ChemicalBook--->CAS DataBase List--->33668-25-6

33668-25-6

33668-25-6 Structure

33668-25-6 Structure
IdentificationBack Directory
[Name]

ETHYL 3-OXOCYCLOHEXANE-1-CARBOXYLATE
[CAS]

33668-25-6
[Synonyms]

Ethyl 3-oxo-cyclohexane formate
ETHYL 3-OXOCYCLOHEXANECARBOXYLATE
Ethyl Cyclohexanone-β-carboxylate
ETHYL 3-OXOCYCLOHEXANE-1-CARBOXYLATE
Ethyl 3-oxocyclohexane-1-carboxylate 97+%
3-Cyclohexanonecarboxylic acid ethyl ester
3-Oxocyclohexanecarboxylic acid ethyl ester
3-Oxocyclohexane-1-carboxylic acid ethyl ester
Cyclohexanecarboxylic acid, 3-oxo-, ethyl ester
1-(Ethoxycarbonyl)-3-oxocyclohexane, 3-(Ethoxycarbonyl)cyclohexan-1-one
[EINECS(EC#)]

251-626-8
[Molecular Formula]

C9H14O3
[MDL Number]

MFCD00205583
[MOL File]

33668-25-6.mol
[Molecular Weight]

170.21
Chemical PropertiesBack Directory
[Boiling point ]

249℃
[density ]

1.083
[Fp ]

104℃
[storage temp. ]

2-8°C
[Appearance]

Colorless to light yellow Liquid
[InChI]

InChI=1S/C9H14O3/c1-2-12-9(11)7-4-3-5-8(10)6-7/h7H,2-6H2,1H3
[InChIKey]

YLRVJPQVDQQBOX-UHFFFAOYSA-N
[SMILES]

C1(C(OCC)=O)CCCC(=O)C1
Safety DataBack Directory
[Symbol(GHS) ]

Exclamation Mark (GHS07)
GHS07
[Signal word ]

Warning
[Hazard statements ]

H315-H319-H335
[Precautionary statements ]

P261-P305+P351+P338
[Hazard Codes ]

Xi
[Risk Statements ]

41
[Safety Statements ]

26-39
[WGK Germany ]

WGK 3
[Hazard Note ]

Irritant
[HS Code ]

2918199890
[Storage Class]

13 - Non Combustible Solids
[Hazard Classifications]

Eye Dam. 1
Hazard InformationBack Directory
[Uses]

Ethyl Cyclohexanone-β-carboxylate is an intermediate used to prepare carbazole-carboxamides with selective JAK2 inhibitory activities.
[Synthesis Reference(s)]

Journal of the American Chemical Society, 110, p. 2565, 1988 DOI: 10.1021/ja00216a033
[Hazard]

Ethyl 3-oxocyclohexane-1-carboxylate is irritating to the eyes and skin, may cause respiratory irritation, and is harmful if swallowed.
[Synthesis]

To a round bottom flask was added 3-oxo-1-cyclohexanecarboxylic acid (3.85 g, 27.1 mmol), ethanol (7.91 mL), p-toluenesulfonic acid (0.097 g, 0.56 mmol) and toluene (65.9 mL). The mixture was refluxed with a Dean-star trap overnight. The reaction mixture was cooled down and concentrated under reduced pressure to afford 4.61 g (100 %) of the title compound, 3-oxo-cyclohexanecarboxylic acid ethyl ester (Ethyl 3-oxocyclohexane-1-carboxylate), as a yellow oil.
[References]

[1] Patent: US2011/98299, 2011, A1. Location in patent: Page/Page column 23
[2] Journal of Fluorine Chemistry, 2017, vol. 199, p. 60 - 66
[3] Journal of the Chemical Society, 1909, vol. 95, p. 2016
[4] Patent: WO2014/11902, 2014, A1. Location in patent: Paragraph 00284-00285
[5] Patent: WO2014/194242, 2014, A2. Location in patent: Paragraph 00353; 00356
Spectrum DetailBack Directory
[Spectrum Detail]

ETHYL 3-OXOCYCLOHEXANE-1-CARBOXYLATE(33668-25-6)1HNMR
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