Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1824116Generated: October 25, 2026

4,5,6,7-Tetrahydro-1-benzofuran-4-amine → 5-Ethyl-4,5,6,7-tetrahydro-1-benzothiophen-4-amine

https://huagongshe.com/reaction/1824116

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4,5,6,7-Tetrahydro-1-benzofuran-4-amineHCID 18525171—
Reactant5-ethyl-6,7-dihydro-1-benzothiophen-4(5H)-oneHCID 22147284—
Product5-Ethyl-4,5,6,7-tetrahydro-1-benzothiophen-4-amineHCID 23593713—

Reaction Steps

Following the procedure for the preparation of 4,5,6,7-tetrahydro-1-benzofuran-4-amine but substituting 5-ethyl-6,7-dihydro-1-benzothiophen-4(5H)-one and making non-critical variations provided the title compound as a oil: 1H NMR (400 MHz, CDCl3) δ) 7.10, 7.05, 6.99, 3.98, 3.65, 2.87–2.73, 2.06–1.90, 1.74–1.19, 1.05–0.97. (MS/CI) calcd for C10H15NS+H 182.3, found 181.9.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07041672B2
Source datasetuspto-grants-2006_05
ORD IDord-8e8777957b2846399c0c56e328406132
Source noteuspto-grants-2006_05