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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 970054Generated: October 31, 2026

4-Bromobenzaldehyde → Methyl 2-[2-(4-bromophenyl)ethenyl]-6-chlorobenzoate

https://huagongshe.com/reaction/970054

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-BromobenzaldehydeHCID 70741—
Reactant1,5-Diazabicyclo(4.3.0)non-5-eneHCID 76349—
ReactantHCID 86594264HCID 86594264—
SolventAcetonitrileHCID 6342—
ProductMethyl 2-[2-(4-bromophenyl)ethenyl]-6-chlorobenzoateHCID 69410701—

Reaction Steps

To a mixture of. 44.6 g (84.9 mmol) of 3-chloro-2-methoxycarbonylbenzyltriphenylphosphonium bromide and 16.7 g (90.4 mmol) of 4-bromobenzaldehyde was added 150 ml of acetonitrile, and then, 14.8 g (119 mmol) of 1,5-diazabicyclo[4,3,0]-5-nonene was added dropwise to the mixture. Thereafter, the mixture was refluxed for 3 hours.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07309718B2
Source datasetuspto-grants-2007_12
ORD IDord-0b0642579b3745d587fec8dc9cb3d9a9
Source noteuspto-grants-2007_12