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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 518208Generated: November 2, 2026

1-(2-Bromoethyl)-4-chlorobenzene → HCID 66932159, compound

https://huagongshe.com/reaction/518208

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-(2-Bromoethyl)-4-chlorobenzeneHCID 23029—
Reactant(E)-3-{1'-tert-butoxycarbonyl-4-oxo-spiro[chromane-2,4'-piperidine]-6-yl}-acrylic acid methyl esterHCID 52952087—
ProductHCID 66932159HCID 6693215992.7%

Reaction Steps

(E)-3-{4-Oxo-spiro[chromane-2,4′-piperidine]-6-yl}-acrylic acid methyl ester (169 mg, 0.500 mmol, Intermediate 1, hydrochloride salt) was alkylated using 1-(2-bromo-ethyl)-4-chloro-benzene (0.15 ml, 1.5 mmol) as described in Example 56, Step A, giving (E)-3-{1′-[2-(4-chloro-phenyl)-ethyl]-4-oxo-spiro[chromane-2,4′-piperidine]-6-yl}-acrylic acid methyl ester (204 mg) as a light yellow solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09115148B2
Source datasetuspto-grants-2015_08
ORD IDord-11ae8aec425442cca651cae37611fcb4
Source noteuspto-grants-2015_08