An improved process for the metathesis of alkenyl esters utilizing substantially reduced catalyst levels is provided. For the process, an alkenyl ester of the formula
where R is hydrogen or alkyl, R* is tertiary alkyl or an ,aromatic group, and n is an integer from 2 to 20 is reacted with a tungsten hexachloride/tetraalkyltin catalyst.
本发明提供了一种利用大幅降低的催化剂
水平进行烯基酯偏析的改进工艺。在该工艺中,烯基酯的
化学式为
其中 R 是氢或烷基,R* 是叔烷基或芳香基团,n 是 2 至 20 的整数,与
六氯化钨/四烷基
锡催化剂反应。