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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1612158Generated: October 26, 2026

3,6-diethyl-N-(4,5,6,7-tetrahydro-1-benzofuran-4-yl)pyrazin-2-amine → 5-(2,4-dichlorophenyl)-3,6-diethyl-N-(4,5,6,7-tetrahydro-1-benzofuran-4-yl)pyrazin-2-amine

https://huagongshe.com/reaction/1612158

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3,6-diethyl-N-(4,5,6,7-tetrahydro-1-benzofuran-4-yl)pyrazin-2-amineHCID 22147254—
Reactant(1R,2S)-1-{[5-(2,4-dichlorophenyl)-3,6-diethylpyrazin-2-yl]amino}-2,3-dihydro-1H-inden-2-olHCID 58583246—
Product5-(2,4-dichlorophenyl)-3,6-diethyl-N-(4,5,6,7-tetrahydro-1-benzofuran-4-yl)pyrazin-2-amineHCID 10194545—

Reaction Steps

Following the procedure for the preparation of (1R,2S)-1-{[5-(2,4-dichlorophenyl)-3,6-diethylpyrazin-2-yl]amino}-2,3-dihydro-1H-inden-2-ol but substituting 3,6-diethyl-N-(4,5,6,7-tetrahydro-1-benzofuran-4-yl)pyrazin-2-amine and making non-critical variations provided the title compound as a oil: 1H NMR (400 MHz, CDCl3) δ 7.50, 7.34, 5.30, 4.53, 2.68, 2.62, 2.51, 2.09, 1.94 1.26, 1.20; HRMS (EI) calcd for C22H23Cl2N3O 415.1218, found 415.1217.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06992087B2
Source datasetuspto-grants-2006_01
ORD IDord-777573bfca3b455ea3f41352e8df7041
Source noteuspto-grants-2006_01