Cytorhizophins A and B, benzophenone-hemiterpene adducts from the endophytic fungus <i>Cytospora rhizophorae</i>

Abstract

(±)-Cytorhizophin A and cytorhizophin B (<bold>2</bold>), novel benzophenone-hemiterpene conjugated hetero-dimers featuring an unprecedented 6/7/6/7 tetracyclic fused ring system.