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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2073724Generated: October 31, 2026

Hydrochloric Acid → HCID 15057241, compound

https://huagongshe.com/reaction/2073724

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantFormaldehydeHCID 712—
Reactant(3,4-Dichlorophenyl)acetonitrileHCID 76690—
ReactantPyrrolidine, hydrochloride (1:1)HCID 212848—
SolventEthanolHCID 702—
ProductHCID 15057241HCID 15057241—

Reaction Steps

To 100 mL of ethanol is added (18.6 g (0.1 mol) 3,4-dichlorobenzeneacetonitrile, 12.6 g (0.12 mol) of pyrrolidine hydrochloride, 6.0 g (0.2 mol) of paraformaldehyde and 1 mL of concentrated hydrochloric acid. Stir the mixture at reflux. Monitor the progress of the reaction by thin-layer chromatography. Upon completion add 300 mL of 1N HCl and extract with 200 mL of Et2O. Add 4N NaOH to the aqueous solution until basic and extract the aqueous solution with two 100 mL portions of CH2Cl2. Dry the organic phase over anhydrous Na2SO4. Filter the drying agent and evaporate the solvent in vacuo to obtain the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04920116
Source datasetuspto-grants-1990_04
ORD IDord-96c639b7fd394e008888ccd707ce49d6
Source noteuspto-grants-1990_04