Reaction of methoxyvinylmethylketone with different amines and aldehydes under Lewis-acid catalysed conditions results in a novel, formal, step-wise [1+2+1+2]-cycloaddition to give dihydropyridine products.
在
路易斯酸催化条件下,甲氧基
乙烯基甲基酮与不同胺和醛的反应,产生了一种新颖的、正式的、逐步的[1+2+1+2]环加成,从而得到
二氢吡啶产品。