Sodium Azide → (+/-)-1-[7-(4-Fluorophenyl)-2,3-dihydro-1-benzofuran-2-yl]methanamine

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Reaction Steps

Treatment of (±)-[7-(4-fluorophenyl)-2,3-dihydro-1-benzofuran-2-yl]methyl 4-methylbenzenesulfonate (1.1 g, 3.01 mmol) with sodium azide (0.784 g, 12.04 mmol) generally according to the procedure described for Intermediate 98 afforded (±)-2-(azidomethyl)-7-(4-fluorophenyl)-2,3-dihydro-1-benzofuran. Treatment of the azide with palladium on carbon (0.074 g, 10 wt. %) generally according to the procedure described for Example 1 provided 0.542 g (64%) of (±)-1-[7-(4-fluorophenyl)-2,3-dihydro-1-benzofuran-2-yl]methanamine as a white solid, hydrochloride salt. mp 237-240° C.; Anal. calcd. for C15H14FNOHCl: C, 64.4; H, 5.4; N, 5.01. Found: C, 64.26; H, 5.33; N, 4.85.

Provenance & Evidence