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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2198971Generated: October 30, 2026

Hydrochloric Acid → HCID 20470039, compound

https://huagongshe.com/reaction/2198971

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant3-Amino-1-phenylpyrazoleHCID 98736—
SolventDiethyl EtherHCID 3283—
ProductHCID 20470039HCID 20470039—

Reaction Steps

A 2.0 g. amount of 3-amino-1-phenyl-2-pyrazoline (Example 1) is dissolved in 15 ml. of concentrated hydrochloric acid, then is poured into anhydrous ethyl ether to crystallize a product. The product is collected by filtration and recrystallized from acetone-hexane to give 1.50 g. of the desired product as a white solid, m.p. 94°-96° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04360680
Source datasetuspto-grants-1982_11
ORD IDord-b3e1b697470e4b05b362333f3ecb0045
Source noteuspto-grants-1982_11