Thermal, four-carbon + three-carbon cycloaddition reaction of cyclopropenone ketals. Total synthesis of deacetamidocolchiceine: formal total synthesis of colchicine
Thermal, four-carbon + three-carbon cycloaddition reaction of cyclopropenone ketals. Total synthesis of deacetamidocolchiceine: formal total synthesis of colchicine
Thermal reactions of cyclopropenone ketals. Application of the cycloaddition reactions of delocalized singlet vinylcarbenes: three-carbon 1,1-/1,3-dipoles. An alternative synthesis of deacetamidocolchiceine: formal total synthesis of colchicine