Shedding light on azides: [Ru(TPP)CO] (TPP=tetraphenyl porphyrin dianion), white light and O 2 were found to be a suitable catalyst combination to perform the annulation of several biaryl azides (see scheme). The high chemoselectivity of the process allows the synthesis of phenanthridines and dihydrophenanthridines in good yield and purity.
[Ru(TPP)CO]-Catalysed Intramolecular Benzylic C-H Bond Amination, Affording Phenanthridine and Dihydrophenanthridine Derivatives / D. Intrieri, M. Mariani, A. Caselli, F. Ragaini, E. Gallo. - In: CHEMISTRY-A EUROPEAN JOURNAL. - ISSN 0947-6539. - 18:34(2012 Aug 20), pp. 10487-10490.
[Ru(TPP)CO]-Catalysed Intramolecular Benzylic C-H Bond Amination, Affording Phenanthridine and Dihydrophenanthridine Derivatives
D. IntrieriPrimo
;M. MarianiSecondo
;A. Caselli;F. RagainiPenultimo
;E. GalloUltimo
2012
Abstract
Shedding light on azides: [Ru(TPP)CO] (TPP=tetraphenyl porphyrin dianion), white light and O 2 were found to be a suitable catalyst combination to perform the annulation of several biaryl azides (see scheme). The high chemoselectivity of the process allows the synthesis of phenanthridines and dihydrophenanthridines in good yield and purity.
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