1-Chloro-N,N-2-trimethylpropenylamine acts as a reagent in the synthesis and antitumor activity of (-)-bassianolide in human cancer cells through cell cycle arrest. Enantioselective total synthesis of nannocystins A and A0 as elongation factor 1 inhibitors. Total synthesis of (-)-caprazamycin A with antibacterial activity against Mycobacterium tuberculosis (TB) via diastereoselective aldol reaction.