C112909
2-Cyclopenten-1-one
98%
Synonym(s):
1-Cyclopenten-5-one, 1-Cyclopenten-3-one, 2-Cyclopentenone, Cyclopent-2-en-1-one, Cyclopenten-3-one
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About This Item
Empirical Formula (Hill Notation):
C5H6O
CAS Number:
Molecular Weight:
82.10
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
213-213-0
Beilstein/REAXYS Number:
1446054
MDL number:
Assay:
98%
Form:
liquid
Quality Level
assay
98%
form
liquid
refractive index
n20/D 1.481 (lit.)
bp
64-65 °C/19 mmHg (lit.)
density
0.98 g/mL at 25 °C (lit.)
storage temp.
2-8°C
SMILES string
O=C1CCC=C1
InChI
1S/C5H6O/c6-5-3-1-2-4-5/h1,3H,2,4H2
InChI key
BZKFMUIJRXWWQK-UHFFFAOYSA-N
Related Categories
Application
Versatile electrophile employed in a variety of addition reactions including conjugate addition of organocopper nucleophiles, Michael reaction with silyl enol ethers, and siloxanes, Diels-Alder cycloadditions, and phosphoniosilylations.
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Tetrahedron Letters, 34, 6777-6777 (1993)
Marc Revés et al.
Organic letters, 14(13), 3534-3537 (2012-06-28)
1,2,3,4-Tetramethyl-bicyclo[2.2.1]hepta-2,5-diene (TMNBD, for tetramethylnorbornadiene) has been prepared and used successfully as an acetylene equivalent in the synthesis of substituted cyclopentenones. TMNBD is easily accessible on a multigram scale and displays excellent reactivity toward the intermolecular Pauson-Khand reaction. Conjugate additions on
Filippo De Simone et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 17(51), 14527-14538 (2011-11-25)
The Nazarov cyclization of divinyl ketones gives access to cyclopentenones. Replacing one of the vinyl groups by a cyclopropane leads to a formal homo-Nazarov process for the synthesis of cyclohexenones. In contrast to the Nazarov reaction, the cyclization of vinyl-cyclopropyl
Yoshihiro Sumiyoshi et al.
The Journal of chemical physics, 125(12), 124307-124307 (2006-10-04)
Pure rotational transitions in the ground state for Ar-OH and Ar-OD [Y. Ohshima et al., J. Chem. Phys. 95, 7001 (1991) and Y. Endo et al., Faraday Discuss. 97, 341 (1994)], those in the excited states of the OH vibration
Xiaoxun Li et al.
Organic letters, 14(6), 1584-1587 (2012-03-03)
Functionalized cyclopentenones were synthesized by a Rh-catalyzed carbonylation of 3-acyloxy-1,4-enynes, derived from alkynes and α,β-unsaturated aldehydes. The reaction involved a Saucy-Marbet 1,3-acyloxy migration of propargyl esters and a [4 + 1] cycloaddition of the resulting acyloxy substituted vinylallene with CO.
Global Trade Item Number
| SKU | GTIN |
|---|---|
| C112909-5G | 04061833461211 |
| C112909-100G | 04061837380068 |
| C112909-25G | 04061833461204 |
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