(Pyridin-4-yl)boronic acid → 3-(pyridin-4-yl)-1H-indazole-6-carbaldehyde

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Reaction Steps

According to the procedure for the synthesis of 3-(pyridin-3-yl)-1H-indazole-6-carbaldehyde, except substituting pyridin-4-ylboronic acid (27 mg, 0.22 mmol), the title compound was obtained as a beige solid (3.7 mg, 9%). 1H NMR (400 MHz, CD3OD) δ ppm 10.15 (s, 1H), 8.69 (d, J=6.3 Hz, 2H), 8.32 (d, J=8.8 Hz, 1H), 8.22 (s, 1H), 8.10 (d, J=6.3 Hz, 2H), 7.84 (d, J=6.3 Hz, 1H); MS ESI 224.0 (100) [M+H]+, calcd for [C13H9N3O+H]+ 224.07.

Provenance & Evidence