1
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Aboshouk DR, Youssef MA, Bekheit MS, Hamed AR, Girgis AS. Antineoplastic indole-containing compounds with potential VEGFR inhibitory properties. RSC Adv 2024; 14:5690-5728. [PMID: 38362086 PMCID: PMC10866129 DOI: 10.1039/d3ra08962b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Accepted: 01/29/2024] [Indexed: 02/17/2024] Open
Abstract
Cancer is one of the most significant health challenges worldwide. Various techniques, tools and therapeutics/materials have been developed in the last few decades for the treatment of cancer, together with great interest, funding and efforts from the scientific society. However, all the reported studies and efforts seem insufficient to combat the various types of cancer, especially the advanced ones. The overexpression of tyrosine kinases is associated with cancer proliferation and/or metastasis. VEGF, an important category of tyrosine kinases, and its receptors (VEGFR) are hyper-activated in different cancers. Accordingly, they are known as important factors in the angiogenesis of different tumors and are considered in the development of effective therapeutic approaches for controlling many types of cancer. In this case, targeted therapeutic approaches are preferable to the traditional non-selective approaches to minimize the side effects and drawbacks associated with treatment. Several indole-containing compounds have been identified as effective agents against VEGFR. Herein, we present a summary of the recent indolyl analogs reported within the last decade (2012-2023) with potential antineoplastic and VEGFR inhibitory properties. The most important drugs, natural products, synthesized potent compounds and promising hits/leads are highlighted. Indoles functionalized and conjugated with various heterocycles beside spiroindoles are also considered.
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Affiliation(s)
- Dalia R Aboshouk
- Department of Pesticide Chemistry, National Research Centre Dokki Giza 12622 Egypt
| | - M Adel Youssef
- Department of Chemistry, Faculty of Science, Helwan University Helwan Egypt
| | - Mohamed S Bekheit
- Department of Pesticide Chemistry, National Research Centre Dokki Giza 12622 Egypt
| | - Ahmed R Hamed
- Chemistry of Medicinal Plants Department, National Research Centre Dokki Giza 12622 Egypt
| | - Adel S Girgis
- Department of Pesticide Chemistry, National Research Centre Dokki Giza 12622 Egypt
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2
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Azomethine Ylides-Versatile Synthons for Pyrrolidinyl-Heterocyclic Compounds. Molecules 2023; 28:molecules28020668. [PMID: 36677727 PMCID: PMC9866015 DOI: 10.3390/molecules28020668] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 01/03/2023] [Accepted: 01/04/2023] [Indexed: 01/11/2023] Open
Abstract
Azomethine ylides are nitrogen-based three-atom components commonly used in [3+2]-cycloaddition reactions with various unsaturated 2π-electron components. These reactions are highly regio- and stereoselective and have attracted the attention of organic chemists with respect to the construction of diverse heterocycles potentially bearing four new contiguous stereogenic centers. This review article complies the most important [3+2]-cycloaddition reactions of azomethine ylides with various olefinic, unsaturated 2π-electron components (acyclic, alicyclic, heterocyclic, and exocyclic ones) reported over the past two decades.
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3
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Mohamed Yusoff N, Osman H, Katemba V, Abd Ghani MS, Supratman U, Che Omar MT, Murugaiyah V, Xiang Ren, Six Y, Azmi MN. Design, synthesis and cholinesterase inhibitory activity of new dispiro pyrrolidine derivatives. Tetrahedron 2022. [DOI: 10.1016/j.tet.2022.133115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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4
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Girgis AS, D'Arcy P, Aboshouk DR, Bekheit MS. Synthesis and bio-properties of 4-piperidone containing compounds as curcumin mimics. RSC Adv 2022; 12:31102-31123. [DOI: 10.1039/d2ra05518j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Accepted: 10/23/2022] [Indexed: 11/05/2022] Open
Abstract
3,5-Diyliden-4-piperidone scaffold are considered as curcumin mimic exhibiting diverse bio-properties.
