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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1651701Generated: October 31, 2026

Water → HCID 15010187, compound

https://huagongshe.com/reaction/1651701

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantBromineHCID 24408—
ReactantHCID 15010186HCID 15010186—
Solvent1,4-DioxaneHCID 31275—
ProductHCID 15010187HCID 1501018728.5%

Reaction Steps

A sample of 5-bromo-4-(p-chlorophenyl)pyrrole-2-carbonitrile (2.2 g., 0.0078 mol) is dissolved in 30 mL of dry dioxane. The solution is heated with bromine (1.3 g., 0.008 mol) in dioxane (20 mL) and then stirred overnight at room temperature. The reaction mixture is poured into water precipitating a tan solid (2.6 g., 92%). A portion (1.6 g) is purified by flash chromatography using 75/25 hexane/ethyl acetate to give 0.8 g of grey solid with m.p. 191°-194° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04929634
Source datasetuspto-grants-1990_05
ORD IDord-8590af78c32b43e49b2baacb869c9b37
Source noteuspto-grants-1990_05