Balancing Bulkiness in Gold(I) Phosphino-Triazole Catalysis

Zhao, Yiming; Wakeling, Matthew; Meloni, Fernanda; Sum, Tze Jing; Nguyen, Huy V.; Buckley, Benjamin R.; Davies, Paul W.; Fossey, John

doi:10.26434/chemrxiv.8264123

Cited by 2 publications

(3 citation statements)

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“…[25] A pre-peerreview version of this manuscript has been submitted to a preprint repository. [26] CCDC 1922101 (for 4a), 1922102 (for 4b), 1922103 (for 5), 1922104 (for 8a), 1922105 (for 8b), 1922106 (for 9a), 1922107 (for 9b), 1922108 (for 10), 1922109 (for 11), 1922110 (for 12), and 1922111 (for S5 (see supplementary material)) contain the supplementary crystallographic data for this paper. These data can be obtained free of charge from The Cambridge Crystallographic Data Centre.…”

Section: Discussionmentioning

confidence: 99%

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Balancing Bulkiness in Gold(I) Phosphino‐triazole Catalysis

et al. 2019

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The syntheses of a series of 1‐phenyl‐5‐phosphino 1,2,3‐triazoles are disclosed, within which, the phosphorus atom (at the 5‐position of a triazole) is appended by one, two or three triazole motifs, and the valency of the phosphorus(III) atom is completed by two, one or zero ancillary (phenyl or cyclohexyl) groups respectively. This series of phosphines was compared with tricyclohexylphosphine and triphenylphosphine to study the effect of increasing the number of triazoles appended to the central phosphorus atom from zero to three triazoles. Gold(I) chloride complexes of the synthesised ligands were prepared and analysed by techniques including single‐crystal X‐ray diffraction structure determination. Gold(I) complexes were also prepared from 1‐(2,6‐dimethoxy)‐phenyl‐5‐dicyclohexyl‐phosphino 1,2,3‐triazole and 1‐(2,6‐dimethoxy)‐phenyl‐5‐diphenyl‐phosphino 1,2,3‐triazole ligands. The crystal structures thus obtained were examined using the SambVca (2.0) web tool and percentage buried volumes determined. The effectiveness of these gold(I) chloride complexes to serve as precatalysts for alkyne hydration were assessed. Furthermore, the regioselectivity of hydration of but‐1‐yne‐1,4‐diyldibenzene was probed.

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Section: Discussionmentioning

confidence: 99%

“…Citations therein refer to methods, data and software used . A pre‐peer‐review version of this manuscript has been submitted to a preprint repository …”

Section: Discussionmentioning

confidence: 99%

Balancing Bulkiness in Gold(I) Phosphino‐triazole Catalysis

et al. 2019

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Balancing Bulkiness in Gold(I) Phosphino-Triazole Catalysis

Zhao¹,

Wakeling²,

Meloni³

et al. 2019

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A series of phosphino triazoles are disclosed, within which, the phosphorus atom is appended by one, two or three triazole motifs. Gold(I) chloride complexes of the synthesised ligands were prepared and analysed by techniques including single crystal X-ray diffraction structure determination. <i>SambVca</i> (2.0) was used to determine percentage buried volumes. The effectiveness of these gold(I) chloride complexes to serve as precatalysts for alkyne hydration were assessed.<br>

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Balancing Bulkiness in Gold(I) Phosphino-Triazole Catalysis

Cited by 2 publications

References 12 publications

Balancing Bulkiness in Gold(I) Phosphino‐triazole Catalysis

Balancing Bulkiness in Gold(I) Phosphino‐triazole Catalysis

Balancing Bulkiness in Gold(I) Phosphino-Triazole Catalysis

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