradiation; | A 90% B 90% |
ethanol
di-isopropyl azodicarboxylate
2,4-dimethylpentan-3-one
B
Ethyl isobutyrate
Conditions | Yield |
---|---|
Stage #1: di-isopropyl azodicarboxylate; 2,4-dimethylpentan-3-one With cerium(IV) trifluoromethanesulfonate; trimethylsilyl cyanide; 9,10-diphenylanthracene; tetrabutyl-ammonium chloride; titanium tetrachloride In acetonitrile at 0 - 50℃; for 24h; Inert atmosphere; Irradiation; Glovebox; Stage #2: ethanol With triethylamine In acetonitrile at 20℃; for 2h; Inert atmosphere; Glovebox; | A 87% B 90 %Chromat. |
2-isopropyl-1,3-dioxolane
A
2-hydroxyethyl isobutyrate
B
Ethyl isobutyrate
Conditions | Yield |
---|---|
With Cumene hydroperoxide In chlorobenzene at 130℃; for 1h; Product distribution; Rate constant; | A 70% B n/a |
With Cumene hydroperoxide at 110℃; |
ethyl 2-methyl-2-methyl tellurium propionate
A
dimethyl ditelluride
B
isobutyric Acid
C
Ethyl isobutyrate
Conditions | Yield |
---|---|
With potassium hydroxide In tetrahydrofuran; water at 70℃; for 3h; Inert atmosphere; | A 52% B 14% C 22% |
ethyl 2-bromoisobutyrate
dimanganese decacarbonyl
A
diethyl 2,2,3,3-tetramethylsuccinate
C
diethyl 2,2-dimethyl-4-methylenepenta-1,5-dioate
D
methyl methacrylate
E
Ethyl isobutyrate
Conditions | Yield |
---|---|
In tetrahydrofuran Irradiation (UV/VIS); (N2 or Ar); 250-W sun lamp, 3 h; colorless solution is filtered, (1)H-NMR; | A 45% B 13% C 5% D 12% E 17% |
In chloroform-d1 Irradiation (UV/VIS); (N2 or Ar); 250-W sun lamp, 3 h; colorless solution is filtered, (1)H-NMR; | A 36% B 9% C 4% D 5% E 13% |
Conditions | Yield |
---|---|
In benzene Product distribution; Irradiation; | A 41% B 38% |
ethyl 2-bromoisobutyrate
A
diethyl 2,2,3,3-tetramethylsuccinate
B
diethyl 2,2-dimethyl-4-methylenepenta-1,5-dioate
C
methyl methacrylate
D
Ethyl isobutyrate
Conditions | Yield |
---|---|
With {bis(triphenylphosphine)nitrogen}{manganese(carbonyl)5} In tetrahydrofuran for 5h; | A 36% B 3% C 6% D 35% |
ethyl 2-bromoisobutyrate
bis(triphenylphosphineiminium) pentacarbonylmanganate(1-)
A
diethyl 2,2,3,3-tetramethylsuccinate
B
diethyl 2,2-dimethyl-4-methylenepenta-1,5-dioate
C
methyl methacrylate
D
Ethyl isobutyrate
Conditions | Yield |
---|---|
In tetrahydrofuran (N2 or Ar); solution is allowed to stand for 5 h; determination by NMR and MS fragmentation; | A 36% B 3% C 6% D 35% |
ethyl 2-bromoisobutyrate
sodium pentacarbonyl manganate
A
diethyl 2,2,3,3-tetramethylsuccinate
B
diethyl 2,2-dimethyl-4-methylenepenta-1,5-dioate
C
methyl methacrylate
D
Ethyl isobutyrate
Conditions | Yield |
---|---|
In tetrahydrofuran (N2 or Ar); solution is allowed to stand for 5 h; determination by NMR and MS fragmentation; | A 14% B 1% C 16% D 36% |
ethanol
3-isobutanoyl-thiazolidine-2-thione
A
thiazolidine-2-thione
B
Ethyl isobutyrate
Conditions | Yield |
---|---|
Irradiation; Yields of byproduct given; | A n/a B 17% |
ethyl 2-bromoisobutyrate
A
diethyl 2,2,3,3-tetramethylsuccinate
B
diethyl 2,2-dimethyl-4-methylenepenta-1,5-dioate
C
diethyl 3-carbethoxy-2,2,3,5,5-pentamethylhexa-1,6-dioate
D
Ethyl isobutyrate
Conditions | Yield |
---|---|
