1
|
Haji N, Faizi M, Koutentis PA, Carty MP, Aldabbagh F. Heterocyclic Iminoquinones and Quinones from the National Cancer Institute (NCI, USA) COMPARE Analysis. Molecules 2023; 28:5202. [PMID: 37446864 DOI: 10.3390/molecules28135202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 06/21/2023] [Accepted: 06/28/2023] [Indexed: 07/15/2023] Open
Abstract
This review uses the National Cancer Institute (NCI) COMPARE program to establish an extensive list of heterocyclic iminoquinones and quinones with similarities in differential growth inhibition patterns across the 60-cell line panel of the NCI Developmental Therapeutics Program (DTP). Many natural products and synthetic analogues are revealed as potential NAD(P)H:quinone oxidoreductase 1 (NQO1) substrates, through correlations to dipyridoimidazo[5,4-f]benzimidazoleiminoquinone (DPIQ), and as potential thioredoxin reductase (TrxR) inhibitors, through correlations to benzo[1,2,4]triazin-7-ones and pleurotin. The strong correlation to NQO1 infers the enzyme has a major influence on the amount of the active compound with benzo[e]perimidines, phenoxazinones, benz[f]pyrido[1,2-a]indole-6,11-quinones, seriniquinones, kalasinamide, indolequinones, and furano[2,3-b]naphthoquinones, hypothesised as prodrugs. Compounds with very strong correlations to known TrxR inhibitors had inverse correlations to the expression of both reductase enzymes, NQO1 and TrxR, including naphtho[2,3-b][1,4]oxazepane-6,11-diones, benzo[a]carbazole-1,4-diones, pyranonaphthoquinones (including kalafungin, nanaomycin A, and analogues of griseusin A), and discorhabdin C. Quinoline-5,8-dione scaffolds based on streptonigrin and lavendamycin can correlate to either reductase. Inhibitors of TrxR are not necessarily (imino)quinones, e.g., parthenolides, while oxidising moieties are essential for correlations to NQO1, as with the mitosenes. Herein, an overview of synthetic methods and biological activity of each family of heterocyclic imino(quinone) is provided.
Collapse
Affiliation(s)
- Naemah Haji
- Department of Pharmacy, School of Life Sciences, Pharmacy and Chemistry, Kingston University, Penrhyn Road, Kingston upon Thames, London KT1 2EE, UK
| | - Masoma Faizi
- Department of Pharmacy, School of Life Sciences, Pharmacy and Chemistry, Kingston University, Penrhyn Road, Kingston upon Thames, London KT1 2EE, UK
| | | | - Michael P Carty
- School of Biological and Chemical Sciences, University of Galway, University Road, H91 TK33 Galway, Ireland
| | - Fawaz Aldabbagh
- Department of Pharmacy, School of Life Sciences, Pharmacy and Chemistry, Kingston University, Penrhyn Road, Kingston upon Thames, London KT1 2EE, UK
| |
Collapse
|
2
|
Chen Y, Yang R, Xiao F, Xu T, Mao G, Deng GJ. Copper-Catalyzed Synthesis of 3-Aryl-9 H-imidazo[1,5- a]indol-9-ones Using Oxygen as the Sole Oxidant. Org Lett 2023; 25:3702-3707. [PMID: 37184361 DOI: 10.1021/acs.orglett.3c01148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
A three-component strategy was developed for 3-phenyl-9H-imidazo[1,5-a]indol-9-one preparation from indole-2-carboxaldehydes, aromatic aldehydes, and ammonium acetate under copper catalysis conditions. In this process, a new five-membered ring was formed and the C3 position in the indole substrate was selectively oxidized into a ketone skeleton using oxygen as the sole oxidant and ammonium acetate as the nitrogen source. Furthermore, same products also could be achieved from indole-2-carboxaldehydes and benzyl amines under similar reaction conditions.
