Facile synthesis of five-membered cyclic RE 2 P-H iron(0) complexes

The synthesis of five-membered P-heterocyclic iron(0) complexes possessing a P-H unit and two heteroatoms (E = O, N), directly bound to phosphorus, is described. Initial problems to achieve access "classical" reduction of P-Cl bonds of P-heterocycle complexes, , leading to P-P coupling, co...

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Bibliographic Details
Published in:Dalton transactions : an international journal of inorganic chemistry 2024-08, Vol.53 (31), p.13201-13206
Main Authors: Brehm, Philipp C, Schnakenburg, Gregor, Streubel, Rainer
Format: Article
Language:English
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Summary:The synthesis of five-membered P-heterocyclic iron(0) complexes possessing a P-H unit and two heteroatoms (E = O, N), directly bound to phosphorus, is described. Initial problems to achieve access "classical" reduction of P-Cl bonds of P-heterocycle complexes, , leading to P-P coupling, could be solved by a "combined two-step" reduction/complexation. The use of K[Fe(CO) H] not only opened access to such heterocyclic phosphane Fe(CO) complexes but also allowed the synthesis of sterically non-shielded 'secondary' heterocyclic phosphane complexes. Spectroscopic and structural parameters are discussed.
ISSN:1477-9226
1477-9234
DOI:10.1039/d4dt01313a