With dimanganese decacarbonyl In tetrahydrofuran for 0.5h; Irradiation; or CDCl3; Further byproducts given; | A 45 % Chromat. B 5 % Chromat. C 13% D 17 % Chromat. |
ethyl 2-bromoisobutyrate
benzophenone
A
ethyl 2,2-dimethyl-3-oxobutanoate
B
diethyl 2,2,3,3-tetramethylsuccinate
C
Ethyl 3-hydroxy-2,2-dimethyl-3,3-diphenylpropanoate
D
Ethyl isobutyrate
Conditions | Yield |
---|---|
With tetrabutylammonium tetrafluoroborate; zinc dibromide; zinc In acetonitrile Ambient temperature; | A n/a B n/a C 10% D n/a |
ethyl 2,2-dimethyl-3-oxobutanoate
diethyl ether
sodium ethanolate
A
2,2-dimethyl-3,5-dioxo-hexanoic acid ethyl ester
B
Ethyl isobutyrate
diethyl ether
ethyl 3-hydroxy-2,2-dimethyl-3-phenylpropanoate
sodium ethanolate
A
benzoic acid
B
Ethyl isobutyrate
C
benzyl alcohol
ethanol
5-methyl-hexane-2,4-dione 2-enol tautomer
A
acetone
B
Ethyl isobutyrate
Conditions | Yield |
---|---|
Geschwindigkeit; |
Conditions | Yield |
---|---|
With aluminum oxide at 325℃; |
ethyl 2-ethyl-4-methyl-3-oxopentanoate
benzoic acid ethyl ester
A
2-benzoyl-butyric acid ethyl ester
B
Ethyl isobutyrate
Conditions | Yield |
---|---|
at 145℃; Na-Verbindung; |
2-isobutyryl-4-methyl-glutaric acid diethyl ester
sodium ethanolate
A
diethyl 2-methylglutarate
B
Ethyl isobutyrate
Conditions | Yield |
---|---|
at 115 - 120℃; |
aluminum ethoxide
benzaldehyde
isobutyraldehyde
A
benzyl 2-methylpropanoate
B
isobutyl benzoate
C
benzoic acid benzyl ester
D
Ethyl isobutyrate
Conditions | Yield |
---|---|
Produkt 5:Isobutylisobutyrat; |
Conditions | Yield |
---|---|
With sodium; methyl iodide |
1-propylmagnesium chloride
2,2-dimethylmalonic acid diethyl ester
A
n-propyl isopropyl ketone
B
4-heptanone
C
heptan-4-ol
D
Ethyl isobutyrate
Conditions | Yield |
---|---|
Produkt 5: Tripropylcarbinol; Produkt 6: 5.5-Dimethyl-nonandiol-(4.6); |
2,2-dimethylmalonic acid diethyl ester
A
2,3,3,4-tetramethylpentane-2,4-diol
B
3-hydroxy-2,2,3-trimethyl-butyric acid ethyl ester
C
acetone
D
Ethyl isobutyrate
propylmagnesium iodide
2,2-dimethylmalonic acid diethyl ester
A
4-heptanone
B
Ethyl isobutyrate
2,2-dimethylmalonic acid diethyl ester
A
benzophenone
B
biphenyl
C
Ethyl isobutyrate
Conditions | Yield |
---|---|
With diethyl ether; sodium | |
With hydrogen; platinum at 200℃; |
((S)-3-Iodo-2-methyl-propoxymethoxymethyl)-benzene
Ethyl isobutyrate
(R)-5-Benzyloxymethoxy-2,2,4-trimethyl-pentanoic acid ethyl ester
Conditions | Yield |
---|---|
With lithium diisopropyl amide In tetrahydrofuran | 100% |
3-methoxy-benzaldehyde
Ethyl isobutyrate
ethyl 3-hydroxy-3-(3-methoxyphenyl)-2,2-dimethylpropanoate
Conditions | Yield |
---|---|
Stage #1: Ethyl isobutyrate With lithium diisopropyl amide In tetrahydrofuran at -78℃; for 0.5h; Stage #2: 3-methoxy-benzaldehyde In tetrahydrofuran at -78℃; for 1.5h; | 100% |
2-bromomethyl-1,3,4-trimethoxynaphthalene
Ethyl isobutyrate
ethyl 2,2-dimethyl-3-(1,3,4-trimethoxynaphthalen-2-yl)propanoate
Conditions | Yield |
---|---|
With lithium diisopropyl amide | 100% |
