Synthesis of functionalized 3,4-diarylbenzophenones and 2,4-diarylbenzophenones by site-selective Suzuki and Sonogashira cross-coupling reactions of bis(triflates) of 3,4- and 2,4-dihydroxybenzophenone
Palladium(0)-catalyzed Suzuki and Sonogashira cross-coupling reactions of the bis(triflates) of 2,4- and 3,4-dihydroxybenzophenone afforded 2,4- and 3,4-diarylbenzophenones, respectively. The reactions proceeded with very good site-selectivity in favor of
Khera, Rasheed Ahmed,Nawaz, Muhammad,Feist, Holger,Villinger, Alexander,Langer, Peter
p. 219 - 234
(2012/04/17)
Synthesis of 3,4-diarylbenzophenones by site-selective suzuki-miyaura reactions of 3,4-Bis(trifluoromethylsulfonyloxy)benzophenone
The Suzuki-Miyaura reaction of the bis(triflate) of 3,4- dihydroxybenzophenone with two equivalents of boronic acids gave 3,4-diarylbenzophenones. The reaction with one equivalent of arylboronic acids resulted in site-selective attack onto carbon atom C-4
Nawaz, Muhammad,Khera, Rasheed Ahmad,Malik, Imran,Ibad, Muhammad Farooq,Abid, Obaid-Ur-Rahman,Villinger, Alexander,Langer, Peter
experimental part
p. 979 - 981
(2010/07/10)
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