作者:Robert W. Carling、Andrew B. Holmes
DOI:10.1039/c39860000325
日期:——
of the vinyl ketene acetals (7; a, R = CH2OSiPh2 But, or b, R = n-pentyl) which are generated in situ by syn-elimination of the corresponding selenoxides (6a,b) in refluxing xylene gave the eight-membered lactones (8a,b).
乙烯酮缩醛(7; a,R = CH 2 OSiPh 2 Bu t或b,R = n-戊基)的克莱森重排,是通过回流中相应亚硒酸盐(6a,b)的顺式消除作用原位产生的二甲苯得到八元内酯(8a,b)。