Collapse
Affiliation(s)
- Yufeng Chen
- Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education, Hunan Province Key Laboratory of Green Organic Synthesis and Application, College of Chemistry, Xiangtan University, Xiangtan, Hunan 411105, China
| | - Ruitong Yang
- Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education, Hunan Province Key Laboratory of Green Organic Synthesis and Application, College of Chemistry, Xiangtan University, Xiangtan, Hunan 411105, China
| | - Fuhong Xiao
- Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education, Hunan Province Key Laboratory of Green Organic Synthesis and Application, College of Chemistry, Xiangtan University, Xiangtan, Hunan 411105, China
| | - Tianci Xu
- Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education, Hunan Province Key Laboratory of Green Organic Synthesis and Application, College of Chemistry, Xiangtan University, Xiangtan, Hunan 411105, China
| | - Guojiang Mao
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, P. R. China
| | - Guo-Jun Deng
- Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education, Hunan Province Key Laboratory of Green Organic Synthesis and Application, College of Chemistry, Xiangtan University, Xiangtan, Hunan 411105, China
| |
Collapse
|
3
|
Navarro-Tovar G, Vega-Rodríguez S, Leyva E, Loredo-Carrillo S, de Loera D, López-López LI. The Relevance and Insights on 1,4-Naphthoquinones as Antimicrobial and Antitumoral Molecules: A Systematic Review. Pharmaceuticals (Basel) 2023; 16:ph16040496. [PMID: 37111253 PMCID: PMC10144089 DOI: 10.3390/ph16040496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/17/2023] [Accepted: 03/21/2023] [Indexed: 03/30/2023] Open
Abstract
Natural product derivatives are essential in searching for compounds with important chemical, biological, and medical applications. Naphthoquinones are secondary metabolites found in plants and are used in traditional medicine to treat diverse human diseases. Considering this, the synthesis of naphthoquinone derivatives has been explored to contain compounds with potential biological activity. It has been reported that the chemical modification of naphthoquinones improves their pharmacological properties by introducing amines, amino acids, furan, pyran, pyrazole, triazole, indole, among other chemical groups. In this systematic review, we summarized the preparation of nitrogen naphthoquinones derivatives and discussed their biological effect associated with redox properties and other mechanisms. Preclinical evaluation of antibacterial and/or antitumoral naphthoquinones derivatives is included because cancer is a worldwide health problem, and there is a lack of effective drugs against multidrug-resistant bacteria. The information presented herein indicates that naphthoquinone derivatives could be considered for further studies to provide drugs efficient in treating cancer and multidrug-resistant bacteria.
Collapse
Affiliation(s)
- Gabriela Navarro-Tovar
- Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, San Luís Potosí 78210, Mexico; (G.N.-T.); (S.V.-R.); (E.L.); (S.L.-C.)
- Consejo Nacional de Ciencia y Tecnología (CONACyT), Mexico City 03940, Mexico
| | - Sarai Vega-Rodríguez
- Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, San Luís Potosí 78210, Mexico; (G.N.-T.); (S.V.-R.); (E.L.); (S.L.-C.)
| | - Elisa Leyva
- Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, San Luís Potosí 78210, Mexico; (G.N.-T.); (S.V.-R.); (E.L.); (S.L.-C.)
| | - Silvia Loredo-Carrillo
- Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, San Luís Potosí 78210, Mexico; (G.N.-T.); (S.V.-R.); (E.L.); (S.L.-C.)
| | - Denisse de Loera
- Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, San Luís Potosí 78210, Mexico; (G.N.-T.); (S.V.-R.); (E.L.); (S.L.-C.)
- Correspondence: (D.d.L.); (L.I.L.-L.)
| | - Lluvia Itzel López-López
- Instituto de Investigación de Zonas Desérticas, Universidad Autónoma de San Luis Potosí, San Luís Potosí 78377, Mexico
- Correspondence: (D.d.L.); (L.I.L.-L.)
| |
Collapse
|
4
|
Hu BY, Zhao YL, Zhou ZS, Zhu YY, Luo XD. Significant anti-inflammatory aziridine-containing indole alkaloids from the Chinese medicinal plant Alstonia scholaris. Chem Commun (Camb) 2023; 59:2271-2274. [PMID: 36734477 DOI: 10.1039/d2cc07029d] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Two unique windmill-like aziridine-containing indole alkaloids, possessing an unprecedented 6/5/5/6/6/5/3 rigid ring system and an unusual azabicyclo[3.1.0]hexane core, were isolated from Alstonia scholaris. Their structures were established by spectroscopy, X-ray diffraction, and electronic circular dichroism calculations. The novel compounds exhibited significant anti-inflammatory bioactivity in vitro and alleviated LPS-induced acute lung injury in mice.
