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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1479957Generated: October 29, 2026

Sodium Carbonate → HCID 67179448, compound

https://huagongshe.com/reaction/1479957

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium CarbonateHCID 10340—
ReactantMethyl 5-chloropyrazine-2-carboxylateHCID 406081—
Reactanttert-Butyl (2R)-2-methylpiperazine-1-carboxylateHCID 10262201—
SolventDimethylformamideHCID 6228—
ProductHCID 67179448HCID 67179448—

Reaction Conditions

Temperature140 °C

Reaction Steps

To (R)-1-boc-methylpiperazine (1 g, 5.0 mmol) in DMF (20 mL) is added 5-chloro-pyrazine-2-carboxylic acid methyl ester (862 mg, 5.0 mmol) and Na2CO3 (2.1 g, 20.0 mmol). The reaction mixture is stirred in a microwave reactor at 140° C. for 3 h. Then the mixture is cooled to rt and the organic solvent is removed in vacuo to afford a brown colored solid as product (1.7 g, quant.).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09409871B2
Source datasetuspto-grants-2016_08
ORD IDord-ced445136e534fd789b7d1eb79656e6e
Source noteuspto-grants-2016_08