Brackemeyer D., Hervé A., Schulte To Brinke C., Jahnke M. C., Hahn F. E.
Research article (journal)
Purine nucleobases are excellent ligands for metal ions, forming normally coordinative Werner-type bonds by utilizing the N donor atoms of the nucleobase skeleton. Here we show that purines such as 8-chlorocaffeine and 8-bromo-9-methyladenine react with [Pt(PPh3)4] under oxidative addition of the C8-halogen bond to the metal center. The resulting PtII complexes feature a C8-bound ylidene ligand. Protonation of the ylidene at the N7/9-atom yields complexes bearing a protic N-heterocyclic carbene ligand derived from the purine base with an NMe,NH-substitution pattern. © 2014 American Chemical Society.
Publisher:
Pages: 4
Release year: 2014
Publishing company: American Chemical Society
Language in which the publication is written: English
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