Mechanistic insights into asymmetric reductive coupling of isoquinolines by a chiral diboron with DFT calculations
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Organometallic Chemistry"
DOI: 10.1016/j.jorganchem.2018.02.001
Abstract: Abstract We report our complete mechanistic study on the highly diastereo- and enantioselective reductive coupling of isoquinoline templated by a chiral diboron. An uncommon activation mode, activation of the B-B bond via double N-B coordination… read more here.
Keywords: diboron; insights asymmetric; chiral diboron; reductive coupling ... See more keywords
Catalysis with Diboron(4)/Pyridine: Application to the Broad-Scope [3 + 2] Cycloaddition of Cyclopropanes and Alkenes.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.2c03673
Abstract: In contrast to the extensive but non-recyclable use of tetraalkoxydiboron(4) compounds as stoichiometric reagents in diverse reactions, this article reports an atom-economical reaction using a commercial diboron(4) as the catalyst. The key to success was… read more here.
Keywords: catalysis diboron; diboron; pyridine; scope ... See more keywords
Reactivity Enhancement of a Zerovalent Diboron Compound by Desymmetrization.
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DOI: 10.1021/jacs.8b06930
Abstract: The desymmetrization of the cyclic (alkyl)(amino)carbene-supported diboracumulene B2(cAACMe)2 (cAACMe = 1-(2,6-diisopropylphenyl)-3,3,5,5-tetramethylpyrrolidin-2-ylidene) by monoadduct formation with IMeMe (1,3-dimethylimidazol-2-ylidene) yields the zerovalent sp-sp2 diboron compound B2(cAACMe)2(IMeMe), which provides a versatile platform for the synthesis of novel symmetrical… read more here.
Keywords: imeme; diboron; diboron compound; zerovalent ... See more keywords
Nickel boryl complexes and nickel-catalyzed alkyne borylation
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DOI: 10.1039/d2sc04690c
Abstract: The first nickel bis-boryl complexes cis-[Ni(iPr2ImMe)2(Bcat)2], cis-[Ni(iPr2ImMe)2(Bpin)2] and cis-[Ni(iPr2ImMe)2(Beg)2] are reported, which were prepared via the reaction of a source of [Ni(iPr2ImMe)2] with the diboron(4) compounds B2cat2, B2pin2 and B2eg2 (iPr2ImMe = 1,3-di-iso-propyl-4,5-dimethylimidazolin-2-ylidene; B2cat2 =… read more here.
Keywords: 320 320; diboron; bcat; ipr2imme ... See more keywords