Products

Ethyl 2-oxocyclopentanecarboxylate

Product Introduction

Ethyl 2-oxocyclopentanecarboxylate Basic information

Product Name:	Ethyl 2-oxocyclopentanecarboxylate
Synonyms:	ETHYL-2-CYCLOPENTANONECARBOXYLATE;ETHYL 2-OXOCYCLOPENTANECARBOXYLATE;CYCLOPENTANONE-2-CARBOXYLIC ACID ETHYL ESTER;Ethyl 2-oxocyclopentanecarboxylate, tech., 90% 100GR;Ethyl 2-oxocyclopentanecarboxylate, tech., 90% 25GR;2-Carbethoxycyclopentanone 2-Ethoxycarbonylcyclopentanone Cyclopentanone-2-carboxylic Acid Ethyl Ester Ethyl Cyclopentanone-2-carboxylate 2-Oxocyclopentanecarboxylic Acid Ethyl Ester;Ethyl 2-oxocyclopentanecarboxylate,2-(Ethoxycarbonyl)cyclopentanone, Ethyl cyclopentanone-2-carboxylate;Ethyl-2-cyclopentanonecarboxylate 10g [611-10-9]
CAS:	611-10-9
MF:	C8H12O3
MW:	156.18
EINECS:	210-253-0
Product Categories:	Pharmaceutical Intermediates;BUILDING BLOCKS;C8 to C9;Carbonyl Compounds;Chemical Synthesis;Esters;fine chemicals, specialty chemicals, intermediates, electronic chemical, organic synthesis;fine chemicals, specialty chemicals, intermediates, electronic chemical, organic synthesis, functional materials;Organic Building Blocks
Mol File:	611-10-9.mol

Ethyl 2-oxocyclopentanecarboxylate Chemical Properties

Boiling point	102-104 °C/11 mmHg (lit.)
density	1.054 g/mL at 25 °C (lit.)
refractive index	n20/D 1.452(lit.)
Fp	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
InChIKey	JHZPNBKZPAWCJD-UHFFFAOYSA-N
LogP	0.330 (est)
CAS DataBase Reference	611-10-9(CAS DataBase Reference)
NIST Chemistry Reference	Cyclopentanecarboxylic acid, 2-oxo-, ethyl ester(611-10-9)

Safety Information

MSDS Information

Provider	Language
2-(Ethoxycarbonyl)cyclopentanone	English
ACROS	English
SigmaAldrich	English
ALFA	English

Ethyl 2-oxocyclopentanecarboxylate Usage And Synthesis

Chemical Properties	clear colourless to pale yellow liquid
Uses	Pharmaceutical intermediate.
Uses	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.

Ethyl 2-oxocyclopentanecarboxylate Preparation Products And Raw materials

Raw materials	Tetrahydrofuran-->Acetic acid-->Sodium-->Toluene-->Potassium tert-butoxide-->Diethyl adipate-->Cyclopentanecarboxylic acid, 1-bromo-2-oxo-, ethyl ester-->1,4-Dioxaspiro[4.4]nonane-6-carboxylic acid, ethyl ester
Preparation Products	3-Indolepropionic acid-->1-Cyclopentene-1-carboxylic acid, 2-(benzoylamino)-, ethyl ester-->Naphth[2,3-b]oxiren-2(1aH)-one, 7,7a-dihydro-7-hydroxy-1a,7-dimethyl--->2-CYCLOPENTANONE CARBOXYLATE-->3-oxo-2-pentylcyclopentaneacetic acid-->7-Hydroxy-2,3-dihydro-1H-cyclopenta[c]chromen-4-one-->MDL-29951-->Monoethyl Adipate

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