The chelate-to-bridging shift of phosphane dipalladacycles: convenient synthesis of double A-frame tetranuclear complexes

Palladacycles of the type [Pd (Ph PCH PPh -P,P) (C,N:C,N)] (C,N:C,N = bis(N-2,3,4-trimethoxybenzylidene)-4,4'-sulfonyldianiline or -4,4'-oxydianiline) can undergo a spontaneous slow chelate-to-bridging diphosphane coordination shift in solution. Following this strategy a tailor-made synthe...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2018, Vol.54 (21), p.2662-2665
Main Authors: Frieiro-Gomis, Pablo, Lucio-Martínez, Fátima, Munín-Cruz, Paula, Ortigueira, Juan M, Pereira, M Teresa, Polo-Ces, Paula, Vázquez-García, Digna, Vila, José M
Format: Article
Language:English
Subjects:
Chelates
Palladium
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Summary:Palladacycles of the type [Pd (Ph PCH PPh -P,P) (C,N:C,N)] (C,N:C,N = bis(N-2,3,4-trimethoxybenzylidene)-4,4'-sulfonyldianiline or -4,4'-oxydianiline) can undergo a spontaneous slow chelate-to-bridging diphosphane coordination shift in solution. Following this strategy a tailor-made synthetic procedure was devised that culminates in isolation of double A-frame tetranuclear palladium complexes.
ISSN:1359-7345
1364-548X
DOI:10.1039/c8cc01046c