Complexes of gold,silver and copper with the azine diphosphine Z,Z-PPh2CH2CBut=N-N=C(But)CH2PPh2 have been prepared and shown to contain the diphosphine in an unusual nine-membered chelate ring; the crystal structure of ...

Reaction of B20H16 with [ReH5(PMe2Ph)3]yields the twenty-one-vertex metallaborane [(PMe2Ph)3HReB20H15Ph-(PHMe2)] which consists of a closo twelve-vertex {B12} unit and a nido eleven-vertex {B11} unit fused with a common ...