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American Chemical Society, Journal of Organic Chemistry, 10(77), p. 4634-4644, 2012

DOI: 10.1021/jo300373m

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Synthesis, Characterization, and Optical Properties of 4 H -Pyran-4-ylidene Donor-Based Chromophores: The Relevance of the Location of a Thiophene Ring in the Spacer

Journal article published in 2012 by Natalia Martínez de Baroja, Javier Garín, Jesús Orduna, Raquel Andreu, María Jesús Blesa, Belén Villacampa ORCID, Raquel Alicante, Santiago Franco
This paper is available in a repository.
This paper is available in a repository.

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Abstract

A series of new 4H-pyran-4-ylidene donor-based chromophores with a thiophene ring in the spacer has been synthesized. The linear and nonlinear optical (NLO) properties of these compounds have been determined and compared with the results of computational calculations. The position of the thiophene ring proved essential to optimize the figure of merit μβ, with the best results obtained when the heterocyclic system was closer to the donor moiety.