Tetrabutylammonium Fluoride → H-Pyrrolo[2,3-b]pyridine, 5-bromo-3-(3-furanyl)-

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Reaction Steps

To a stirred solution of azaindole 13 (20.9 mg, 0.06 mmol) in THF (3 mL) was added a 1M solution of TBAF in THF (0.12 mL, 0.12 mmol). After 1.5 h the mixture was concentrated and purified by PTLC with AcOEt as eluent to give azaindole 14 (9.6 mg, 58%) as a white solid. 1H NMR (400 MHz; CDCl3) δ 6.67 (m, 1H), 7.44 (d, J=2.4 Hz, 1H), 7.53 (m, 1H), 7.76 (m, 1H), 8.18 (d, J=2.1 Hz, 1H), 8.39 (m, 1H), 9.33 (brs, NH).

Provenance & Evidence