Citation:
SHEN Fang, LIANG Jing-Juan, LIU Xiong-Min. Lipase-catalyzed Synthesis of Cyclopentadecanolide from Methyl ω-Hydroxy-pentadecanate[J]. Chinese Journal of Applied Chemistry,
;2007, 24(1): 63-66.
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One kind of screened lipase from Candida sp.CXU08 was used as a catalyst to synthesize cyclopen-tadecanolide.Methyl ω-hydroxy-pentadecanate was used as the substrate.The effects of activity of lipase, time of reaction, temperature, pH, dielectric constant of organic solvent etc on the conversion of ω-hydroxy-pentadecanate were studied.The results indicate that GXU08 has a good specificity and no cyclononalide, cyclotridecanolide or other polymers were found.Under the optimum reaction conditions: 40℃, 180 r/min, pH=6.0, activity of lipase 1 245 U, 72 h, the conversion is 17% in cyclohexane.
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