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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 368311Generated: October 31, 2026

4-Bromothiophene-2-carbaldehyde → HCID 54476551, compound

https://huagongshe.com/reaction/368311

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Bromothiophene-2-carbaldehydeHCID 87792—
Reactant6-(2-Imidazole-1-yl-ethoxy)-3,4-dihydro-2H-naphthalen-1-oneHCID 15486912—
SolventEthanolHCID 702—
SolventPotassium HydroxideHCID 14797—
ProductHCID 54476551HCID 5447655143%

Reaction Steps

According to the method of Example 4, 6-(2-imidazole-1-yl-ethoxy)-3,4-dihydro-2H-naphthalen-1-one (0.252 g, 0.98 mmol) was reacted with 4-bromothiophene-2-carboxaldehyde (0.282 g, 1.5 mmol) in 5 mL of 4% KOH in EtOH to afford 0.181 g (43%) of the title compound as a light tan powder, mp 164-166° C.: CI-MS m/e 428, 430 (M+); 429, 431 (M+ +1); 1H-NMR (CDCl3): δ 8.03 (1H, d, J=8.8 Hz), 7.82 (1H, s), 7.58 (1H, s), 7.33 (1H, s), 7.20 (1H, s), 7.05 (1H, s), 7.01 (1H, s), 6.80 (1H, dd, J=8.8 Hz, J=2.4 Hz), 6.66 (1H, d, J=2.2 Hz), 4.34 (2H, m), 4.25 (2H, m), 3.10 (2H, m), 2.93 (2H, m).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06133303
Source datasetuspto-grants-2000_10
ORD IDord-a4351a3cb76d40c7af5cd21bb80fbb61
Source noteuspto-grants-2000_10