US 7,396,952 B2 · Process for preparing carbamic ester derivatives

Abstract

An improved process for preparing carbamic ester derivatives of the general formula (1) by reaction with carbon monoxide and water in the presence of a palladium catalyst is provided.

Claims1

Dependent claims

The Compound of the formula (2″)

Dependencies are inferred from the claim text.

Facts

Application

11/295,394Filed 6 Dec 2005

Priority

DE 10 2004 059 47010 Dec 2004

Published

US 2007/0232825 A14 Oct 2007

Granted

8 Jul 2008

Term ends

Not estimatedThe source records don’t support an estimate.

Classification6 codes

C07D 265/26
With hetero atoms directly attached in positions 2 and 4: two oxygen atoms, e.g. isatoic anhydride
C07C 269/02
Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups [IMAGE cpc-sch-C07C-0964.gif], the nitrogen atom not…:…
C07C 269/06
Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups [IMAGE cpc-sch-C07C-0964.gif], the nitrogen atom not…: by…
C07C 271/28
With the nitrogen atom of at least one of the carbamate groups bound to a carbon atom of a six-membered aromatic ring: to a carbon atom of a…

Abstract

An improved process for preparing carbamic ester derivatives of the general formula (1) by reaction with carbon monoxide and water in the presence of a palladium catalyst is provided.

Process for preparing carbamic ester derivatives

Life of this patent

Abstract

Claims1

Process for preparing carbamic ester derivatives

Life of this patent

Abstract

Claims1