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Affiliation(s)
- Adel S. Girgis
- Department of Pesticide Chemistry, National Research Centre, Dokki, Giza 12622, Egypt
| | - Padraig D'Arcy
- Department of Biomedical and Clinical Sciences, Linköping University, SE-581 83, Linköping, Sweden
| | - Dalia R. Aboshouk
- Department of Pesticide Chemistry, National Research Centre, Dokki, Giza 12622, Egypt
| | - Mohamed S. Bekheit
- Department of Pesticide Chemistry, National Research Centre, Dokki, Giza 12622, Egypt
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5
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Mohamed Yusoff N, Osman H, Katemba V, Abd Ghani MS, Supratman U, Che Omar MT, Murugaiyah V, Six Y, Mohamad Taib MNA. Design, Synthesis and Cholinesterase Inhibitory Activity of New Dispiro Pyrrolidine Derivatives. SSRN ELECTRONIC JOURNAL 2022. [DOI: 10.2139/ssrn.4109373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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6
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Tailor YK, Khandelwal S, Verma K, Gopal R, Kumar M. Multicomponent synthesis of dispiroheterocycles using a magnetically separable and reusable heterogeneous catalyst. RSC Adv 2020; 10:36713-36722. [PMID: 35517964 PMCID: PMC9057058 DOI: 10.1039/d0ra06676a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Accepted: 09/22/2020] [Indexed: 01/10/2023] Open
Abstract
Dispiroheterocycles have been synthesized by pseudo-four component reaction of 6-aminouracil/6-amino-2-thiouracil/2-amino-1,3,4-thiadiazole, p-toluidine and isatins in an ethanol-water mixture as solvent using β-cyclodextrin functionalized Fe3O4 nanoparticles as a magnetically separable and reusable heterogeneous catalyst. The nanocatalyst was synthesized and characterized by physicochemical characterization including Fourier-transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy-dispersive X-ray spectroscopy (EDX), and X-ray diffraction (XRD).
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Affiliation(s)
- Yogesh Kumar Tailor
- Department of Chemistry, University of Rajasthan Jaipur India +91-0141-2702720
| | - Sarita Khandelwal
- Department of Chemistry, University of Rajasthan Jaipur India +91-0141-2702720
| | - Kanchan Verma
- Department of Chemistry, University of Rajasthan Jaipur India +91-0141-2702720
| | - Ram Gopal
- Department of Chemistry, University of Rajasthan Jaipur India +91-0141-2702720
| | - Mahendra Kumar
- Department of Chemistry, University of Rajasthan Jaipur India +91-0141-2702720
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7
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Shalaby EM, Srour AM, Panda SS, George RF, Fitch AN, Girgis AS. Synthesis, X-ray powder diffraction and DFT-D studies of indole-based compounds. ACTA ACUST UNITED AC 2017. [DOI: 10.1515/zkri-2017-2106] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Four indole-based compounds have been synthesized and their crystal structures determined using high-resolution synchrotron powder X-ray diffraction. In vacuo density function theory (DFT) optimization has been used in building initial molecular models for structure solution with the help of the Cambridge structure database. All four compounds were found to crystallize in the monoclinic space group P21/c. Dispersion-corrected DFT (DFT-D) has been used for experimental crystal structure validation with acceptable agreement found between the DFT-optimized and final refined structures. Three of the compounds exhibit bronchodilation properties with potency comparable to the theophylline (standard reference).