Stage #1: Ethyl isobutyrate With n-butyllithium; lithium diisopropyl amide In tetrahydrofuran; hexane at -80℃; Inert atmosphere; Stage #2: 3-bromomethyl-1,2,4-trimethoxynaphthalene In tetrahydrofuran; hexane at -80 - 20℃; Inert atmosphere; | 5.5 g |
4-Fluorobenzyl bromide
Ethyl isobutyrate
3-(4-Fluorophenyl)-2,2-dimethyl-propionic Acid Ethyl Ester
Conditions | Yield |
---|---|
Stage #1: Ethyl isobutyrate With lithium hexamethyldisilazane In tetrahydrofuran at -78℃; for 1h; Stage #2: 4-Fluorobenzyl bromide In tetrahydrofuran at -78 - 20℃; for 18h; | 100% |
Stage #1: Ethyl isobutyrate With lithium hexamethyldisilazane In tetrahydrofuran at -78℃; for 1h; Stage #2: 4-Fluorobenzyl bromide In tetrahydrofuran for 18.0833h; | 99% |
3-phenyl-propionaldehyde
Ethyl isobutyrate
ethyl 3-hydroxy-2,2-dimethyl-5-phenylpentanoate
Conditions | Yield |
---|---|
Stage #1: Ethyl isobutyrate With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -78℃; for 0.5h; Inert atmosphere; Stage #2: 3-phenyl-propionaldehyde In tetrahydrofuran; hexane at -78℃; for 2h; Inert atmosphere; | 100% |
Conditions | Yield |
---|---|
Stage #1: Ethyl isobutyrate With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -78℃; for 1h; Stage #2: bromoundecane In tetrahydrofuran; hexane at 20℃; | 100% |
Stage #1: Ethyl isobutyrate With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -78℃; for 1h; Stage #2: bromoundecane In tetrahydrofuran; hexane at 20℃; | 100% |
Conditions | Yield |
---|---|
Stage #1: Ethyl isobutyrate With lithium diisopropyl amide In tetrahydrofuran; hexane at -78℃; for 0.166667h; Stage #2: 1-Bromo-2-butyne In tetrahydrofuran; hexane at -78℃; for 0.75h; | 99% |
With 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; lithium diisopropyl amide In tetrahydrofuran at -10℃; | 95% |
With lithium diisopropyl amide | 76% |
Stage #1: Ethyl isobutyrate With lithium diisopropyl amide In tetrahydrofuran; hexane at -78℃; for 0.75h; Inert atmosphere; Stage #2: 1-Bromo-2-butyne In tetrahydrofuran; hexane at -78 - 20℃; for 0.4h; Inert atmosphere; | 61% |
Ethyl isobutyrate
Conditions | Yield |
---|---|
With lithium diisopropyl amide In tetrahydrofuran at -78℃; for 2h; | 99% |
Ethyl isobutyrate
1-iodo-2-(triethylsilyloxy)ethane
2,2-dimethyl-4-triethylsilanyloxy-butyric acid ethyl ester
Conditions | Yield |
---|---|
Stage #1: Ethyl isobutyrate With lithium diisopropyl amide In tetrahydrofuran; hexane at -78℃; for 0.333333h; Stage #2: 1-iodo-2-(triethylsilyloxy)ethane In tetrahydrofuran; hexane cooling; | 99% |
With lithium diisopropyl amide In tetrahydrofuran at -78 - 20℃; |
1,2,3-trimethoxybenzene
Ethyl isobutyrate
1-(2-methylpropyl)-2,4,6-trimethoxybenzene
Conditions | Yield |
---|---|
With dimethylethylsilane; (μ3,η2,η3,η5-acenaphthylene)Ru3(CO)7 at 20℃; for 5h; Inert atmosphere; Neat (no solvent); | 99% |
phenylacetonitrile
Ethyl isobutyrate
4-methyl-3-oxo-2-phenyl-pentanenitrile
Conditions | Yield |
---|---|
With potassium 2-methylbutan-2-olate In tetrahydrofuran at 60℃; for 1h; | 98.4% |
Stage #1: Ethyl isobutyrate With potassium tert-butylate In tetrahydrofuran; water Stage #2: phenylacetonitrile In tetrahydrofuran; water at 20℃; for 0.5h; | 75% |
