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. 2023 May 2;59(36):5459-5462.
doi: 10.1039/d3cc01008b.

Au → M bonds promote catalytic alkyne hydrofunctionalisation

M Alexander Eltester  1 , Hans Gildenast  1 , Kristína Rabatinová  1 , Christopher Pütz  1 , Christopher Cremer  1 , Patrick Lanzerath  1 , Julian P Schroers  1 , Michael E Tauchert  1
Affiliations

Au → M bonds promote catalytic alkyne hydrofunctionalisation

M Alexander Eltester et al. Chem Commun (Camb). .

Abstract

The impact of metalloligands on Au catalysed alkyne hydrofunctionalisation is studied. Ambiphilic PMP-type ligands (M = CuI, AgI, ZnII) stabilise Au → M bonds including unprecedented AuI → ZnII interactions. The Lewis acidity of Au increases in the order CuI < AgI < ZnII promoting catalytic cycloisomerisation of propargylamide 14. Au/Zn complex 8 is an excellent catalyst for alkyne hydroamination.

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