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Affiliation(s)
- ElSayed M. Shalaby
- X-Ray Crystallography Lab., Physics Division, National Research Centre , Dokki, Giza 12622 , Egypt
| | - Aladdin M. Srour
- Therapeutical Chemistry Department, National Research Centre , Dokki, Giza 12622 , Egypt
| | - Siva S. Panda
- Department of Chemistry and Physics , Augusta University , Augusta, GA 30912 , USA
| | - Riham F. George
- Pharmaceutical Chemistry Department, Faculty of Pharmacy , Cairo University , Cairo , Egypt
| | - Andrew N. Fitch
- European Synchrotron Radiation Facility , CS40220 , 38043 Grenoble Cedex 9 , France
| | - Adel S. Girgis
- Pesticide Chemistry Department, National Research Centre , Dokki, Giza 12622 , Egypt
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8
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Synthesis and 2D-QSAR Study of Active Benzofuran-Based Vasodilators. Molecules 2017; 22:molecules22111820. [PMID: 29072621 PMCID: PMC6150240 DOI: 10.3390/molecules22111820] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2017] [Accepted: 10/22/2017] [Indexed: 02/03/2023] Open
Abstract
A new series of 2-alkyloxy-pyridine-3-carbonitrile-benzofuran hybrids (4a–x) was synthesized. All the new derivatives were examined via the standard technique for their vasodilation activity. Some of the investigated compounds exhibited a remarkable activity, with compounds 4w, 4e, 4r, 4s, 4f and 4g believed to be the most active hits in this study with IC50 values 0.223, 0.253, 0.254, 0.268, 0.267 and 0.275 mM, respectively, compared with amiodarone hydrochloride, the reference standard used (IC50 = 0.300 mM). CODESSA PRO was employed to obtain a statistically significant 2-Dimensional Quantitative Structure Activity Relationship (2D-QSAR) model describing the bioactivity of the newly synthesized analogs (N = 24, n = 4, R2 = 0.816, R2cvOO = 0.731, R2cvMO = 0.772, F = 21.103, s2 = 6.191 × 10−8).
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9
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Soliman EA, Panda SS, Aziz MN, Shalaby EM, Mishriky N, Asaad FM, Girgis AS. Synthesis, molecular modeling studies and bronchodilation properties of nicotinonitrile containing-compounds. Eur J Med Chem 2017; 138:920-931. [PMID: 28753516 DOI: 10.1016/j.ejmech.2017.07.025] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Revised: 06/30/2017] [Accepted: 07/16/2017] [Indexed: 12/13/2022]
Abstract
Facile synthetic pathway for nicotinonitriles 5a‒o, 7a‒i was demonstrated through reaction of ketones 4a‒k, 6a‒f with ylidenemalononitrile 3 in the presence of sodium alkoxide. Meanwhile, nucleophilic attack of amines on 2-bromonicotinonitrile 9 (obtained through reaction of propenone 8 with malononitrile, followed by bromination with bromine in acetic acid) afforded 3-pyridinecarbonitriles 11a‒d. Single crystal X-ray of compound 7i reveals the monoclinic space group C2/c with 8 molecules per unit cell. Optimized structure of 7i [DFT/B3LYP, 6-31G(d,p)] shows close correlations to that of X-ray study. Compound 5l seems superior among all the synthesized analogues exhibiting bronchodilation properties about three folds potency compared to theophylline (standard reference) through pre-contracted tracheal rings with histamine standard method. Also compound 5a reveals promising observations (about two folds potency of the standard reference). Molecular modeling studies (3D-pharmacophore and 2D-QSAR) supported the observed biological properties.
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Affiliation(s)
- E A Soliman
- Chemistry Department, Faculty of Science, Ain Shams University, Cairo, Egypt
| | - Siva S Panda
- Department of Chemistry & Physics, Augusta University, Augusta, GA 30912, USA
| | - Marian N Aziz
- Pesticide Chemistry Department, National Research Centre, Dokki, Giza 12622, Egypt
| | - ElSayed M Shalaby
- X-ray Crystallography Laboratory, Physics Division, National Research Centre, Dokki, Giza 12622, Egypt
| | - Nawal Mishriky
- Pesticide Chemistry Department, National Research Centre, Dokki, Giza 12622, Egypt
| | - Fahmy M Asaad
- Pesticide Chemistry Department, National Research Centre, Dokki, Giza 12622, Egypt
| | - Adel S Girgis
- Pesticide Chemistry Department, National Research Centre, Dokki, Giza 12622, Egypt.
