Aldehyde cruciforms: dosimeters for primary and secondary amines |
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Authors: | Patze Christian Broedner Kerstin Rominger Frank Trapp Oliver Bunz Uwe H F |
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Affiliation: | Organisch‐Chemisches Institut, Ruprecht‐Karls‐Universit?t Heidelberg, Im Neuenheimer Feld 270, 69120 Heidelberg (Germany), Fax: (+49)?6221–548402 |
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Abstract: | We demonstrate that aldehyde-substituted donor-acceptor cruciforms [1,4-bis(arylethynyl)-2,5-distyrylbenzenes] are useful dosimeters for primary amines, primary diamines, and secondary amines. The 1,n-diamines are particularly reactive towards this dosimeter and can be detected in less than 100 ppm concentration. Using a single aldehyde-functionalized cruciform in seven different solvents allowed us to discern fourteen different amines by digital photography and statistical evaluation of the response patterns extracted as red, green, blue (RGB) values. |
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Keywords: | aldehydes amines cruciform distyrylbenzene dosimeters fluorophores |
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