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Open AccessArticle

Exploring the Self-Assembled Tacticity in Aurophilic Polymeric Arrangements of Diphosphanegold(I) Fluorothiolates

1
Facultad de Química, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico
2
Institut de Science et d’Ingénierie Supramoleculaires (ISIS), University of Strasbourg, 67083 Strasbourg, France
*
Authors to whom correspondence should be addressed.
Academic Editor: Laura Rodríguez
Molecules 2019, 24(23), 4422; https://doi.org/10.3390/molecules24234422
Received: 13 October 2019 / Revised: 24 November 2019 / Accepted: 2 December 2019 / Published: 3 December 2019
(This article belongs to the Special Issue Advances in Supramolecular Chemistry)
Despite the recurrence of aurophilic interactions in the solid-state structures of gold(I) compounds, its rational control, modulation, and application in the generation of functional supramolecular structures is an area that requires further development. The ligand effects over the aurophilic-based supramolecular structures need to be better understood. This paper presents the supramolecular structural diversity of a series of new 1,3-bis(diphenylphosphane)propane (dppp) gold(I) fluorinated thiolates with the general formula [Au2(SRF)2(μ-dppp)] (SRF = SC6F5 (1); SC6HF4-4 (2); SC6H3(CF3)2-3,5 (3); SC6H4CF3-2 (4); SC6H4CF3-4 (5); SC6H3F2-3,4 (6); SC6H3F2-3,5 (7); SC6H4F-2 (8); SC6H4F-3 (9); SC6H4F-4 (10)). These compounds were synthesized and characterized, and six of their solid-state crystalline structures were determined using single-crystal X-ray diffraction. In the crystalline arrangement, they form aurophilic-bridged polymers. In these systems, the changes in the fluorination patterns of the thiolate ligands tune the aurophilic-induced self-assembly of the compounds causing tacticity and chiral differentiation of the monomers. This is an example of the use of ligand effects on the tune of the supramolecular association of gold complexes. View Full-Text
Keywords: gold; aurophilic; supramolecular chirality; tacticity gold; aurophilic; supramolecular chirality; tacticity
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MDPI and ACS Style

Moreno-Alcántar, G.; Salazar, L.; Romo-Islas, G.; Flores-Álamo, M.; Torrens, H. Exploring the Self-Assembled Tacticity in Aurophilic Polymeric Arrangements of Diphosphanegold(I) Fluorothiolates. Molecules 2019, 24, 4422.

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