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Cycloaddition reactions of polyenic donor-π-acceptor systems with an electron-rich alkyne: Access to new chromophores with second-order optical nonlinearities

AuthorsGalán, Elena; Andreu, Raquel; Garín, Javier; Orduna, Jesús ; Villacampa, Belén; Diosdado, Beatriz E.
Issue Date2012
PublisherRoyal Society of Chemistry (UK)
CitationOrganic and Biomolecular Chemistry 10(43): 8684-8691 (2012)
AbstractThe formal [2 + 2] cycloaddition-cycloreversion (CA-CR) between 4-ethynyl-N,N-dimethylaniline and polyenic Donor-π-Acceptor (D-π-A) systems takes place to yield compounds bearing two donors and one acceptor. Structural, linear and second-order nonlinear optical (NLO) properties of the new molecules reveal the stronger polarization of these systems when compared to analogous merocyanines lacking the dimethylaminophenyl (DMA) ring. © 2012 The Royal Society of Chemistry.
Identifiersdoi: 10.1039/C2OB26515J
issn: 1477-0520
e-issn: 1477-0539
Appears in Collections:(ICMA) Artículos
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