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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2387840Generated: November 1, 2026

Carbonic acid-guanidine (1:1) → HCID 178433373, compound

https://huagongshe.com/reaction/2387840

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCarbonic acid-guanidine (1:1)HCID 286947—
ReactantEthyl 3-oxo-2-(4-((tetrahydro-2H-pyran-2-yloxy)methyl)benzyl)butanoateHCID 68414491—
SolventEthanolHCID 702—
ProductHCID 178433373HCID 178433373—

Reaction Steps

A mixture of the product from step (i) (15.66 g) and guanidine carbonate (8.7 g) in EtOH (150 ml) was heated under reflux for 48 h. The mixture was cooled, the solvent removed under reduced pressure and the residue triturated with water. The solid was filtered, washed with water then diethylether and dried to afford the subtitle compound, 11.58 g.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08268990B2
Source datasetuspto-grants-2012_09
ORD IDord-59091e8e39674a8595ecc191d4a19b2f
Source noteuspto-grants-2012_09