In 2019,Chemistry – A European Journal included an article by Kuehn, Laura; Jammal, Dominik G.; Lubitz, Katharina; Marder, Todd B.; Radius, Udo. Recommanded Product: 4,4,5,5-Tetramethyl-2-phenyl-1,3,2-dioxaborolane. The article was titled 《Stoichiometric and Catalytic Aryl-Cl Activation and Borylation using NHC-stabilized Nickel(0) Complexes》. The information in the text is summarized as follows:
NHC-nickel (NHC = N-heterocyclic carbene) complexes are efficient catalysts for the C-Cl bond borylation of aryl chlorides using NaOAc as a base and B2pin2 (pin = pinacolato) as the boron source. The catalysts [Ni2(ICy)4(μ-(η2:η2)-COD)] (1, ICy = 1,3-dicyclohexylimidazolin-2-ylidene; COD = 1,5-cyclooctadiene), [Ni(ICy)2(η2-C2H4)] (2), and [Ni(ICy)2(η2-COE)] (3, COE = cyclooctene) compare well with other nickel catalysts reported previously for aryl-chloride borylation with the advantage that no further ligands had to be added to the reaction. Borylation also proceeded with B2neop2 (neop = neopentylglycolato) as the boron source. Stoichiometric oxidative addition of different aryl chlorides to complex 1 was highly selective affording trans-[Ni(ICy)2(Cl)(Ar)] (Ar = 4-(F3C)C6H4, 11; 4-(MeO)C6H4, 12; C6H5, 13; 3,5-F2C6H3, 14). In the part of experimental materials, we found many familiar compounds, such as 4,4,5,5-Tetramethyl-2-phenyl-1,3,2-dioxaborolane(cas: 24388-23-6Recommanded Product: 4,4,5,5-Tetramethyl-2-phenyl-1,3,2-dioxaborolane)
4,4,5,5-Tetramethyl-2-phenyl-1,3,2-dioxaborolane(cas: 24388-23-6) can be used as a substrate in the study of Suzuki–Miyaura coupling of various aryl iodides over SiliaCat Pd(0).Recommanded Product: 4,4,5,5-Tetramethyl-2-phenyl-1,3,2-dioxaborolane
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Alcohols – Chemistry LibreTexts