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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 704505Generated: November 1, 2026

Acetic Acid → HCID 178475878, compound

https://huagongshe.com/reaction/704505

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AcidHCID 176—
Reactantp-Toluenesulfonic acidHCID 6101—
ReactantDimethylformamideHCID 6228—
ReactantHCID 178432391HCID 178432391—
SolventDiethyl EtherHCID 3283—
SolventIsopropanolHCID 3776—
ProductHCID 178475878HCID 178475878—

Reaction Conditions

Temperature50 °C

Reaction Steps

A mixture of 33.06 g of 7-hydroxy-5-hydroxymethyl-2-methyl-s-triazolo[1,5-a]pyrimidine, 500 ml of DMF, 86 ml of anhydrous acetic acid and 1.5 g of p-toluenesulfonic acid was stirred in a bath at 50 ° C. for 6 hours. To an oily isopropanol to dissolve therein, and the solution was dropwise in 4 liters of ether. Precipitates were collected by filtration and dried to obtain 38.08 g of the compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04987129
Source datasetuspto-grants-1991_01
ORD IDord-b08ce1cfa1334cc4946ef42ab590d8bf
Source noteuspto-grants-1991_01