A Straightforward Modular Approach to NLO-Active <i>β</i>-Amino Vinyl Nitrothiophenes
作者:Thomas J. J. Müller、Jan P. Robert、Elmar Schmälzlin、Christoph Bräuchle、Klaus Meerholz
DOI:10.1021/ol006048z
日期:2000.8.1
[GRAPHICS]Secondary amines add very efficiently to 2-ethynyl-5-nitrothiophene to give beta-amino vinyl nitrothiophenes, a novel class of push-pull chromophores. According to first HRS measurements these highly solvochromic compounds with relatively short dipole axes display remarkably high static first hyperpolarizabilities beta(333)(0) = 29-31 x 10(-30) esu.