A new synthetic method for methyl dihydrojasmonate from a butadiene telomer.
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概要
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Ethyl 2-acetyl-4, 9-decadienoate, easily obtained by the palladium catalyzed telomerization of butadiene with ethyl acetoacetate, was selectively hydrogenated to ethyl 2-acetyl-9-decenoate using RuCl<SUB>2</SUB> (PPh<SUB>3</SUB>)<SUB>3</SUB> as a catalyst. Deacetylation, followed by hydrolysis produced 4-decenoic acid, which was converted into acid chloride. The AlCl<SUB>3</SUB>-promoted cyclization gave 2-pentyl-2-cyclopentenone, from which methyl dihydrojasmonate was prepared.
- 公益社団法人 日本化学会の論文
著者
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Tsuji Jiro
Tokyo Institute of Technology
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Takahashi Takashi
Tokyo Institute Of Technology
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Kasuga Kazuyuki
Tokyo Institute of Technology
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