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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1612259Generated: October 25, 2026

N-(3,6-diethylpyrazin-2-yl)-6-ethyl-6,7-dihydro-5H-cyclopenta[b]pyridin-7-amine → N-(5-bromo-3,6-diethylpyrazin-2-yl)-6-ethyl-6,7-dihydro-5H-cyclopenta[b]pyridin-7-amine

https://huagongshe.com/reaction/1612259

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN-(3,6-diethylpyrazin-2-yl)-6-ethyl-6,7-dihydro-5H-cyclopenta[b]pyridin-7-amineHCID 22147247—
Reactant(1R,2S)-1-[(5-bromo-3,6-diethylpyrazin-2-yl)amino]-2,3-dihydro-1H-inden-2-olHCID 58583245—
ProductN-(5-bromo-3,6-diethylpyrazin-2-yl)-6-ethyl-6,7-dihydro-5H-cyclopenta[b]pyridin-7-amineHCID 22147301—

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 N-(3,6-diethylpyrazin-2-yl)-6-ethyl-6,7-dihydro-5H-cyclopenta[b]pyridin-7-amine and making non-critical variations provided the title compound as a oil: 1H NMR (400 MHz, CDCl3) δ) 8.37, 7.78, 7.31, 5.42-5.25, 3.28, 2.75-2.48, 1.96, 1.62, 1.34, 1.05; HRMS (FAB) calcd for C18H23BrN4+H 375.1185, found 375.1193.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06992087B2
Source datasetuspto-grants-2006_01
ORD IDord-c88bec04e7c145fead29afe798634af2
Source noteuspto-grants-2006_01