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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>7</sub>NO<sub>2</sub>

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Extracted from

Scheme 4

Chemical Information

Calculated using the Chemistry Development Kit 2.12

Property Name	Property Value
Molecular Formula	C₁₀H₇NO₂
Molecular Weight	173.17 g/mol
Exact Mass	173.0477 Da
InChI	InChI=1S/C10H7NO2/c12-9-6-7-10(13)11(9)8-4-2-1-3-5-8/h1-7H
InChIKey	HIDBROSJWZYGSZ-UHFFFAOYSA-N
SMILES	C1=CC=C(C=C1)N2C(=O)C=CC2=O
Number of Atoms	20
Number of H-Bond Acceptors	3
Number of H-Bond Donors	0
Atoms in the Largest π-System	13
XLogP	0.4

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