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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1454978Generated: October 30, 2026

1-(5-Bromopyridin-2-yl)-1-(2,6-difluorophenyl)but-3-yn-2-one → 7-bromo-1-(2,6-difluorophenyl)-2H-quinolizin-2-one

https://huagongshe.com/reaction/1454978

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-(5-Bromopyridin-2-yl)-1-(2,6-difluorophenyl)but-3-yn-2-oneHCID 57531243—
SolventN,N,N',N'-TetramethylethylenediamineHCID 8037—
Product7-bromo-1-(2,6-difluorophenyl)-2H-quinolizin-2-oneHCID 57531230—

Reaction Steps

To a solution of 1-(5-bromopyridin-2-yl)-1-(2,6-difluorophenyl)but-3-yn-2-one (2 g) in TMEDA was heated to 90° C. for 1 h. LCMS analysis revealed the reaction was complete and the reaction was concentrated. The crude material was purified by silica gel chromatography (CH2Cl2/acetone) to yield the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07482345B2
Source datasetuspto-grants-2009_01
ORD IDord-8d9dfddc5c6b42f5ba3a68dc4f89ac36
Source noteuspto-grants-2009_01