SEARCH Articles Figures Tables Acetals rearrangement Claisen ketene Claisen rearrangement ketene acetal Claisen rearrangements ketenes Keten acetal Ketene acetal Ketene acetals rearrangement Ketene rearrangement Ketenes acetals Ketenes rearrangement Ketenes silyl acetals Silyl acetate Silyl ketene acetals Silyl ketene acetals rearrangement Silyl ketene acetals, Claisen rearrangement Silyl ketenes