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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1612313Generated: October 30, 2026

Propane, 1-bromo-3-fluoro- → (+/-)-5-(2-chloro-4-methoxyphenyl)-3,6-diethyl-N-[cis-4-(3-fluoropropoxy)tetrahydrofuran-3-yl]pyrazin-2-amine

https://huagongshe.com/reaction/1612313

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPropane, 1-bromo-3-fluoro-HCID 67699—
Reactant5-(2,4-dichlorophenyl)-N-[(1R,2S)-2-ethoxy-2,3-dihydro-1H-inden-1-yl]-3,6-diethylpyrazin-2-amineHCID 10217073—
Reactantcis-(+/-)-4-{[5-(2-Chloro-4-methoxyphenyl)-3,6-diethylpyrazin-2-yl]amino}tetrahydrofuran-3-olHCID 86588878—
Product(+/-)-5-(2-chloro-4-methoxyphenyl)-3,6-diethyl-N-[cis-4-(3-fluoropropoxy)tetrahydrofuran-3-yl]pyrazin-2-amineHCID 58583345—

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 of cis-(+/−)-4-{[5-(2-chloro-4-methoxyphenyl)-3,6-diethylpyrazin-2-yl]amino}tetrahydrofuran-3-ol and 1-bromo-3-fluoropropane and making non-critical variations provided the title compound as a colorless semi-solid. IR (liq.) 2969, 2936, 2875, 1606, 1565, 1481, 1441, 1397, 1287, 1230, 1203, 1127, 1075, 1059, 1046 cm−1; OAMS supporting ions at: ESI+ 438.2; MS (EI) m/z 437 (M+); HRMS (FAB) calcd for C22H29CLFN3O3+H1 438.1960, found 438.1965. Anal. Calcd for C22H29ClFN3O3: C, 60.34; H, 6.67; N, 9.59. Found: C, 60.31; H, 6.78; N, 9.65.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06992087B2
Source datasetuspto-grants-2006_01
ORD IDord-70edad23776f41c5bf316765b95d05ca
Source noteuspto-grants-2006_01