淡江大學機構典藏:Item 987654321/120972
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    題名: Transition-Metal-Free Tandem Cyclization/N-Arylation Reaction: A Method to Access Biaryl Sultam Derivatives via a Diradical Pathway
    作者: Thorat, Vijaykumar H.;(謝仁傑), Jen-Chieh Hsieh;Cheng, Chien-Hong
    日期: 2020-08-12
    上傳時間: 2021-08-20 12:13:03 (UTC+8)
    摘要: A novel procedure for the transition-metal-free tandem cyclization/N-arylation reaction sequence of an aryne with a 1,2,3,4-benzothiatriazine-1,1-dioxide is reported. This reaction goes through the intramolecular homolytic cyclization to generate an N–H biaryl sultam intermediate, which enables aryne insertion to access diversely functionalized biaryl sultam derivatives with high yields. The mechanism study indicates that homolytic cyclization is executed by a diradical species, initiated from the thermal decomposition of 1,2,3,4-benzothiatriazine-1,1-dioxide to release a nitrogen molecule.
    關聯: Organic Letter 22(16), p.6623–6627
    DOI: 10.1021/acs.orglett.0c02393
    顯示於類別:[化學學系暨研究所] 期刊論文

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