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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2116148Generated: October 27, 2026

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

https://huagongshe.com/reaction/2116148

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium AzideHCID 33557—
ReactantAzideHCID 33558—
Reactant(+/-)-2-(Azidomethyl)-7-(4-methoxyphenyl)-2,3-dihydro-1-benzofuranHCID 86236210—
Reactant(+/-)-[7-(4-Methoxyphenyl)-2,3-dihydro-1-benzofuran-2-yl]methyl 4-methylbenzenesulfonateHCID 86599099—
CatalystPalladiumHCID 23938—
Product1-[7-(4-Methoxyphenyl)-2,3-dihydro-1-benzofuran-2-yl]methanamineHCID 1196086658%

Reaction Steps

Treatment of (±)-[7-(4-methoxyphenyl)-2,3-dihydro-1-benzofuran-2-yl]methyl 4-methylbenzenesulfonate (2.1 g, 5.11 mmol) with sodium azide (1.33 g, 20.96 mmol) generally according to the procedure described for Intermediate 98 afforded (±)-2-(azidomethyl)-7-(4-methoxyphenyl)-2,3-dihydro-1-benzofuran. Treatment of the azide with palladium on carbon (0.125 g, 10 wt. %) generally according to the procedure described for Example 1 provided 0.860 g (58%) of (±)-1-[7-(4-methoxyphenyl)-2,3-dihydro-1-benzofuran-2-yl]methanamine as a white solid, hydrochloride salt. mp 176-178° C.; Anal. calcd. for C16H17NO2HCl: C, 65.86; H, 6.22; N, 4.80. Found: C, 65.02; H, 6.13; N, 4.57.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07435837B2
Source datasetuspto-grants-2008_10
ORD IDord-9a5e1c4ab2b24d698dfe0a7d37e0cc93
Source noteuspto-grants-2008_10