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Zhang S, Lin C, Liu C, Du D. Enantioselective Synthesis of δ-Carbolinones via N-Heterocyclic Carbene Catalysis. J Org Chem 2022; 87:10441-10448. [PMID: 35819024 DOI: 10.1021/acs.joc.2c00952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
An enantioselective synthesis of δ-carbolinones was accomplished through N-heterocyclic carbene-catalyzed formal [3+3] annulation of 3-aminoindoles with 2-bromoenals. This protocol offers a rapid and efficient synthetic approach for accessing a wide range of enantioenriched structurally interesting δ-carbolinones under mild reaction conditions.
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Affiliation(s)
- Simiao Zhang
- State Key Laboratory of Natural Medicines, School of Science, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Chen Lin
- State Key Laboratory of Natural Medicines, School of Science, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Chaolei Liu
- State Key Laboratory of Natural Medicines, School of Science, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Ding Du
- State Key Laboratory of Natural Medicines, School of Science, China Pharmaceutical University, Nanjing 210009, P. R. China
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2
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Sun XS, Diao XY, Dong XQ, Wang CJ. Base-promoted cascade β-F-elimination/electrocyclization/Diels–Alder/retro-Diels–Alder reaction: efficient access to δ-carboline derivatives. Chem Sci 2022; 13:10448-10454. [PMID: 36277643 PMCID: PMC9473522 DOI: 10.1039/d2sc03166c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Accepted: 08/13/2022] [Indexed: 11/30/2022] Open
Abstract
A serendipitous and highly efficient approach for the construction of a variety of δ-carboline derivatives was developed through base-promoted cascade β-F-elimination/electrocyclization/Diels–Alder/retro-Diels–Alder reaction of N-2,2,2-trifluoroethylisatin ketoimine esters with alkynes in good to high yields with excellent regio-/chemoselectivity control. Moreover, a reasonable reaction pathway was proposed, which was in accordance with the prepared reaction intermediate and control experiment results. The δ-carboline product could be easily converted into a new chiral Py-box-type ligand through simple synthetic transformations. This salient strategy featured the advantages of metal-free conditions, excellent regio-/chemoselectivity, good to high yields, and outstanding substrate tolerance. Importantly, the potential application of these fascinating δ-carboline derivative products is well demonstrated in the recognition of ferric ions. A serendipitous and efficient approach to access various δ-carbolines was developed through base-promoted cascade β-F-elimination/electrocyclization/Diels–Alder/retro-Diels–Alder reaction in good to high yields with excellent regio/chemoselectivity.![]()
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Affiliation(s)
- Xi-Shang Sun
- College of Chemistry and Molecular Sciences, Engineering Research Center of Organosilicon Compounds & Materials, Wuhan University, Wuhan, Hubei, 430072, P. R. China
| | - Xin-Yu Diao
- College of Chemistry and Molecular Sciences, Engineering Research Center of Organosilicon Compounds & Materials, Wuhan University, Wuhan, Hubei, 430072, P. R. China
| | - Xiu-Qin Dong
- College of Chemistry and Molecular Sciences, Engineering Research Center of Organosilicon Compounds & Materials, Wuhan University, Wuhan, Hubei, 430072, P. R. China
| | - Chun-Jiang Wang
- College of Chemistry and Molecular Sciences, Engineering Research Center of Organosilicon Compounds & Materials, Wuhan University, Wuhan, Hubei, 430072, P. R. China
- State Key Laboratory of Elemento-organic Chemistry, Nankai University, Tianjin, 300071, P. R. China
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3
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Singh R, Bhatia H, Prakash P, Debroye E, Dey S, Dehaen W. Tandem Nenitzescu Reaction/Nucleophilic Aromatic Substitution to Form Novel Pyrido Fused Indole Frameworks. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100827] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Rashmi Singh
- Department of Chemistry Indian Institute of Technology (Indian School of Mines), Dhanbad Dhanbad 826004 India
- Molecular Design and Synthesis Department of Chemistry KU Leuven Celestijnenlaan 200F 3001 Leuven Belgium
| | - Harshita Bhatia
- Molecular Imaging and Photonics Department of Chemistry KU Leuven Celestijnenlaan 200F 3001 Leuven Belgium
| | - Prabhat Prakash
- Materials Engineering Indian Institute of Technology Gandhinagar Palaj, Gandhinagar 382355 Gujarat India
| | - Elke Debroye
- Molecular Imaging and Photonics Department of Chemistry KU Leuven Celestijnenlaan 200F 3001 Leuven Belgium
