Enzymatic synthesis of caffeic acid phenethyl ester analogues in ionic liquid

被引:40
作者
Kurata, Atsushi [1 ]
Kitamura, Yuki [1 ]
Irie, Shiori [1 ]
Takemoto, Shintaro [1 ]
Akai, Yoshiaki [1 ]
Hirota, Yoshitaka [1 ]
Fujita, Tokio [1 ]
Iwai, Kazuya [2 ]
Furusawa, Mina [2 ]
Kishimoto, Noriaki [1 ]
机构
[1] Kinki Univ, Grad Sch Appl Biol Chem, Nara 6318505, Japan
[2] UCC Ueshima Coffee Co Ltd, R&D Ctr, Takatsuki, Osaka 5690036, Japan
关键词
Caffeic acid phenethyl ester analogue; Ionic liquid; Microbial lipase; Transesterification; Antiproliferative activity; LIPASE-CATALYZED TRANSESTERIFICATION; TRANSFORMATIONS; ANTIOXIDANT; INHIBITORS; APOPTOSIS; PROPOLIS; CELLS;
D O I
10.1016/j.jbiotec.2010.05.007
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
An efficient procedure for transesterification of methyl caffeate was developed to produce caffeic acid phenethyl ester analogues with Candida antarctica lipase B using an ionic liquid, 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide, as a solvent. The system provided 48.8 mM 2-cyclohexylethyl caffeate and 46.9 mM 3-cyclohexylpropyl caffeate with conversion yields of 97.6% and 93.8%, respectively. Reusability of the system was investigated, and the yield of 4-phenylbutyl caffeate was increased from 30.4 to 45.7 mM when the transesterification was carried out under reduced pressure to remove a by-product, methanol. Additionally, we showed that both 2-cyclohexylethyl caffeate and 3-cyclohexylpropyl caffeate exhibit strong antiproliferative activities, which are comparable to that of 5-fluorouracil by MTT assay. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码:133 / 138
页数:6
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