Panda, Sanjib; Baliyan, Rupal; Dhara, Suman; Huang, Kuo-Wei; Lahiri, Goutam Kumar published their research in Dalton Transactions in 2021. The article was titled 《Redox induced oxidative C-C coupling of non-innocent bis(heterocyclo)methanides》.Electric Literature of C8H14O4 The article contains the following contents:
Redox driven C-C bond formation has gained recent attention over the traditional sequence of oxidative addition, insertion and reductive elimination reactions. In this regard, the transient radical mediated diverse reactivity profile of bis(heterocyclo)methanes (H-BHM: HL1-HL4) has been demonstrated as a function of varying metal ions and ligand backbones. It highlighted the following events: (a) redox induced homocoupling of deprotonated HL1 and HL4 on coordination to M(OAc)2 precursors (M = CuII, ZnII, PdII, AgI), including the effective role of mol. oxygen in the transformation process; (b) steric inhibition of C-C coupling of HL1 or HL4 on inserting the substituent at the bridged methylene center (Ph in HL2 or CH3 in HL3); (c) competitive C-C coupling vs. oxygenation of free HL1 with varying concentrations of PdII(OAc)2 as the ease of oxygenation over dimerization of the deprotonated HL1 was corroborated by the DFT calculated lower activation barrier and greater thermodn. stability of the former; and (d) redox non-innocence of BHMs on a coordinatively inert ruthenium platform, which in turn favored the involvement of a radical pathway for the aforestated coupling or oxygenation process. A combined structural, spectroscopic and DFT calculated transition state anal. demonstrated the mechanistic outline for the metal assisted oxidative coupling of BHMs. In addition to this study using Diethyl 2-methylmalonate, there are many other studies that have used Diethyl 2-methylmalonate(cas: 609-08-5Electric Literature of C8H14O4) was used in this study.
Diethyl 2-methylmalonate(cas: 609-08-5) belongs to aliphatic hydrocarbons. Aliphatic hydrocarbons belong to the most abundant fraction in crude oil. Aliphatics molecules are linear or branched open-chain structures such as n-alkanes, isoalkanes, cycloalkanes (naphthenes), terpenes and steranes.Electric Literature of C8H14O4
Referemce:
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Ester – an overview | ScienceDirect Topics