Tertiary amines 3-(dialkylamino)-2-hydroxypropyl 4-[(alkoxycarbonyl)amino]benzoates and their quaternary ammonium salts were synthesized. The final step of synthesis of quaternary ammonium salts was carried out by microwave-assisted synthesis. Software-calculated data provided the background needed to compare fifteen new resulting compounds by their physicochemical properties. The acid dissociation constant (pKa) and lipophilicity index (log P) of tertiary amines were determined; while quaternary ammonium salts were characterized by software-calculated lipophilicity index and surface tension. Biological evaluation aimed at testing acetylcholinesterase and butyrylcholinesterase-inhibiting activity of synthesized compounds. A possible mechanism of action of these compounds was determined by molecular modelling study using combined techniques of docking; molecular dynamics simulations and quantum mechanics calculations.

CEITEC Central European Institute of Technology Masaryk University Kamenice 753 5 62500 Brno Czech Republic

Department of Chemical Drugs Faculty of Pharmacy University of Veterinary and Pharmaceutical Sciences Palackeho 1 61242 Brno Czech Republic

Department of Natural Drugs Faculty of Pharmacy University of Veterinary and Pharmaceutical Sciences Palackeho 1 61242 Brno Czech Republic

Facultad de Química Bioquímica y Farmacia Universidad Nacional de San Luis IMIBIO SL CONICET Chacabuco 915 San Luis 5700 Argentina

Global Change Research Institute CAS Belidla 986 4a 60300 Brno Czech Republic

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$a Padrtova, Tereza $u Department of Chemical Drugs, Faculty of Pharmacy, University of Veterinary and Pharmaceutical Sciences, Palackeho 1, 61242 Brno, Czech Republic. padrtova.tereza@seznam.cz.

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$a Synthesis, Analysis, Cholinesterase-Inhibiting Activity and Molecular Modelling Studies of 3-(Dialkylamino)-2-hydroxypropyl 4-[(Alkoxy-carbonyl)amino]benzoates and Their Quaternary Ammonium Salts / $c T. Padrtova, P. Marvanova, K. Odehnalova, R. Kubinova, O. Parravicini, A. Garro, RD. Enriz, O. Humpa, M. Oravec, P. Mokry,

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$a Tertiary amines 3-(dialkylamino)-2-hydroxypropyl 4-[(alkoxycarbonyl)amino]benzoates and their quaternary ammonium salts were synthesized. The final step of synthesis of quaternary ammonium salts was carried out by microwave-assisted synthesis. Software-calculated data provided the background needed to compare fifteen new resulting compounds by their physicochemical properties. The acid dissociation constant (pKa) and lipophilicity index (log P) of tertiary amines were determined; while quaternary ammonium salts were characterized by software-calculated lipophilicity index and surface tension. Biological evaluation aimed at testing acetylcholinesterase and butyrylcholinesterase-inhibiting activity of synthesized compounds. A possible mechanism of action of these compounds was determined by molecular modelling study using combined techniques of docking; molecular dynamics simulations and quantum mechanics calculations.

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$a acetylcholinesterasa $7 D000110

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$a Marvanova, Pavlina $u Department of Chemical Drugs, Faculty of Pharmacy, University of Veterinary and Pharmaceutical Sciences, Palackeho 1, 61242 Brno, Czech Republic. marvanovap@gmail.com.

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$a Odehnalova, Klara $u Department of Chemical Drugs, Faculty of Pharmacy, University of Veterinary and Pharmaceutical Sciences, Palackeho 1, 61242 Brno, Czech Republic. odehnalovak@vfu.cz.

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$a Kubinova, Renata $u Department of Natural Drugs, Faculty of Pharmacy, University of Veterinary and Pharmaceutical Sciences, Palackeho 1, 61242 Brno, Czech Republic. kubinovar@vfu.cz.

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$a Parravicini, Oscar $u Facultad de Química, Bioquímica y Farmacia, Universidad Nacional de San Luis-IMIBIO-SL-CONICET, Chacabuco 915, San Luis 5700, Argentina. oparravicini@gmail.com.

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$a Garro, Adriana $u Facultad de Química, Bioquímica y Farmacia, Universidad Nacional de San Luis-IMIBIO-SL-CONICET, Chacabuco 915, San Luis 5700, Argentina. adrianagarrosl@gmail.com.

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$a Enriz, Ricardo D $u Facultad de Química, Bioquímica y Farmacia, Universidad Nacional de San Luis-IMIBIO-SL-CONICET, Chacabuco 915, San Luis 5700, Argentina. danielenriz@gmail.com.

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$a Humpa, Otakar $u CEITEC-Central European Institute of Technology, Masaryk University, Kamenice 753/5, 62500 Brno, Czech Republic. humpa@chemi.muni.cz.

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$a Oravec, Michal $u Global Change Research Institute CAS, Belidla 986/4a, 60300 Brno, Czech Republic. oravec.m@czechglobe.cz.

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$a Mokry, Petr $u Department of Chemical Drugs, Faculty of Pharmacy, University of Veterinary and Pharmaceutical Sciences, Palackeho 1, 61242 Brno, Czech Republic. mokryp@vfu.cz.

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