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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 518173Generated: October 26, 2026

5'-Bromo-2'-hydroxyacetophenone → 1'-Phenyl-6-bromo-spiro[chromane-2,4'-piperidine]-4-one

https://huagongshe.com/reaction/518173

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5'-Bromo-2'-hydroxyacetophenoneHCID 95991—
Reactant1-Phenyl-4-piperidinoneHCID 413009—
Reactant(E)-3-{1'-tert-butoxycarbonyl-4-oxo-spiro[chromane-2,4'-piperidine]-6-yl}-acrylic acid methyl esterHCID 52952087—
Product1'-Phenyl-6-bromo-spiro[chromane-2,4'-piperidine]-4-oneHCID 66932220—

Reaction Steps

1′-Phenyl-6-bromo-spiro[chromane-2,4′-piperidine]-4-one was synthesized according to the procedure for preparation of Intermediate 1, Step A, using 1-phenyl-piperidin-4-one (607 mg, 3.47 mmol) and 2-hydroxy-5-bromoacetophenone (746 mg, 3.47 mmol), giving 650 mg as a white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09115148B2
Source datasetuspto-grants-2015_08
ORD IDord-c0950ea8371547d0926ea53da7c061be
Source noteuspto-grants-2015_08