• 综述了国内外异戊合成研究进展情况。

    The progresses in the synthesis study of isoamyl isovalerate at home and abroad were reviewed.

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  • 本文介绍脱氢制异戊醛的一种方法异戊醛氧化制异戊的方法。

    This paper briefly introduced a method that isovaleraldehyde is produced from isoamyl alcohol and that isovaleric acid is produced from isovaleraldehyde.

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  • 吸结果表明合成葡萄糖四酯能赋予混合型卷烟烟气异戊酸特征香气

    The sensory evaluation showed that the synthesized compound imparted a characteristic flavor of isovaleric acid to the smoke of blended type cigarette.

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  • 结果表明2-甲基是艰难特征性产物,以前曾其他作者错误地鉴定异戊

    Results showed 2-methyl butyric acid was the characteristic product of C. difficile and was wrong identified as isovaleric acid by others.

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  • 研究了氯化铁催化合成、乙异戊酯、酯、异戊酯、异戊异戊酸异戊酯。

    Synthesis of isoamyl formate, isoamyl acetate, isoamyl propionate, isoamyl butyrate, isoamyl isobutyrate and isoamyl isovalerate by catalysis of hydrated ferric chloride are reported.

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  • 实验表明:正常人尿样中仅能检出和微量尿样存有丙异戊酸、已短链脂肪认为病理性尿

    If propionic, butytric, iso-valeric, hexanic acid et al short-chain fatty acids were detected in urine of human, the urine can be regarded as pathologic urine.

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  • 条件合成了醇酯糠醇酯,收率分别为85.2 %、94.0 % ,产品的质量分数均为99%以上。

    Under the same conditions, furfuryl propionate and isovalerate were synthesized. Their yields were 85.2% and 94.0%, respectively and their purity was 99%.

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  • 以乙作皂化剂,由1, 2,3,4, 6-葡萄糖异戊酸合成了2,3,4,6-葡萄糖四异戊酸酯,用1H NMR、高分辨质谱、 硅烷化衍生谱进行了表征进行了卷烟加香试验。

    The 2,3,4,6-O-tetraisovaleryl glucose was synthesized with ethylenediamine acetate as a saponifier, characterized by1HNMR, HRMS and silylanized derivation MS, and applied in cigarettes as a flavorant.

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  • 以乙作皂化剂,由1, 2,3,4, 6-葡萄糖异戊酸合成了2,3,4,6-葡萄糖四异戊酸酯,用1H NMR、高分辨质谱、 硅烷化衍生谱进行了表征进行了卷烟加香试验。

    The 2,3,4,6-O-tetraisovaleryl glucose was synthesized with ethylenediamine acetate as a saponifier, characterized by1HNMR, HRMS and silylanized derivation MS, and applied in cigarettes as a flavorant.

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