Aryl amidation routes to dihydropyrrolo[3,2-e]indoles and pyrrolo[3,2-f]tetrahydroquinolines: total synthesis of the (+/-)-CC-1065 CPI subunit.

Michael D Ganton, Michael A Kerr

文献索引：J. Org. Chem. 72(2) , 574-82, (2007)

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摘要

CC-1065 and the related duocarmycins are members of a structurally unique family of naturally occurring molecules and remain some of the most rigorously studied antitumor compounds to date. Herein we describe a total synthesis of the (+/-)-CC-1065 CPI subunit in an overall yield of 9.3% from commercially available 5-fluoro-2-nitrophenol. The key steps of this synthesis are a Diels-Alder reaction of an o-benzoxy-monoimine quinoid and an intramolecular aryl triflate amidation, which formed the pyrrolo[3,2-f]tetrahydroquinoline intermediate en route to CPI.