1284220-81-0Relevant articles and documents
Modulation of color change and photocyclization of diarylethene with metal complex
Liu, Huan-Huan,Chen, Yi
, p. 517 - 521 (2011)
Modulation of color change and photocyclization of diarylethene with metal complex is described. A diarylethene derivative with 4-(ethylideneamino) phenol group 1a is prepared and photochromic behavior is investigated. It is found that 1a exhibits ring-opening and ring-closing photoisomerization with UV/Vis light irradiation in solution. Addition of Cu(OAc)2 to the solution of 1a produces a metal complex 1a-Cu, which generates not only marked color change but also significant promotion in photocyclization. Copyright 2010 John Wiley & Sons, Ltd. Modulation of color change and photocyclization of diarylethene with metal complex has been demonstrated. Diarylethene-metal complex generates not only marked color change but also significant promotion in photocyclization, which may provide a simple and convenient way to modulate the color and the photocyclization of diarylethene system. Copyright
Carbon dioxide and water as a key for unlocking photochromism of diarylethene derivative
Liu, Huan-Huan,Chen, Yi
scheme or table, p. 103 - 107 (2010/11/24)
A photochromic diarylethene derivative with 4-(ethylideneamino) phenol group (1a) is prepared, and 1a exhibits ring-opening and ring-closing photoisomerization with UV/vis light irradiation in solution. Addition of base to both solution of ring-open isomer 1a and ring-closed isomer 1b produces deprotonated compounds 2a and 2b, respectively, and both 2a and 2b are photo-inactive and no photochemical reaction is detected in solution in the absence of carbon dioxide and water. Both 2a and 2b are, however, converted back to 1a and 1b when the solution contains carbon dioxide and water, and photochromic reaction is recovered. This may provide a means to generate a gate for non-destructive readout. Meanwhile, the conversion between species is accompanied color change in a wide range by combination of photo-trigger and chemical trigger. The system endowed with multi-responsive functionality for multi-color change is beneficial for applications such as display and camouflage.
