Terpenoids. Part 39. Total synthesis of gibberellins A15 and A37
Abstract
The total synthesis of gibberllins A15(2) and A37(3), in which ent-3β,20-epoxy-3-methoxy-16α-tetrahydropyran-2-yloxy-17-norkauran-6α-ol (4) was an important intermediate, is reported.