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10
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Faidallah HM, Panda SS, Serrano JC, Girgis AS, Khan KA, Alamry KA, Therathanakorn T, Meyers MJ, Sverdrup FM, Eickhoff CS, Getchell SG, Katritzky AR. Synthesis, antimalarial properties and 2D-QSAR studies of novel triazole-quinine conjugates. Bioorg Med Chem 2016; 24:3527-39. [DOI: 10.1016/j.bmc.2016.05.060] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2016] [Revised: 05/23/2016] [Accepted: 05/28/2016] [Indexed: 10/24/2022]
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11
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Panda SS, Detistov OS, Girgis AS, Mohapatra PP, Samir A, Katritzky AR. Synthesis and molecular modeling of antimicrobial active fluoroquinolone–pyrazine conjugates with amino acid linkers. Bioorg Med Chem Lett 2016; 26:2198-205. [DOI: 10.1016/j.bmcl.2016.03.062] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2016] [Revised: 03/14/2016] [Accepted: 03/15/2016] [Indexed: 01/14/2023]
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12
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Girgis AS, Aziz MN, Shalaby EM, Saleh DO, Mishriky N, El-Eraky WI, Farag IA. Molecular structure studies of novel bronchodilatory-active 4-azafluorenes. ACTA ACUST UNITED AC 2016. [DOI: 10.1515/zkri-2015-1892] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Abstract
Two 5H-indeno[1,2-b]pyridines, 7a and 7b, were synthesized and characterized by X-ray crystallography. In the molecular packing, molecules of 7a are linked into chains by C–H···N hydrogen bond which, in turn, are connected by H···π, N···π, Cl···π and π···π interactions. In the crystal structure of 7b, molecules are connected by C–H···N and C–H···Cl interactions as well as a set of N···π and Cl···π interactions. The molecular structures were studied by theory using AM1, PM3 and DFT. The basic difference between the theoretical and experimental structures was found in the relative orientation of dichlorophenyl ring attached to the indenopyridine residue, which was revealed to be aligned in nearly opposite orientations. This observation is attributed to the bulky chlorine atom(s) of the phenyl ring that prevent free rotation around the sigma bond attaching this ring with the heterocyclic system. DFT was used to determine the molecular electrostatic potential revealing the nitrile nitrogen to be the most nucleophilic site. A low HOMO-LUMO energy gap indicates high reactivity of 7a and 7b. The synthesized azafluorenes show more potent bronchodilation properties than the standard reference compound (theophylline).
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Affiliation(s)
- Adel S. Girgis
- Pesticide Chemistry Department, National Research Centre, Dokki, Giza 12622, Egypt
| | - Marian N. Aziz
- Pesticide Chemistry Department, National Research Centre, Dokki, Giza 12622, Egypt
| | - ElSayed M. Shalaby
- X-ray Crystallography Laboratory, Physics Division, National Research Centre, Dokki, Giza 12622, Egypt
| | - Dalia O. Saleh
- Pharmacology Department, National Research Centre, Dokki, Giza 12622, Egypt
| | - Nawal Mishriky
- Pesticide Chemistry Department, National Research Centre, Dokki, Giza 12622, Egypt
| | - Wafaa I. El-Eraky
- Pharmacology Department, National Research Centre, Dokki, Giza 12622, Egypt
| | - I.S. Ahmed Farag
- X-ray Crystallography Laboratory, Physics Division, National Research Centre, Dokki, Giza 12622, Egypt
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13
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Ismail NSM, George RF, Serya RAT, Baselious FN, El-Manawaty M, Shalaby EM, Girgis AS. Rational design, synthesis and 2D-QSAR studies of antiproliferative tropane-based compounds. RSC Adv 2016. [DOI: 10.1039/c6ra21486j] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Novel tropane-based compounds were synthesized exhibiting antiproliferative properties against HepG2 and MCF7 carcinoma cell lines.
