dr. sc. Andreja Lesac
Institut Ruđer Bošković
Bijenička 54
HR-10000 Zagreb
Obrazovanje
1996 -1997 Postdoc - University of Exeter, Exeter, Velika Britanija
1993. dr.sc. - Johannes Kepler Universität Linz, Austrija, i Institut Ruđer Bošković, Zagreb, Hrvatska
1990. mr.sc. - Prirodoslovno-matematičkifakultet, Sveučilište u Zagrebu
1986. dipl.inž. kemije - Prirodoslovno-matematičkifakultet, Sveučilište u Zagrebu
Projekti
”Synthesis and investigation of the physical properties of bent-shaped dimers forming the twist-bend nematic phase” (Hrvatsko-francuski bilateralni program integriranih akcija "Cogito", 2017 - 2018)
"Kiralnost od akiralnih tekućih kristala" (Hrvatska zaklada za znanost, 2015-2017)
"Kiralni organski materijali– sintetska, strukturna i funkcionalna istraživanja " (MZOŠ, 2007. suradnik na projektu)
"New functional dendritic materials: synthesis and self-organization" (Hrvatsko-francuski bilateralni program integriranih akcija "Cogito", 2007 - 2008, voditelj projekta)
“Liquid Crystals of Bent-core Mesogens” (Anglo-Croatian Joint Project, 2003 - 2005, The Royal Society of Chemistry, voditelj projekta)
“Synthesis and Characterisation of New Chiral Liquid-crystalline Materials” (Anglo-Croatian Joint Project, The Royal Society of Chemistry, 2000 - 2002, voditelj projekta),
"Porphyrin Based Liquid Crystals" (Academic links and interchange scheme - ALIS, British Council, 1996 - 1999, voditelj projekta)
Istaknute publikacije
A. Knežević, M. Sapunar, A. Buljan, I. Dokli, Z. Hameršak, D. Kontrec, A. Lesac, "Fine-tuning effect of p–p interactions on the stability of the NTB phase" Soft Matter 14 (2018) 8466-8474, DOI: 10.1039/c8sm01569d.
A. Lesac, U. Baumeister, I. Dokli, Z. Hameršak, T. Ivšić, D. Kontrec, M. Viskić, A. Knežević, R. J. Mandle, "Geometric aspects influencing N-NTB transition - implication of intramolecular torsion" Liq. Cryst. 45 (2018) 1101-1110
A. Knežević, I. Dokli, M. Sapunar, S. Šegota, U. Baumeister, A. Lesac, "Induced smectic phase in binary mixture of twist-bend nematogens" Beilstein J. Nanotechnol. 9 (2018) 1297–1307. doi:10.3762/bjnano.9.122
T. Ivšić, M. Vinković, U. Baumeister, A. Mikleušević, A. Lesac, " Towards understanding the NTB phase: a combined experimental, computational and spectroscopic study ", RSC Adv. 6 (2016) 5000-5007.
A. Lesac, B. Donnio, D. Guillon, "Polycatenar bows with single carbon atom elbow" Soft Matter 5 (2009) 4231-4239.
M. Šepelj, A. Lesac, U. Baumeister, S. Diele, H. L. Nguyen and, D. W. Bruce "Intercalated Liquid-crystalline Phases Formed by Symmetric Dimers with an a,w-Diiminoalkylene Spacer", J. Mater. Chem., 17 (2007) 1154 – 1165.
M. Šepelj, A. Lesac, U. Baumeister, S. Diele, D. W. Bruce, Z. Hameršak "Dimeric Salicylaldimine-based Mesogens with Flexible Spacers: Parity-dependent Mesomorphism" Chem. Mater., 18 (2006) 2050-2058.
A. Lesac, S. Narančić, H. L. Nguyen, U. Baumeister, S. Diele, D. W. Bruce, “Bent-core Mesogens based on Semi-flexible Dicyclohexylmethane Spacers” Liq. Cryst. 33 (2006) 167-174.