| | - Swapan Dey
- Department of Chemistry Indian Institute of Technology (Indian School of Mines), Dhanbad Dhanbad 826004 India
| | - Wim Dehaen
- Molecular Design and Synthesis Department of Chemistry KU Leuven Celestijnenlaan 200F 3001 Leuven Belgium
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4
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Mante PK, Adomako NO, Antwi P, Kusi-Boadum NK. Chronic administration of cryptolepine nanoparticle formulation alleviates seizures in a neurocysticercosis model. CURRENT RESEARCH IN PHARMACOLOGY AND DRUG DISCOVERY 2021; 2:100040. [PMID: 34909669 PMCID: PMC8663984 DOI: 10.1016/j.crphar.2021.100040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 04/30/2021] [Accepted: 06/03/2021] [Indexed: 12/02/2022] Open
Abstract
Worldwide, neurocysticercosis remains an important cause of acquired epilepsy. We therefore seek to investigate the effectiveness of the nanoparticle formulation of cryptolepine in alleviating seizures in a neurocysticercosis model. A solid-lipid nanoparticle formulation of extracted cryptolepine was prepared. The parasites were maintained in T. crassiceps metacestode (ORF strain) - infected female BALB/c mice. Cryp (5 mg/kg), SLN-CRYP (5 mg/kg), ABZ (50 mg/kg) DXM (0.5 mg/kg), and PHE (30 mg/kg). were assessed for in vitro cysticidal, in vivo cysticidal and/or antiseizure activity in 70 mice that had developed seizures from infection with T. crassiceps. General pathologic processes were studied in the host tissue and inflammatory mediators were quantified from isolated mice brains. All treatments (CRYP, SLN-CRYP and ABZ) caused significantly reduced viability of T. crassiceps cysts. Treatment with SLN-CRYP significantly shrunk cysticerci and resolved ventricular expansion and deviation similar to albendazole on examination of encephala. SLN-CRYP inhibited hyperemia but was more effective against microgliosis, calcification, edema and meningitis. Mean seizure score was significantly reduced in models administered with SLN-CRYP (p < 0.0001); as were frequency (p < 0.0001) and duration (p < 0.0001) of seizures. SLN-CRYP significantly reduced brain homogenate levels of IL-10 (p = 0.0016) and IFN-γ (p < 0.0001). Our study shows that the chronic administration of the nanoparticle formulation of cryptolepine is effective in alleviating seizures associated with neurocysticercosis in a mouse model.
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Affiliation(s)
- Priscilla Kolibea Mante
- Department of Pharmacology, Faculty of Pharmacy and Pharmaceutical Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Nana Ofori Adomako
- Department of Pharmacy Practice, Faculty of Pharmacy and Pharmaceutical Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Paulina Antwi
- Department of Pharmacology, Faculty of Pharmacy and Pharmaceutical Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Nana Kofi Kusi-Boadum
- Department of Pharmacology, Faculty of Pharmacy and Pharmaceutical Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
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5
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Verma VA, Saundane AR, Meti RS, Vennapu DR. Synthesis of novel indolo[3,2-c]isoquinoline derivatives bearing pyrimidine, piperazine rings and their biological evaluation and docking studies against COVID-19 virus main protease. J Mol Struct 2021; 1229:129829. [PMID: 33390613 PMCID: PMC7767577 DOI: 10.1016/j.molstruc.2020.129829] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 12/05/2020] [Accepted: 12/21/2020] [Indexed: 12/19/2022]
Abstract
A series of hybrid indolo[3,2-c]isoquinoline (δ-carboline) analogs incorporating two pyrimidine and piperizine ring frameworks were synthesized. Intending biological activities and SAR we propose replacements of fluorine, methyl and methoxy of synthetic compounds for noteworthy antimicrobial, antioxidant, anticancer and anti-tuberculosis activities. Among these compounds 3a, 4a and 5e were progressively strong against E. coli and K. pneumonia. Whereas, compounds 4a, 5a and 6a with addition of various functional groups (OCH3, CH3) were excellent against S. aureus and B. subtilis. Compound 5c exhibited strong RSA and dynamic ferrous ion (Fe2+) metal chelating impact with IC50 of 7.88 ± 0.93 and 4.06 ± 0.31 µg/mL, respectively. Compound 5e was considerably cytotoxic against all cancer cells displaying activity better than the standard drug. Compounds 6b and 6e inhibited M. tuberculosis (MIC 1.0 mg/L) considerably. Molecular docking studies indicate that compounds 4d, 5a, 5b, 6b and 6f exhibited good interactions with 6LZE (COVID-19) and 6XFN (SARS-CoV-2) at active sites. The structure of the synthesized compounds were elementally analyzed using IR, 1H, 13C NMR and mass spectral information.
