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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2208114Generated: November 2, 2026

Hydrochloric Acid → HCID 118431806, compound

https://huagongshe.com/reaction/2208114

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantHCID 118431658HCID 118431658—
SolventEthyl AcetateHCID 8857—
ProductHCID 118431806HCID 118431806736.2%

Reaction Steps

5-(2-Chloro-phenyl)-1-[3-(4-BOC-piperazin-1-yl)-phenyl]-3-[di-(trifluoromethyl)-hydroxy-methyl]-4,5-dihydro-1H-pyrazole (100.0 mg, 0.20 mmol) prepared in Example 436 was added to a saturated solution of hydrochloric acid in ethyl acetate (3.0 mL). The reaction mixture was stirred at room temperature for 1 hour and then concentrated under reduced pressure to give 400.0 mg of 5-(2-chloro-phenyl)-1-[3-(piperazin-1-yl)-phenyl]-3-[di-(trifluoromethyl)-hydroxy-methyl]-4,5-dihydro-1H-pyrazole hydrochloride as a yellow liquid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09376420B2
Source datasetuspto-grants-2016_06
ORD IDord-96caec96a121476daf884c1cae2a1e8d
Source noteuspto-grants-2016_06