Heterogeneous esterification of fatty acids with methanol catalyzed by Lewis acidic organozirconium complexes with Keggin-type mono-aluminum-substituted polyoxotungstates

Kato Chika Nozaki; Ogasawara Tsukasa; Kondo Akari; Kato Daichi

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Heterogeneous esterification of fatty acids with methanol catalyzed by Lewis acidic organozirconium complexes with Keggin-type mono-aluminum-substituted polyoxotungstates

机译：用Keewin型单铝取代的多氧化甘油酮烷基酸催化用甲醇催化脂肪酸的异质酯化

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摘要

Two Lewis acidic organozirconium complexes with alpha-Keggin-type mono-aluminum-substituted polyoxotungstates, [(n-C4H9)(4)N](6)[alpha-PW11Al(OH)O39ZrCP2](2) (CP =eta(5)-C5H5-) (TBA-P-Al-Zr) and [(n-C4H9)(4)N](6)[alpha-SiW11Al (OH)(2)O38ZrCP2](2)center dot 2H(2)O (TBA-Si-Al-Zr), were used as heterogeneous catalysts for the esterification of various fatty acids with methanol. For the esterification of linoleic acid at 80 +/- 2 degrees C, TBA-P-Al-Zr exhibited 83% conversion after 6 h, approximately six times higher than that of TBA-Si-Al-Zr. TBA-P-Al-Zr also exhibited 69-90% conversion for the esterification of oleic acid, palmitic acid, myristic acid, and lauric acid with methanol at 80 +/- 2 degrees C.

机译：两种Lewis酸性有机锆配合物与α-Keggin型单铝取代多氧钨酸盐[（n-C4H9）（4）n]（6）[alpha-PW11Al（OH）O39ZrCP2]（2）（CP=eta（5）-C5H5-（TBA-P-Al-Zr）和[（n-C4H9）（4）n]（6）[alpha-SiW11Al（OH）（2）O38ZrCP2]（2）中心点2H（2）O（TBA-Si-Al-Zr））用作各种脂肪酸与甲醇酯化反应的非均相催化剂。对于亚油酸在80+/-2℃下的酯化反应，TBA-P-Al-Zr在6小时后表现出83%的转化率，大约是TBA-Si-Al-Zr的六倍。TBA-P-Al-Zr在80+/-2℃下，油酸、棕榈酸、肉豆蔻酸和月桂酸与甲醇的酯化反应也显示出69-90%的转化率。

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来源
《Catalysis Communications》 |2017年第1期|共5页
作者
Kato Chika Nozaki; Ogasawara Tsukasa; Kondo Akari; Kato Daichi;
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作者单位

Shizuoka Univ Dept Chem Fac Sci Suruga Ku 836 Ohya Shizuoka 4228529 Japan;

Shizuoka Univ Dept Chem Fac Sci Suruga Ku 836 Ohya Shizuoka 4228529 Japan;

Shizuoka Univ Dept Chem Fac Sci Suruga Ku 836 Ohya Shizuoka 4228529 Japan;

Shizuoka Univ Dept Chem Fac Sci Suruga Ku 836 Ohya Shizuoka 4228529 Japan;

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正文语种 eng
中图分类物理化学（理论化学）、化学物理学;
关键词
Organozirconium complex; Polyoxometalate; Esterification; Fatty acids; Heterogeneous catalysis;

机译：有机锆络合物;聚毒素;酯化;脂肪酸;异质催化;

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Heterogeneous esterification of fatty acids with methanol catalyzed by Lewis acidic organozirconium complexes with Keggin-type mono-aluminum-substituted polyoxotungstates

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