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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1587786Generated: October 31, 2026

1-Benzylpiperazine → 4,5-Dihydro-6-methyl-4[[4-(phenylmethyl)-1-piperazinyl]acetyl]-7-[3-(trifluoromethyl)phenyl]pyrazolo[1,5-a]pyrimidine-3-carbonitrile, dihydrochloride

https://huagongshe.com/reaction/1587786

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-BenzylpiperazineHCID 75994—
Reactant4-(Chloroacetyl)-4,5-dihydro-6-methyl-7-[3-(trifluoromethyl)phenyl]pyrazolo[1,5-a]-pyrimidine-3-carbonitrileHCID 15101085—
Product4,5-Dihydro-6-methyl-4[[4-(phenylmethyl)-1-piperazinyl]acetyl]-7-[3-(trifluoromethyl)phenyl]pyrazolo[1,5-a]pyrimidine-3-carbonitrile, dihydrochlorideHCID 131716668—

Reaction Steps

The above compound was prepared by the reaction of N-benzylpiperazine with the compound of Example 10 by the methods of Example 16 then 77, mp 204°-206° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05219857
Source datasetuspto-grants-1993_06
ORD IDord-d5c8d9c38636472e9b794f179cdc6dae
Source noteuspto-grants-1993_06