Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1612198Generated: October 26, 2026

3,6-diethyl-N-(5-methyl-4,5,6,7-tetrahydro-1-benzothien-4-yl)pyrazin-2-amine → 5-bromo-3,6-diethyl-N-(5-methyl-4,5,6,7-tetrahydro-1-benzothien-4-yl)pyrazin-2-amine

https://huagongshe.com/reaction/1612198

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3,6-diethyl-N-(5-methyl-4,5,6,7-tetrahydro-1-benzothien-4-yl)pyrazin-2-amineHCID 22147257—
Reactant(1R,2S)-1-[(5-bromo-3,6-diethylpyrazin-2-yl)amino]-2,3-dihydro-1H-inden-2-olHCID 58583245—
Product5-bromo-3,6-diethyl-N-(5-methyl-4,5,6,7-tetrahydro-1-benzothien-4-yl)pyrazin-2-amineHCID 22147485—

Reaction Steps

Following the procedure for the preparation of (1R,2S)-1-[(5-bromo-3,6-diethylpyrazin-2-yl)amino]-2,3-dihydro-1H-inden-2-ol but substituting 3,6-diethyl-N-(5-methyl-4,5,6,7-tetrahydro-1-benzothien-4-yl)pyrazin-2-amine and making non-critical variations provided the title compound as a oil: 1H NMR (400 MHz, CDCl3) δ) 7.08, 6.87, 6.80, 5.55, 5.08, 4.45, 4.40, 2.91-2.78, 2.58, 2.22, 2.05-1.98, 1.79, 1.28, 1.10, 1.00.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06992087B2
Source datasetuspto-grants-2006_01
ORD IDord-e29f75db403b49c89e8d98b03633d043
Source noteuspto-grants-2006_01