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

Martínez De Baroja, Natalia Garín, Javier Orduna, Jesús Andreu, Raquel. Blesa, María Jesús Villacampa, Belén Alicante, Raquel Franco,Santiago 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

J. org. chem.

10.1021/jo300373m 2012

2012