[CIS-PT(C6F5)(2)(C-CPH)(2)](2-) AS A DOUBLE ALKYNYL TRANSFER REAGENT, SYNTHESIS AND CHARACTERIZATION OF THE IR(III)-PT(II) TWEEZER COMPLEX ([(ETA(5)-C(5)ME(5))(PET(3))IR(C-CPH)(2)]PT(C6F5)(2))
[cis-Pt(C6F5)(2)(C=CPh)(2)](2-) reacts with [Ir(C(5)Me(5))(PEt(3))(Me(2)CO)(2)](ClO4)(2), via a double alkynylation process, yielding {[(eta(5)-C(5)Me(5))(PEt(3))Ir(C=CPh)(2)]Pt(C6F5)(2)} in which the alkynyl groups are sigma bonded to the iridium centre and pi bonded to the platinum one.