methyl 3,4-dihydro-2-(4-methoxyphenyl)-6-methyl-2H-pyran-5-carboxylate 、
2,4-二甲基苯硫酚 在
manganese(II) chloride tetrahydrate 、
1-methyl-3-(4-nitrobenzyl)-1H-imidazol-3-ium hexafluorophosphate 、 3-butyl-1-methyl-1H-imidazol-3-ium hexafluorophosphate 作用下,
反应 11.0h,
以85%的产率得到methyl 2-acetyl-5-[(2,4-dimethylphenyl)thio]-5-(4-methoxyphenyl)pentanoate