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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 652403Generated: October 30, 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/652403

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 numberUS04672013
Source datasetuspto-grants-1987_06
ORD IDord-26e71cb3be014b27babe6e2d23248a13
Source noteuspto-grants-1987_06