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29780 Sigma-Aldrich

Ethyl 2-oxocyclopentanecarboxylate

purum, ≥97.0% (GC)

Synonym: 2-(Ethoxycarbonyl)cyclopentanone, Ethyl cyclopentanone-2-carboxylate

  • CAS Number 611-10-9

  • Linear Formula (O=)C5H7CO2C2H5

  • Molecular Weight 156.18

  •  Beilstein Registry Number 387787

  •  EC Number 210-253-0

  •  MDL number MFCD00001412

  •  PubChem Substance ID 329753390

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Properties

Related Categories Building Blocks, C8 to C9, Carbonyl Compounds, Chemical Synthesis, Esters,
InChI Key   JHZPNBKZPAWCJD-UHFFFAOYSA-N
grade   purum
assay   ≥97.0% (GC)
refractive index   n20/D 1.452(lit.)
  n20/D 1.453
bp   102-104 °C/11 mmHg(lit.)
density   1.054 g/mL at 25 °C(lit.)
storage temp.   2-8°C

Description

Application

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

General description

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

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Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3
Flash Point(F) 
170.6 °F
Flash Point(C) 
77 °C
Protocols & Articles
Peer-Reviewed Papers
15

References

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