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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 442654Generated: November 2, 2026

2,6-Dichlorobenzaldehyde → (3Z)-1-acetyl-3-(2,6-dichlorobenzylidene)-2,5-piperazinedione

https://huagongshe.com/reaction/442654

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,6-DichlorobenzaldehydeHCID 6737—
ReactantTriethylamineHCID 8471—
Reactant1,4-Diacetyl-2,5-piperazinedioneHCID 540371—
SolventDimethylformamideHCID 6228—
Product(3Z)-1-acetyl-3-(2,6-dichlorobenzylidene)-2,5-piperazinedioneHCID 2130886540%

Reaction Steps

1,4-Diacetyl-2,5-piperazinedione prepared by the published procedure mentioned in Reference Example 3, was stirred in DMF with 2,6-dichlorobenzaldehyde and triethylamine and heated to 120°-130° C. for 1-3 h. The title compound was obtained with a yield of 40%.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05891877
Source datasetuspto-grants-1999_04
ORD IDord-580416b22eb44c648a525512ce786adc
Source noteuspto-grants-1999_04