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About This Item
Linear Formula:
C5H8(=CH2)
CAS Number:
Molecular Weight:
82.14
Beilstein:
1847501
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
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Assay
97%
refractive index
n20/D 1.435 (lit.)
bp
75-76 °C (lit.)
density
0.781 g/mL at 25 °C (lit.)
storage temp.
2-8°C
SMILES string
C=C1CCCC1
InChI
1S/C6H10/c1-6-4-2-3-5-6/h1-5H2
InChI key
NFJPEKRRHIYYES-UHFFFAOYSA-N
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General description
Hydration rate of methylenecyclopentane has been measured spectrophotometrically in aqueous perchloric acid. Trost′s palladium-mediated methylenecyclopentane annelation to the nitroalkene yields methylenecyclopentane derivative.
Application
Methylenecyclopentane has been used in total synthesis of (±)-cephalotaxin.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Asp. Tox. 1 - Flam. Liq. 2
Storage Class Code
3 - Flammable liquids
WGK
WGK 3
Flash Point(F)
-0.4 °F - closed cup
Flash Point(C)
-18 °C - closed cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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The total synthesis of cephalotaxine.
J Auerbach et al.
Journal of the American Chemical Society, 94(20), 7172-7173 (1972-10-04)
COMPARISON OF THE TRANSITION-STATE ENERGIES OF ACID-CATALYZED HYDRATIONS OF SOME 1-METHYLCYCLOALKENES AND METHYLENECYCLOALKANES.
Lajunen M and Himottu M.
Acta Chemica Scandinavica, 41(5), 252-258 (1987)
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