Hydrochloric Acid → HCID 22480144, compound

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Reaction Steps

The title compound was prepared from 3-(2-furyl)-1-perhydro-2H-pyran-2-yl-1H-indazole-5-carbonitrile (0.095 g, 0.307 mmol), azidotributyl tin (0.245 g, 0.202 mL, 0.74 mmol) in toluene (8 mL) as described for the preparation of compound 167. Deprotection was effected by treating a dioxane solution (5 mL) with 8 mL of 4.0N solution of hydrogen chloride in 1,4-dioxane. The compound was purified by preparative HPLC (10-100% acetonitrile in H2O, 20 min) (0.008 g, 0.032 mmol, 4.7% yield over 2 steps): 1H NMR (DMSO-d6) δ 13.6 (br s, 1H), 8.8 (s, 1H), 8.1 (d, 1H), 7.9 (d, 1H), 7.8 (d, 1H), 7.1 (d, 1H), 6.7 (dd, 1H); ES-MS (m/z) 253 [M+1]+.

Provenance & Evidence