(Z)-(6R,7R)-6-Hydroxy-7-methyl-8-((2R,3S,4R,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yl)-oct-4-enoic acid 、
(E)-(6R,7R)-6-Hydroxy-7-methyl-8-((2R,3S,4R,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yl)-oct-4-enoic acid 在
溶剂黄146 作用下,
生成 (S)-5-[(1S,2R,3R)-1,2-Dihydroxy-3-methyl-4-((2R,3S,4R,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yl)-butyl]-dihydro-furan-2-one 、
(S)-5-[(1R,2S,3S)-1,2-Dihydroxy-3-methyl-4-((2S,3R,4S,5S,6S)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yl)-butyl]-dihydro-furan-2-one