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Affiliation(s)
- Nasser S. M. Ismail
- Pharmaceutical Chemistry Department
- Faculty of Pharmaceutical Sciences and Pharmaceutical Industries
- Future University
- Cairo 12311
- Egypt
| | - Riham F. George
- Pharmaceutical Chemistry Department
- Faculty of Pharmacy
- Cairo University
- Cairo
- Egypt
| | - Rabah A. T. Serya
- Pharmaceutical Chemistry Department
- Faculty of Pharmacy
- Ain Shams University
- Cairo
- Egypt
| | - Fady N. Baselious
- Research and Development Department
- Global Napi Pharmaceuticals
- 6th October City
- Egypt
| | - May El-Manawaty
- Pharmacognosy Department
- National Research Centre
- Giza 12622
- Egypt
| | - ElSayed M. Shalaby
- X-Ray Crystallography Lab
- Physics Division
- National Research Centre
- Giza 12622
- Egypt
| | - Adel S. Girgis
- Pesticide Chemistry Department
- National Research Centre
- Giza 12622
- Egypt
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14
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George RF, Saleh DO. Synthesis, vasorelaxant activity and 2D-QSAR study of some novel pyridazine derivatives. Eur J Med Chem 2016; 108:663-673. [DOI: 10.1016/j.ejmech.2015.12.015] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2015] [Revised: 12/08/2015] [Accepted: 12/09/2015] [Indexed: 10/22/2022]
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15
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George RF, Panda SS, Shalaby ESM, Srour AM, Farag ISA, Girgis AS. Synthesis and molecular modeling studies of indole-based antitumor agents. RSC Adv 2016. [DOI: 10.1039/c6ra07061b] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Potent antitumor active (HeLa, cervical carcinoma cell line) indole-based compounds were synthesized via azomethine ylide 1,3-dipolar cycloaddition with 3,5-arylidene-4-piperidones.
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Affiliation(s)
- Riham F. George
- Pharmaceutical Chemistry Department
- Faculty of Pharmacy
- Cairo University
- Cairo
- Egypt
| | - Siva S. Panda
- Department of Chemistry & Physics
- Augusta University
- Augusta
- USA
| | - El-Sayed M. Shalaby
- X-Ray Crystallography Lab
- Physics Division
- National Research Centre
- Giza 12622
- Egypt
| | - Aladdin M. Srour
- Therapeutical Chemistry Department
- National Research Centre
- Giza 12622
- Egypt
| | - I. S. Ahmed Farag
- X-Ray Crystallography Lab
- Physics Division
- National Research Centre
- Giza 12622
- Egypt
| | - Adel S. Girgis
- Pesticide Chemistry Department
- National Research Centre
- Giza 12622
- Egypt
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16
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Shalaby EM, Girgis AS, Farag H, Mabied AF, Fitch AN. Synthesis, X-ray powder diffraction and DFT calculations of vasorelaxant active 3-(arylmethylidene)pyrrolidine-2,5-diones. RSC Adv 2016. [DOI: 10.1039/c6ra24302a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Two 3-(arylmethylidene)pyrrolidine-2,5-diones, 12a and 12b, were synthesized and characterized by powder X-ray diffraction utilizing a high-resolution synchrotron X-ray powder technique as well as DFT calculations.
