Reactivity of sodium pentaphospholide Na[cyclo‐P5] towards C≡E (E=C, N, P) triple bonds

Petrov, Andrey, Conrad, Lawrence, Coles, Nathan T. ORCID: https://orcid.org/0000-0001-6190-9080, Weber, Manuela, Andrae, Dirk, Zagidullin, Almaz, Miluykov, Vasili and Müller, Christian 2022. Reactivity of sodium pentaphospholide Na[cyclo‐P5] towards C≡E (E=C, N, P) triple bonds. Chemistry - A European Journal 28 (67) , e202203056. 10.1002/chem.202203056

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Abstract

A diglyme solution of Na[cyclo-P5] (1) reacts with alkynes and isolobal nitriles and phosphaalkynes to afford the otherwise elusive (aza)phospholide anions 2 a–c, 4 a,b, and 6. The reaction of Na[cyclo-P5] with alkynes and nitriles was studied by means of DFT methods, which suggested a concerted mechanism for the formation of 2 a and 4 b. The anions 2 a–c, 4 a,b, and 6 coordinate in an η5-fashion towards FeII to give the sandwich (aza)phosphametallocenes 3 a–c, 5 a,b and 7 in moderate to good yields. The new compounds were characterized by means of multinuclear NMR spectroscopy, single-crystal X-ray diffraction and cyclic voltammetry.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Chemistry
Publisher:	Wiley
ISSN:	0947-6539
Date of First Compliant Deposit:	4 December 2024
Date of Acceptance:	9 October 2022
Last Modified:	06 Jan 2025 10:07
URI:	https://orca.cardiff.ac.uk/id/eprint/173588

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