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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2072386Generated: October 26, 2026

Ethanolamine → 2-Carboxy-5-methylpyrazine 4-oxide ethanolamine salt

https://huagongshe.com/reaction/2072386

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanolamineHCID 700—
ReactantAcipimoxHCID 5310993—
SolventMethanolHCID 887—
Product2-Carboxy-5-methylpyrazine 4-oxide ethanolamine saltHCID 21408176120.3%

Reaction Steps

2-Carboxy-5-methylpyrazine 4-oxide (2.5 g) was added to methanol (60 ml) and ethanolamine (1.1 ml). The mixture was refluxed for 20 minutes, then cooled and filtered to obtain 2-carboxy-5-methylpyrazine 4-oxide ethanolamine salt (2.1 g), m.p. 177°-180° C, after crystallisation from methanol.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04051245
Source datasetuspto-grants-1977_09
ORD IDord-d0005dc3fa04492e93be2da5511f0b34
Source noteuspto-grants-1977_09