Journal Article Synthesis of Fused Furans and Thiophenes via Ruthenium-Catalyzed Atom-Transfer [2+2+1] Cycloadditions of α,ω-Diynes

Yamamoto, Yoshihiko

28 ( 11 )  , pp.1250 - 1257 , 2017-07 , Georg Thieme Verlag
Furans and thiophenes are important five-membered heterocyclic compounds that are found in natural products, functional materials, and pharmaceutics. This account outlines our studies on ruthenium-catalyzed atom-transfer [2+2+1] cycloadditions toward the synthesis of fused furans and thiophenes.1.Introduction; 2.Synthesis of Furans using Dimethyl Sulfoxide as the Oxygen ­Donor; 3.Synthesis of 2-Silylfurans Using Nitrones as Oxygen Donors; 4.Synthesis of Thiophenes Using Thiocarbonyls as Sulfur Donors; 5.Conclusions

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