ChemicalBook--->CAS DataBase List--->20826-94-2

20826-94-2

20826-94-2 Structure

20826-94-2 Structure
IdentificationBack Directory
[Name]

Ethyl 2-oxocyclopentylacetate
[CAS]

20826-94-2
[Synonyms]

ETHYL 2-OXOCYCLOPENTYLACETATE
Ethyl 2-Oxocyclopentaneacetate
ETHYL 2-(2-OXOCYCLOPENTYL)ACETATE
Ethyl 2-oxocyclopentylacetate,95%
Methyl 2-(2-oxocyclopentyl)acetate
2-(carbethoxymethyl)cyclopentanone
2-(ETHOXYCARBONYLMETHYL)CYCLOPENTANONE
2-OXOCYCLOPENTANEACETIC ACID ETHYL ESTER
(2-OXO-CYCLOPENTYL)-ACETIC ACID ETHYL ESTER
[Molecular Formula]

C9H14O3
[MDL Number]

MFCD00044715
[MOL File]

20826-94-2.mol
[Molecular Weight]

170.21
Chemical PropertiesBack Directory
[Appearance]

Clear colorless to yellowish liquid
[Boiling point ]

62℃/0.2Torr
[density ]

1.0968 (rough estimate)
[refractive index ]

1.4507-1.4527
[storage temp. ]

Refrigerator (+4°C)
[form ]

Liquid
[color ]

Clear colorless to yellow
[Water Solubility ]

Slightly soluble in water.
[InChI]

InChI=1S/C9H14O3/c1-2-12-9(11)6-7-4-3-5-8(7)10/h7H,2-6H2,1H3
[InChIKey]

PJMKFKUFBDXYEC-UHFFFAOYSA-N
[SMILES]

C1(CC(OCC)=O)CCCC1=O
[CAS DataBase Reference]

20826-94-2
Hazard InformationBack Directory
[Chemical Properties]

Clear colorless to yellowish liquid
[Uses]

Ethyl 2-oxocyclopentylacetate is used as an organic chemical synthesis intermediate.
[Synthesis Reference(s)]

Journal of the American Chemical Society, 99, p. 5222, 1977 DOI: 10.1021/ja00457a075
Tetrahedron, 52, p. 9713, 1996 DOI: 10.1016/0040-4020(96)00511-X
Safety DataBack Directory
[Safety Statements ]

24/25
[HS Code ]

29183000
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Tetrahydrofuran-->Nitrogen-->Ethyl bromoacetate-->Cyclopentanone-->Lithium diisopropylamide-->Hexamethylphosphoramide-->2-Heptenoic acid, 7-hydroxy-, ethyl ester, (2E)--->Ethyl 2-(2-oxocyclopentylidene)acetate-->2-Heptenoic acid, 7-oxo-, ethyl ester, (2E)--->1-Pyrrolidino-1-cyclopentene-->Ethyl 1-(2-ethoxy-2-oxoethyl)-2-oxocyclopentanecarboxylate-->ethyl hex-2-enoate-->carbon monoxide-->Ethanol
[Preparation Products]

(R)-5-(2-((Tert-Butyldimethylsilyl)Oxy)Ethyl)-4-Chloro-6,7-Dihydro-5H-Cyclopenta[4,5]Thieno[2,3-D]Pyrimidine-->2,5,6,7-tetrahydro-3H-cyclopenta[c]pyridazin-3-one(SALTDATA: FREE)-->ethyl 4-hydroxy-6,7-dihydro-5H-cyclopenta[4,5]thieno[2,3-d]pyrimidine-5-carboxylate
Spectrum DetailBack Directory
[Spectrum Detail]

Ethyl 2-oxocyclopentylacetate(20826-94-2)1HNMR
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