Publikacije
Radovi u časopisima
Znanstveni i pregledni radovi
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Meyer, C., Davidson, P., Luckhurst, G., Dokli, I., Knežević, A., Lesac, A., Paterson, D., Walker, R., Storey, J., Imrie, C. & Dozov, I. (2023) Temperature Dependence of the Electroclinic Effect in the Twist-Bend Nematic Phase. Crystals, 13 (3), 465, 22 doi:10.3390/cryst13030465.
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Dokli, I., Ožegović, A., Šimanović, A., Hromin, M., Knežević, A., Višnjevac, A. & Lesac, A. (2022) Enantioselective Synthesis of 3-Aryl-3-hydroxypropanoic Esters as Subunits for Chiral Liquid Crystals. The Journal of Organic Chemistry, 87 (21), 14045-14057 doi:10.1021/acs.joc.2c01662.
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Meyer, C., Davidson, P., Constantin, D., Sergan, V., Stoenescu, D., Knežević, A., Dokli, I., Lesac, A. & Dozov, I. (2021) Fréedericksz-Like Transition in a Biaxial Smectic- A Phase. Physical review. X, 11 (3), 031012, 25 doi:10.1103/physrevx.11.031012.
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Knežević, A., Dokli, I., Novak, J., Kontrec, D. & Lesac, A. (2021) Fluorinated twist-bend nematogens: the role of intermolecular interaction. Liquid crystals, 48 (5), 756-766 doi:10.1080/02678292.2020.1817585.
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Buljan, A., Knežević, A., Dokli, I. & Lesac, A. (2019) Synthesis and Mesomorphic Properties of Novel Bent-shaped Naphthyl Diketones. Croatica chemica acta, 92 (2), 3541, 7 doi:10.5562/cca3541.
doidoi.orgfulir.irb.hrhrcak.srce.hr -
Knežević, A., Sapunar, M., Buljan, A., Dokli, I., Hameršak, Z., Kontrec, D. & Lesac, A. (2018) Fine-tuning effect of p–p interactions on the stability of the NTB phase. Soft matter, 14, 8466-8474 doi:10.1039/c8sm01569d.
doi -
Lesac, A., Baumeister, U., Dokli, I., Hameršak, Z., Ivšić, T., Kontrec, D., Viskić, M., Knežević, A. & Mandle, R. (2018) Geometric aspects influencing N-NTB transition - implication of intramolecular torsion. Liquid crystals, 45 (7), 1101-1110 doi:10.1080/02678292.2018.1453556.
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Knežević, A., Dokli, I., Sapunar, M., Šegota, S., Baumeister, U. & Lesac, A. (2018) Induced smectic phase in binary mixture of twist- bend nematogens. Beilstein Journal of Nanotechnology, 9, 1297, 11 doi:10.3762/bjnano.9.122.
doiwww.beilstein-journals.org -
Ivšić, T., Baumeister, U., Dokli, I., Mikleušević, A. & Lesac, A. (2017) Sensitivity of the NTB Phase Formation to the Molecular Structure of Imino-linked Dimers. Liquid crystals, 44 (1), 93-105 doi:10.1080/02678292.2016.1225832.
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Ivšić, T., Vinković, M., Baumeister, U., Mikleušević, A. & Lesac, A. (2016) Towards understanding the NTB phase: a combined experimental, computational and spectroscopic study. RSC Advances, 6, 5000-5007 doi:10.1039/C5RA26078G.
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Šepelj, M., Baumeister, U., Ivšić, T. & Lesac, A. (2013) Effects of Geometry and Electronic Structure on the Molecular Self-Assembly of Naphthyl-Based Dimers. The journal of physical chemistry. B, Condensed matter, materials, surfaces, interfaces & biophysical, 117 (29), 8918-8929 doi:10.1021/jp404533p.
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Gazić Smilović, I., Molčanov, K., Vinković, V., Kojić-Prodić, B. & Lesac, A. (2010) Hydrogen bonding and thermodynamic properties of (R, S)- and (R)-alanine-based selector. Journal of Molecular Structure, 980 (1-3), 51-58 doi:10.1016/j.molstruc.2010.06.036.
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Lesac, A., Donnio, B. & Guillon, D. (2009) Polycatenar bows with single carbon atom elbow. Soft Matter, 5 (21), 4231-4239 doi:10.1039/b910123c.