Collapse
Affiliation(s)
- Bin-Yuan Hu
- Yunnan Characteristic Plant Extraction Laboratory, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education and Yunnan Province, School of Chemical Science and Technology, Yunnan University, Kunming, 650501, P. R. China.
| | - Yun-Li Zhao
- Yunnan Characteristic Plant Extraction Laboratory, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education and Yunnan Province, School of Chemical Science and Technology, Yunnan University, Kunming, 650501, P. R. China.
| | - Zhong-Shun Zhou
- Yunnan Characteristic Plant Extraction Laboratory, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education and Yunnan Province, School of Chemical Science and Technology, Yunnan University, Kunming, 650501, P. R. China.
| | - Yan-Yan Zhu
- Yunnan Characteristic Plant Extraction Laboratory, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education and Yunnan Province, School of Chemical Science and Technology, Yunnan University, Kunming, 650501, P. R. China.
| | - Xiao-Dong Luo
- Yunnan Characteristic Plant Extraction Laboratory, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education and Yunnan Province, School of Chemical Science and Technology, Yunnan University, Kunming, 650501, P. R. China. .,State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences Kunming, 650201, P. R. China
| |
Collapse
|
5
|
Sheng C, Ling Z, Luo Y, Zhang W. Cu-catalyzed asymmetric addition of alcohols to β,γ-alkynyl-α-imino esters for the construction of linear chiral N,O-ketals. Nat Commun 2022; 13:400. [PMID: 35058446 PMCID: PMC8776757 DOI: 10.1038/s41467-022-28002-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 12/19/2021] [Indexed: 12/01/2022] Open
Abstract
N,O-acetals are part of many synthetic intermediates and important skeletons of numerous natural products and pharmaceutical drugs. The most straightforward method of the synthesis of N,O-acetals is the enantioselective addition of O-nucleophiles to imines. However, using this method for the synthesis of linear chiral N,O-ketals still remains challenging due to the instability of raw materials under acidic or basic conditions. Herein, we developed a Cu-catalyzed asymmetric addition of alcohols to β,γ-alkynyl-α-imino esters under mild conditions, providing the corresponding linear chiral N,O-ketals with up to 96% ee. The method tolerates some variation in the β,γ-alkynyl-α-imino ester and alcohol scope, including some glucose and natural amino acid derivatives. Computational results indicate that the Boc group of the substrates assist in the extraction of hydrogen atoms from the alcohols to promote the addition reactions. These products could be synthesized on a gram-scale and can be used in several transformations. This asymmetric addition system provides an efficient, mild, gram-scale, and transition-metal-catalyzed synthesis of linear chiral N,O-ketals. N,O-acetals are part of many synthetic intermediates and important skeletons of numerous natural products and pharmaceutical drugs. Here the authors show a Cu-catalyzed asymmetric addition of alcohols to β,γ-alkynyl-α-imino esters, providing the corresponding linear chiral N,O-ketals with up to 96% ee.
Collapse
|
6
|
Shelke YG, Hande PE, Gharpure SJ. Recent advances in the synthesis of pyrrolo[1,2- a]indoles and their derivatives. Org Biomol Chem 2021; 19:7544-7574. [PMID: 34524330 DOI: 10.1039/d1ob01103k] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The pyrrolo[1,2-a]indole unit is a privileged heterocycle found in numerous natural products and has been shown to exhibit diverse pharmacological properties. Thus, recent years have witnessed immense interest from the synthesis community on the synthesis of this scaffold. In light of the ever-increasing demand for pyrrolo[1,2-a]indoles in drug discovery, this review provides an overview of recent synthesis methods for the preparation of pyrrolo[1,2-a]indoles and their derivatives. The mechanistic pathway and stereo-electronic factors affecting the yield and selectivity of the product are briefly explained. Furthermore, we have attempted to demonstrate the utility of the developed methods in the synthesis of bioactive molecules and natural products, wherever offered.
