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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2116047Generated: October 31, 2026

Benzyl chloroformate → (+/-)-Benzyl {[7-(2,6-difluorophenyl)-2,3-dihydro-1-benzofuran-2-yl]methyl}carbamate

https://huagongshe.com/reaction/2116047

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzyl chloroformateHCID 10387—
ReactantDiisopropylethylamineHCID 81531—
Reactant(+/-)-1-[7-(2,6-Difluorophenyl)-2,3-dihydro-1-benzofuran-2-yl]methanamineHCID 11961030—
Product(+/-)-Benzyl {[7-(2,6-difluorophenyl)-2,3-dihydro-1-benzofuran-2-yl]methyl}carbamateHCID 8659913898.8%

Reaction Steps

Treatment of (±)-1-[7-(2,6-difluorophenyl)-2,3-dihydro-1-benzofuran-2-yl]methanamine (1.54 g, 5.17 mmol) with diisopropylethylamine (1.02 g, 7.76 mmol) and benzyl chloroformate (0.971 g, 5.69 mmol) generally according to the procedure described for Intermediate 12 gave 2.02 g (98%) of (±)-benzyl {[7-(2,6-difluorophenyl)-2,3-dihydro-1-benzofuran-2-yl]methyl}carbamate as a colorless oil. Anal. calcd. for C23H19F2NO3: C, 69.87; H, 4.84; N, 3.54. Found C, 69.54; H, 4.87; N, 3.31.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07435837B2
Source datasetuspto-grants-2008_10
ORD IDord-82526f8a37da4a699968e757f03f89bb
Source noteuspto-grants-2008_10