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HomeProduct name listEthyl 2-oxocyclopentanecarboxylate

Ethyl 2-oxocyclopentanecarboxylate

Synonym(s):2-(Ethoxycarbonyl)cyclopentanone;Ethyl cyclopentanone-2-carboxylate

  • CAS NO.:611-10-9
  • Empirical Formula: C8H12O3
  • Molecular Weight: 156.18
  • MDL number: MFCD00001412
  • EINECS: 210-253-0
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-05 15:39:15
Ethyl 2-oxocyclopentanecarboxylate Structural

What is Ethyl 2-oxocyclopentanecarboxylate?

Chemical properties

clear colourless to pale yellow liquid

The Uses of Ethyl 2-oxocyclopentanecarboxylate

Pharmaceutical intermediate.

The Uses of Ethyl 2-oxocyclopentanecarboxylate

Ethyl 2-oxocyclopentanecarboxylate was used in stereoselective synthesis of (±)-cis,cis-spiro[4.4]nonane-1,6-diol. It was also used in the synthesis of tanikolide.

Synthesis Reference(s)

Journal of the American Chemical Society, 85, p. 207, 1963 DOI: 10.1021/ja00885a021
The Journal of Organic Chemistry, 55, p. 5037, 1990 DOI: 10.1021/jo00304a014
Tetrahedron Letters, 22, p. 1353, 1981 DOI: 10.1016/S0040-4039(01)90316-8

General Description

Phase-transfer benzylation reaction of ethyl 2-oxocyclopentanecarboxylate with benzyl bromide in microreactor has been investigated. Ethyl 2-oxocyclopentanecarboxylate participates in cobalt (II) Schiff′s base complex catalyzed oxidation of primary and secondary alcohols.

Hazard

Vapors are toxic, as is skin contact.

Properties of Ethyl 2-oxocyclopentanecarboxylate

Boiling point: 102-104 °C/11 mmHg (lit.)
Density  1.054 g/mL at 25 °C (lit.)
refractive index  n20/D 1.452(lit.)
Flash point: 172 °F
storage temp.  Sealed in dry,Room Temperature
form  Liquid
pka 12.02±0.20(Predicted)
color  Clear colorless to pale yellow
Water Solubility  insoluble
BRN  387787
CAS DataBase Reference 611-10-9(CAS DataBase Reference)
NIST Chemistry Reference Cyclopentanecarboxylic acid, 2-oxo-, ethyl ester(611-10-9)

Safety information for Ethyl 2-oxocyclopentanecarboxylate

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H227:Flammable liquids
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P370+P378:In case of fire: Use … for extinction.
P403+P235:Store in a well-ventilated place. Keep cool.
P501:Dispose of contents/container to..…

Computed Descriptors for Ethyl 2-oxocyclopentanecarboxylate

InChIKey JHZPNBKZPAWCJD-UHFFFAOYSA-N

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