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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1297298Generated: November 2, 2026

2-Bromopyridine → 5-(2,4-dichlorophenyl)-N-[(3R,4S)-4-ethoxy-1-pyridin-2-ylpyrrolidin-3-yl]-3,6-diethylpyrazin-2-amine

https://huagongshe.com/reaction/1297298

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-BromopyridineHCID 7973—
Reactant5-(2,4-dichlorophenyl)-N-[(3R,4S)-4-ethoxy-1-(1,3-thiazol-2-yl)pyrrolidin-3-yl]-3,6-diethylpyrazin-2-amineHCID 11785177—
Product5-(2,4-dichlorophenyl)-N-[(3R,4S)-4-ethoxy-1-pyridin-2-ylpyrrolidin-3-yl]-3,6-diethylpyrazin-2-amineHCID 11397610—

Reaction Steps

Following the procedure for the preparation of 5-(2,4-dichlorophenyl)-N-[(3R,4S)-4-ethoxy-1-(1,3-thiazol-2-yl)pyrrolidin-3-yl]-3,6-diethylpyrazin-2-amine but substituting 2-bromo pyridine provided the title compound as an amporphous solid: 1 H NMR (400 MHz, CDCl3) δ) 8.20, 7.50, 7.32, 7.28, 6.69, 6.53, 5.33, 4.92, 4.28, 4.05, 3.92–3.78, 3.58, 3.42, 2.73, 2.50, 1.33–1.25,1.16; HRMS (ESI) calcd for C25H29N5OCl2+H1 486.1827. found 486.1827.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07250418B2
Source datasetuspto-grants-2007_07
ORD IDord-785dac5092c14d8cbf32a662742855b7
Source noteuspto-grants-2007_07