Collapse
Affiliation(s)
- Yogesh G Shelke
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India.
| | - Pankaj E Hande
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India.
| | - Santosh J Gharpure
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India.
| |
Collapse
|
7
|
Luo H, Cao T, Zhu S. Divergent Synthesis of Ketone-Fused Indoles/Pyrroles via Metal-Guided Friedel-Crafts Cyclization. CHINESE J ORG CHEM 2021. [DOI: 10.6023/cjoc202105021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
|
8
|
Palmieri A, Petrini M. Tryptophol and derivatives: natural occurrence and applications to the synthesis of bioactive compounds. Nat Prod Rep 2019; 36:490-530. [DOI: 10.1039/c8np00032h] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
This report presents some fundamental aspects related to the natural occurrence and bioactivity of tryptophol as well as the synthesis of tryptophols and their utilization for the preparation of naturally occurring alkaloid metabolites embedding the indole system.
Collapse
Affiliation(s)
- Alessandro Palmieri
- School of Science and Technology
- Chemistry Division
- University of Camerino
- Italy
| | - Marino Petrini
- School of Science and Technology
- Chemistry Division
- University of Camerino
- Italy
| |
Collapse
|
9
|
Chakrabarty I, Inamdar SM, Akram MO, Gade AB, Banerjee S, Bera S, Patil NT. [3+2]-Annulation of platinum-bound azomethine ylides with distal C[double bond, length as m-dash]C bonds of N-allenamides. Chem Commun (Camb) 2017; 53:196-199. [PMID: 27917422 DOI: 10.1039/c6cc07874e] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
A Pt-catalyzed, highly regioselective reaction between N-allenamides and imino-alkynes leading to pyrrolo[1,2-a]indoles is described. This represents the first example of [3+2]-annulation of Pt-bound azomethine ylides with the distal C[double bond, length as m-dash]C bond of N-allenamides. The mechanism of the reaction was established by computational studies.
Collapse
Affiliation(s)
- Indradweep Chakrabarty
- Division of Organic Chemistry, CSIR-National Chemical Laboratory, Dr Homi Bhabha Road, Pune - 411008, India. and Academy of Scientific and Innovative Research (AcSIR), New Delhi - 110025, India
| | - Suleman M Inamdar
- Division of Organic Chemistry, CSIR-National Chemical Laboratory, Dr Homi Bhabha Road, Pune - 411008, India.
| | - Manjur O Akram
- Division of Organic Chemistry, CSIR-National Chemical Laboratory, Dr Homi Bhabha Road, Pune - 411008, India. and Academy of Scientific and Innovative Research (AcSIR), New Delhi - 110025, India
| | - Amol B Gade
- Division of Organic Chemistry, CSIR-National Chemical Laboratory, Dr Homi Bhabha Road, Pune - 411008, India. and Academy of Scientific and Innovative Research (AcSIR), New Delhi - 110025, India
| | - Subhrashis Banerjee
- Physical and Materials Chemistry Division, CSIR-National Chemical Laboratory, Dr Homi Bhabha Road, Pune - 411008, India
| | - Saibal Bera
- Physical and Materials Chemistry Division, CSIR-National Chemical Laboratory, Dr Homi Bhabha Road, Pune - 411008, India
| | - Nitin T Patil
- Division of Organic Chemistry, CSIR-National Chemical Laboratory, Dr Homi Bhabha Road, Pune - 411008, India. and Academy of Scientific and Innovative Research (AcSIR), New Delhi - 110025, India
| |
Collapse
|
10
|
Abstract
Mitomycin C (MMC) intravesical therapy for "superficial" papillary bladder tumors was firstly introduced in the early seventies with promising results. In the following years, several pharmacokinetic studies investigated its mechanism of action to optimize the intravesical administration. Numerous studies confirmed thereafter both the ablative and the prophylactic efficacy and the low toxicity of MMC when intravesically given. In 1984, a complete response rate of 42% in 60 patients not responsive to thiotepa was reported with intravesical MMC at the dose of 40 mg diluted in 40 ml for 8 weeks. In the following decades, many large randomized studies showed the benefit of intravesical prophylaxis with MMC versus transurethral resection (TUR) alone. Since 2002, the role of adjuvant intravesical chemotherapy and of an early MMC instillation in preventing recurrence compared with TUR alone has been confirmed by large meta-analyses and stated by the European Association of Urology (EAU) guidelines. The need for further intravesical chemotherapy after the early instillation in patients at intermediate-high risk of recurrence has been proved by several trials. Although intravesical Bacillus Calmette-Guerìn (BCG) is considered the best choice for high-risk patients and MMC for the low-risk group, both MMC and BCG can be given to prevent recurrence in intermediate-risk patients. However, the higher efficacy of BCG over MMC is evident only if maintenance regimen is administered. Despite its proven efficacy, immediate intravesical MMC is not yet fully entered in common clinical practice and efforts should be made by the urologists to optimize its adoption.
