The Vinylogous Mannich Reaction: An Efficient Access to Substituted Nicotinonitriles
作者:Nikolaus Risch、Andreas Winter
DOI:10.1055/s-2003-42044
日期:——
A straightforward method for the preparation of substituted nicotinonitriles has been developed. Starting from conjugated β-enaminonitriles and iminium salts, this methodology establishes a convenient access to 6-aryl- (5), 6-amino- (16) and 6-carboxylic ester-substituted derivatives 14 and as well to acetic acid-substituted pyrroles 12.
已开发出一种制备取代烟腈的简单方法。从共轭 β-烯氨基腈和亚胺盐开始,该方法建立了对 6-芳基-(5)、6-氨基-(16) 和 6-羧酸酯取代衍生物 14 以及乙酸取代吡咯的便捷访问12.