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Ethyl 2-bromo-3-methylbutyrate

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Name

Ethyl 2-bromo-3-methylbutyrate

EINECS 210-178-3
CAS No. 609-12-1 Density 1.294 g/cm3
PSA 26.30000 LogP 1.96900
Solubility slightly soluble in water, soluble in alcohols, aether Melting Point N/A
Formula C7H13BrO2 Boiling Point 184 °C at 760 mmHg
Molecular Weight 209.083 Flash Point 72.5 °C
Transport Information N/A Appearance clear colorless liquid
Safety 24/25 Risk Codes 36/37/38
Molecular Structure Molecular Structure of 609-12-1 (Ethyl 2-bromo-3-methylbutyrate) Hazard Symbols R36/37/38:对眼睛、呼吸道和皮肤有刺激作用;
Synonyms

Butyricacid, 2-bromo-3-methyl-, ethyl ester (7CI,8CI);2-Bromo-3-methylbutanoic acidethyl ester;2-Bromo-3-methylbutyric acid ethyl ester;Ethyl2-bromo-2-isopropylacetate;Ethyl 2-bromo-3-methylbutanoate;Ethyl 2-bromoisovalerate;Ethyl a-bromoisovalerate;NSC 8866;a-Bromoisovaleric acid ethyl ester;

Article Data 17

Ethyl 2-bromo-3-methylbutyrate Synthetic route

64-17-5

ethanol

10323-40-7, 565-74-2

2-bromoisovaleric acid

609-12-1

ethyl 2-bromoisovalerate

Conditions
ConditionsYield
With sulfuric acid for 16h; Reflux;92%
With sulfuric acid for 2h; Heating;81%
With sulfuric acid In benzene for 48h; Heating;80%
With sulfuric acid for 36h; Heating / reflux;55%
With sulfuric acid
26464-05-1

2-bromo-3-methyl-butyryl bromide

64-17-5

ethanol

609-12-1

ethyl 2-bromoisovalerate

Conditions
ConditionsYield
at 60℃; for 1h;62%
at 80℃;
503-74-2

3-methylbutyric acid

64-17-5

ethanol

609-12-1

ethyl 2-bromoisovalerate

Conditions
ConditionsYield
(i) SOCl2, (ii) Br2, I2, (iii) /BRN= 1718733/; Multistep reaction;
(i) SOCl2, (ii) Br2, (iii) /BRN= 1718733/; Multistep reaction;
108-64-5

Ethyl isovalerate

609-12-1

ethyl 2-bromoisovalerate

Conditions
ConditionsYield
(i) cyclohexyl-isopropyl-amine <li salt="">, THF, (ii) Br2</li>; Multistep reaction;
potassium salt of isopropylmalonic acid monoethyl ester

potassium salt of isopropylmalonic acid monoethyl ester

609-12-1

ethyl 2-bromoisovalerate

Conditions
ConditionsYield
With tetrachloromethane; bromine Destillation des Reaktionsprodukts unter vermindertem Druck;
56-23-5

tetrachloromethane

7726-95-6

bromine

potassium 2-(ethoxycarbonyl)-3-methylbutanoate

609-12-1

ethyl 2-bromoisovalerate

Conditions
ConditionsYield
Destillieren des Reaktionsprodukts unter vermindertem Druck;
32363-91-0

1,1-Dichloro-3-methyl-1-butene

609-12-1

ethyl 2-bromoisovalerate

Conditions
ConditionsYield
With methanesulfonic acid; bromine; chlorine In ethanol
609-12-1

ethyl 2-bromoisovalerate

140-29-4

phenylacetonitrile

176519-53-2

ethyl 2-isopropyl-3-oxo-4-phenylbutanoate

Conditions
ConditionsYield
Stage #1: ethyl 2-bromoisovalerate With zinc In tetrahydrofuran for 0.166667h; Reflux;
Stage #2: phenylacetonitrile In tetrahydrofuran for 0.5h; Reflux;
100%
With zinc In tetrahydrofuran for 0.166667h; Heating;92%
With iodine; zinc In tetrahydrofuran Inert atmosphere;90%
609-12-1

