期刊
CATALYSIS COMMUNICATIONS
卷 182, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.catcom.2023.106753
关键词
Hydroarylation reactions; Metal-free reactions; Friedel-Crafts alkenylation; Solvent-free; Regioselective synthesis
This study presents a groundbreaking method for achieving regioselective Markovnikov-type hydroarylation of alkynes without the use of any metal catalysts. The utilization of specific catalyst systems involving 2-amino-perimidinium bromide and TFA allows for the expansion of substrate range, including arenes and alkynes, in the absence of solvents. The correlation between stoichiometric reactions and experimental data supports the proposed reaction mechanism.
The current manuscript elucidates a pioneering approach for achieving regioselective Markovnikov-type hydroarylation of alkynes, without the use of any metal catalysts. The aforementioned process is expedited through the implementation of 2-amino-perimidinium bromide and TFA as catalyst systems and is executed in the absence of solvents, thereby expanding the range of substrates (including arenes and alkynes). The correlation between the stoichiometric reactions and experimental data substantiates the postulated reaction mechanism.
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