有那为高手了解Knoevenagel condensation 反应? condensation of aldehydes or ketones with active methylene compounds in the presence of ammonia or amines; the use of malonic acid and pyridine is known as the doebner modification: base base rcho+h2c(coor)2--------------- rch=c(coor)2------------------------ rch=ch-cooh 可从网站的人名反应中查找。查看更多