Synthesis of chiral hexacyclic steroids via [8π + 2π] cycloaddition of diazafulvenium methides
2015 ◽
Vol 13
(34)
◽
pp. 9127-9139
◽
16-Dehydropregnenolone acetate reacted with diazafulvenium methides to afford novel chiral 4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-fused steroids.