Manganese??Catalyzed Cleavage of a Carbon–Carbon Single Bond between Carbonyl Carbon and α??Carbon Atoms of Ketones

~97%

~%

~39%

~%

~96%

~52%

~62%

~%

~81%

~%

~96%

~%

~85%

~%

~49%

~%

~93%

~%

~64%

~%

~93%

~%