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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1824214Generated: November 3, 2026

5-(2,4-dichlorophenyl)-N-[(cis)-4-ethoxypyrrolidin-3-yl]-3,6-diethylpyrazin-2-amine → 5-(2-chloro-4-methoxyphenyl)-3,6-diethyl-N-[(3R,4S)-4-(2-fluoroethoxy)pyrrolidin-3-yl]pyrazin-2-amine

https://huagongshe.com/reaction/1824214

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-(2,4-dichlorophenyl)-N-[(cis)-4-ethoxypyrrolidin-3-yl]-3,6-diethylpyrazin-2-amineHCID 10309820—
Reactantbenzyl(3R,4S)-3-{[5-(2-chloro-4-methoxyphenyl)-3,6-diethylpyrazin-2-yl]amino}-4-(2-fluoroethoxy)pyrrolidine-1-carboxylateHCID 58583297—
Product5-(2-chloro-4-methoxyphenyl)-3,6-diethyl-N-[(3R,4S)-4-(2-fluoroethoxy)pyrrolidin-3-yl]pyrazin-2-amineHCID 10238033—

Reaction Steps

Following the procedure for the preparation of 5-(2,4-dichlorophenyl)-N-[(cis)-4-ethoxypyrrolidin-3-yl]-3,6-diethylpyrazin-2-amine but substituting benzyl(3R,4S)-3-{[5-(2-chloro-4-methoxyphenyl)-3,6-diethylpyrazin-2-yl]amino}-4-(2-fluoroethoxy)pyrrolidine-1-carboxylate and making non-critical variations provided the title compound as an oil: 1H NMR (CDCl3) δ 1.15, 1.29, 2.48, 2.70, 2.90, 2.90, 3.15, 3.23, 3.44, 3.85, 4.11, 4.55, 4.66, 5.32, 6.88, 7.02, 7.24.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07041672B2
Source datasetuspto-grants-2006_05
ORD IDord-e73de97c24014ee5accf7eba89cd540d
Source noteuspto-grants-2006_05