Stage #1: phenylacetonitrile With sodium hydride In tetrahydrofuran; mineral oil at 0 - 20℃; Stage #2: Ethyl isobutyrate In tetrahydrofuran; mineral oil at 60℃; for 2h; Stage #3: With hydrogenchloride In tetrahydrofuran; water; mineral oil | 19% |
With diethyl ether; ethanol; potassium ethoxide | |
With lithium hexamethyldisilazane In tetrahydrofuran at 0 - 29℃; for 1h; Inert atmosphere; Schlenk technique; |
benzaldehyde
Ethyl isobutyrate
ethyl 3-hydroxy-2,2-dimethyl-3-phenylpropanoate
Conditions | Yield |
---|---|
Stage #1: Ethyl isobutyrate With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -78℃; for 0.5h; Inert atmosphere; Stage #2: benzaldehyde In tetrahydrofuran; hexane at -78℃; for 1h; Inert atmosphere; | 98% |
With n-butyllithium; diisopropylamine THF, -78 deg C; 1.) 50 min, 2.) 5 min; Yield given. Multistep reaction; |
ethyl 4,4,4-trifluorocrotonate
Ethyl isobutyrate
Conditions | Yield |
---|---|
With lithium diisopropyl amide In tetrahydrofuran; hexane 1.) -78 deg C, 30 min, 2.) -78 deg C, 1.0 h; | 98% |
6,6'-Dibromo-2,2'-bipyridine
Ethyl isobutyrate
6,6'-bis(1-ethoxycarbonyl-1-methylethyl)-[2,2']bipyridinyl
Conditions | Yield |
---|---|
Stage #1: Ethyl isobutyrate With lithium diisopropyl amide In tetrahydrofuran; hexane at -78℃; for 0.666667h; Stage #2: 6,6'-Dibromo-2,2'-bipyridine In tetrahydrofuran; hexane at -78℃; for 0.166667h; Irradiation; | 98% |
4-bromobenzenecarbonitrile
Ethyl isobutyrate
ethyl 2-(4-cyanophenyl)-2-methylpropanoate
Conditions | Yield |
---|---|
Stage #1: Ethyl isobutyrate With zinc chloride-2,2,6,6-tetramethylpiperidin-1-ide lithium chloride complex In tetrahydrofuran at 25℃; Inert atmosphere; Stage #2: 4-bromobenzenecarbonitrile With palladium diacetate In tetrahydrofuran at 50℃; for 9h; Inert atmosphere; | 98% |
N-(benzylidene)-p-methylbenzenesulfonamide
Ethyl isobutyrate
Conditions | Yield |
---|---|
Stage #1: Ethyl isobutyrate With lithium diisopropyl amide In tetrahydrofuran; hexane at -78℃; for 1h; Stage #2: N-(benzylidene)-p-methylbenzenesulfonamide In tetrahydrofuran; hexane for 2h; | 98% |
4-iodo-1-butynyltrimethylsilane
Ethyl isobutyrate
Conditions | Yield |
---|---|
Stage #1: Ethyl isobutyrate With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -78 - 0℃; for 0.5h; Inert atmosphere; Stage #2: 4-iodo-1-butynyltrimethylsilane In tetrahydrofuran; hexane at 20℃; Inert atmosphere; | 98% |
Stage #1: Ethyl isobutyrate With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -78 - 0℃; for 1.16667h; Corey-Fuchs Alkyne Synthesis; Inert atmosphere; Stage #2: 4-iodo-1-butynyltrimethylsilane In tetrahydrofuran; hexane at -78 - 20℃; for 2h; Inert atmosphere; | 88% |
Conditions | Yield |
---|---|
Stage #1: Ethyl isobutyrate With n-butyllithium; diisopropylamine In tetrahydrofuran at -20℃; for 0.916667h; Inert atmosphere; Stage #2: 2-bromo-3-(bromomethyl)benzonitrile In tetrahydrofuran at -20℃; for 0.75h; | 97.5% |
Conditions | Yield |
---|---|
Stage #1: Ethyl isobutyrate With lithium diisopropyl amide In tetrahydrofuran; hexane at -78℃; for 0.833333h; Stage #2: 2-methylpropenal In tetrahydrofuran; hexane at -78℃; for 0.166667h; Further stages.; | 97% |
