甲基锂 、 1-(1-cyclopenten-1-yl)-3-methyl-1(E)-hexen-5-yn-3-ol 、
methyl 7-(5-oxo-3R-[(triethylsilyl)-oxy]-1-cyclopenten-1-yl)-4Z-heptenoate 生成 methyl 7-{2β-[6-(1-cyclopenten-1-yl)-4-hydroxy-4-methyl-1(E)-hexenyl]-3α-hydroxy-5-oxo-(1R)-1α-cyclopentyl}-4(Z)-heptenoate