Abstract
Norbornadiene (NBD) is more easily displaced from PtMe 2 (NBD) by other ligands than is cyclooctadiene (COD) from PtMe 2 (COD). cis-PtMe 2L 2 (L = py, 1 2 tmen, 1 2 en, NH 3, DMSO) have been prepared in this way. cis-PtMe 2py 2 is very reactive toward oxidative addition. Pyridine can usually be removed from the platinum(IV) products using acid. NBD is even more readily displaced from Pt(CF 3) 2 (NBD), giving cis-Pt(CF 3) 2L 2 (L = py, 1 2 tmen, 1 2 en, NH 3, DMSO, NCR, DMF, CN −, I −, acac −). cis-Pt(CF 3) 2py 2 with CF 2I gives fac-Pt(CF 3) 3py 2I.
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