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KMID : 0903520050480030292
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
2005 Volume.48 No. 3 p.292 ~ p.295
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Synthesis of Methyl 3-methyloctanoate, the Key Perfume Component of African Orchid Aerangis confusa
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Kim Hyun-Ok
Kim Young-Ju
Kim Bieong-Kil
Seu Young-Bae
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Abstract
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Synthesis of methyl 3-methyloctanoate, a perfume component isolated from African orchid Aerangis confusa (or Aerangis kirkii) was achieved starting from itaconic acid in 9 steps. Itaconic acid is one of the cheapest organic compounds which is the fermentation product of microorganism Asp. terreus. As the key intermediate, 2-methyl-1,4-butanediol 4-acetate was obtained through the enzymatic regioselective hydrolysis of 2-methyl-1,4-butanediol diacetate with lipase. After Grignard reaction and oxidation, 3-methyloctanoic acid was obtained and converted to the various corresponding scented esters with a variety of alkyl alcohols, and the resulting fragrancy esters are expected to be utilized as the aroma additive materials in cosmetics, drinks and foods.
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KEYWORD
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orchid, perfume, methyl 3-methyloctanoate, itaconic acid, scent ester, aroma
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