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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1824143Generated: October 26, 2026

3,6-diethyl-N-(8-methoxy-1,2,3,4-tetrahydronaphthalen-1-yl)pyrazin-2-amine → 5-bromo-3,6-diethyl-N-(8-methoxy-1,2,3,4-tetrahydronaphthalen-1-yl)pyrazin-2-amine

https://huagongshe.com/reaction/1824143

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3,6-diethyl-N-(8-methoxy-1,2,3,4-tetrahydronaphthalen-1-yl)pyrazin-2-amineHCID 22147316—
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-(8-methoxy-1,2,3,4-tetrahydronaphthalen-1-yl)pyrazin-2-amineHCID 22147509—

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-(8-methoxy-1,2,3,4-tetrahydronaphthalen-1-yl)pyrazin-2-amine and making non-critical variations provided the title compound as a oil: 1H NMR (300 MHz, CDCl3) δ) 7.23, 6.78, 5.32, 4.31, 3.71, 2.89–2.77, 2.50–2.35, 1.81–1.65, 1.32, 1.18; HRMS (FAB) calcd for C19H24BrN3O+H 390.1181, found 390.1172.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07041672B2
Source datasetuspto-grants-2006_05
ORD IDord-9cb5056d86aa42ee9f91086b62fdf67f
Source noteuspto-grants-2006_05