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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1612308Generated: November 1, 2026

(1R,2S)-1-[(5-bromo-3,6-diethylpyrazin-2-yl)amino]-2,3-dihydro-1H-inden-2-ol → cis-(+/-)-4-[(5-Bromo-3,6-diethylpyrazin-2-yl)amino]tetrahydrofuran-3-ol

https://huagongshe.com/reaction/1612308

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(1R,2S)-1-[(5-bromo-3,6-diethylpyrazin-2-yl)amino]-2,3-dihydro-1H-inden-2-olHCID 58583245—
Reactanttrans-(+/-)-4-[(3,6-Diethylpyrazin-2-yl)amino]tetrahydrofuran-3-olHCID 86588871—
Productcis-(+/-)-4-[(5-Bromo-3,6-diethylpyrazin-2-yl)amino]tetrahydrofuran-3-olHCID 86588877—

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 trans-(+/−)-4-[(3,6-diethylpyrazin-2-yl)amino]tetrahydrofuran-3-ol and making non-critical variations provided the title compound as a light yellow solid. IR (diffuse reflectance) 3398, 2971, 2938, 1569, 1539, 1490, 1466, 1447, 1413, 1397, 1251, 1232, 1054, 969, 891 cm−1; OAMS supporting ions at: ESI+ 315.9 & ESI− 313.9; MS (EI) m/z 315 (M+); HRMS (FAB) calcd for C12H18BRN3O2+H1 316.0661, found 316.0656; Anal. Calcd for C12H18BrN3O2: C, 45.58; H, 5.74; N, 13.29. Found: C, 45.49; H, 5.84; N, 13.14.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06992087B2
Source datasetuspto-grants-2006_01
ORD IDord-41939d5672104fa6902bd9270a108298
Source noteuspto-grants-2006_01