Hydroarylation of aryl-substituted alkynes with simple and substituted arenes was conducted in the presence of trifluoroacetic acid in dichloromethane without any metal catalysts or additives. Electron-rich arenes coupled with aryl-substituted alkynes to give 1,1-diarylalkenes in good to high yields.
Synthesis of 1,1-diaryl ethylenes by Cu-catalyzed arene C–H addition to aryl acetylenes
作者:Sachin V. Bhilare、Nitin B. Darvatkar、Amol R. Deorukhkar、Dilip G. Raut、Girish K. Trivedi、Manikrao M. Salunkhe
DOI:10.1016/j.tetlet.2008.12.031
日期:2009.2
An unprecedented copper-catalyzed C–H addition of arenes to aryl acetylenes provides a facile route to 1,1-diaryl ethylenes in moderate to excellent yields. Arylboronic acids were likewise used along with aryl acetylenes in generating 1,1-diaryl ethylene.
Palladium incorporated MIL-101(Cr): a heterogeneous and reusable catalyst for the C–H functionalization of unactivated arenes
作者:Fillip Kumar Sarkar、Sushmita Gajurel、Lenida Kyndiah、Rajib Sarkar、Rupesh S. Devan、Amarta Kumar Pal
DOI:10.1039/d2nj03889g
日期:——
Herein, a palladium containing metal–organic framework was designed for use in the C–H functionalization of unactivated arenes. The catalyst was prepared via post-synthetic modification of amino-functionalized MIL-101(Cr) and was well characterized using spectroscopic techniques. The catalyst is highly active in the aforementioned reaction, resulting in a 70–92% yield of the desired products at room