有机化学 ›› 2024, Vol. 44 ›› Issue (5): 1526-1534.DOI: 10.6023/cjoc202311011 上一篇    下一篇

研究论文

乙基麦芽酚丁二酸双酯的合成、热解及抗氧化研究

于兆锦a,†, 张展b,†, 王海洋a, 王波c, 付光明a, 张瑛a, 杨晓朋a,*(), 董爱君c,*(), 姬小明a,*()   

  1. a 河南农业大学烟草学院 河南省香精香料与调香工程技术研究中心 郑州 450046
    b 河南中烟工业有限责任公司技术中心 郑州 450000
    c 湖北中烟工业有限责任公司技术中心 武汉 430030
  • 收稿日期:2023-11-09 修回日期:2024-01-18 发布日期:2024-02-07
  • 作者简介:
    †共同第一作者
  • 基金资助:
    湖北中烟工业有限责任公司(2021JSXL3JS2C032); 河南农业大学博士科研资金(30501420)

Study on Synthesis, Pyrolysis and Antioxidation of Ethyl Maltol Succinate Diester

Zhaojin Yua,†, Zhan Zhangb,†, Haiyang Wanga, Bo Wangc, Guangming Fua, Ying Zhanga, Xiaopeng Yanga(), Aijun Dongc(), Xiaoming Jia()   

  1. a Flavors and Fragrance Engineering & Technology Research Center of Henan Province, College of Tobacco Science, Henan Agricultural University, Zhengzhou 450046
    b Technology Center, China Tobacco Henan Industrial Co., Ltd., Zhengzhou 450000
    c Technology Center, China Tobacco Hubei Industrial Co., Ltd., Wuhan 430030
  • Received:2023-11-09 Revised:2024-01-18 Published:2024-02-07
  • Contact: *E-mail: xiaopengyang@henau.edu.cn; 19281034@qq.com; xiaomingji@henau.edu.cn
  • About author:
    †These authors contributed equally to this work.
  • Supported by:
    China Tobacco Hubei Industrial Co., Ltd.(2021JSXL3JS2C032); Doctoral Scientific Research Fund of Henan Agricultural University(30501420)

为了开发具有稳定性的焦甜香韵化合物, 以丁二酸酐、香味醇和乙基麦芽酚为原料, 两步法得到9种乙基麦芽酚丁二酸双酯类化合物2-乙基-4-氧代-4H-吡喃-3-基苯乙基丁二酸酯(5a)~2-乙基-4-氧代-4H-吡喃-3-基(2-甲基烯丙基)丁二酸酯(5i), 并对其进行结构鉴定、热稳定性和体外抗氧化性研究. 结果表明, 化合物5a~5i具有焦甜香韵, 同时还兼具其它香韵. 化合物5a和2-乙基-4-氧代-4H-吡喃-3-基丁二酸肉桂酯(5b)最大失重率的温度高于原料的温度, 热解时能产生大量乙基麦芽酚和香味醇等物质. 化合物5a的1,1-二苯基-2-三硝基苯肼(DPPH)和•OH清除能力高于化合物5b~5i和乙基麦芽酚. 综上所述, 化合物5a具有焦甜香韵, 且表现出较高的热稳定性和体外抗氧化能力, 为提高香料的稳定性和拓展其多功能应用开辟了新的途径.

关键词: 乙基麦芽酚, 酯化, 热裂解, 抗氧化, 香料香精

In order to develop burnt sweet fragrance compounds with stability. In this paper, nine ethyl maltol succinate diester compounds 2-ethyl-4-oxo-4H-pyran-3-yl phenethyl succinate (5a)~2-ethyl-4-oxo-4H-pyran-3-yl (2-methylallyl) succinate (5i) were obtained by a two-step method using succinic anhydride, flavor alcohols and ethyl maltol as raw materials, and were subjected to structural characterization, thermal stability and in vitro antioxidant studies. The results showed that compounds 5a~5i possessed a burnt sweet fragrance as well as other fragrances. Compounds 5a and cinnamyl (2-ethyl-4-oxo- 4H-pyran-3-yl) succinate (5b) had a highest weight loss at a temperature higher than that of raw materials, and a large amount of substances such as ethyl maltol and flavor alcohols were produced during pyrolysis. The 1,1-diphenyl-2-picrylhydrazyl (DPPH) and •OH scavenging abilities of compound 5a are higher than those of compounds 5b~5i and ethyl maltol. In summary, compound 5a has a burnt sweet fragrance, and exhibits high thermal stability and in vitro antioxidant capacity. This work may provide a new method to improve the stability of spices and expand their multifunctional application.

Key words: ethyl maltol, esterification, pyrolysis, antioxidant, flavors and fragrances