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Unexpected C–O Bond Cleavage by a Copper–Phosphido Compound

https://doi.org/10.3390/M1659

Dannenberg, Steven G.; Waterman, Rory (June 2023, Molbank)

Copper methoxide compound IPrCuOMe was unexpectedly formed in a reaction of IPrCuPPh2 with methyl acrylate. The alkoxide product was identified from the reaction mixture spectroscopically and structurally characterized. This C–O bond cleavage reaction likely depends on nucleophilicity of the Cu–P bond of IPrCuPPh2.
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Divergent Mechanistic Pathways for Copper(I) Hydrophosphination Catalysis: Understanding That Allows for Diastereoselective Hydrophosphination of a Tri-substituted Styrene

https://doi.org/10.1021/acscatal.2c05221

Dannenberg, Steven G.; Seth, Dennis M.; Finfer, Emma J.; Waterman, Rory (January 2023, ACS Catalysis)

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Cyclo-Tetrakis(μ-diphenylphosphido)-1,5-bis(tri-tert-butylphosphine)-Tetracopper

https://doi.org/10.3390/M1334

Dannenberg, Steven G.; Waterman, Rory (March 2022, Molbank)

Copper phosphido compound Cu4(μ-PPh2)4(PtBu3)2 was synthesized by three synthetic methods and structurally characterized by X-ray diffraction and 1H, 31P, 13C and 31P HMBC NMR spectroscopy. Cu4(μ-PPh2)4(PtBu3)2 was also demonstrated to be a hydrophosphination pre-catalyst.
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