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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 356857Generated: October 31, 2026

Hydrochloric Acid → (s)-3-(1h-Indol-3-ylmethyl)-1-(2-phenyl-ethyl)-2-oxo-piperazine hydrochloride salt

https://huagongshe.com/reaction/356857

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant(S)-3-(1H-Indol-3-ylmethyl)-1-(2-phenyl-ethyl)-2-oxo-piperazineHCID 9905691—
SolventDichloromethaneHCID 6344—
Product(s)-3-(1h-Indol-3-ylmethyl)-1-(2-phenyl-ethyl)-2-oxo-piperazine hydrochloride saltHCID 70203042—

Reaction Conditions

Temperature0 °C

Reaction Steps

Dissolve (S)-3-(1H-Indol-3-ylmethyl)-1-(2-phenyl-ethyl)-2-oxo-piperazine (0.545 g, 1.64 mmol) in dichloromethane (20 mL). Cool to 0° C. Pass hydrochloride gas through the solution for 15 minutes. Evaporate in vacuo to obtain a residue. Triturate with diethyl ether to give a solid. Filter and dry in vacuo to give the title compound. Elem. Anal. calculated for C21H23N3O.HCl.0.8 H2O: C, 65.74; H, 6.70; N, 10.95. Found: C, 66.14; H, 6.96; N, 10.57. Specific rotation [α]2D0 =-104° (c=1.00, DMSO).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05840726
Source datasetuspto-grants-1998_11
ORD IDord-eafdcd4702c74edb91f06745ed2bae84
Source noteuspto-grants-1998_11