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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1617199Generated: November 1, 2026

Carbonic acid-guanidine (1:1) → HCID 178493423, compound

https://huagongshe.com/reaction/1617199

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCarbonic acid-guanidine (1:1)HCID 286947—
ReactantEthyl 2-(4-hydroxy-2-methoxybenzyl)-3-oxobutanoateHCID 68415133—
SolventEthanolHCID 702—
ProductHCID 178493423HCID 178493423—

Reaction Steps

A mixture of the product from step (ii) (23.35 g) and guanidine carbonate (15.9 g) in EtOH (300 ml) was heated under reflux for 24 h. The mixture was cooled and the solid filtered and washed with EtOH, water, EtOH then diethyl ether and dried to afford the subtitle compound, 11.36 g.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08765939B2
Source datasetuspto-grants-2014_07
ORD IDord-95c0ad2605c648febc425fd5a56f843c
Source noteuspto-grants-2014_07