(2R)-3-[[3-[(1S,2S,4aR,6S,8aS)-2,6-dimethyl-1,2,4a,5,6,7,8,8a-octahydronaphthalen-1-yl]-3-oxopropanoyl]-[(4-methoxyphenyl)methoxy]amino]-2-[(1S,2R,5S,6R)-2,5-bis[[tert-butyl(dimethyl)silyl]oxy]-7-oxabicyclo[4.1.0]heptan-2-yl]propanoic acid 在
samarium diiodide 、
三氯溴甲烷 、 (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate 、
1,8-二氮杂双环[5.4.0]十一碳-7-烯 、
四甲基胍 作用下,
以
四氢呋喃 、
二氯甲烷 为溶剂,
生成 5-[(1S,2R,5S,6R)-2,5-Bis-(tert-butyl-dimethyl-silanyloxy)-7-oxa-bicyclo[4.1.0]hept-2-yl]-3-((1S,2S,4aR,6S,8aS)-2,6-dimethyl-1,2,4a,5,6,7,8,8a-octahydro-naphthalene-1-carbonyl)-4-hydroxy-1H-pyridin-2-one