166956-53-2Relevant articles and documents
A Tandem Cyclization-Onium Ylide Rearrangement-Cycloaddition Sequence for the Synthesis of Benzo-Substituted Cyclopentenones
Padwa, Albert,Kassir, Jamal M.,Semones, Mark A.,Weingarten, M.David
, p. 53 - 62 (2007/10/02)
A new annulation sequence leading to benzo-substituted cyclopentenones is effected by treating o-alkynyl-substituted α-diazoacetophenones containing tethered heteroatoms with Rh(II) carboxylates.The reaction involves addition of the initially formed keto