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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 519260Generated: October 30, 2026

Hydrochloric Acid → Methyl 3-(2-aminoethyl)-5,6,7,8-tetrahydroindolizine-2-carboxylate hydrochloride

https://huagongshe.com/reaction/519260

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantMethyl 3-(cyanomethyl)-5,6,7,8-tetrahydroindolizine-2-carboxylateHCID 58044124—
ReactantHCID 178418361HCID 178418361—
CatalystPlatinum oxide (PtO)HCID 82844—
SolventEthanolHCID 702—
SolventEthyl AcetateHCID 8857—
ProductMethyl 3-(2-aminoethyl)-5,6,7,8-tetrahydroindolizine-2-carboxylate hydrochlorideHCID 67016117—

Reaction Steps

Methyl 3-(Cyanomethyl)-5,6,7,8-tetrahydroindolizine-2-carboxylate 101e was hydrogenated with platinum oxide catalyst under 50 psi of hydrogen in ethanol and ethyl acetate in the presence of hydrogen chloride overnight at room temperature to give 101f (380 mg, 1.74 mmol) which was used in directly in the next step.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09115152B2
Source datasetuspto-grants-2015_08
ORD IDord-7ca5aa8616744cfa8de5b67e456db499
Source noteuspto-grants-2015_08