Biocatalytic oxidative cross-coupling reactions for biaryl bond formation

Lara E. Zetzsche, Jessica A. Yazarians, Suman Chakrabarty, Meagan E. Hinze, Lauren A. M. Murray, April L. Lukowski, Leo A. Joyce and Alison R. H. Narayan ()
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Lara E. Zetzsche: University of Michigan
Jessica A. Yazarians: University of Michigan
Suman Chakrabarty: University of Michigan
Meagan E. Hinze: University of Michigan
Lauren A. M. Murray: University of Michigan
April L. Lukowski: University of Michigan
Leo A. Joyce: Arrowhead Pharmaceuticals, Inc.
Alison R. H. Narayan: University of Michigan

Nature, 2022, vol. 603, issue 7899, 79-85

Abstract: Abstract Biaryl compounds, with two connected aromatic rings, are found across medicine, materials science and asymmetric catalysis1,2. The necessity of joining arene building blocks to access these valuable compounds has inspired several approaches for biaryl bond formation and challenged chemists to develop increasingly concise and robust methods for this task3. Oxidative coupling of two C–H bonds offers an efficient strategy for the formation of a biaryl C–C bond; however, fundamental challenges remain in controlling the reactivity and selectivity for uniting a given pair of substrates4,5. Biocatalytic oxidative cross-coupling reactions have the potential to overcome limitations inherent to numerous small-molecule-mediated methods by providing a paradigm with catalyst-controlled selectivity6. Here we disclose a strategy for biocatalytic cross-coupling through oxidative C–C bond formation using cytochrome P450 enzymes. We demonstrate the ability to catalyse cross-coupling reactions on a panel of phenolic substrates using natural P450 catalysts. Moreover, we engineer a P450 to possess the desired reactivity, site selectivity and atroposelectivity by transforming a low-yielding, unselective reaction into a highly efficient and selective process. This streamlined method for constructing sterically hindered biaryl bonds provides a programmable platform for assembling molecules with catalyst-controlled reactivity and selectivity.

Date: 2022
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DOI: 10.1038/s41586-021-04365-7

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