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Affiliation(s)
- ElSayed M. Shalaby
- European Synchrotron Radiation Facility
- 38043 Grenoble Cedex 9
- France
- X-Ray Crystallography Lab
- Physics Division
| | - Adel S. Girgis
- Pesticide Chemistry Department
- National Research Centre
- Dokki
- Egypt
| | - Hanaa Farag
- Pesticide Chemistry Department
- National Research Centre
- Dokki
- Egypt
| | - Ahmed F. Mabied
- X-Ray Crystallography Lab
- Physics Division
- National Research Centre
- Dokki
- Egypt
| | - Andrew N. Fitch
- European Synchrotron Radiation Facility
- 38043 Grenoble Cedex 9
- France
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17
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Ravikumar K, Sridhar B, Nanubolu JB, Karthik G, Reddy BVS. Structural consequences of weak interactions in dispirooxindole derivatives. ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY 2015; 71:1001-9. [PMID: 26524175 DOI: 10.1107/s2053229615019610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2015] [Accepted: 10/16/2015] [Indexed: 11/10/2022]
Abstract
Spiro scaffolds are being increasingly utilized in drug discovery due to their inherent three-dimensionality and structural variations, resulting in new synthetic routes to introduce spiro building blocks into more pharmaceutically active molecules. Multicomponent cascade reactions, involving the in situ generation of carbonyl ylides from α-diazocarbonyl compounds and aldehydes, and 1,3-dipolar cycloadditon with 3-arylideneoxindoles gave a novel class of dispirooxindole derivatives, namely 1,1''-dibenzyl-5'-(4-chlorophenyl)-4'-phenyl-4',5'-dihydrodispiro[indoline-3,2'-furan-3',3''-indoline]-2,2''-dione, C44H33ClN2O3, (I), 1''-acetyl-1-benzyl-5'-(4-chlorophenyl)-4'-phenyl-4',5'-dihydrodispiro[indoline-3,2'-furan-3',3''-indoline]-2,2''-dione, C39H29ClN2O4, (II), 1''-acetyl-1-benzyl-4',5'-diphenyl-4',5'-dihydrodispiro[indoline-3,2'-furan-3',3''-indoline]-2,2''-dione, C39H30N2O4, (III), and 1''-acetyl-1-benzyl-4',5'-diphenyl-4',5'-dihydrodispiro[indoline-3,2'-furan-3',3''-indoline]-2,2''-dione acetonitrile hemisolvate, C39H30N2O4·0.5C2H3N, (IV). All four compounds exist as racemic mixtures of the SSSR and RRRS stereoisomers. In these structures, the two H atoms of the dihydrofuran ring and the two substituted oxindole rings are in a trans orientation, facilitating intramolecular C-H···O and π-π interactions. These weak interactions play a prominent role in the structural stability and aid the highly regio- and diastereoselective synthesis. In each of the four structures, the molecular assembly in the crystal is also governed by weak noncovalent interactions. Compound (IV) is the solvated analogue of (III) and the two compounds show similar structural features.
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Affiliation(s)
- Krishnan Ravikumar
- X-ray Crystallography Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India
| | - Balasubramanian Sridhar
- X-ray Crystallography Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India
| | - Jagadeesh Babu Nanubolu
- X-ray Crystallography Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India
| | - Govindaraju Karthik
- Natural Product Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India
| | - Basi Venkata Subba Reddy
- Natural Product Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India
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18
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Ibrahim MA, Panda SS, Oliferenko AA, Oliferenko PV, Girgis AS, Elagawany M, Küçükbay FZ, Panda CS, Pillai GG, Samir A, Tämm K, Hall CD, Katritzky AR. Macrocyclic peptidomimetics with antimicrobial activity: synthesis, bioassay, and molecular modeling studies. Org Biomol Chem 2015; 13:9492-503. [PMID: 26256838 DOI: 10.1039/c5ob01400j] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Novel, cyclic peptidomimetics were synthesized by facile acylation reactions using benzotriazole chemistry. Microbiological testing of the synthesized compounds revealed an exceptionally high activity against Candida albicans with a minimum inhibitory concentration (MIC) two orders of magnitude lower than the MIC of the antifungal reference drug amphotericin B. A strikingly high activity was also observed against three Gram-negative bacterial strains (Pseudomonas aeruginosa, Klebsiella pneumoniae and Proteus vulgaris), two of which are known human pathogens. Thus the discovered chemotype is a potential polypharmacological agent. The toxicity against mammalian tumor cells was found to be low, as demonstrated in five different human cell lines (HeLa, cervical; PC-3, prostate; MCF-7, breast; HepG2, liver; and HCT-116, colon). The internal consistency of the experimental data was studied using 3D-pharmacophore and 2D-QSAR.
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Affiliation(s)
- Mohamed A Ibrahim
- Department of Chemistry, University of Florida, Gainesville, FL 32611-7200, USA.
