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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1612165Generated: October 27, 2026

Thiochroman-4-one → 3,4-dihydro-2H-thiochromen-4-amine

https://huagongshe.com/reaction/1612165

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThiochroman-4-oneHCID 19048—
Reactant4,5,6,7-Tetrahydro-1-benzofuran-4-amineHCID 18525171—
Product3,4-dihydro-2H-thiochromen-4-amineHCID 85921—

Reaction Steps

Following the procedure for the preparation of 4,5,6,7-tetrahydro-1-benzofuran-4-amine but substituting 2,3-dihydro-4H-thiochromen-4-one and making non-critical variations provided the title compound as a oil: 1H NMR (300 MHz, CDCl3) δ 7.30, 7.07, 4.07, 3.28, 2.96, 2.16, 1.61; (MS/CI) calcd for C9H11NS+H 166.3, found 166.3.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06992087B2
Source datasetuspto-grants-2006_01
ORD IDord-60d73d4c3400429db0dab59504d83f1e
Source noteuspto-grants-2006_01