SINTESIS ETIL FERULAT DAN BUTIL FERULAT MELALUI REAKSI ESTERIFIKASI FISCHER MENGGGUNAKAN IRADIASI GELOMBANG MIKRO
SYNTHESIS OF ETHYL FERULATE AND BUTYL FERULATE BY FISCHER ESTERIFICATION UNDER MICROWAVE IRRADIATION Risa Umami Putri Ferulic acid is known to have activity as an antioxidant. To increase its antioxidant potential, a modification was done through Fischer esterification reaction to turn ferulic...
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| Format: | Theses and Dissertations NonPeerReviewed |
| Language: | Indonesian Indonesian |
| Published: |
2016
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| Subjects: | |
| Online Access: | http://repository.unair.ac.id/56144/1/FF.%20KF.%2020-16%20Put%20s%20abstrak.pdf http://repository.unair.ac.id/56144/2/FF.%20KF.%2020-16%20Put%20s.pdf http://repository.unair.ac.id/56144/ http://lib.unair.ac.id |
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| Institution: | Universitas Airlangga |
| Language: | Indonesian Indonesian |
| Summary: | SYNTHESIS OF ETHYL FERULATE AND BUTYL
FERULATE BY FISCHER ESTERIFICATION UNDER
MICROWAVE IRRADIATION
Risa Umami Putri
Ferulic acid is known to have activity as an antioxidant.
To increase its antioxidant potential, a modification was done
through Fischer esterification reaction to turn ferulic acid structure
into ethyl and butyl ferulate compounds. Both of these compounds
were then synthesized using microwave irradiation. The microwave
radiation was estimated to cause the compounds collision and heat
production which lead to the quicker reaction and increasing yield.
Ethyl and butyl ferulate were formed from ferulic acid and two
alcohols with different lengths of carbon chains, namely ethanol and
n-buthanol. So, the percentage difference between both compounds’
yields was observed based on each of their steric effects. The results
of the syntheses were purified using column chromatography tested
further using TLC test, FT-IR spectrophotometry, UV-Vis
spectrophotometry, and1HNMR spectroscopy. The overall results of
this study concluded that the percentage of ethyl ferulate was
37.6±1.8%, considerably higher than butyl ferulate which was
19.1±2.9%.
Keywords: Ferulic acid, ethyl ferulate, butyl ferulate, Fischer
esterification, microwave irradiation |
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