title: One-step formation of fused tetracyclic skeletons from cyclohexene-diynes and carbon monoxide through Rh(I)-catalyzed [2 + 2 + 2 + 1] cycloaddition reaction.
abstract: Rapid construction of 5-7-6-5 fused tetracyclic carbocycles and heterocycles from cyclohexene-diynes and CO has been achieved in one step through a Rh(i)-catalyzed [2 + 2 + 2 + 1] cycloaddition process.
authors.affiliation: Department of Chemistry, State University of New York at Stony Brook, Stony Brook, New York 11794-3400, USA.
authors.forename: Joseph J
authors.initials: JJ
authors.lastname: Kaloko
authors.forename: Yu-Han Gary
authors.initials: YH
authors.lastname: Teng
authors.forename: Iwao
authors.initials: I
authors.lastname: Ojima