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Decarbonylation of aliphatic aldehydes by a tpme2ir(iii) metallacyclopentadiene

AuthorsRoa, Arián E.; Salazar, Verónica; López-Serrano, Joaquín ; Oñate, Enrique ; Paneque, Margarita ; Poveda, Manuel L.
Issue Date2012
PublisherAmerican Chemical Society
CitationOrganometallics 31(2): 716-721 (2012)
AbstractThe Ir(III) compound TpMe 2Ir[C(CO 2Me)= C(CO 2Me)C(CO 2Me)=C(CO 2Me)](OH 2) (1) reacts thermally with aliphatic aldehydes RC(O)H (R = Me, tBu) to lead to the decarbonylation products TpMe 2Ir[C(CO 2Me)=C- (CO 2Me)C(CO 2Me)=C(CO 2Me)](CO) (2) and RH. In turn, formaldehyde reacts with 1, yielding a product resulting from the hydrogenation of one of the double bonds of the iridacycle. Theoretical calculations reveal the role of the metallacycle as a shuttle for the transfer of the aldehyde H atom. Under photochemical (UV) irradiation, the decarbonylation reaction becomes catalytic for a variety of aliphatic aldehydes. © 2012 American Chemical Society.
Identifiersdoi: 10.1021/om201094q
issn: 0276-7333
e-issn: 1520-6041
Appears in Collections:(ISQCH) Artículos
(IIQ) Artículos
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