Salicylaldehyde containing biaryls are efficiently synthesized via an unprecedented amine promoted Diels-Alderretro-Diels-Alder cascade reaction of ynals with 2-pyrones in good yields.The reaction is instrumentally me...Salicylaldehyde containing biaryls are efficiently synthesized via an unprecedented amine promoted Diels-Alderretro-Diels-Alder cascade reaction of ynals with 2-pyrones in good yields.The reaction is instrumentally metalfree,operationally simple and mild,and tolerates a diverse array of functional groups.展开更多
基金The work was supported by the National Natural Science Foundation of China(No.21738002).
文摘Salicylaldehyde containing biaryls are efficiently synthesized via an unprecedented amine promoted Diels-Alderretro-Diels-Alder cascade reaction of ynals with 2-pyrones in good yields.The reaction is instrumentally metalfree,operationally simple and mild,and tolerates a diverse array of functional groups.
