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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1824089Generated: October 25, 2026

3,6-diethyl-N-(7-methoxy-1,2,3,4-tetrahydronaphthalen-1-yl)pyrazin-2-amine → 5-bromo-3,6-diethyl-N-(7-methoxy-1,2,3,4-tetrahydronaphthalen-1-yl)pyrazin-2-amine

https://huagongshe.com/reaction/1824089

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3,6-diethyl-N-(7-methoxy-1,2,3,4-tetrahydronaphthalen-1-yl)pyrazin-2-amineHCID 22147465—
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-(7-methoxy-1,2,3,4-tetrahydronaphthalen-1-yl)pyrazin-2-amineHCID 22147402—

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-(7-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 (400 MHz, CDCl3) δ 7.08, 6.88, 6.81, 5.36, 4.52, 3.76, 2.79, 2.56, 2.08, 1.91, 1.31; (FAB) calcd for C19H24BrN3O+H 390.0, found 390.0.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07041672B2
Source datasetuspto-grants-2006_05
ORD IDord-19400d2b9292432785c1877a7b218cc9
Source noteuspto-grants-2006_05