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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1612133Generated: October 25, 2026

2-Fluoroethyl bromide → 5-(2,4-dimethoxyphenyl)-3,6-diethyl-N-[(1R,2S)-2-(2-fluoroethoxy)-2,3-dihydro-1H-inden-1-yl]pyrazin-2-amine

https://huagongshe.com/reaction/1612133

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Fluoroethyl bromideHCID 12982—
Reactant5-(2,4-dichlorophenyl)-N-[(1R,2S)-2-ethoxy-2,3-dihydro-1H-inden-1-yl]-3,6-diethylpyrazin-2-amineHCID 10217073—
Reactant(1R,2S)-1-{[5-(2,4-dimethoxyphenyl)-3,6-diethylpyrazin-2-yl]amino}-2,3-dihydro-1H-inden-2-olHCID 58583448—
Product5-(2,4-dimethoxyphenyl)-3,6-diethyl-N-[(1R,2S)-2-(2-fluoroethoxy)-2,3-dihydro-1H-inden-1-yl]pyrazin-2-amineHCID 10217224—

Reaction Steps

Following the procedure for the preparation of 5-(2,4-dichlorophenyl)-N-[(1R,2S)-2-ethoxy-2,3-dihydro-1H-inden-1-yl]-3,6-diethylpyrazin-2-amine but substituting (1R,2S)-1-{[5-(2,4-dimethoxyphenyl)-3,6-diethylpyrazin-2-yl]amino}-2,3-dihydro-1H-inden-2-ol and 1-bromo-2-fluoroethane and making non-critical variations provided the title compound as a white solid. IR (diffuse reflectance) 2964, 2935, 1614, 1567, 1480, 1392, 1305, 1256, 1215, 1209, 1165, 1158, 1040, 825, 747 cm−1; OAMS supporting ions at: ESI+ 466.2; MS (EI) m/z 465 (M+); Anal. Calcd for C27H32FN3O3: C, 69.66; H, 6.93; N, 9.03. Found: C, 69.61; H, 7.02; N, 8.98.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06992087B2
Source datasetuspto-grants-2006_01
ORD IDord-7a66756f58a340d1b4c8cb59f6a70e1e
Source noteuspto-grants-2006_01