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19
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Panda SS, Liaqat S, Girgis AS, Samir A, Hall CD, Katritzky AR. Novel antibacterial active quinolone-fluoroquinolone conjugates and 2D-QSAR studies. Bioorg Med Chem Lett 2015; 25:3816-21. [PMID: 26253630 DOI: 10.1016/j.bmcl.2015.07.077] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Revised: 07/20/2015] [Accepted: 07/22/2015] [Indexed: 10/23/2022]
Abstract
Novel, quinolone-fluoroquinolone conjugates 10a-f, 11a-f, 13a-f and 14a-f with amino acid linkers were synthesized in good yields utilizing benzotriazole chemistry. Antibacterial bioassay showed the synthesized bis-conjugates exhibit anti-bacterial properties comparable with the parent drugs.
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Affiliation(s)
- Siva S Panda
- Center for Heterocyclic Compounds, Department of Chemistry, University of Florida, Gainesville, FL 32611-7200, USA; Department of Chemistry & Physics, Georgia Reagents University, Augusta, GA 30912, USA.
| | - Sumaira Liaqat
- Center for Heterocyclic Compounds, Department of Chemistry, University of Florida, Gainesville, FL 32611-7200, USA; Department of Chemistry, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan
| | - Adel S Girgis
- Pesticide Chemistry Department, National Research Centre, Dokki, Giza 12622, Egypt
| | - Ahmed Samir
- Microbiology Department, Faculty of Veterinary Medicine, Cairo University, Cairo, Egypt
| | - C Dennis Hall
- Center for Heterocyclic Compounds, Department of Chemistry, University of Florida, Gainesville, FL 32611-7200, USA
| | - Alan R Katritzky
- Center for Heterocyclic Compounds, Department of Chemistry, University of Florida, Gainesville, FL 32611-7200, USA
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Ravikumar K, Sridhar B, Nanubolu JB, Karthik G, Reddy BVS. Three structures of dispirooxindole derivatives generatedin situthrough a three-component one-pot strategy with complete regio- and stereoselectivity. ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY 2015; 71:721-7. [DOI: 10.1107/s2053229615013273] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2015] [Accepted: 07/10/2015] [Indexed: 11/10/2022]
Abstract
The challenging molecular architecture of spirooxindoles is appealing to chemists because it evokes novel synthetic strategies that address configurational demands and provides platforms for further reaction development. The [3+2] cycloaddition of the carbonyl ylide with arylideneoxindoleviaa five-membered cyclic transition state gave a novel class of dispirooxindole derivatives, namelytert-butyl 4′-(4-bromophenyl)-1′′-methyl-2,2′′-dioxo-5′-phenyl-4′,5′-dihydrodispiro[indoline-3,2′-furan-3′,3′′-indoline]-1-carboxylate, C36H31BrN2O, (Ia), 5′-(4-bromophenyl)-1,1′′-dimethyl-4′-phenyl-4′,5′-dihydrodispiro[indoline-3,2′-furan-3′,3′′-indoline]-2,2′′-dione, C32H25BrN2O3, (Ib), andtert-butyl 1′′-methyl-2,2′′-dioxo-4′-phenyl-5′-(p-tolyl)-4′,5′-dihydrodispiro[indoline-3,2′-furan-3′,3′′-indoline]-1-carboxylate, C37H34N2O5, (Ic). Crystal structure analyses of these dispirooxindoles revealed the formation of two diastereoisomers selectively and confirmed their relative stereochemistry (SSSRandRRRS). In all three structures, intramolecular C—H...O and π–π interactions between oxindole and dihydrofuran rings are the key factors governing the regio- and stereoselectivity, and in the absence of conventional hydrogen bonds, their crystal packings are strengthened by intermolecular C—H...π interactions.
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Girgis AS, Panda SS, Aziz MN, Steel PJ, Dennis Hall C, Katritzky AR. Rational design, synthesis, and 2D-QSAR study of anti-oncological alkaloids against hepatoma and cervical carcinoma. RSC Adv 2015. [DOI: 10.1039/c4ra16663a] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
A series of novel substituted dispiro-oxindole were synthesized and screened for anti-cancer properties. The anti-cancer data were validated by QSAR studies.
