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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1612278Generated: October 27, 2026

Ethyl chloroformate → Ethyl(cis)-3-{[5-(2,4-dichlorophenyl)-3,6-diethylpyrazin-2-yl]amino}-4-ethoxypyrrolidine-1-carboxylate

https://huagongshe.com/reaction/1612278

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl chloroformateHCID 10928—
ReactantN-[(cis)-1-acetyl-4-ethoxypyrrolidin-3-yl]-5-(2,4-dichlorophenyl)-3,6-diethylpyrazin-2-amineHCID 58583258—
ProductEthyl(cis)-3-{[5-(2,4-dichlorophenyl)-3,6-diethylpyrazin-2-yl]amino}-4-ethoxypyrrolidine-1-carboxylateHCID 10128017—

Reaction Steps

Following the procedure for the preparation of N-[(cis)-1-acetyl-4-ethoxypyrrolidin-3-yl]-5-(2,4-dichlorophenyl)-3,6-diethylpyrazin-2-amine but substituting ethyl chloroformate and making non-critical variations provided the title compound as an oil:

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06992087B2
Source datasetuspto-grants-2006_01
ORD IDord-3c6e90c6c3e34d7a9b34f3e39e877111
Source noteuspto-grants-2006_01