US 2002/0002307 A1Published application

Process for the selective N-formylation of N-hydroxylamines

AssigneeAbbott Laboratories

InventorsDavid R. Hill, Chi-Nung Hsiao, Ravi Kurukulasuriya, Steve Wittenberger

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Abstract

The instant invention provides a process for the selective N-formylation of N-hydroxylamines.

Claims11

Dependent claims

A process for the conversion of an N-hydroxylamine to an N-hydroxyformamide comprising reacting the N-hydroxylamine with 2,2,2-trifluoroethylformate in an optionally buffered solvent.

Dependencies are inferred from the claim text.

Facts

Application: 09/822,945Filed 30 Mar 2001
Priority: 31 Mar 2000
Published: 3 Jan 2002
Term ends: Not estimatedThe source records don’t support an estimate.

Classification5 codes

C07C 259/06
Without replacement of the other oxygen atom of the carboxyl group, e.g. hydroxamic acids: having carbon atoms of hydroxamic groups bound to…
C07D 233/74
Two oxygen atoms, e.g. hydantoin: with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to other ring members
C07D 317/28
With substituted hydrocarbon radicals attached to ring carbon atoms: radicals substituted by nitrogen atoms
C07C
Acyclic or carbocyclic compounds

Family

Application60/193,973Us provisional application · filed 31 Mar 2000
Application60/261,640Us provisional application · filed 12 Jan 2001
US 6,350,902 B2Related patent
US 2002/0002307 A1This patent

From the US filing history. Foreign family members aren’t listed.

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