Collapse
|
11
|
Hohenforst-Schmidt W, Zarogoulidis P, Pitsiou G, Linsmeier B, Tsavlis D, Kioumis I, Papadaki E, Freitag L, Tsiouda T, Turner JF, Browning R, Simoff M, Sachpekidis N, Tsakiridis K, Zaric B, Yarmus L, Baka S, Stratakos G, Rittger H. Drug Eluting Stents for Malignant Airway Obstruction: A Critical Review of the Literature. J Cancer 2016; 7:377-90. [PMID: 26918052 PMCID: PMC4749359 DOI: 10.7150/jca.13611] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2015] [Accepted: 11/01/2015] [Indexed: 02/07/2023] Open
Abstract
Lung cancer being the most prevalent malignancy in men and the 3(rd) most frequent in women is still associated with dismal prognosis due to advanced disease at the time of diagnosis. Novel targeted therapies are already on the market and several others are under investigation. However non-specific cytotoxic agents still remain the cornerstone of treatment for many patients. Central airways stenosis or obstruction may often complicate and decrease quality of life and survival of these patients. Interventional pulmonology modalities (mainly debulking and stent placement) can alleviate symptoms related to airways stenosis and improve the quality of life of patients. Mitomycin C and sirolimus have been observed to assist a successful stent placement by reducing granuloma tissue formation. Additionally, these drugs enhance the normal tissue ability against cancer cell infiltration. In this mini review we will concentrate on mitomycin C and sirolimus and their use in stent placement.
Collapse
Affiliation(s)
| | - Paul Zarogoulidis
- 2. Pulmonary Department-Oncology Unit, ``G. Papanikolaou`` General Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Georgia Pitsiou
- 2. Pulmonary Department-Oncology Unit, ``G. Papanikolaou`` General Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Bernd Linsmeier
- 3. Department of General Surgery, Coburg Clinic, Coburg, Germany
| | - Drosos Tsavlis
- 2. Pulmonary Department-Oncology Unit, ``G. Papanikolaou`` General Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Ioannis Kioumis
- 2. Pulmonary Department-Oncology Unit, ``G. Papanikolaou`` General Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Eleni Papadaki
- 2. Pulmonary Department-Oncology Unit, ``G. Papanikolaou`` General Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Lutz Freitag
- 4. Department of Interventional Pneumology, Ruhrlandklinik, University Hospital Essen, University of Essen-Duisburg, Tueschener Weg 40, 45239 Essen, Germany
| | - Theodora Tsiouda
- 2. Pulmonary Department-Oncology Unit, ``G. Papanikolaou`` General Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - J Francis Turner
- 5. Division of Interventional Pulmonology & Medical Oncology, Cancer Treatment Centers of America, Western Regional Medical Center, Goodyear, AZ
| | - Robert Browning
- 6. Pulmonary & Critical Care Medicine, Interventional Pulmonology, National Naval Medical Center, Walter Reed Army Medical Center, Bethesda, U.S.A
| | - Michael Simoff
- 7. Bronchoscopy and Interventional Pulmonology, Pulmonary and Critical Care Medicine, Henry Ford Hospital, Wayne State University, School of Medicine, MI, USA
| | - Nikolaos Sachpekidis
- 8. Cardiothoracic Surgery Department, ``Saint Luke`` Private Hospital, Thessaloniki, Panorama, Greece
| | - Kosmas Tsakiridis