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Affiliation(s)
- Adel S. Girgis
- Pesticide Chemistry Department
- National Research Centre
- Cairo 12622
- Egypt
| | - Siva S. Panda
- Center for Heterocyclic Compounds
- Department of Chemistry
- University of Florida
- Gainesville
- USA
| | - Marian N. Aziz
- Pesticide Chemistry Department
- National Research Centre
- Cairo 12622
- Egypt
| | - Peter J. Steel
- Chemistry Department
- University of Canterbury
- Christchurch
- New Zealand
| | - C. Dennis Hall
- Center for Heterocyclic Compounds
- Department of Chemistry
- University of Florida
- Gainesville
- USA
| | - Alan R. Katritzky
- Center for Heterocyclic Compounds
- Department of Chemistry
- University of Florida
- Gainesville
- USA
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Girgis AS, Mabied AF, Stawinski J, Hegazy L, George RF, Farag H, Shalaby EM, Farag ISA. Synthesis and DFT studies of an antitumor active spiro-oxindole. NEW J CHEM 2015. [DOI: 10.1039/c5nj01109d] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
DFT studies of an anti-proliferative active spiro-oxindole against diverse tumor cell lines were reported.
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Affiliation(s)
- Adel S. Girgis
- Pesticide Chemistry Department
- National Research Centre
- Dokki
- Egypt
| | - Ahmed F. Mabied
- X-Ray Crystallography Lab
- Physics Division
- National Research Centre
- Dokki
- Egypt
| | - Jacek Stawinski
- Department of Organic Chemistry
- Arrhenius Laboratory
- Stockholm University
- S-10691 Stockholm
- Sweden
| | | | - Riham F. George
- Pharmaceutical Chemistry Department
- Faculty of Pharmacy
- Cairo University
- Cairo
- Egypt
| | - Hanaa Farag
- Pesticide Chemistry Department
- National Research Centre
- Dokki
- Egypt
| | - ElSayed M. Shalaby
- X-Ray Crystallography Lab
- Physics Division
- National Research Centre
- Dokki
- Egypt
| | - I. S. Ahmed Farag
- X-Ray Crystallography Lab
- Physics Division
- National Research Centre
- Dokki
- Egypt
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Girgis AS, Panda SS, Srour AM, Farag H, Ismail NSM, Elgendy M, Abdel-Aziz AK, Katritzky AR. Rational design, synthesis and molecular modeling studies of novel anti-oncological alkaloids against melanoma. Org Biomol Chem 2015; 13:6619-33. [DOI: 10.1039/c5ob00410a] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Anti-oncological active spiro-alkaloids were synthesized exhibiting promising antitumor properties against melanoma cell lines. Molecular modeling studies describe the observed properties.
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Affiliation(s)
- Adel S. Girgis
- Pesticide Chemistry Department
- National Research Centre
- Dokki
- Egypt
| | - Siva S. Panda
- Center for Heterocyclic Compounds
- Department of Chemistry
- University of Florida
- Gainesville
- USA
| | - Aladdin M. Srour
- Therapeutical Chemistry Department
- National Research Centre
- Dokki
- Egypt
| | - Hanaa Farag
- Pesticide Chemistry Department
- National Research Centre
- Dokki
- Egypt
| | - Nasser S. M. Ismail
- Pharmaceutical Chemistry Department
- Faculty of Pharmacy
- Ain Shams University
- Cairo
- Egypt
| | - Mohamed Elgendy
- Department of Experimental Oncology at the IFOM-IEO Campus
- European Institute of Oncology
- 20139 Milan
- Italy
| | - Amal K. Abdel-Aziz
- Pharmacology and Toxicology Department
- Faculty of Pharmacy
- Ain Shams University
- Cairo
- Egypt
| | - Alan R. Katritzky
- Center for Heterocyclic Compounds
- Department of Chemistry
- University of Florida
- Gainesville
- USA
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