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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2116077Generated: October 26, 2026

4-Bromo-o-xylene → (+/-)-{7-[(3,4-Dimethylphenyl)amino]-2,3-dihydro-1-benzofuran-2-yl}methyl 4-methylbenzenesulfonate

https://huagongshe.com/reaction/2116077

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Bromo-o-xyleneHCID 68504—
Reactant(+/-)-(7-Amino-2,3-dihydro-1-benzofuran-2-yl)methyl 4-methylbenzenesulfonateHCID 86599159—
Product(+/-)-{7-[(3,4-Dimethylphenyl)amino]-2,3-dihydro-1-benzofuran-2-yl}methyl 4-methylbenzenesulfonateHCID 8659916040.1%

Reaction Steps

Treatment of (±)-(7-amino-2,3-dihydro-1-benzofuran-2-yl)methyl 4-methylbenzenesulfonate (0.96 g, 3.0 mmol) with 4-bromo-1,2-dimethylbenzene (0.558 g, 3.0 mmol), generally according to the procedure described for Intermediate 202 provided 0.51 g (38%) (±)-{7-[(3,4-dimethylphenyl)amino]-2,3-dihydro-1-benzofuran-2-yl}methyl 4-methylbenzenesulfonate as a yellow solid. mp 88-90° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07435837B2
Source datasetuspto-grants-2008_10
ORD IDord-591c430b13574c5b917fa813d5b30c21
Source noteuspto-grants-2008_10