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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1612303Generated: November 2, 2026

5-(2,4-dichlorophenyl)-N-[(1R,2S)-2-ethoxy-2,3-dihydro-1H-inden-1-yl]-3,6-diethylpyrazin-2-amine → trans-(+/-)-N-[4-ethoxytetrahydrofuran-3-yl]-3,6-diethyl-5-(4-methoxy-2-methylphenyl)pyrazin-2-amine

https://huagongshe.com/reaction/1612303

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-(2,4-dichlorophenyl)-N-[(1R,2S)-2-ethoxy-2,3-dihydro-1H-inden-1-yl]-3,6-diethylpyrazin-2-amineHCID 10217073—
Reactanttrans-(+/-)-4-{[3,6-Diethyl-5-(4-methoxy-2-methylphenyl)pyrazin-2-yl]amino}tetrahydrofuran-3-olHCID 86588873—
Producttrans-(+/-)-N-[4-ethoxytetrahydrofuran-3-yl]-3,6-diethyl-5-(4-methoxy-2-methylphenyl)pyrazin-2-amineHCID 86588874—

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 trans-(+/−)-4-{[3,6-diethyl-5-(4-methoxy-2-methylphenyl)pyrazin-2-yl]amino}tetrahydrofuran-3-ol and making non-critical variations provided the title compound as a light yellow solid. IR (diffuse reflectance) 3354, 2973, 2958, 2938, 1484, 1462, 1446, 1396, 1300, 1239, 1172, 1072, 1050, 1043, 885 cm−1; OAMS supporting ions at: ESI+ 386.1; MS (EI) m/z 385 (M+); HRMS (FAB) calcd for C22H31N3O3 +H1 386.2443, found 386.2438. Anal. Calcd for C22H31N3O3: C, 68.54; H, 8.11; N, 10.90. Found: C, 68.38; H, 7.99; N, 10.85.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06992087B2
Source datasetuspto-grants-2006_01
ORD IDord-0f8b9b9d74984d6fb9c8e5c5d1e3e923
Source noteuspto-grants-2006_01