Synthesis and Characterization of Novel Bifunctional Hemithioindigo Chromophores

2002-12-18T00:00:00Z (GMT) by Wencke Steinle Karola Rück-Braun
General methods for the synthesis of novel bifunctional hemithioindigo (HT) compounds, e.g., ω-amino acid derivatives, are presented. The photochromic properties of the photoswitches have been characterized by UV−vis and <sup>1</sup>H NMR spectroscopy.