Synthesis of Furo[2,3b]furans and Furo[2,3b]pyrans via Rhodium-Catalyzed Tandem Hydroformylation/Acetalization
摘要:
GRAPHICSRhodium-catalyzed tandem hydroformylation/acetalization of alpha,omega-alkenediols gives facile access to perhydrofuro[2,3b]furans and perhydrofuro[2,3b]pyrans in good yields. Similarly, benzoannelated tetrahydrofuro[2,3b]furans are obtained by hydroformylation of o-hydroxy cinnamyl alcohols.