Improved Solution- and Solid-Phase Preparation of Hydroxamic Acids from Esters
作者:Chih Y. Ho、Eric Strobel、Janet Ralbovsky、Robert A. Galemmo
DOI:10.1021/jo050036f
日期:2005.6.1
The addition of small amounts of solid KCN to solution and solid-phase esters in THF/MeOH/50% aqueous NH2OH increases the efficiency of their transformation to the corresponding hydroxamicacids.
Preparation of hydroxamic acids from esters in solution and on the solid phase
申请人:Ho Yung Chih
公开号:US20060009658A1
公开(公告)日:2006-01-12
The present invention provides a novel method for the formation of hydroxamic acids comprising reacting under suitable conditions an ester with hydroxylamine in the presence of cyanide anion.
Substituted sulfonamide compounds corresponding to formula I
pharmaceutical compositions comprising them, a process for preparing them, and the use of such compounds to treat or inhibit pain and other disorders or disease states.