淡江大學機構典藏:Item 987654321/24973
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    题名: Expeditious Synthesis of New 3,4,6-Trihydroxythiepanes from d-(-)-Quinic Acid
    作者: Shih, Tzenge-lien;Fang, Yi-chuan
    贡献者: 淡江大學化學學系
    关键词: quinic acid;thiepane;thiosugar
    日期: 2007-01
    上传时间: 2010-08-10 09:54:06 (UTC+8)
    出版者: Philadelphia: Taylor & Francis Inc.
    摘要: We report herein that the new seven-membered-ring thiosugars (thiepanes) have been synthesized from d-(-)-quinic acid. The key feature of the synthesis involves the thiocyclization of protected hexane-1,2,3,5,6-pentanol derivatives. The subsequent step of acidic removal of protecting groups is critical in the reaction conditions to obtain the required 3,4,6-trihydroxythiepanes. During the course of studies, the unexpected trihydroxythiopyrans are formed because of the ring contractions of their corresponding trihydroxythiepanes under various conditions.
    關聯: Synthetic Communications 37(19), pp.3337-3349
    DOI: 10.1080/00397910701490113
    显示于类别:[化學學系暨研究所] 期刊論文

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    Expeditious Synthesis of New 3,4,6-Trihydroxythiepanes from d-(-)-Quinic Acid.pdf306KbAdobe PDF1检视/开启

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