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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1995079Generated: October 30, 2026

Dimethylformamide → HCID 4780938, compound

https://huagongshe.com/reaction/1995079

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethylformamideHCID 6228—
Reactant2-BromopyridineHCID 7973—
ReactantPotassium CarbonateHCID 11430—
ReactantHCID 20455110HCID 20455110—
SolventWaterHCID 962—
ProductHCID 4780938HCID 478093874%

Reaction Steps

A mixture of 10.6 parts of 1-(4-methoxyphenyl)piperazine dihydrobromide, 7.9 parts of 2-bromopyridine, 8.4 parts of potassium carbonate and 90 parts of N,N-dimethylformamide is stirred and refluxed overnight. The reaction mixture is diluted with water and the product is extracted twice with benzene. The combined extracts are dried, filtered and evaporated. The residue is crystallized from 1,1'-oxybisbutane. The product is filtered off and dried, yielding 8 parts (74%) of 1-(4-methoxyphenyl)-4-(2-pyridinyl)piperazine; mp. 125.6° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04402957
Source datasetuspto-grants-1983_09
ORD IDord-5f50a118cb414f76ae1ee77c6d85d782
Source noteuspto-grants-1983_09