ChemInform Abstract: Organic Syntheses Using Transition Metal Complexes. Part 22. Trimethylenemethane Complexes of Cr, Mo, and W by Novel Methylenation of Allenes with Carbene Complexes; Cyclopentanes by (3 + 2) Cycloaddition of Trimethylenemethane Complexes to Allenes.

Abstract

The trimethylenemethane complexes (III) and (IV) are new C3 building blocks for syntheses involving (3 + 2) cycloadditions.