Ethyl isobutyrate
3-bromo-1-phenyl-1-propenyl bromide
(E)-ethyl 2,2-dimethyl-5-phenylpent-4-enoate
Conditions | Yield |
---|---|
Stage #1: Ethyl isobutyrate With lithium diisopropyl amide In tetrahydrofuran at -5℃; for 0.5h; Inert atmosphere; Stage #2: 3-phenylprop-2-en-1-yl bromide In tetrahydrofuran at -50 - 20℃; for 18h; Inert atmosphere; | 97% |
Stage #1: Ethyl isobutyrate With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -50 - -5℃; for 1h; Inert atmosphere; Stage #2: 3-phenylprop-2-en-1-yl bromide In tetrahydrofuran; hexane at -50 - 20℃; for 10h; Inert atmosphere; | 94% |
Conditions | Yield |
---|---|
With iron(III)-acetylacetonate In n-heptane at 105℃; for 11h; Inert atmosphere; | 97% |
Conditions | Yield |
---|---|
Stage #1: Ethyl isobutyrate With lithium diisopropyl amide In tetrahydrofuran; hexane at -78℃; for 1h; Stage #2: N-(4-methoxybenzylidene)-p-toluenesulfonamide In tetrahydrofuran; hexane for 2h; | 97% |
chloro-trimethyl-silane
Ethyl isobutyrate
1-ethoxy-1-((trimethylsilyl)oxy)-2-methylpropene
Conditions | Yield |
---|---|
Stage #1: Ethyl isobutyrate With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -78℃; for 0.333333h; Stage #2: chloro-trimethyl-silane In tetrahydrofuran; hexane at 20℃; | 96% |
With lithium diisopropyl amide In tetrahydrofuran | 95% |
Stage #1: Ethyl isobutyrate With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -78℃; for 1h; Inert atmosphere; Stage #2: chloro-trimethyl-silane With 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone In tetrahydrofuran; hexane at -78 - 20℃; for 12.5h; Inert atmosphere; | 83% |
N-cinnamylidene-p-anisidine
Ethyl isobutyrate
Conditions | Yield |
---|---|
With potassium tert-butylate In tetrahydrofuran for 12h; Ambient temperature; | 96% |
(4S,5S)-4,5-dimethoxymethyl-2-(N-p-methoxyphenyl)iminomethyl-2-methyl-1,3-dioxolane
Ethyl isobutyrate
(4S)-4-<(4S,5S)-4,5-dimethoxymethyl-2-methyl-1,3-dioxolan-2-yl>-1-p-methoxyphenyl-3,3-dimethyl-2-azetidinone
Conditions | Yield |
---|---|
With lithium diisopropyl amide Mechanism; Product distribution; multistep reaction; other metal ester enolates; enantioselectivity; | 96% |
With lithium diisopropyl amide 1.) DME, -78 deg C, 15 min, 2.) DME, r.t, 12 h; Yield given. Multistep reaction; |
2-bromo-2',4'-difluoroacetophenone
Ethyl isobutyrate
3-(2,4-difluorophenyl)-3,4-epoxy-2,2-dimethylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
With n-butyllithium; ammonium chloride; sodium hydrogencarbonate; lithium diisopropyl amide In tetrahydrofuran; hexane; water | 96% |
Conditions | Yield |
---|---|
Stage #1: Ethyl isobutyrate With lithium diisopropyl amide In tetrahydrofuran; hexane at -78℃; for 1h; Stage #2: o-chloro-N-tosylbenzaldimine In tetrahydrofuran; hexane for 2h; | 96% |
Conditions | Yield |
---|---|
Stage #1: Ethyl isobutyrate With lithium diisopropyl amide In tetrahydrofuran; n-heptane; ethylbenzene at -78℃; Stage #2: (Z,Z,Z)-1-Bromooctadeca-9,12,15-triene In tetrahydrofuran; n-heptane; ethylbenzene at -78 - 20℃; Inert atmosphere; | 96% |
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