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Šijaković Vujičić, N., Šepelj, M., Lesac, A. & Žinić, M. (2009) Controlled self-assembly of chiral gelator molecules into aligned fibers induced by nematic to smectic B phase transitions. Tetrahedron Letters, 50 (31), 4430-4434 doi:10.1016/j.tetlet.2009.05.058.
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Moslavac Forjan, D., Vinković, M., Kontrec, D., Lesac, A. & Vinković, V. (2007) NMR and HPLC study of chiral selectors with naphthyl unit. Structural chemistry, 18 (5), 585-591 doi:10.1007/s11224-007-9195-5.
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Šepelj, M., Lesac, A., Baumeister, U., Siegmar, D., Nguyen Loc H. & Bruce, W. (2007) Intercalated liquid-crystalline phases formed by symmetric dimers with an alpha, omega-diiminoalkylene spacer. Journal of materials chemistry, 17 (12), 1154-1165 doi:10.1039/b612517d.
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Šepelj, M., Lesac, A., Baumeister, U., Diele, S., Bruce, D. & Hameršak, Z. (2006) Dimeric Salicylaldimine-based Mesogens with Flexible Spacers: Parity-dependent Mesomorphism. Chemistry of materials, 18, 2050-2058 doi:10.1021/cm0526213.
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Lesac, A., Narančić, S., Nguyen, H., Baumeister, U., Diele, S. & Bruce, D. (2006) Bent-core Mesogens based on Semi-flexible Dicyclohexylmethane Spacers. Liquid crystals, 33 (2), 167-174 doi:10.1080/02678290500168111.
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Gazić, I., Kontrec, D., Lesac, A. & Vinković, V. (2005) The enantiomeric recognition of dihydropyrimidonic compounds by chiral selectors derived from from 4- or 2-chloro-3, 5-dinitrobenzoic acid. Tetrahedron: asymmetry, 16 (6), 1175-1182 doi:10.1016/j.tetasy.2005.01.042.
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Lesac, A., Narančić, S., Šepelj, M., Šunjić, V. & Bruce, D. (2003) Synthesis of novel chiral dopants based on optically active p-substituted mandelic acid. Tetrahedron: asymmetry, 14 (18), 2731-2737 doi:10.1016/S0957-4166(03)00576-7.
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Hameršak, Z., Litvić, M., Šepac, D., Lesac, A., Raza, Z. & Šunjić, V. (2002) Efficient synthesis of chiral amides of 2-(2 '-carboxyphenyl)-4-hydroxy-quinoline. Synthesis-Stuttgart, 15, 2174-2176 doi:10.1055/s-2002-34835.
doi Kontrec, D., Vinković, V., Lesac, A., Šunjić, V. & Aced, A. (2000) Novel chiral stationary phases comprising 2, 4-(or 2, 6)-diamino-5, 6-(or 2, 5)-dichlorobenzene-1, 3-dicarbonitrile and 1-acyl (1R, 2R)-diaminocyclohexane. Enantiomer, 5 (3-4), 333-344.
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Lesac, A., Moslavac Forjan, D., Bruce, D. & Šunjić, V. (1999) (-)-Isocamphoric acid building block for chiral liquid crystals. Helvetica chimica acta, 82 (10), 1707-1715 doi:10.1002/(SICI)1522-2675(19991006)82:103.0.CO ; 2-K.
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Kontrec, D., Vinković, V., Lesac, A., Šunjić, V. & Hollosi, M. (1999) Chiroptical and conformational properties of (R)-1-phenylethylamine derivatives of persubstituted benzene. Tetrahedron : asymmetry, 10 (10), 1935-1945 doi:10.1016/S0957-4166(99)00171-8.
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Avdagić, A., Lesac, A. & Šunjić, V. (1999) First example of the solvent effect on absolute conformation of chiral 3, 3-disubstituted 1, 4-benzodiazepin-2-ones. Tetrahedron, 55 (5), 1407-1416 doi:10.1016/S0040-4020(98)01113-2.
