110950-06-6Relevant articles and documents
THE STEREOSELECTIVITY OF KETAL CLAISEN REARRANGEMENTS WITH KETALS OF SIMPLE CYCLIC KETONES
Daub, G. William,Griffith, David A.
, p. 6311 - 6314 (2007/10/02)
Claisen rearrangements of the ketals of cyclopentanone, cyclohexanone and cycloheptanone give mixtures of syn and anti products favoring the syn isomer by as much as 19:1.The selectivity is attenuated by enolization processes in the 5- and 6-membered ring systems.