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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1767208Generated: November 2, 2026

Water → HCID 69508076, compound

https://huagongshe.com/reaction/1767208

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantPotassium CarbonateHCID 11430—
Reactant2-Benzyloxy-5-chlorobenzeneboronic acidHCID 4198740—
ReactantBenzoic acid, 5-(2-bromo-1-cyclopenten-1-yl)-2-methyl-, ethyl esterHCID 58887641—
Solvent2-Methylphenethyl alcoholHCID 88267—
ProductHCID 69508076HCID 6950807661%

Reaction Steps

(5-chloro-2-benzyloxyphenyl)boronic acid (150 mg, 0.5 mmol), Pd(0)[PPh3]4 (25 mg, 0.021 mmol), potassium carbonate (483 mg, 3.36 mmol) and (3-(2-bromo-cyclopent-1-enyl)-6-methylbenzoic acid ethyl ester (130 mg, 0.42 mmol) in toluene-ethanol (1:1 10 mL) were stirred at 90° C., under nitrogen, for 2 hrs. Upon cooling, the reaction mixture was poured into water and extracted with ethyl acetate (3×20 mL). The combined organic layers were dried (MgSO4), filters and concentrated. The residue was purified on a Biotage® using 5% of ethyl acetate in iso-hexane to give the required product as white solid (114 mg, 61%). 1HNMR (CDCl3):1.27(3H,t, J=12 Hz), 2.01–2.08(2H, m), 2.51(3H, s), 2.83(2H, t, J=6 Hz), 2.90(2H, t, J=6 Hz), 4.94(2H, s), 6.80(1H, d, J=Hz), 6.97–7.70 (9H, m), 7.70(1H, s). LC/MS; Rt=4.22 [M+H] 447 (1 Cl)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07232821B2
Source datasetuspto-grants-2007_06
ORD IDord-1b1d8d0727954ffb96e2098d954b4392
Source noteuspto-grants-2007_06