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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1824044Generated: October 31, 2026

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

https://huagongshe.com/reaction/1824044

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-{[3,6-diethyl-5-(4-methoxy-2-methylphenyl)pyrazin-2-yl]amino}-2,3-dihydro-1H-inden-2-olHCID 58583393—
Product3,6-diethyl-N-[(1R,2S)-2-(2-fluoroethoxy)-2,3-dihydro-1H-inden-1-yl)-5-(4-methoxy-2-methylphenyl)pyrazin-2-amineHCID 10216981—

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-{[3,6-diethyl-5-(4-methoxy-2-methylphenyl)pyrazin-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 pale yellow semi-solid. IR (liq.) 2969, 2935, 1609, 1563, 1482, 1391, 1294, 1243, 1206, 1182, 1172, 1159, 1124, 1110, 1047 cm−1; OAMS supporting ions at: ESI+ 450.0; MS (CI) m/z 450 (MH+); HRMS (FAB) calcd for C27H32FN3O2+H1 450.2556, found 450.2544. Anal. Calcd for C27H32FN3O2: C, 72.14; H, 7.17; N, 9.35. Found: C, 72.24; H, 7.20; N, 9.33.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07041672B2
Source datasetuspto-grants-2006_05
ORD IDord-d9cba7747744415ca1511010aec02473
Source noteuspto-grants-2006_05