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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 29863Generated: October 29, 2026

Hydrazine hydrate (1:1) → 3-[2-(4-Aminophenyl)ethyl]-8-benzyl-1-propylxanthine

https://huagongshe.com/reaction/29863

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazine hydrate (1:1)HCID 24654—
Reactant8-Benzyl-3-[2-(4-nitrophenyl)ethyl]-1-propylxanthineHCID 10365571—
ReactantHCID 178418361HCID 178418361—
CatalystPalladiumHCID 23938—
Product3-[2-(4-Aminophenyl)ethyl]-8-benzyl-1-propylxanthineHCID 9909146—

Reaction Steps

By methods well known in the art, 8-benzyl-3-[2-(4-nitrophenyl)ethyl]-1-propylxanthine (9) is reduced with hydrazine hydrate or hydrogen gas in the presence of a palladium catalyst to yield 3-[2-(4-aminophenyl)ethyl]-8-benzyl-1-propylxanthine.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07423041B2
Source datasetuspto-grants-2008_09
ORD IDord-b8e5a392a1284771a205938f5e5be545
Source noteuspto-grants-2008_09