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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1612141Generated: November 2, 2026

5-bromo-N-(2,3-dihydro-1H-inden-1-yl)-3,6-dimethylpyrazin-2-amine → 5-(2,4-dichlorophenyl)-N-(2,3-dihydro-1H-inden-1-yl)-3,6-dimethylpyrazin-2-amine

https://huagongshe.com/reaction/1612141

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-bromo-N-(2,3-dihydro-1H-inden-1-yl)-3,6-dimethylpyrazin-2-amineHCID 22147421—
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)-N-(2,3-dihydro-1H-inden-1-yl)-3,6-dimethylpyrazin-2-amineHCID 22147420—

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 5-bromo-N-(2,3-dihydro-1H-inden-1-yl)-3,6-dimethylpyrazin-2-amine and making non-critical variations provided the title compound as a oil: 1H NMR (CDCl3) δ 1.94, 2.29, 2.39, 2.80, 2.96, 3.08, 4.64, 5.83, 7.33, 7.51; MS (ESI+) for C21H19Cl2N3 m/z 385.30 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06992087B2
Source datasetuspto-grants-2006_01
ORD IDord-49e1e9091023427a851f605c22637530
Source noteuspto-grants-2006_01