A convenient and stereoselective synthesis of alk-2-enenitriles based on the reaction of readily available S-(β-oxoalkyl)thiophosphates and Se-(β-oxoalkyl)selenophosphates with potassium cyanide in the presence of 18-crown-6 is described.
描述了基于容易获得的S-(β-氧代烷基)
硫代磷酸酯和Se-(β-氧代烷基)
硒代
磷酸酯与
氰化钾在
18-冠-6存在下的反应的烷-2-烯腈的方便和立体选择性合成。