The 1:1 reactive intermediates produced in the reaction between alkyl isocyanides and dialkyl acetylenedicarboxylates were trapped with N-aryl-2,2,2-trichloroacetamides. When the aryl group was 1-naphthyl, two products were obtained in nearly 2:1 ratio.
在烷基异
氰化物和二烷基
乙炔二
羧酸酯之间的反应中产生的1:1反应中间体被N-芳基-2,2,2-三
氯乙酰胺捕获。当芳基为1-
萘基时,几乎以2:1的比例得到两种产物。