Asymmetric total synthesis of ventilanones A and B, two naturally occurring pyranonaphthoquinones from Ventilago harmandiana Pramchai Deelertpaiboon, Sopanat Kongsriprapan, Suppachai Krajangsri, Nolan M. Betterley, Chutima Kuhakarn and Vichai Reutrakul The asymmetric synthesis of pyranonaphthoquinones, namely ventilanone A and ventilanone B isolated from Ventilago harmandiana, was accomplished in 14 and 8 steps, respectively, employing L-rhamnose and … Continue reading Asymmetric total synthesis of ventilanones A and B, two naturally occurring pyranonaphthoquinones from Ventilago harmandiana