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Affiliation(s)
- Vaijinath A. Verma
- Department of Chemistry, Shri Prabhu Arts, Science and J.M. Bohra Commerce, Degree College, Shorapur-585 228, Yadgir, Karnataka, India,Corresponding author
| | - Anand R. Saundane
- Department of P.G. Studies and Research in Chemistry, Gulbarga University, Kalaburagi 585106, Karnataka, India
| | - Rajkumar S. Meti
- Department of Biochemistry, Mangalore University, P.G. Centre Chikka, Aluvara 571234, Karnataka, India
| | - Dushyanth R. Vennapu
- Department of Pharmaceutical Chemistry, KLE University College of Pharmacy, Belagavi 5900010, Karnataka, India
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Tewari U, Sharma D, Srivastava S, Kumar BK, Faheem, Murugesan S. Anti‐Tubercular Insights of Carbolines – A Decade Critique. ChemistrySelect 2021. [DOI: 10.1002/slct.202100181] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Upasana Tewari
- Medicinal Chemistry Research Laboratory Department of Pharmacy Birla Institute of Technology and Science Pilani, Pilani Campus Pilani 333031 Rajasthan India
| | - Divya Sharma
- Medicinal Chemistry Research Laboratory Department of Pharmacy Birla Institute of Technology and Science Pilani, Pilani Campus Pilani 333031 Rajasthan India
| | - Shrey Srivastava
- Medicinal Chemistry Research Laboratory Department of Pharmacy Birla Institute of Technology and Science Pilani, Pilani Campus Pilani 333031 Rajasthan India
| | - Banoth Karan Kumar
- Medicinal Chemistry Research Laboratory Department of Pharmacy Birla Institute of Technology and Science Pilani, Pilani Campus Pilani 333031 Rajasthan India
| | - Faheem
- Medicinal Chemistry Research Laboratory Department of Pharmacy Birla Institute of Technology and Science Pilani, Pilani Campus Pilani 333031 Rajasthan India
| | - Sankaranarayanan Murugesan
- Medicinal Chemistry Research Laboratory Department of Pharmacy Birla Institute of Technology and Science Pilani, Pilani Campus Pilani 333031 Rajasthan India
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7
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Banerjee A, Kundu S, Bhattacharyya A, Sahu S, Maji MS. Benzannulation strategies for the synthesis of carbazoles, indolocarbazoles, benzocarbazoles, and carbolines. Org Chem Front 2021. [DOI: 10.1039/d1qo00092f] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
This review presents a critical and authoritative analysis of several exciting benzannulation approaches developed in the past decade for the construction of carbazoles, indolocarbazoles, benzocarbazoles, and carbolines.
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Affiliation(s)
- Ankush Banerjee
- Department of Chemistry
- Indian Institute of Technology Kharagpur
- Kharagpur 721302
- India
| | - Samrat Kundu
- Department of Chemistry
- Indian Institute of Technology Kharagpur
- Kharagpur 721302
- India
| | - Arya Bhattacharyya
- Department of Chemistry
- Indian Institute of Technology Kharagpur
- Kharagpur 721302
- India
| | - Samrat Sahu
- Department of Chemistry
- Indian Institute of Technology Kharagpur
- Kharagpur 721302
- India
| | - Modhu Sudan Maji
- Department of Chemistry
- Indian Institute of Technology Kharagpur
- Kharagpur 721302
- India
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8
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Cryptolepine, the Main Alkaloid of the Antimalarial Cryptolepis sanguinolenta (Lindl.) Schlechter, Induces Malformations in Zebrafish Embryos. Biochem Res Int 2019; 2019:7076986. [PMID: 31360547 PMCID: PMC6644280 DOI: 10.1155/2019/7076986] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2019] [Revised: 05/13/2019] [Accepted: 06/19/2019] [Indexed: 12/31/2022] Open
Abstract
Background Previous studies on cryptolepine, the antimalarial and cytotoxic alkaloid of Cryptolepis sanguinolenta, showed that it preferentially accumulates in rapidly proliferating cells and melanin-containing tissues. Subsequently, we demonstrated that cryptolepine was toxic to murine embryos in vivo but no signs of teratogenicity. in vivo developmental studies can be confounded by maternal effects. Here, we hypothesized that cryptolepine-induced embryo toxicity occurs at least partly through direct inhibition of embryogenesis rather than indirectly through the induction of maternal toxicity. Aim To determine the effects of cryptolepine on developing zebrafish embryos ex vivo. Methods Healthy synchronized zebrafish eggs were treated with cryptolepine (10-1 - 5 × 102 μM), benzyl penicillin (6 - 6 × 102 μM), or mercury chloride (3.7 × 10-1 - 3.7 × 101 nM) from 6 to 72 hours postfertilization. Developing embryos were assessed at 24, 48, 72, and 96 