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1篇 您的检索式:作者名="Amos BSmith III"
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1The role of Cul in the siloxane-mediated Pd-catalyzed cross-coupling reactions of aryl iodides with aryl lithium reagents显示文摘Experiments indicate that a catalytic amount of Cul plays an important role in the siloxane-mediated Pd-catalyzed cross-coupling reactions with the direct use of organolithium reagents.Addition of organolithium to the siloxane transfer agent generates an organosilicon intermediate.DFT calculations indicate that Cul initially accelerates the Si-Pd(Ⅱ) transmetalation of the organosilicon intermediate by the formation of CuI_(2)^(-).Subsequently,CuI_(2)^(-)works as a shuttle between the Si-Cu(Ⅰ) and Cu(Ⅰ)-Pd(Ⅱ)transmetalation processes.Yu Chen Xiao Zhang Fang Liu Gucheng He Ju Zhang K.N.Houk Amos BSmith III Yong Liang 2021Chinese Chemical Letters2021,32,1:0
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