Palladium-catalyzed ring expansion reaction of (Z)-1-(1,3-butadienyl) cyclobutanols with aryl iodides. Stereospecific synthesis of (Z)-2-(3-aryl-1-propenyl)cyclopentanones

Article abstract of DOI:10.1021/ol049438k

Equation presented. A novel type of cascade ring expansion process has been developed by the palladium-catalyzed reaction of (Z)-1-(1,3-butadienyl) cyclobutanols with aryl iodides. The reaction proceeds in a stereospecific manner to produce (Z)-2-(3-aryl-