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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 269815Generated: November 2, 2026

Potassium Carbonate → HCID 67388525, compound

https://huagongshe.com/reaction/269815

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant4-BromobutyronitrileHCID 21412—
Reactant1-(4-Nitrophenyl)piperazineHCID 80447—
SolventN-methyl-2-pyrrolidoneHCID 13387—
ProductHCID 67388525HCID 67388525—

Reaction Steps

1-(4-Nitrophenyl)piperazine and 4-bromobutyronitrile were allowed to undergo the reaction under heating in 1-methyl-2-pyrrolidone in the presence of potassium carbonate. The resulting compound was allowed to react with polyphosphoric acid under heating and then subjected to catalytic hydrogenation in the same manner as shown in Reference Example 3 to obtain 4-[4-(4-aminophenyl)piperazin-1-yl]butanamide. F: 263.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07449456B2
Source datasetuspto-grants-2008_11
ORD IDord-c0ca32b5f6e7438db500f4a1656e3ad0
Source noteuspto-grants-2008_11