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Strategies to access the [5-8] bicyclic core encountered in the sesquiterpene, diterpene and sesterterpene series

Cécile Alleman, Charlène Gadais, Laurent Legentil and François-Hugues Porée

Beilstein J. Org. Chem. 2023, 19, 245–281. https://doi.org/10.3762/bjoc.19.23

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Chemical structure C<sub>5</sub>H<sub>4</sub>O<sub>2</sub>

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Extracted from

Scheme 44

Chemical Information

Calculated using the Chemistry Development Kit 2.12

Property Name	Property Value
Molecular Formula	C₅H₄O₂
Molecular Weight	96.08 g/mol
Exact Mass	96.0211 Da
InChI	InChI=1S/C5H4O2/c6-5-2-1-3-7-4-5/h1-4H
InChIKey	FXIHIIVCQJFZMK-UHFFFAOYSA-N
SMILES	C1=C[O+]=CC(=C1)[O-]
Number of Atoms	11
Number of H-Bond Acceptors	1
Number of H-Bond Donors	0
Atoms in the Largest π-System	7
XLogP	0.6

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