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Asymmetric cationic phosphines: synthesis, coordination chemistry, and reactivity

Kariuki, Benson M. ORCID: and Newman, Paul D. ORCID: 2018. Asymmetric cationic phosphines: synthesis, coordination chemistry, and reactivity. Inorganic Chemistry 57 (15) , pp. 9554-9563. 10.1021/acs.inorgchem.8b01657

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A single enantiomer of a cationic phosphine, [α-CgPAmHMe]BF4 has been synthesized and coordinated to Rh(I), Au(I), Ag(I), Cu(I), and Pt(0). Analysis of pertinent empirical data reveals the ligand to be highly electron-withdrawing due to the cationic amidinium group directly bound to the phosphorus. The N−P bond connecting the amidinium and the phosphacycle is susceptible to attack by nucleophiles (H2O, OH−) when coordinated leading to bond rupture and release of the neutral amidine group. These fortuitous observations suggest that [α-CgPAmHMe]BF4 may be a very useful synthon for the production of novel asymmetric phosphines.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Publisher: American Chemical Society
ISSN: 0020-1669
Date of First Compliant Deposit: 25 July 2018
Date of Acceptance: 5 July 2018
Last Modified: 07 Nov 2023 01:25

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