Rhodium(III)-Catalyzed Direct C–H Arylation of Various Acyclic Enamides with Arylsilanes
作者:Xiaolan Li、Kai Sun、Wenjuan Shen、Yong Zhang、Ming-Zhu Lu、Xuzhong Luo、Haiqing Luo
DOI:10.1021/acs.orglett.0c03578
日期:2021.1.1
The stereoselective β-C(sp2)–H arylation of various acyclic enamides with arylsilanes via Rh(III)-catalyzed cross-coupling reaction was illustrated. The methodology was characterized by extraordinary efficacy and stereoselectivity, a wide scope of substrates, good functional group tolerance, and the adoption of environmentally friendly arylsilanes. The utility of this present method was evidenced by
Aryltriethoxysilanes were cross-coupled with aryl bromides in high yield in the presence of a palladium catalyst and aqueous sodium hydroxide.
芳基三乙氧基硅烷在镍催化剂和水合氢氧化钠的存在下与芳基溴化物高产率交叉耦合。
Solvent-Less and Fluoride-Free Hiyama Reaction of Arylsiloxanes with Aryl Bromides and Chlorides Promoted by Sodium Hydroxide: A Useful Protocol for Palladium Recycling and Product Isolation
作者:Emilio Alacid、Carmen Nájera
DOI:10.1002/adsc.200505494
日期:2006.5
arylsiloxanes with arylbromides and chlorides in low catalyst loading (0.001–0.1 mol % of Pd) under fluoride-free conditions to provide biaryls and heterobiaryls. For some deactivatedarylbromides and for arylchlorides, the corresponding cross-couplings need TBAB as additive. Concentrated aqueous sodium hydroxide (50%) promoted this Hiyama reaction in practically the absence of solvents under air in good
Carbonylative Hiyama coupling of aryl halides with arylsilanes under balloon pressure of CO
作者:Sheng Chang、Ying Jin、Xiu Rong Zhang、Yong Bing Sun
DOI:10.1016/j.tetlet.2016.02.058
日期:2016.5
An efficient protocol has been developed for the carbonylative Hiyama coupling of aryl halides using the cesium fluoride as a promoter by palladium-catalyzed in NMP. This protocol was applied to a wide variety of functionalized and hindered aryliodides and bromides with arylsilanes, to afford the desired biaryl ketones in good to excellent yields.
The Hiyama Cross‐Coupling Reaction at Parts Per Million Levels of Pd: In Situ Formation of Highly Active Spirosilicates in Glycol Solvents
作者:Shun Ichii、Go Hamasaka、Yasuhiro Uozumi
DOI:10.1002/asia.201901155
日期:2019.11.4
A palladium NNC-pincer complex at a 5 mol ppm loading efficiently catalyzed the Hiyama coupling reaction of aryl bromides with aryl(trialkoxy)silanes in propylene glycol to give the corresponding biaryls in excellent yields. This method was applied to the syntheses of adapalene and a biaryl-type liquid-crystalline compound, as well as to the derivatization of dextromethorphan and norfloxacin. ESI-MS