pH-dependent conformational switching in 2,6-benzamidodiphenylacetylenes |
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| Authors: | Jones Ian M Lingard Hannah Hamilton Andrew D |
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| Affiliation: | Department of Chemistry, Yale University, P.O. Box 20810 New Haven, CT 06520, USA. |
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| Abstract: | ![]()
The conformational equilibrium of a pH-dependent switch based on an intramolecularly H-bonded diphenylacetylene can be predictably biased by using electron-donating or -withdrawing groups. Furthermore, protonation of the electron-donating dimethylamino group converts it into an electron-withdrawing dimethylammonium cation with a concomitant switch in conformation. |
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| Keywords: | conformational dynamics diphenylacetylene hydrogen bonding molecular switch pH dependence |
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