Ester reactions which are related to 2022 H2 Chemistry exam reactions

Hi, the Cambridge examiners were thinking about these related reactions which appeared in 2022 H2 Chemistry exam papers. Here is a link to a powerpoint file of keto esters and their related reactions: https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&ved=2ahUKEwj_weez0OH_AhVQxzgGHVXrD-cQFnoECA0QAQ&url=https%3A%2F%2Fwww.vanderbilt.edu%2FAnS%2FChemistry%2FRizzo%2FChem220b%2FCh21.ppt&usg=AOvVaw1p-eFo_Nf13I8fdqclwmgT&opi=89978449