hours under microscope for lethality, hatching rate, and malformation. Results LC50 for cryptolepine in the study was found to be 260 ± 0.174 μM. Cryptolepine induced dose- and time-dependent mortality from the 24 to 96 hours postfertilization. Lower cryptolepine concentration (<100 μM) caused mortality, approximately 15-18%, only after the 48 hours postfertilization. The most sensitive period of embryo lethality corresponded well with the pharyngula (24 to 48 hours) and hatching (48 to 72 hours) stages of embryonic development. Cryptolepine (10-1 - 5 × 102 μM) dose dependently inhibited the hatching rate. At doses above 500 μM, hatching was completely inhibited. Mercury chloride (3.7 × 10-1 - 3.7 × 101 nM), used as positive control, induced a consistent pattern of embryo lethality at all stages of development, whereas benzyl penicillin (6 - 6 × 102 μM), used as negative control, did not induce any significant embryo lethality. Morphological examination of (postfertilization day 5) of eleutheroembryos treated during embryonic development with cryptolepine showed decreased body length (growth inhibition), decreased eye diameter and bulginess, enlarged pericardia, and enlarged yolk sac and muscle malformations. Conclusion Cryptolepine induces malformations, growth retardation, and mortalities in rapidly dividing zebrafish embryos ex vivo.
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9
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Yuan JM, Wei K, Zhang GH, Chen NY, Wei XW, Pan CX, Mo DL, Su GF. Cryptolepine and aromathecin based mimics as potent G-quadruplex-binding, DNA-cleavage and anticancer agents: Design, synthesis and DNA targeting-induced apoptosis. Eur J Med Chem 2019; 169:144-158. [DOI: 10.1016/j.ejmech.2019.02.072] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2018] [Revised: 02/26/2019] [Accepted: 02/26/2019] [Indexed: 01/05/2023]
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10
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Modern methods for the synthesis of δ-carbolines. Russ Chem Bull 2019. [DOI: 10.1007/s11172-019-2475-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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11
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Yu. Shuvalov V, Rupp AS, Fisyuk AS, Kuratova AK, Nefedov AA, Sagitullina GP. Synthesis and Optical Properties of Alkaloid Quindoline, Its Structural Analogues and Substituted δ‐Carbolines. ChemistrySelect 2019. [DOI: 10.1002/slct.201803515] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Vladislav Yu. Shuvalov
- Department of Organic ChemistryF. M. Dostoevsky Omsk State University, 55a Mira Ave. 644077 Omsk Russian Federation
- Laboratory of New Organic MaterialsOmsk State Technical University 11 Mira Ave. 644050 Omsk Russian Federation
| | - Anna S. Rupp
- Department of Organic ChemistryF. M. Dostoevsky Omsk State University, 55a Mira Ave. 644077 Omsk Russian Federation
| | - Alexander S. Fisyuk
- Department of Organic ChemistryF. M. Dostoevsky Omsk State University, 55a Mira Ave. 644077 Omsk Russian Federation
- Laboratory of New Organic MaterialsOmsk State Technical University 11 Mira Ave. 644050 Omsk Russian Federation
| | - Anna K. Kuratova
- Department of Organic ChemistryF. M. Dostoevsky Omsk State University, 55a Mira Ave. 644077 Omsk Russian Federation
| | - Andrey A. Nefedov
- N. N. Vorozhtsov Institute of Organic ChemistrySiberian Branch of the Russian Academy of Sciences 9 Lavrentiev Ave. 630090 Novosibirsk Russian Federation
| | - Galina P. Sagitullina
- Department of Organic ChemistryF. M. Dostoevsky Omsk State University, 55a Mira Ave. 644077 Omsk Russian Federation
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12
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Zhu D, Wu Z, Liang L, Sun Y, Luo B, Huang P, Wen S. Heterocyclic iodoniums as versatile synthons to approach diversified polycyclic heteroarenes. RSC Adv 2019; 9:33170-33179. [PMID: 35529157 PMCID: PMC9073335 DOI: 10.1039/c9ra07288h] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Accepted: 10/09/2019] [Indexed: 12/16/2022] Open
Abstract
Polycyclic heteroarenes are important scaffolds in the construction of pharmaceuticals. We have previously developed a series of novel heterocyclic iodoniums. In our current work, these unique iodoniums were employed to construct various complex polycyclic heteroarenes with structural diversity via tandem dual arylations. As a result, indole, thiophene and triphenylene motifs were fused into these heterocycles with high molecular quality, which might provide promising fragments in drug discovery. Moreover, these heterocycles could be diversified at a late stage. The transformation of heterocyclic iodoniums led to the construction of heterocycles with a high structural diversity.![]()
