3-Furanol, tetrahydro- → 5-Fluoro-3-iodo-1-(tetrahydro-3-furanyl)-1H-indazole

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Reaction Steps

The title compound was prepared from 5-fluoro-3-iodo-indazole and 3-hydroxytetrahydrofuran in 56% yield according to the general procedure for Preparation 31A. The minor isomer was not isolated or characterized. 1H NMR (400 MHz, CDCl3): δ 2.47-2.52 (2H, m), 3.95-4.00 (1H, m), 4.12-4.19 (2H, m), 4.19-4.28 (1H, m), 5.24-5.30 (1H, m), 7.12 (1H, dd, J=2.0, 8.4 Hz), 7.21 (1H, td, J=1.6, 8.8 Hz), 7.45 (1H, dd, J=4.0, 9.2 Hz).

Provenance & Evidence