Spg. Costa et al., Synthesis of thieno[2,3-d]thiazole derived dyes with potential applicationin nonlinear optics, AN QUIM-INT, 94(4-5), 1998, pp. 186-188
Organic dyes of the "donor-acceptor" type are of interest for NLO applicati
ons. In the present communication six dyes were prepared by annelation of a
thiophene ring to the thiazole nucleus in dye 1, in yields 23-38%.