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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1612161Generated: October 25, 2026

Iodoethane → 5-ethyl-6,7-dihydro-1-benzofuran-4(5H)-one

https://huagongshe.com/reaction/1612161

Reaction equation

Participants

RoleNameHCIDCharge
ReactantIodoethaneHCID 6340—
Reactant4,5,6,7-Tetrahydro-1-benzofuran-4-oneHCID 2733541—
Reactant5-methyl-6,7-dihydro-1-benzothiophen-4(5H)-oneHCID 15411508—
Product5-ethyl-6,7-dihydro-1-benzofuran-4(5H)-oneHCID 22147457—

Reaction Steps

Following the procedure for the preparation of 5-methyl-6,7-dihydro-1-benzothiophen-4(5H)-one but substituting 6,7-dihydro-1-benzofuran-4(5H)-one and ethyl iodide and making non-critical variations provided the title compound as a oil: 1H NMR (CDCl3) δ 1.00, 1.54, 1.95, 2.29, 2.91, 6.67, 7.3; MS (EI) m/z (rel. intensity) 164 (M+, 36), 164 (36), 136 (90), 135 (24), 108 (76), 88 (13), 86 (69), 84 (99), 80 (58), 52 (21), 51 (57). HRMS (FAB) calcd for C10H12O2+H 165.0916, found 165.0919. Anal. Calcd for C10H12O2: C, 73.15; H, 7.37. Found: C, 72.81; H, 7.60.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06992087B2
Source datasetuspto-grants-2006_01
ORD IDord-0d68b60a105a4e8bb10cb2f003a779aa
Source noteuspto-grants-2006_01