Stabilization of the bis(μ-oxo)dicopper(III) intermediate is achieved by using a bidentate N-donor ligand with pendent indole rings: N,N-bis[(3-indolyl)methyl]N-[(2′-pyridyl)methyl]amine (BIP). The intermediate decomposes to give products arising from N-dealkylation and a product with a spiro ring composed of two indole rings (see scheme). This latter product probably results from a radical-coupling reaction.
|Number of pages||4|
|Journal||Angewandte Chemie - International Edition|
|Publication status||Published - Oct 15 2001|
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