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Schmid, Matthias; Trauner, Dirk (2017): Biomimetic Synthesis of Complex Flavonoids Isolated from Daemonorops "Dragon's Blood". In: Angewandte Chemie-international Edition, Vol. 56, Nr. 40: S. 12332-12335
Volltext auf 'Open Access LMU' nicht verfügbar.

Abstract

The dragonbloodins are a pair of complex flavonoid trimers that have been isolated from the palm tree Daemonorops draco, one of the sources of the ancient resin known as dragon's blood. We present a short synthesis that clarifies their relative configurations and sheds light on their origin in Nature. This synthesis features biomimetic cascade reactions that involve both ionic and radical intermediates. The biogenetic relationships between dracorhodin, the dracoflavans C, and the dragonbloodinsA1 and A2 are discussed.