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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 973244Generated: October 30, 2026

Phenyltrimethylammonium bromide dibromide → HCID 21325159, compound

https://huagongshe.com/reaction/973244

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhenyltrimethylammonium bromide dibromideHCID 17977687—
ReactantHCID 21325149HCID 21325149—
SolventTetrahydrofuranHCID 8028—
ProductHCID 21325159HCID 21325159—

Reaction Steps

To 5-acetyl-2-hydroxyphenylacetonitrile (3.5 g., 0.02 mole) in 100 ml. of tetrahydrofuran is added trimethylphenylammonium tribromide (7.6 g., 0.02 mole) portionwise over a 15 min. period with stirring. After stirring for an additional 18 hrs. at 25° C., the reaction mixture is concentrated to dryness under reduced pressure. Trituration of residual material with water affords 5.0 g. of brominated product, m.p. 187°-191° C. (dec.). Crystallization of this material from isopropanol affords 5-bromoacetyl-2-hydroxyphenylacetonitrile, m.p. 196°-198° C. (dec.).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04055658
Source datasetuspto-grants-1977_10
ORD IDord-cd4e4d77731a4d408ceca9609abd52b2
Source noteuspto-grants-1977_10