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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2305400Generated: November 2, 2026

Acetic Acid → 5-[(5-bromothiophen-2-yl)methylidene]-2-sulfanylidene-1,3-diazinane-4,6-dione

https://huagongshe.com/reaction/2305400

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AcidHCID 176—
ReactantDimethylformamideHCID 6228—
Reactant5-Bromothiophene-2-carbaldehydeHCID 78428—
ReactantHCID 178516656HCID 178516656—
SolventWaterHCID 962—
Product5-[(5-bromothiophen-2-yl)methylidene]-2-sulfanylidene-1,3-diazinane-4,6-dioneHCID 94609029%

Reaction Steps

In a procedure identical to Example 1, 0.144 g (1 mmol) of 4,6-dihydroxy-2-mercaptopyrimidine, and 0.207 g (1 mmol) of 5-bromothiophenecarboxaldehyde in a solution of 2 ml of glacial acetic acid and 4 ml of DMF was heated at 80° C. for 12 hours. Upon cooling to room temperature, the reaction was poured into water and the precipitate collected by filtration. The crude product was washed with water, and the solid boiled in methanol for 1 minute. Filtration provided 92 mg of product as an orange solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06440985B1
Source datasetuspto-grants-2002_08
ORD IDord-6c6ff80b61f04dd1af0652e3ecf5c57e
Source noteuspto-grants-2002_08