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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2087145Generated: November 1, 2026

Hydrochloric Acid → 4-(4-Nitrophenyl)-1,2,3,6-tetrahydropyridine

https://huagongshe.com/reaction/2087145

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant2-methyl-N-[3-(4-piperidyl)phenyl]propanamideHCID 16757255—
ReactantHCID 22049016HCID 22049016—
Solvent1,4-DioxaneHCID 31275—
Product4-(4-Nitrophenyl)-1,2,3,6-tetrahydropyridineHCID 22048783—

Reaction Steps

4-(4-Nitrophenyl)-1,2,3,6-tetrahydropyridine was prepared by a similar procedure to that used for the preparation of 2-methyl-N-[3-(4-piperidinyl)phenyl]propanamide using HCl gas and tert-Butyl 4-(4-Nitrophenyl)-3,6-dihydro-1(2H)-pyridinecarboxylate (130 mg) in dioxane (5.0 mL) at room temperature. The reaction mixture was concentrated in vacuo to give the crude product (69.8 mg) which used in the next reaction without further purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06727264B1
Source datasetuspto-grants-2004_04
ORD IDord-5630d0787e4d4159b9802094f0b586c5
Source noteuspto-grants-2004_04