Abstract
A new rhenium carbonyl complex, exo-(η5-C20H17)Re(CO)3 (3), containing a corannulene-derived ligand has been synthesized in 12% yield. The X-ray structure determination of 3 shows that the rhenium center is bound to the exo face of the bowl-shaped ligand. The reaction of 3 with PPh3 in benzene at 70 °C produces trans,mer-Re(H)(PPh3)2(CO)3 and C20H16 (4), a bowl-shaped dibenzofulvene type molecule. The reaction of 3 with PPh3 proceeds via an η5-η3-η1 ring slip followed by a β-hydride elimination.
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