Palladium-catalyzed cascade ring expansion reaction of 1-(3-methoxycarbonyloxy-1-propynyl)cyclobutanols with phenols
作者:Masahiro Yoshida、Hideo Nemoto、Masataka Ihara
DOI:10.1016/s0040-4039(99)01749-9
日期:1999.12
opynyl)cyclobutanols to cyclo-pentanones on treatment with phenol derivatives is described. This process can be visualized to proceed via nucleophilic attack to allenyl palladium species by phenol, followed by ring expansion reaction of π-allylpalladium complex to form the corresponding cyclopentanone.
描述了用酚衍生物处理时钯催化的1-(3-甲氧基羰基氧基-1-丙炔基)环丁醇到环戊酮的转化。可以看出该过程是通过苯酚对烯丙基钯物质的亲核攻击,然后进行π-烯丙基钯配合物的环扩环反应以形成相应的环戊酮而进行的。