https://dmf0.com/spatial-along....-with-temporal-varia
These substances generally contain 9 stereocenters distribute over a common (2Z,4S)-4-acetoxy-2-butenamide fragment, an (all-cis)-2,3,5,6-tetrasubstituted tetrahydropyran fragment and a terminal oxane ring accompanied by a dienyl string. As a result of the impressive antitumor properties of the substances, along with their complex framework, a number of complete syntheses have-been reported. This analysis wi