MilliporeSigma
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168092

Sigma-Aldrich

Ethyl 2-oxocyclopentanecarboxylate

95%

Synonym(s):
Ethyl cyclopentanone-2-carboxylate, 2-(Ethoxycarbonyl)cyclopentanone
Linear Formula:
(O=)C5H7CO2C2H5
CAS Number:
Molecular Weight:
156.18
Beilstein:
387787
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

95%

refractive index

n20/D 1.452 (lit.)

bp

102-104 °C/11 mmHg (lit.)

density

1.054 g/mL at 25 °C (lit.)

SMILES string

CCOC(=O)C1CCCC1=O

InChI

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

InChI key

JHZPNBKZPAWCJD-UHFFFAOYSA-N

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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.

Application

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.

Packaging

25, 100 g in glass bottle

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

170.6 °F - closed cup

Flash Point(C)

77 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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