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    题名 作者 年代 出处 被引量
1三氟乙酸酐(TFAA)促进的Stieglitz重排反应制备苯胺显示文摘本工作使用简单易得的三氟乙酸酐作为活化试剂,拓展了Stieglitz重排反应的底物适用范围,发展了一种通过C-C键断裂由苯乙基羟胺制备芳基伯胺的方法.该反应条件较为温和且对官能团具有较好的兼容性.机理研究表明,反应经历了活性三氟乙酸酯中间体的原位生成,并通过C-C和N-O键的断裂实现芳基迁移的过程.罗潇 焦宁 2020化学学报2020,78,8:1
2Palladium-Catalyzed Oxidative C=C Triple Bond Cleavage of 2-Alkynyl Carbonyl Compounds Toward 1,2-Dicarbonyl Compounds显示文摘A new,gen era I palladium-catalyzed oxidative strategy for the cleavage of the C=C triple bond is presented.By employing PdCI2/CuBr2/TEMPO and air as the catalytic system and H2O as the carbonyl oxygen atom source,a wide range of 2-alkynyl carbonyl compounds,including 1,3-disubstituted prop-2-yn-l-ones,propiolamides and propiolates,lost an alkynyl carbon to access various 1,2-dicarbonyl compounds,e.g.,1,2-diones,2-keto amides and 2-keto esters,through Wacker oxidation,intramolecular cyclization and C—C bond cleavage cascades.Ming-Bo Zhou Mu-Jia Luo Ming Hu Jin-Heng Li 2020Chinese Journal of Chemistry2020,38,6:0
3Selective Carbon-Carbon Bond Amination with Redox-Active Aminating Reagents:A Direct Approach to Anilines显示文摘Amines are among the most fundamental motifs in chemical synthesis,and the introduction of amine building blocks via selective C-C bond cleavage allows the construction of nitrogen compounds from simple hydrocarbons through direct skeleton modification.Herein,we report a novel method for the preparation of anilines from alkylarenes via Schmidt-type rearrangement using redox-active amination reagents,which are easily prepared from hydroxylamine.Primary amines and secondary amines were prepared from corresponding alkylarenes or benzyl alcohols under mild conditions.Good compatibility and valuable applications of the transformation were also displayed.Xu Qiu Yachong Wang Lingyu Su Rui Jin Song Song Qixue Qin Junhua Li Baoning Zong Ning Jiao 2021Chinese Journal of Chemistry2021,39,11:0
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