Synthesis and piezoelectric properties of <Emphasis Type="Italic">N</Emphasis>-phthaloylglutamic acid derivatives |
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| Authors: | V O Ustinova A Yu Vigorov D A Gruzdev A S Nuraeva I A Nizova E N Chulakov L Sh Sadretdinova P A Slepukhin P S Zelenovsky V Ya Shur V P Krasnov |
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| Institution: | 1.I. Ya. Postovsky Institute of Organic Synthesis,Ural Branch of the Russian Academy of Sciences,Ekaterinburg,Russian Federation;2.Institute of Natural Sciences and Mathematics,Ural Federal University,Ekaterinburg,Russian Federation;3.Institute of Chemical Engineering,Ural Federal University,Ekaterinburg,Russian Federation |
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| Abstract: | The (S,S)- and (R,R)-enantiomers of dimethyl 2,4-diphthalimidoglutarate were synthesized by nucleophilic substitution of bromine in dimethyl (2S,4RS)-4-bromo-N-phthaloyl-glutamate upon treatment with potassium phthalimide, followed by separation. The crystal structure of the obtained compounds was studied by X-ray diffraction. Crystals of enantiomerically pure dimethyl 4-hydroxy- and 4-phthalimido-N-phthaloylglutamates were found to possess a noticeable piezoelectric activity. |
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