tert-Butyldimethylsilyl chloride → HCID 90216531, compound

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Reaction Steps

The title compound was prepared in 31% yield from 5-fluoro-3-iodo-indazole and 1-bromo-2-propanol according to the general procedure for Preparation 11A, followed by alcohol protection using TBDMS chloride (1.1 eq) and DMAP (1.1 eq) in DCM. The minor isomer was not isolated or characterized. 1H NMR (400 MHz, CDCl3): δ 0.06 (6H, s), 0.89 (9H, s), 2.07-2.13 (2H, m), 3.55 (2H, t, J=6.0 Hz), 4.49 (2H, t, J=6.0 Hz), 7.10 (1H, dd, J=2.4, 8.4 Hz), 7.18 (1H, td, J=2.4, 8.8 Hz), 7.40 (1H, dd, J=4.0, 8.8 Hz).

Provenance & Evidence