(8R,9S,11R,12R)-9,11-Bis(acetoxy)-12-formyl-13,14,15,16,17,18,19,20-octanor-prostanoic Acid Methyl Ester 、
dimethyl 3,3-dimethyl-2-oxo-5-heptynylphosphonate 在
zinc(II) tetrahydroborate 作用下,
生成 (13E)-(9S,11R,15R)-9,11-Bis(acetoxy)-16,16-dimethyl-15-hydroxy-13-prosten-18-ynoic Acid Methyl Ester