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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2116147Generated: October 27, 2026

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

https://huagongshe.com/reaction/2116147

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium AzideHCID 33557—
ReactantAzideHCID 33558—
Reactant(+/-)-[7-(4-Chlorophenyl)-2,3-dihydro-1-benzofuran-2-yl]methyl 4-methylbenzenesulfonateHCID 86599102—
Reactant(+/-)-2-(Azidomethyl)-7-(4-fluorophenyl)-2,3-dihydro-1-benzofuranHCID 86599212—
CatalystPlatinumHCID 23939—
Product(+/-)-1-[7-(4-Chlorophenyl)-2,3-dihydro-1-benzofuran-2-yl]methanamineHCID 1157246078.9%

Reaction Steps

Treatment of (±)-[7-(4-chlorophenyl)-2,3-dihydro-1-benzofuran-2-yl]methyl 4-methylbenzenesulfonate (1.2 g, 2.89 mmol) with sodium azide (0.752 g, 11.57 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 sulfided platinum on carbon (0.082 g, 5 wt. %) generally according to the procedure described for Example 1 provided 0.592 g (69%) of (±)-1-[7-(4-chlorophenyl)-2,3-dihydro-1-benzofuran-2-yl]methanamine as a white solid, hydrochloride salt. mp 212-214° C.; Anal. calcd. for C15H14ClNOHCl: C, 60.83; H, 65.10; N, 4.73. Found: C, 59.99; H, 5.00; N, 4.47.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07435837B2
Source datasetuspto-grants-2008_10
ORD IDord-0ea84e5599c648dd8061995174f2b7be
Source noteuspto-grants-2008_10