异丁香酚-β-D-葡萄糖苷的合成及热裂解转移率
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郑州轻工业大学 食品与生物工程学院

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O629.13

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河南省科技攻关计划项目(192102110212)


Study on synthesis and pyrolysis transfer rate of isoeugenol -β-D-glucopyranoside
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School of Food and Bioengineering,Zhengzhou University of Light Industry

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    摘要:

    以乙酰溴-α-D-葡萄糖(I)作为糖基供体与异丁香酚(Ⅱ)进行反应,合成了异丁香酚-2, 3, 4, 6-四-O-乙酰基-β-D-葡萄糖苷(Ⅲ)和异丁香酚-β-D-葡萄糖苷(Ⅳ)。合成化合物Ⅲ的过程中分别探索了相转移催化法和离子液体催化法。所得中间体及目标产物结构经1HNMR、13CNMR、IR和HRMS进行确证。将化合物Ⅳ加入卷烟中,通过气相色谱质谱联用法(GC/MS)测定其在卷烟主流烟气粒相中的转移率。结果表明:上述两种方法均可得到化合物Ⅲ,其中离子液体催化法优于相转移催化法。离子液体催化法的反应条件为:1-丁基-3-甲基-溴化咪唑鎓为催化剂,氯仿为溶剂,氢氧化钠水溶液为缚酸剂,n(I) : n(Ⅱ) = 0.8:1,n(I) : n(1-丁基-3-甲基-溴化咪唑鎓) = 1:1,室温反应8 h,化合物Ⅲ的收率为56.8%。化合物Ⅲ在甲醇钠/甲醇溶液中反应脱去四乙酰基,得到化合物Ⅳ,收率87.6%。卷烟燃吸过程中,化合物Ⅳ热裂解为异丁香酚向主流烟气粒相中的转移率为3.2%。

    Abstract:

    Acetyl bromide-α-D-glucose(I) as a sugar donor reacted with isoeugenol (II) to synthesize isoeugenol-2,3,4,6-tetra-O-acetyl-β-D-glucoside (Ⅲ) and isoeugenol-β-D-glucoside (Ⅳ). Phase transfer catalysis method and ionic liquid method were explored in the synthesis of compound III. The structures of the intermediates and target products were confirmed by 1HNMR, 13CNMR, IR and HRMS. Compound IV was added into cigarettes, and its transfer rate in the cigarette mainstream smoke was determined by gas chromatography-mass spectrometry (GC/MS). The results show that compound III can be obtained by the above two methods, and the ionic liquid method is better than the phase transfer catalysis method. The reaction conditions of ionic liquid method are as follows: 1-butyl-3-methyl-imidazonium bromide as catalyst, chloroform as solvent, sodium hydroxide aqueous solution as acid binding agent, n (I) : n (II) = 0.8 : 1, n (I) : n (1-butyl-3-methyl-imidazonium bromide) = 1 : 1, reaction at room temperature for 8 hours, yield of compound III is 56.8%. Compound III reacted in sodium methoxide/methanol solution to remove the tetraacetyl group to obtain compound IV in 87.6% yield. During cigarette smoking, the transfer rate of isoeugenol from the thermal decomposition of compound IV to the mainstream smoke particle phase is 3.2%.

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张改红,徐月莹,石栋栋,杨鹏飞,黄申,毛多斌.异丁香酚-β-D-葡萄糖苷的合成及热裂解转移率[J].精细化工,2024,41(2):

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  • 收稿日期:2023-03-09
  • 最后修改日期:2023-06-09
  • 录用日期:2023-06-12
  • 在线发布日期: 2024-01-10
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