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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 34704Generated: October 29, 2026

4-[alpha-(2,4-Ditert.-pentylphenoxy)-butyroyl]-6-benzyloxy-7-nitro-1,4-benzoxazine-3-one → 4-[alpha-(2,4-Ditert.-pentylphenoxy)-butyroyl]6-hydroxy-7-amino-1,4-benzoxazine-3-one

https://huagongshe.com/reaction/34704

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-[alpha-(2,4-Ditert.-pentylphenoxy)-butyroyl]-6-benzyloxy-7-nitro-1,4-benzoxazine-3-oneHCID 21298680—
ReactantHCID 178418361HCID 178418361—
CatalystPalladiumHCID 23938—
SolventTetrahydrofuranHCID 8028—
Product4-[alpha-(2,4-Ditert.-pentylphenoxy)-butyroyl]6-hydroxy-7-amino-1,4-benzoxazine-3-oneHCID 21298675—

Reaction Steps

The nitro compound ((f), 8.19 g, 0.0136 mole) in THF (ml 100) was reduced and debenzylated under 25 PSI hydrogen pressure at room temperature in the presence of 10% Pd on charcoal. The resulting amine (g) was not isolated.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04762925
Source datasetuspto-grants-1988_08
ORD IDord-ea4052d7a95f44e4b5f1ed5285bed7eb
Source noteuspto-grants-1988_08