a Organic Chemistry Division-I, Indian Institute of Chemical Technology, Hyderabad 500 007, India b Nuclear Magnetic Resonance Division, Indian Institute of Chemical Technology, Hyderabad 500 007, India
Abstract:
The first total synthesis of (−)-diospongin B has been achieved starting from benzaldehyde using chiral allylation, a base catalyzed conjugate addition of an α,β-unsaturated ester and an intramolecular oxy-Michael reaction as the key steps in 16% overall yield.