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Avdagić, A., Lesac, A., Majer, Z., Hollosi, M. & Šunjić, V. (1998) Lipase-catalyzed acetylation of 3-substituted 2, 3-dihydro-1H-1, 4-benzodiazepin-2-ones : effect of temperature and conformation on enantioselectivity and configuration. Helvetica chimica acta, 81 (8), 1567-1582 doi:10.1002/hlca.19980810558.
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Hameršak, Z., Selestrin, A., Lesac, A. & Šunjić, V. (1998) Conformational study of a-arylethylamides of (-)-camphanic acid. Tetrahedron: asymmetry, 9 (11), 1891-1897 doi:10.1016/S0957-4166(98)00162-1.
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Avdagić, A., Cotarca, L., Hameršak, Z., Hollosi, M., Ljubović, E., Šuste, A. & Šunjić, V. (1997) Longe-distance Controle in Stereoselective Reduction of 3-[3-(4"-Bromo[1, 1"-biphenyl]-4-yl)-3-keto-1-phenylpropyl]-4-hydroxy-2H-1-benzopyran-2-one - Relative Configuration of Prevailing Diastereomer and Absolute Configuration of its Enantiomers. Chirality, 9 (5-6), 512-522 doi:10.1002/(SICI)1520-636X(1997)9:5/63.0.CO ; 2-R.
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Đaković, S., Liščić-Tumir, L., Kirin, S., Vinković, V., Raza, Z., Šuste, A. & Šunjić, V. (1997) Enantioselectivity in Cyclopropanation Catalyzed by Cu(I) Catalytic Complexes Increased by pi Stacking of Two Monodentate Ligands. Journal of Molecular Catalysis. A, Chemical, 118 (1), 27-31 doi:10.1016/S1381-1169(96)00113-6.
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Šuste, A. & Šunjić, V. (1996) Synthesis and mesomorphic properties of novel phenacylpyridines and their copper (II) complexes. Liquid crystals, 20 (2), 219-224 doi:10.1080/02678299608031128.
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Šuste, A., Moslavac, D. & Šunjić, V. (1996) Synthesis and mesomorphic properties of naphth-2-yl 2-pyridylmethyl ketones and their copper(II) complexes. Liquid crystals, 21 (3), 383-388 doi:10.1080/02678299608032847.
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Vicković, I., Šuste, A., Falk, H., Košutić Hulita, N. & Tonejić, A. (1995) Synthesis and structures of pyridinologous linear tri- and tetrapyrrole metal complexes. Monatshefte für Chemie, 126 (8-9), 971-982 doi:10.1007/bf00811017.
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Falk, H. & Šuste, A. (1994) On the Chemistry of Pyrrole Pigments, XCI: Copper Complexes of Pyridinologous Linear Tri- and Tetrapyrroles as Cyclopropanation Catalysts. Monatshefte für Chemie, 125 (3), 325-333 doi:10.1007/BF00811318.
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Falk, H. & Šuste, A. (1993) On the chemistry of pyrrole pigments, XC: Pyridinologous linear tri- and tetrapyrroles. Monatshefte für Chemie Chemical Monthly, 124 (8-9), 881-891 doi:10.1007/bf00816411.
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Juršić, B. & Galoši, A. (1989) The Hydrogenolysis of Organic Halides with Zinc Dust in Micelle. Synthetic communications, 19 (9-10), 1649-1653 doi:10.1080/00397918908051062.
doidoi.org Galoši, A., Deljac, A., Deljac, V., Binenfeld, Z. & Maksimović, M. (1988) Reactivators of acetylcholinesterase inhibited by organo-phosphorus compounds - imidazole derivatives. Acta pharmaceutica Iugoslavica, 38 (1), 23-29.
Radovi u zbornicima skupova
Znanstveni radovi u zbornicima skupova
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Meyer, C., Dozov, I., Davidson, P., Luckhurst, G., Dokli, I., Knežević, A. & Lesac, A. (2018) Electric-field effects in the twist-bend nematic phase. U: Chien, L. (ur.)Proc. SPIE 10555 doi:10.1117/12.2301296.
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Članstva u profesionalnim udrugama / društvima
Croatian Chemical Society, 1993-