(S,Z)-5-((2R,3R,6R)-2-methyl-6-((E)-3-methylpenta-2,4-dienyl)-tetrahydro-2H-pyran-3-ylamino)-5-oxopent-3-en-2-yl acetate 、
(3R,4R,5R,7S)-5-ethenyl-7-methyl-1,6-dioxaspiro[2.5]octan-4-ol 在
RuCl2(1,3-dimesityl-imidazolidin-2-yl)(PCy3)(=CHPh) 作用下,
以50%的产率得到FR901464