摘要
缩醛或缩酮是一类香料,本文报道了Z二醇或1,2一丙二醇在环已烷为溶剂,对甲苯磺酸存在下回流反应90分钟,与醛或酮的羰基反应生成缩醛或缩酮。
Acetals or Ketals are a kind of flavouring. This paper reports glycol or 1,2-propanediol reacted with the Carbonyl group of aldehydes or ketones in the presence of ptoluene sulphonic acid using cyclohexance as solvent were heated for 9omin at refluxing temperature to yield acetals or ketals.
出处
《益阳师专学报》
1996年第6期50-53,共4页
Journal of Yiyang Teachers College
关键词
缩醛
缩酮
合成
催化
对甲苯磺酸
acetal
ketal
synthesis
catalysis
P-toluene sulphonic acid