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Preparation of spirocyclic oxindoles by cyclisation of an oxime to a nitrone and dipolar cycloaddition

Beth L. Ritchie, Alexandra Longcake and Iain Coldham

Beilstein J. Org. Chem. 2025, 21, 1890–1896. https://doi.org/10.3762/bjoc.21.146

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Chemical structure C<sub>10</sub>H<sub>9</sub>NO<sub>2</sub>

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Extracted from

Scheme 2

Chemical Information

Calculated using the Chemistry Development Kit 2.12

Property Name	Property Value
Molecular Formula	C₁₀H₉NO₂
Molecular Weight	175.18 g/mol
Exact Mass	175.0633 Da
InChI	InChI=1S/C10H9NO2/c1-11-8-5-3-2-4-7(8)10(6-13-10)9(11)12/h2-5H,6H2,1H3
InChIKey	VKNLXOSFNKHEST-UHFFFAOYSA-N
SMILES	CN1C2=C(C=CC=C2)C3(CO3)C1=O
Number of Atoms	22
Number of H-Bond Acceptors	3
Number of H-Bond Donors	0
Atoms in the Largest π-System	9
XLogP	-0.4

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