、
sodium thiophenolate 以
甲醇 为溶剂,
以12%的产率得到methyl (2R)-3-[(2S,6R,8S,11R)-2-[(E,2R)-4-[(2S,2'R,3S,4aR,6R,8aR)-2-[(1S,3S)-1-hydroxy-3-[(2S,3R,6S)-3-methyl-1,7-dioxaspiro[5.5]undecan-2-yl]butyl]-4-oxo-3-(phenylsulfanylmethyl)spiro[2,3,4a,7,8,8a-hexahydropyrano[3,2-b]pyran-6,5'-oxolane]-2'-yl]but-3-en-2-yl]-11-hydroxy-4-methyl-1,7-dioxaspiro[5.5]undec-4-en-8-yl]-2-hydroxy-2-methylpropanoate