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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2059740Generated: November 2, 2026

Hydrochloric Acid → HCID 45264782, compound

https://huagongshe.com/reaction/2059740

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant4-MethylpyrazoleHCID 3406—
ReactantCyanamideHCID 9864—
Reactant1,4-DioxaneHCID 31275—
SolventDiethyl EtherHCID 3283—
ProductHCID 45264782HCID 45264782—

Reaction Conditions

Temperature110 °C

Reaction Steps

To 4-Methyl-1H-pyrazole (4.9 g, 60 mmol) was added cyanamide (2.5 g, 60 mmol), HCl (5.6 mL, 62 mmol, 4 M in dioxane) and dioxane (60 mL). The reaction was heated to 110° C. and aged for 9 h. It was then aged at rt overnight. The mixture was diluted with Et2O and stirred for 10 min. The product was isolated by filtration and washed with Et2O to afford the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08278304B2
Source datasetuspto-grants-2012_10
ORD IDord-d7ecd80cf44143899b0a1c6d2654cb68
Source noteuspto-grants-2012_10