Summary /I-Silylated ketones can be converted, by bromination followed by desilylbromination, into ap- unsaturated ketones. ... IN this and the following two papers, we show that a fl-silyl ketone (2) is a masked ap-unsaturated ketone (4) .1 Where- as P-halogeno-, hydroxy-, or amino-ketones undergo elimination on treatment with base, giving ap-unsaturated ketones, a P-silylketone will not ; furthermore, short of dissolving it in ...
