Bi(OTf)3-Catalyzed Tandem Meyer–Schuster Rearrangement and 1,4-Addition to the Resulting Vinyl Ketone
摘要:
Bi(OTf)(3)-catalyzed Meyer-Schuster rearrangement of electron-rich propargyl alcohols, followed by 1,4-addition of the resulting vinyl ketone, proceeded smoothly though Meyer-Schuster rearrangement of primary propargyl alcohols is rare. This tandem reaction can be extended to an intramolecular version, featuring a one-pot dihydroquinolone synthesis.