Ammonia → 5-[6-(1-azabicyclo[2.2.2]oct-3-yloxy)pyridazin-3-yl]-1H-indole

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Reaction Steps

The product of Example 7A (200 mg, 0.8 mmol) was coupled with 5-indolylboronic acid (161 mg, 1 mmol) according to the procedure of Example 3A. The title product was purified by preparative HPLC (Gilson, column, Symmetry® C-8 7 μm, 40×100 mm. Eluting Solvent, MeCN/H2O (with 0.2% v. TFA) (v. 90/10 to 10/90 over 20 min.) Flow rate, 75 mL/min., uv, 250 nm) as solid (35 mg, yield, 14%). 1H NMR (300 MHz, CD3OD) 61.50-1.65 (m, 1H), 1.70-1.93 (m, 2H), 2.00-2.16 (m, 1H), 2.29-2.37 (m, 1H), 2.78-3.05 (m, 5H), 3.44-3.55 (m, 1H), 5.26-5.35 (m, 1H), 6.56(dd, J=3.3, 1.1 Hz, 1H)), 7.25 (d, J=9.2 Hz, 1H), 7.31 (d, J=3.4 Hz, 1H), 7.51 (d, J=8.8 Hz, 1H), 7.73 (dd, J=8.5, 1.7 Hz, 1H), 8.08 (d, J=9.5 Hz, 1H), 8.14 (d, J=1.7 Hz, 1H) ppm. MS (DCI/NH3): m/z 321 (M+H)+.

Provenance & Evidence