Customized Buchwald-Type Phosphines Bearing an "Inverted" Pyrimidinium Betaine as an Aryl Group Surrogate - Synthesis and Coordination Chemistry with Gold(I)
A new ligand scaffold inspired by Buchwald-type phosphines is disclosed. Its design consists of the formal replacement of the distal aryl group of the original archetype by a pyrimidinium betaine connected to the o-phosphinophenyl moiety through the C-5 position of its malonate subunit. A productive synthetic pathway towards this phosphine is described along with its ability to coordinate to a gold(I) center. A weak bonding interaction between the metal center and the malonate group is observed in the solid state.
No?l-Duchesneau, Ludovik,Lugan, No?l,Lavigne, Guy,Labande, Agnès,César, Vincent
p. 1752 - 1758
(2015/04/14)
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