The Knoevenagel condensation of armatic aldehydes and malononitrile or cyanacetic ester is carried out by DMF as solvent without catalyst.The process gives high yields of products.

• 本文报道了无外加催化剂条件下以DMF为溶剂芳香醛与丙二腈或氰基乙酸乙醇进行克脑文盖尔缩合反应,此法产率较高。