Metal-Catalyzed [2+2+1] Cycloadditions of 1,3-Dienes,Allenes,and CO

摘要

Step economy is a preeminent goal of synthesis.It influences the length,efficiency,cost,time,separation,and environmental impact of a synthesis.Step economy is favored by the use of single,serial,or multicomponent reactions that proceed in one operation with a great increase in target revelant complexity.