Unusual visible-light photolytic cleavage of tertiary amides during the synthesis of cyclolignans related to podophyllotoxin

Kamil Lisiecki, Krzysztof K. Krawczyk, Piotr Roszkowski, Jan K. Maurin, Armand Budzianowski, Zbigniew Czarnocki

Tetrahedron, 
Volume 73, Issue 44, 2 November 2017, Pages 6316-6328
DOI: 10.1016/j.tet.2017.09.021

Keywords:
Lignan, Podophyllotoxin, Photochemistry, Visible-light photolysis, Amide cleavage

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