By using 3D representations, rationalize why the deprotonation of ketone (18) with LDA gives the trans-configured enolate (19).

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!70 3 TESO „OMe OMe LDA TBSO" TBSO TESO" ÓTr ÓTr (18) (19) (20) OTBS recall that LDA is Li .N. TESO ОН „OMe TESO" TBSO ÒTr OTBS (21) !70 3 TESO „OMe OMe LDA TBSO" TBSO TESO" ÓTr ÓTr (18) (19) (20) OTBS recall that LDA is Li .N. TESO ОН „OMe TESO" TBSO ÒTr OTBS (21)

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LDA is Lithium diisopropylamide it is a stronger bulkier base always abstract most Acid alpha Hydrog... View the full answer