- 8. Cardiothoracic Surgery Department, ``Saint Luke`` Private Hospital, Thessaloniki, Panorama, Greece
| | - Bojan Zaric
- 9. Institute for Pulmonary Diseases of Vojvodina, Clinic for Thoracic Oncology, Faculty of Medicine, University of Novi Sad, Serbia
| | - Lonny Yarmus
- 10. Division of Pulmonary and Critical Care Medicine, Sheikh Zayed Cardiovascular & Critical Care Tower, Baltimore, U.S.A
| | - Sofia Baka
- 11. Oncology Department, ``Interbalkan`` European Medical Center, Thessaloniki, Greece
| | - Grigoris Stratakos
- 12. 1st Respiratory Medicine Department of National University of Athens, "Sotiria" General Hospital Athens, Greece
| | - Harald Rittger
- 1. Medical Clinic I, ''Fuerth'' Hospital, University of Erlangen, Fuerth, Germany
| |
Collapse
|
12
|
Simic MR, Stankovic M, Mandic BM, Tesevic VV, Savic VM. Synthesis of novel tetrahydrobenzazepine derivatives and their cytoprotective effect on human lymphocytes. Arch Pharm (Weinheim) 2015; 348:100-12. [PMID: 25664628 DOI: 10.1002/ardp.201400350] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2014] [Revised: 12/04/2014] [Accepted: 12/15/2014] [Indexed: 11/08/2022]
Abstract
Cytoprotective compounds such as amifostine play an important role in chemo- and radiotherapy due to their ability to reduce the side effects of these treatments. Our work was initiated with the intention to design, synthesise and test a new class of heterocyclic compounds that would have an antioxidative profile with the potential to be further developed as cytoprotective agents. The design was based on the privileged tetrahydrobenzazepine scaffold found in many natural products with a wide range of biological properties. This structure was further functionalised with moieties known to possess antioxidative features such as tertiary amine and styrene double bond. A series of eight tetrahydrobenzazepine derivatives of isoquinoline, 3,4-dihydro-β-carboline and pyridine were synthesised employing the Heck reaction as a key transformation. Some of the prepared compounds were tested for their in vitro effects on chromosome aberrations in peripheral human lymphocytes using the cytochalasin-B blocked micronucleus (MN) assay. Three tetrahydrobenzoazepine derivatives showed significant cytoprotective properties, comparable or even better to those of the radioprotective agent amifostine.
Collapse
Affiliation(s)
- Milena R Simic
- Faculty of Pharmacy, Department of Organic Chemistry, University of Belgrade, Belgrade, Serbia
| | | | | | | | | |
Collapse
|
13
|
Li H, Wang Z, Zu L. [3 + 2] Annulations between indoles and α,β-unsaturated ketones: access to pyrrolo[1,2-a]indoles and model reactions toward the originally assigned structure of yuremamine. RSC Adv 2015. [DOI: 10.1039/c5ra11904a] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The efficient assembly of densely substituted, highly functionalized pyrrolo[1,2-a]indoles by the direct annulation of indoles and α,β-unsaturated ketones is reported.
Collapse
Affiliation(s)
- Haokun Li
- Department of Pharmacology and Pharmaceutical Sciences
- School of Medicine
- Tsinghua University
- Beijing
- China
| | - Zhonglei Wang
- Department of Pharmacology and Pharmaceutical Sciences
- School of Medicine
- Tsinghua University
- Beijing
- China
| | - Liansuo Zu
- Department of Pharmacology and Pharmaceutical Sciences
- School of Medicine
- Tsinghua University
- Beijing
- China
| |
Collapse
|