Palladium-Catalyzed Direct C–H Silylation and Germanylation of Benzamides and Carboxamides
作者:Kyalo Stephen Kanyiva、Yoichiro Kuninobu、Motomu Kanai
DOI:10.1021/ol500519y
日期:2014.4.4
A palladium-catalyzed regioselectiveactivation of C(sp2)–H and C(sp3)–H bonds of benzamides and carboxamides, followed by coupling with disilanes to afford organosilanes in moderate to high yields, with the aid of 8-aminoquinoline as a directinggroup, is reported. Catalytic C(sp2)–H germanylation of benzamides also proceeds under the same palladiumcatalysis. The reaction tolerates a wide variety
Copper-Catalyzed Direct sp<sup>2</sup> C–H Silylation of Arylamides Using Disilanes
作者:Writhabrata Sarkar、Aniket Mishra、Arup Bhowmik、Indubhusan Deb
DOI:10.1021/acs.orglett.1c01129
日期:2021.6.18
A copper-catalyzed method for direct intermolecular ortho-silylation of benzamides has been developed that affords organosilane products in moderate to high yields. The key features include: (i) use of commercially available disilanes as a silicon source with 8-aminoquinoline as a bidentate directing group, (ii) use of earth-abundant first-row transition metal, (iii) operationally simple conditions