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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1859771Generated: November 1, 2026

4-Bromobenzaldehyde → 2-(4-Bromo-benzylidene)-6-(2-imidazole-1-yl-ethoxy)-3,4-dihydro-2H-naphthalen-1-one

https://huagongshe.com/reaction/1859771

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-BromobenzaldehydeHCID 70741—
Reactant6-(2-Imidazole-1-yl-ethoxy)-3,4-dihydro-2H-naphthalen-1-oneHCID 15486912—
SolventEthanolHCID 702—
SolventPotassium HydroxideHCID 14797—
Product2-(4-Bromo-benzylidene)-6-(2-imidazole-1-yl-ethoxy)-3,4-dihydro-2H-naphthalen-1-oneHCID 5448517681%

Reaction Steps

According to the method of Example 4, 6-(2-imidazole-1-yl-ethoxy)-3,4-dihydro-2H-naphthalen-1-one (0.40 g, 1.6 mmol) was reacted with 4-bromobenzaldehyde (0.433 g, 2.3 mmol) in 2 mL of 4% KOH in ethanol to afford 0.543 g (81%) of the title compound as a coarse white solid, mp 152-153° C.: CI-MS m/e 423, 425 (M+);

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06528535B2
Source datasetuspto-grants-2003_03
ORD IDord-67869f00d2c54916ac0f857721acad4b
Source noteuspto-grants-2003_03