Phyllanthoside-Phyllanthostatin synthetic studies. 6. An augmented spiroketalization tactic for the total synthesis of phyllanthocin
作者:Amos B. Smith、James R. Empfield、Henry A. Vaccaro
DOI:10.1016/s0040-4039(00)70688-5
日期:1989.1
An enhanced spiroketalization maneuver permitting equilibration at both the C(8) and C(11) centers of spiroketals 17a,b leads to a more concise and efficient synthesis of phyllanthocin (i.e., 21 steps, 5.6% overall yield).