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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2081709Generated: October 25, 2026

Thionyl Chloride → 3-[(4-Phenylsulfonylphenyl)methylene]-2,4-pentanedione

https://huagongshe.com/reaction/2081709

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThionyl ChlorideHCID 24386—
ReactantAcetylacetoneHCID 31261—
Reactant4-(Benzenesulfonyl)benzaldehydeHCID 14417477—
SolventIsopropanolHCID 3776—
Product3-[(4-Phenylsulfonylphenyl)methylene]-2,4-pentanedioneHCID 19096396—

Reaction Conditions

Temperature20 °C

Reaction Steps

To a solution containing 2.1 g of 4-phenylsulfonylbenzaldehyde and 1.5 g of 2,4-pentanedione in 10 ml of 2-propanol was added 1 ml of thionyl chloride with stirring at 20° C. The solution was stirred for 1 h at 20° C. and evaporated to dryness in vacuo. The residue was crystallized from toluene, mp 102°-105° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05185370
Source datasetuspto-grants-1993_02
ORD IDord-3beebd0153e647d5a271d55a86d3267f
Source noteuspto-grants-1993_02