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ChemicalBook--->CAS DataBase List--->41302-34-5

41302-34-5

41302-34-5 Structure

41302-34-5 Structure
IdentificationBack Directory
[Name]

2-METHOXYCARBONYLCYCLOHEXANONE
[CAS]

41302-34-5
[Synonyms]

AKOS 350
2-METHOXYCARBONYLCYCLOHEXANONE
Methyl 2-cyclohexanonecarboxylate
Methyl 2-oxocyclohexylcarboxylate
METHYL 2-OXOCYCLOHEXANECARBOXYLATE
METHYL CYCLOHEXANONE-2-CARBOXYLATE
methyl 2-oxocyclohexane-1-carboxylate
Methyl 2-oxocyclohexanecarboxylate,90%
Methyl 2-oxo--1-cyclohexanecarboxylate
2-oxo-cyclohexanecarboxylicacimethylester
Methyl 2-oxocyclohexanecarboxylate, 90% 10ML
Methyl 2-oxocyclohexanecarboxylate, 90% 50ML
2-OXO-CYCLOHEXANECARBOXYLIC ACID METHYL ESTER
2-Oxocyclohexane-1-carboxylic acid methyl ester
Methyl 2-oxocyclohexanecarboxylate technical, >=90% (GC)
2-Methoxycarbonylcyclohexanone, Methyl cyclohexanone-2-carboxylate
[EINECS(EC#)]

255-306-9
[Molecular Formula]

C8H12O3
[MDL Number]

MFCD00077699
[MOL File]

41302-34-5.mol
[Molecular Weight]

156.18
Chemical PropertiesBack Directory
[Appearance]

clear colorless to slightly yellow liquid
[Boiling point ]

50 °C0.2 mm Hg(lit.)
[density ]

1.10 g/mL at 20 °C(lit.)
[refractive index ]

n20/D 1.483
[Fp ]

85 °C
[storage temp. ]

Inert atmosphere,Store in freezer, under -20°C
[form ]

Liquid
[pka]

12.04±0.20(Predicted)
[color ]

Clear colorless to slightly yellow
[BRN ]

510258
[InChI]

InChI=1S/C8H12O3/c1-11-8(10)6-4-2-3-5-7(6)9/h6H,2-5H2,1H3
[InChIKey]

JEENWEAPRWGXSG-UHFFFAOYSA-N
[SMILES]

C1(C(OC)=O)CCCCC1=O
[LogP]

0.290 (est)
[EPA Substance Registry System]

Cyclohexanecarboxylic acid, 2-oxo-, methyl ester (41302-34-5)
Hazard InformationBack Directory
[Chemical Properties]

clear colorless to slightly yellow liquid
[Uses]

Methyl 2-Oxocyclohexanecarboxylate is a novel intermediate for the preparation of TRPA1 antagonists for treatment of pain and other TRPA1-associated diseases.
[Synthesis Reference(s)]

Journal of the American Chemical Society, 102, p. 431, 1980 DOI: 10.1021/ja00521a100
Organic Syntheses, Coll. Vol. 7, p. 351, 1990
[Synthesis]

The flask is flushed with nitrogen and charged with 18.02 g (0.20 mol) of dimethyl carbonate, 50 mL of anhydrous tetrahydrofuran, and 6.12 g (0.25 mol) of sodium hydride. The suspension is stirred and heated to reflux temperature, at which time the slow, dropwise addition of 7.80 g (0.080 mol) of cyclohexanone in 20 mL of dry tetrahydrofuran is begun. After 2 min, 0.306 g (0.0076 mol) of powdered potassium hydride is added to initiate the reaction. The addition of cyclohexanone is continued over a 1-hr period. The mixture is stirred and heated at reflux for another 30 min, cooled in an ice bath for 15–20 min, and hydrolyzed by slowly adding 75 mL of 3 M aqueous acetic acid. The flask's contents are poured into 100 mL of aqueous sodium chloride, and the aqueous mixture is extracted with four 150-mL portions of chloroform. The organic layers are combined, dried with anhydrous sodium sulfate, and concentrated at room temperature with a rotary evaporator. Distillation of the residual liquid under reduced pressure gives 9.8–10.8 g (79–87%) of methyl 2-oxocyclohexanecarboxylate as a colorless liquid, bp 53–55°C.
Safety DataBack Directory
[Safety Statements ]

23-24/25
[RIDADR ]

NA 1993 / PGIII
[WGK Germany ]

3
[HS Code ]

29183000
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