P([O-])([O-])[O-].[C:5]([O:8][CH2:9]/[CH:10]=[CH:11]\[CH2:12][O:13][C:14](=[O:16])[CH3:15])(=O)[CH3:6].[CH2:17](O)[CH2:18]CC.C(OC(OCCCC)=CCC)CCC>[Pd]>[C:14]([O:13][CH2:12][CH2:11][CH2:10][CH2:9][O:8][CH:5]=[CH:6][CH2:17][CH3:18])(=[O:16])[CH3:15]The reaction was carried out by adding 0.0020 g (0.0040 mmol) of trisdibenzylideneacetone dipalladium having a palladium content of 21.5 wt % and 0.0173 g (0.0162 mmol) of the above (L-6) bidentate phosphite in an amount of 4 equivalents to a container substituted with nitrogen, adding 1.418 g (8.233 mmol) of cis-1,4-diacetoxy-2-butene and 2.327 g (31.395 mmol) of 1-butanol thereto under nitrogen atmosphere, and heating the resultant mixture at 100° C. After reacting 5 hours, the resultant solution composition was analyzed by gas chromatography, and it was found that cis-1,4-diacetoxy-2-butene was converted at a conversion rate of 97.5%, and 71.8% of dibutoxybutene and 25.7% of acetoxybutoxybutene were produced.
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