Oxidative activation of dihydropyridine amides to reactive acyl donors
作者:Erik Daa Funder、Julie B. Trads、Kurt V. Gothelf
DOI:10.1039/c4ob01931h
日期:——
4-dihydropyridine (DHP) are activated by oxidation for acyltransfer to amines, alcohols and thiols. In the reduced form the DHP amide is stable towards reaction with amines at room temperature. However, upon oxidation with DDQ the acyl donor is activated via a proposed pyridinium intermediate. The activated intermediate reacts with various nucleophiles to give amides, esters, and thio-esters in moderate
Identification of Novel Binding Interactions in the Development of Potent, Selective 2-Naphthamidine Inhibitors of Urokinase. Synthesis, Structural Analysis, and SAR of <i>N</i>-Phenyl Amide 6-Substitution
作者:Michael D. Wendt、Todd W. Rockway、Andrew Geyer、William McClellan、Moshe Weitzberg、Xumiao Zhao、Robert Mantei、Vicki L. Nienaber、Kent Stewart、Vered Klinghofer、Vincent L. Giranda
DOI:10.1021/jm0300072
日期:2004.1.1
relevant serineproteases. Also, some selectivity against trypsin was generated via the interaction with Asp60A. X-ray structures of many of these compounds were used to inform our inhibitordesign and to increase our understanding of key interactions. In combination with our exploration of 8-substitution patterns, we have identified a number of novel binding interactions for uPA inhibitors.
2-Furanylboronic acid has been identified as an inexpensive and effective catalyst for the dehydrative amide formation of carboxylicacids and amines. This transformation can be efficiently carried out at roomtemperature and is applicable to a wide range of carboxylicacids with primary and secondary amines to afford amides in good to excellent yields.