New options in directed cupration: Studies in heteroleptic bis(amido)cuprate formation

Different amines are used to give new bis(amido)cuprates that adhere to the structural principles of Gilman dimers, Lipshutz-type dimers and adducts between Gilman and Lipshutz-type monomers. The dimers incorporate heteroleptic bis(amido)cuprate monomers in which the differing orientations of the amides can be rationalized sterically and in terms of CH…Li stabilization.292