ethyl 2-bromoisovalerate

39101-54-7

3,5-dimethylphenylacetonitrile

210645-97-9

ethyl 4-(3,5-dimethylphenyl)-2-isopropyl-3-oxobutanoate

Conditions
ConditionsYield
Stage #1: ethyl 2-bromoisovalerate With zinc In tetrahydrofuran for 0.166667h; Reflux;
Stage #2: 3,5-dimethylphenylacetonitrile In tetrahydrofuran for 0.5h; Reflux;
100%
Stage #1: ethyl 2-bromoisovalerate; 3,5-dimethylphenylacetonitrile With zinc In tetrahydrofuran for 1h; Heating / reflux;
Stage #2: With potassium carbonate In water for 0.75h;
Stage #3: With hydrogenchloride In water for 0.75h;
52%
With hydrogenchloride; zinc 1.) THF; Multistep reaction;
Stage #1: ethyl 2-bromoisovalerate; 3,5-dimethylphenylacetonitrile With iodine; zinc In tetrahydrofuran for 0.5h; Addition; reduction; Heating;
Stage #2: With potassium carbonate In tetrahydrofuran at 20℃; for 0.5h; Hydrolysis;
Stage #3: With hydrogenchloride In tetrahydrofuran at 20℃; for 0.5h; Hydrolysis;
Stage #1: ethyl 2-bromoisovalerate; 3,5-dimethylphenylacetonitrile With zinc In tetrahydrofuran
Stage #2: With hydrogenchloride
609-12-1

ethyl 2-bromoisovalerate

696-63-9

4-Methoxybenzenethiol

212768-71-3

2-(4-methoxy-phenylsulfanyl)-3-methyl-butyric acid ethyl ester

Conditions
ConditionsYield
With potassium carbonate In acetone for 8h; Heating;99%
99%
99%
99%
99%

Ethyl 2-bromo-3-methylbutyrate Specification

The Ethyl 2-bromoisovalerate, with the CAS registry number 609-12-1, is also known as alpha-Bromoisovaleric acid ethyl ester. It belongs to the product categories of Pharmaceutical Intermediates; Miscellaneous. Its EINECS registry number is 210-178-3. This chemical's molecular formula is C7H13BrO2 and molecular weight is 209.08. Its IUPAC name is called ethyl 2-bromo-3-methylbutanoate. What's more, this chemical is clear colorless liquid. The product should be sealed and stored in cool and dry place. When you are using this chemical, please be cautious about it. This chemical is irritating to eyes, respiratory system and skin. You should avoid contact with skin and eyes.

Physical properties of Ethyl 2-bromoisovalerate: (1)ACD/LogP: 2.60; (2)ACD/LogD (pH 5.5): 2.6; (3)ACD/LogD (pH 7.4): 2.6; (4)ACD/BCF (pH 5.5): 55.3; (5)ACD/BCF (pH 7.4): 55.3; (6)ACD/KOC (pH 5.5): 615.28; (7)ACD/KOC (pH 7.4): 615.28; (8)#H bond acceptors: 2; (9)#Freely Rotating Bonds: 4; (10)Index of Refraction: 1.456; (11)Molar Refractivity: 43.9 cm3; (12)Molar Volume: 161.4 cm3; (13)Surface Tension: 31.3 dyne/cm; (14)Density: 1.294 g/cm3; (15)Flash Point: 72.5 °C; (16)Enthalpy of Vaporization: 42.02 kJ/mol; (17)Boiling Point: 184 °C at 760 mmHg; (18)Vapour Pressure: 0.751 mmHg at 25°C.

Preparation of Ethyl 2-bromoisovalerate: this chemical can be prepared by 2-bromo-3-methyl-butyryl bromide and ethanol. The reaction time is 1 hour with reaction temperature of 60 °C. The yield is about 62%.

Ethyl 2-bromoisovalerate can be prepared by 2-bromo-3-methyl-butyryl bromide and ethanol

Uses of Ethyl 2-bromoisovalerate: it can be used to produce 2-(2-acetyl-phenoxy)-3-methyl-butyric acid ethyl ester with 1-(2-hydroxy-phenyl)-ethanone at temperature of 60 °C. This reaction will need reagent K3PO4 and solvent dimethylsulfoxide. The yield is about 59%.

Ethyl 2-bromoisovalerate can be used to produce 2-(2-acetyl-phenoxy)-3-methyl-butyric acid ethyl ester with 1-(2-hydroxy-phenyl)-ethanone

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: CCOC(=O)C(C(C)C)Br
(2)InChI: InChI=1S/C7H13BrO2/c1-4-10-7(9)6(8)5(2)3/h5-6H,4H2,1-3H3
(3)InChIKey: WNFUWONOILPKNX-UHFFFAOYSA-N

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