Rhodium-Catalyzed Intramolecular Cyclization of Naphthol- or Phenol-Linked 1,6-Enynes Through the Cleavage and Formation of sp<sup>2</sup>CO Bonds
作者:Norifumi Sakiyama、Keiichi Noguchi、Ken Tanaka
DOI:10.1002/anie.201201186
日期:2012.6.11
Put a ring on it: A cationic rhodium(I)/binap complex catalyzes the intramolecularcyclization reactions of naphthol‐ or phenol‐linked 1,6‐enynes to produce vinylnaphtho‐ or vinylbenzofurans and vinylnaphtho‐ or vinylbenzopyrans through the cleavage and formation of sp2 CO bonds. Mechanistic studies imply that the present cyclization reactions proceed through β‐oxygen elimination from cationic rhodacycle