Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... Regiocontrol synthesis of β-trimetylsilyloxy carbonyl compounds through an aldol-grignard elaboration sequence. ... Reaction of carbonyl compounds with α-lithio- or α-halozinc N-methoxy-N-methylamides , followed by silylation and Grignard addition resulted in a regiocontrolled synthesis of β- ...