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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 462685Generated: October 25, 2026

Dibromoacetic Acid → 5-Methyl-6-nicotinoyl-1,3-benzodioxole-2-carboxylic acid

https://huagongshe.com/reaction/462685

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDibromoacetic AcidHCID 12433—
Reactant(3,4-Dihydroxy-6-methylphenyl)-(3-pyridyl)-methanoneHCID 20396981—
Solvent(Methanesulfinyl)methane--water (1/1)HCID 23503278—
Product5-Methyl-6-nicotinoyl-1,3-benzodioxole-2-carboxylic acidHCID 22155990—

Reaction Steps

By reaction of 17.3 g (0.075 mol) of (3,4-dihydroxy-6-methylphenyl)-(3-pyridyl)-methanone with 16.5 g (0.075 mol) of dibromoacetic acid, analogously to Example 3, there is obtained 5-methyl-6-nicotinoyl-1,3-benzodioxole-2-carboxylic acid as sand-coloured crystals, m.p. 250°-232° C. (from dimethyl sulfoxide/water).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04517184
Source datasetuspto-grants-1985_05
ORD IDord-fb12de9e08f84669b438d02503898394
Source noteuspto-grants-1985_05