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    题名: Synthesis of 3,4-disubstituted a-methylene-g-lactones via sonochemical Barbier-type reaction
    作者: 李世元;Lee, Adam Shih-yuan;Chang, Yu-ting;Wang, Shu-huei;Chu, Shu-fang
    贡献者: 淡江大學化學學系
    日期: 2002-11-18
    上传时间: 2009-12-01
    出版者: Elsevier
    摘要: A series of 3,4-disubstituted α-methylene-γ-lactones were synthesized by the addition reaction of allylic bromide with aldehyde via sonochemical Barbier-type reaction condition and then followed by the in situ intramolecular esterification. The α-methylene-γ-lactone was produced as the sole product when THF/PhH solvent mixture was used whereas the allylation adduct was generated as the major product when solvent DMF was used.
    關聯: Tetrahedron Letters 43(47), pp.8489-8492
    DOI: 10.1016/S0040-4039(02)02088-9
    显示于类别:[化學學系暨研究所] 期刊論文

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