The stereoselectivity of ketal Claisen rearrangements with ketals of simple cyclic ketones
作者:G.William Daub、David A Griffith
DOI:10.1016/s0040-4039(00)87795-3
日期:1986.1
Claisen rearrangements of the ketals of cyclopentanone, cyclohexanone and cycloheptanone give mixtures of and products favoring the isomer by as much as 19:1. The selectivity is attenuated by enolization processes in the 5- and 6-membered ring systems.