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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 965674Generated: October 31, 2026

Carbonic acid-guanidine (1:1) → HCID 178494790, compound

https://huagongshe.com/reaction/965674

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCarbonic acid-guanidine (1:1)HCID 286947—
ReactantHCID 22313244HCID 22313244—
SolventEthanolHCID 702—
ProductHCID 178494790HCID 17849479041.5%

Reaction Steps

A mixture of ethyl 2-(2-methoxyethyl)-3-oxobutanoate (4 g, 21 mmol), guanidine carbonate (2.27 g, 16.3 mmol) and ethanol (16 ml) was refluxed for 9 hours. After cooling, the precipitate was filtered and washed with water, ethanol and ether in order, to give the object compound (1.24 g, 31.9%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06951866B2
Source datasetuspto-grants-2005_10
ORD IDord-c7635e40e74e40e691cc08084ad2a0cf
Source noteuspto-grants-2005_10