Ultrasound accelerated esterification of palmitic acid with vitamin C
Wen Bin; Eli Wumanjiang; Xue Qunji; Dong Xin; Liu Weimin
2007
发表期刊Ultrasonics Sonochemistry
ISSN13504177
卷号14期号:2页码:213-218
摘要The esterification of palmitic acid with vitamin C in the presence of concentrated sulfuric acid as the solvent and catalyst by means of 25 kHz ultrasonic irradiation to obtain l-ascorbyl 6-palmitate is studied. By using ultrasound the dissolution rate of the reactants can be accelerated greatly, the reaction time of esterification can be reduced from 36 to 2 h, and better yield (90-93%) of ester can be given by using 95% concentrated sulfuric acid as the solvent and catalyst, contrast to the yield of 75-85% by using 99% concentrated sulfuric acid without ultrasound. The influence of reaction conditions and ultrasonic parameters to the yield of ascorbyl palmitate are reported. © 2006 Elsevier B.V. All rights reserved.
关键词Acceleration Of Reaction L-ascorbyl 6-palmitate Esterification Synthetic Technology Ultrasound
DOI10.1016/j.ultsonch.2006.02.003
收录类别SCI
WOS记录号WOS:000241547800019
引用统计
文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/2077
专题新疆维吾尔自治区精细化工工程技术研究中心
作者单位Chinese Acad Sci, XinJiang Tech Inst Phys & Chem, Urumqi 830011, Peoples R China;Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China
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Wen Bin,Eli Wumanjiang,Xue Qunji,et al. Ultrasound accelerated esterification of palmitic acid with vitamin C[J]. Ultrasonics Sonochemistry,2007,14(2):213-218.
APA Wen Bin,Eli Wumanjiang,Xue Qunji,Dong Xin,&Liu Weimin.(2007).Ultrasound accelerated esterification of palmitic acid with vitamin C.Ultrasonics Sonochemistry,14(2),213-218.
MLA Wen Bin,et al."Ultrasound accelerated esterification of palmitic acid with vitamin C".Ultrasonics Sonochemistry 14.2(2007):213-218.
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