Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2276831Generated: November 1, 2026

2-Cyclopenten-1-one → (S)-3-(4-Bromophenyl)cyclopentan-1-one

https://huagongshe.com/reaction/2276831

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Cyclopenten-1-oneHCID 13588—
Reactant4-Bromophenyl-boric acidHCID 315513—
CatalystBinap, (A+-)-HCID 634876—
Product(S)-3-(4-Bromophenyl)cyclopentan-1-oneHCID 2500210391.3%

Reaction Steps

4-Bromophenylboric acid (3.61 g, 18 mmol), cyclopentenone (0.50 mL, 6.0 mmol) and (S)-BINAP (224 mg, 0.36 mmol) were used and treated in a similar manner to (Step 1) of (Example 1) to give the title compound (1.31 g, 90%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09133140B2
Source datasetuspto-grants-2015_09
ORD IDord-2755166f682548b584e3764bb02e3e5b
Source noteuspto-grants-2015_09