Photochemical C(sp)–C(sp2) bond activation in phosphaalkynes: a new route to reactive terminal cyaphido complexes LnM–C≡P

Görlich, Tim, Frost, Daniel S., Boback, Nico, Coles, Nathan T. ORCID: https://orcid.org/0000-0001-6190-9080, Dittrich, Birger, Müller, Peter, Jones, William D. and Müller, Christian 2021. Photochemical C(sp)–C(sp2) bond activation in phosphaalkynes: a new route to reactive terminal cyaphido complexes LnM–C≡P. Journal of the American Chemical Society 143 (46) , 19365–19373. 10.1021/jacs.1c07370

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Abstract

The photochemical activation of the C(sp)–C(sp2) bond in Pt(0)-η2-aryl-phosphaalkyne complexes leads selectively to coordination compounds of the type LnPt(aryl)(C≡P). The oxidative addition reaction is a novel, clean, and atom-economic route for the synthesis of reactive terminal Pt(II)-cyaphido complexes, which can undergo [3 + 2] cycloaddition reactions with organic azides, yielding the corresponding Pt(II)-triazaphospholato complexes. The C–C bond cleavage reaction is thermodynamically uphill. Upon heating, the reverse and quantitative reductive elimination toward the Pt(0)-phosphaalkyne-π-complex is observed.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Schools > Chemistry
Publisher:	American Chemical Society
ISSN:	0002-7863
Last Modified:	12 Nov 2024 15:30
URI:	https://orca.cardiff.ac.uk/id/eprint/173580

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