Copyright (c) 2025 Jinigi Prem Chand, Nowduri Annapurna, Bonige Kishore Babu, Chandaka Manmadarao

This work is licensed under a Creative Commons Attribution 4.0 International License.
Quantum-Spectroscopic, NCI Analysis and Anticancer Studies of E and Z Conformers of Rhodocorane
Corresponding Author(s) : Nowduri Annapurna
Asian Journal of Chemistry,
Vol. 37 No. 8 (2025): Vol 37 Issue 8, 2025
Abstract
In this work, theoretical methods were used to study the optimal geometries, vibrational frequencies and assignments for rhodocoranes E and Z (I & J) conformers. Time-dependent density functional theory (TD-DFT) revealed oscillator strengths and energy values aligning closely with the experiment results. Gauge-independent atomic orbital (GIAO) calculations provided 1H and 13C NMR chemical shifts, compared with the experimental data. The HOMO-LUMO analysis explored charge transfer, while natural bond orbital (NBO) analysis assessed stability via hyper-conjugation and charge delocalization. The molecular electrostatic potential (MEP) surfaces, infrared intensities and topological analyses using electron localization function (ELF) were also performed. Molecular docking studies evaluated anticancer activity against VEGFR-2 kinase inhibitors, targeting protein structures (1Y6B, 4AG8, 6GQO and 6GQP).
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D. Yadav and P.S. Negi, Food Res. Int., 148, 110599 (2021); https://doi.org/10.1016/j.foodres.2021.110599
B. Sandargo, M. Michehl, D. Praditya, E.Steinmann, M. Stadler and F. Surup, Org. Lett., 21, 3286 (2019); https://doi.org/10.1021/acs.orglett.9b01017
B. Sandargo, M. Michehl, M. Stadler and F. Surup, J. Nat. Prod., 83, 720 (2020); https://doi.org/10.1021/acs.jnatprod.9b00871
K. Kumar, R. Mehra, R.P.F. Guiné, M.J. Lima, N. Kumar, R. Kaushik, N. Ahmed, A.N. Yadav and H. Kumar, Foods, 10, 2996 (2021); https://doi.org/10.3390/foods10122996
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M. Zhao, Y. Tang, J. Xie, Z. Zhao and H. Cui, Eur. J. Med. Chem., 209, 112860 (2021); https://doi.org/10.1016/j.ejmech.2020.112860
W.C. Sum, S.S. Ebada, J. Clement Matasyoh and M. Stadler, Curr. Res. Biotechnol., 6, 100155 (2023); https://doi.org/10.1016/j.crbiot.2023.100155
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T. Lu and F. Chen, J. Comput. Chem., 33, 580 (2012); https://doi.org/10.1002/jcc.22885
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R. Dltchfield, J. Chem. Phys., 56, 5688 (1972); https://doi.org/10.1063/1.1677088
K. Wolinski, J.F. Hinton and P. Pulay, J. Am. Chem. Soc., 112, 8251 (1990); https://doi.org/10.1021/ja00179a005
E. Cancès, B. Mennucci and J. Tomasi, J. Chem. Phys., 107, 3032 (1997); https://doi.org/10.1063/1.474659
N.M. O'boyle, A.L. Tenderholt and K.M. Langner, J. Comput. Chem., 29, 839 (2007); https://doi.org/10.1002/jcc.20823
W. Humphrey, A. Dalke and K. Schulten, J. Mol. Graph., 14, 33 (1995); https://doi.org/10.1016/0263-7855(96)00018-5
J. Eberhardt, D. Santos-Martins, A.F. Tillack and S. Forli, J. Chem. Inf. Model., 61, 3891 (2021); https://doi.org/10.1021/acs.jcim.1c00203
A. O. Olegtrott, Softw. News Updat., 31, 455 (2009); https://doi.org/10.1002/jcc.21334
E.F. Pettersen, T.D. Goddard, C.C. Huang, G.S. Couch, D.M. Greenblatt, E.C. Meng and T.E. Ferrin, J. Comput. Chem., 25, 1605 (2004); https://doi.org/10.1002/jcc.20084
BIOVIA, Dassault Systèmes, BIOVIA Discovery Studio Visualiser: 2021, San Diego: Dassault Systèmes (2021).
L. Vrielynck, J.P. Cornard, J.C. Merlin and M.F. Lautie, Spectroscopy, 50, 2177 (1994); https://doi.org/10.1016/0584-8539(93)E0033-S
D.L. Pavia, G.M. Lampman, G.S. Kriz and J.R. Vyvyan, Introduction to Spectroscopy, Brooks/Cole, Cengage Learning, edn. 4 (2001).
R. Parthasarathi, J. Padmanabhan, M. Elango, V. Subramanian and P.K. Chattaraj, Chem. Phys. Lett., 394, 225 (2004); https://doi.org/10.1016/j.cplett.2004.07.002
P. Rajesh, S. Gunasekaran and A. Manikandan, J. Mol. Struct., 1144, 379 (2017); https://doi.org/10.1016/j.molstruc.2017.04.116
K.A. Ford, Mol. Pharm., 10, 1171 (2013); https://doi.org/10.1021/mp3004385
E.R. Johnson, S. Keinan, P. Mori-Sánchez, J. Contreras-García, A.J. Cohen and W. Yang, J. Am. Chem. Soc., 132, 6498 (2010); https://doi.org/10.1021/ja100936w
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A.K. Ghose, V.N. Viswanadhan and J.J. Wendoloski, J. Comb. Chem., 1, 55 (1999); https://doi.org/10.1021/cc9800071
A. Daina, O. Michielin and V. Zoete, Sci. Rep., 7, 1 (2017); https://doi.org/10.1038/srep42717
A. Daina, O. Michielin and V. Zoete, Sci. Rep., 7, 42717 (2017); https://doi.org/10.1038/srep42717
A. Daina and V. Zoete, ChemMedChem, 11, 1117 (2016); https://doi.org/10.1002/cmdc.201600182
P. Banerjee, A.O. Eckert, A.K. Schrey and R. Preissner, Nucleic Acids Res., 46(no. W1), W257 (2018); https://doi.org/10.1093/nar/gky318
P. Banerjee, A.O. Eckert, A.K. Schrey and R. Preissner, Nucleic Acids Res., 46(Web Server issue), W257 (2018); https://doi.org/10.1093/nar/gky318
P. Celec and Y. Yonemitsu, Pathophysiology, 11, 69 (2004); https://doi.org/10.1016/j.pathophys.2004.03.002