"Iridium-Promoted Reactions of Carbon-Carbon Bonds. Skeletal Rearrangement of a Vinylcyclopropene During iridacyclohexadiene Formation and Subsequent Isomerization of Iridicyclohexadienes via &alpha,&alpha'-Substituent Migrations," R. P. Hughes, H. A. Trujillo, J. W. Egan, Jr.; A. L. Rheingold, J. Am. Chem. Soc., 122, 2000, 2261.
"Tandem 1,3-dipolar Cycloadditions of Mesoionic 2,4-Diphenyl-1,3-oxathiolium-5-olate with Cycloocta-1,5-diene. A New Synthesis of the Tetracyclo[6.2.0(4,10)0(5,9)] decane Ring System," W. R. Spohnoltz III, H. A. Trujillo, G. W. Gribble, Tetrahedron Lett., 41, 2000,, 1687.
"Regioselective 1,3-Dipolar Cycloaddition Reactions of Unsymmetrical Munchnones (1,3-Oxazolium-5-olates) with 2- and 3-Nitroindoles Giving Pyrrolo[3,4-b]indoles," G. W. Gribble, E. T. Pelkey, W. M. Simon, H. A. Trujillo, Tetrahedron, 2000, 10133.