Reaction of hetarylacetonitriles 1 with ethyl esters of chloro- or bromo-substituted pyridinecarboxylic acids in the presence of a base affords a series of novel heterocycle-annelated [1,6]-, [2,6]-, and [2,7]naphthyridones with a bridgehead nitrogen atom.
在碱的存在下,杂芳基
乙腈1与
氯或
溴取代的
吡啶羧酸的
乙酯反应,得到一系列新颖的杂环退火的[1,6]-,[2,6]-和[2,7]带有桥头氮原子的
萘啶酮。