7,10-Dideoxy taxol 2 was prepared from baccatin III in 4 steps via the
Barton deoxygenation reaction. Similarly, 7-epi-10-deoxy taxol 3 was
prepared in one step from 7 epi taxol in high yield- The key reaction
was the tributyltin hydride- mediated direct reduction of the C-10 ace
tate.