[EN] MONOCYCLIC AROYLPYRIDINONES AS ANTIINFLAMMATORY AGENTS<br/>[FR] AROYLPYRIDINONES MONOCYCLIQUES TENANT LIEU D'AGENTS ANTI-INFLAMMATOIRES
申请人:BAYER AG
公开号:WO2003076405A1
公开(公告)日:2003-09-18
The present invention relates to monocyclic aroylpyridinones, processes for their preparation, and their use in medicaments, especially for the treatment of COPD: (formula I).
Synthetic Access to α-Oxoketene Aminals by the Nucleophilic Addition of Enol Silane-Derived Palladium(II) Enolates to Carbodiimides
作者:Subba Rao Polimera、Andivelu Ilangovan、Nicholas A. Meanwell、Murugaiah A. M. Subbaiah
DOI:10.1021/acs.joc.2c02107
日期:2022.11.4
Synthetically important α-oxoketene aminal intermediates can now be accessed from readily available and inexpensive carbodiimides as starting materials via the nucleophilic addition of palladium enolates derived from enol silane precursors. This operationally simple method features mild reaction conditions, including open air atmosphere, ligand-free metal catalysis, broad substrate scope, and multi-gram
MONOCYCLIC AROYLPYRIDINONES AS ANTIINFLAMMATORY AGENTS
申请人:Bayer Aktiengesellschaft
公开号:EP1487794A1
公开(公告)日:2004-12-22
Copper-Catalyzed Formal Carbene Migratory Insertion into Internal Olefinic C═C Bonds with <i>N</i>-Tosylhydrazones To Access Iminofuran and 2(3<i>H</i>)-Furanone Derivatives
α-oxo ketene N,S-acetals, has been achieved by means of N-tosylhydrazones of ketones as the carbene precursors. Iminofuran derivatives were obtained and further transformed to the corresponding 2(3H)-furanones and 4-oxobutanoates (γ-ketoesters), respectively, under mild conditions. In a similar fashion, α-thioxo ketene N,S-acetals reacted with N-tosylhydrazones of ketones to afford iminothiophenes. It
Monocyclic aroylpyridinones as antiinflammatory agents
申请人:Alonso-Alija Cristina
公开号:US20060046999A1
公开(公告)日:2006-03-02
The present invention relates to monocyclic aroylpyridinones, processes for their preparation, and their use in medicaments, especially for the treatment of COPD: (formula I).