School of Chemistry - Research Publications

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Author: Donnelly, Paul × Author: Rizzacasa, Mark × Author: White, Jonathan × End date: 2023 × Type: Journal Article ×

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    A cis-β-iron(iii) SALPN catalyst for hydrogen atom transfer reductions and olefin cross couplings
    Ricca, M ; Yao, S ; Le, T ; White, JM ; Donnelly, PS ; Rizzacasa, MA (ROYAL SOC CHEMISTRY, 2023-08-23)
    An inexpensive Fe(III) SALPN catalyst for MHAT reactions such as reductions of α,β-unsaturated carbonyl compounds and olefin cross couplings is reported. The majority of these reactions proceeded in good yields and high stereoselectivities with low catalyst loadings at room temperature.
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    Synthesis of acyloin natural products by Mukaiyama hydration
    Ricca, M ; Zhang, W ; Li, J ; Fellowes, T ; White, JM ; Donnelly, PS ; Rizzacasa, MA (ROYAL SOC CHEMISTRY, 2022-05-18)
    The acyloin natural products are a family of bioactive compounds isolated from fungi and myxobacteria. The total synthesis of 7 members of the acyloin family was achieved via a HWE reaction followed by Mukaiyama-Isayama hydration, using novel Co(II) and Co(III) Schiff base SALPN complexes as catalysts for the key enone hydration step. Furthermore, we have shown that a mild acyloin rearrangement is possible under Mukaiyama hydration conditions, which was crucial in the success of this approach.
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    Synthesis of Homochiral Co-III- and Mn-IV-[2.2]Paracyclophane Schiff Base Complexes with Predetermined Chirality at the Metal Centre
    Loits, D ; Braese, S ; North, AJ ; White, JM ; Donnelly, PS ; Rizzacasa, MA (WILEY-V C H VERLAG GMBH, 2016-08-01)
    The planar chiral Schiff base ligand 2, derived from (Rp)‐5‐formyl‐4‐hydroxy‐[2.2]paracyclophane (FHPC) (1), was utilised to form a Λ‐CoIII cis‐β‐octahedral metal complex 3 with complete control of the metal‐centred chirality. In addition, a di‐µ‐oxo Λ,Λ‐MnIV complex 4 was synthesised with control of both metal‐centred and (P)‐helical chirality.