5-(1,2-dihydroxypropyl)-4-methylisobenzofuran-1(3H)-one 、 2-(1-methyl-6-oxo-1,6-dihydropyridazin-3-yl)-2,8-diazaspiro[4.5]decan-1-one 在
十二羰基三钌 、
2-(二环己基膦酰基)-1-苯基-1H-吡咯 作用下,
以
2-甲基-2-丁醇 为溶剂,
反应 60.0h,
生成 8-((1R,2S)-1-hydroxy-1-(4-methyl-1-oxo-1,3-dihydroisobenzofuran-5-yl)propan-2-yl)-2-(1-methyl-6-oxo-1,6-dihydropyridazin-3-yl)-2,8-diazaspiro[4.5]decan-1-one 、 8-((1R,2R)-1-hydroxy-1-(4-methyl-1-oxo-1,3-dihydroisobenzofuran-5-yl)propan-2-yl)-2-(1-methyl-6-oxo-1,6-dihydropyridazin-3-yl)-2,8-diazaspiro[4.5]decan-1-one 、 8-((1S,2S)-1-hydroxy-1-(4-methyl-1-oxo-1,3-dihydroisobenzofuran-5-yl)propan-2-yl)-2-(1-methyl-6-oxo-1,6-dihydropyridazin-3-yl)-2,8-diazaspiro[4.5]decan-1-one