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Affiliation(s)
- Daqian Zhu
- State Key Laboratory of Oncology in South China
- Collaborative Innovation Center for Cancer Medicine
- Sun Yat-sen University Cancer Center
- Guangzhou 510060
- China
| | - Zhouming Wu
- State Key Laboratory of Oncology in South China
- Collaborative Innovation Center for Cancer Medicine
- Sun Yat-sen University Cancer Center
- Guangzhou 510060
- China
| | - Liyun Liang
- State Key Laboratory of Oncology in South China
- Collaborative Innovation Center for Cancer Medicine
- Sun Yat-sen University Cancer Center
- Guangzhou 510060
- China
| | - Yameng Sun
- State Key Laboratory of Oncology in South China
- Collaborative Innovation Center for Cancer Medicine
- Sun Yat-sen University Cancer Center
- Guangzhou 510060
- China
| | - Bingling Luo
- State Key Laboratory of Oncology in South China
- Collaborative Innovation Center for Cancer Medicine
- Sun Yat-sen University Cancer Center
- Guangzhou 510060
- China
| | - Peng Huang
- State Key Laboratory of Oncology in South China
- Collaborative Innovation Center for Cancer Medicine
- Sun Yat-sen University Cancer Center
- Guangzhou 510060
- China
| | - Shijun Wen
- State Key Laboratory of Oncology in South China
- Collaborative Innovation Center for Cancer Medicine
- Sun Yat-sen University Cancer Center
- Guangzhou 510060
- China
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13
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Wen H, Cao W, Liu Y, Wang L, Chen P, Tang Y. Metal-Free [2 + 2 + 2] Cycloaddition of Ynamide-Nitriles with Ynamides: A Highly Regio- and Chemoselective Synthesis of δ-Carboline Derivatives. J Org Chem 2018; 83:13308-13324. [PMID: 30353730 DOI: 10.1021/acs.joc.8b02112] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
A metal-free formal [2 + 2 + 2] cycloaddition of functionalized ynamide-nitriles with ynamides is disclosed which offers highly efficient access to polysubstituted δ-carboline derivatives under the mediation of TfOH. This strategy is highly regioselective and chemoselective and displays mild conditions, high yields, and efficiency (within 1 min) in addition to substrates scopes (56 examples).
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Affiliation(s)
- Hao Wen
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy , Ocean University of China , Yushan Road , Qingdao , 266003 , People's Republic of China
| | - Wei Cao
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy , Ocean University of China , Yushan Road , Qingdao , 266003 , People's Republic of China
| | - Yu Liu
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy , Ocean University of China , Yushan Road , Qingdao , 266003 , People's Republic of China
| | - Liang Wang
- College of Chemistry and Pharmaceutical Sciences , Qingdao Agricultural University , Qingdao 266109 , People's Republic of China
| | - Ping Chen
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy , Ocean University of China , Yushan Road , Qingdao , 266003 , People's Republic of China
| | - Yu Tang
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy , Ocean University of China , Yushan Road , Qingdao , 266003 , People's Republic of China.,Laboratory for Marine Drugs and Bioproducts Qingdao National Laboratory for Marine Science and Technology , Qingdao 266237 , People's Republic of China
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14
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Lim CH, Kudisch M, Liu B, Miyake GM. C-N Cross-Coupling via Photoexcitation of Nickel-Amine Complexes. J Am Chem Soc 2018; 140:7667-7673. [PMID: 29787252 PMCID: PMC6034616 DOI: 10.1021/jacs.8b03744] [Citation(s) in RCA: 147] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
C-N cross-coupling is an important class of reactions with far-reaching impacts across chemistry, materials science, biology, and medicine. Transition metal complexes can elegantly orchestrate diverse aminations but typically require demanding reaction conditions, precious metal catalysts, or oxygen-sensitive procedures. Here, we introduce a mild nickel-catalyzed C-N cross-coupling methodology that operates at room temperature using an inexpensive nickel source (NiBr2·3H2O), is oxygen tolerant, and proceeds through direct irradiation of the nickel-amine complex. This operationally robust process was employed for the synthesis of diverse C-N-coupled products (40 examples) by irradiating a solution containing an amine, an aryl halide, and a catalytic amount of NiBr2·3H2O with a commercially available 365 nm LED at room temperature without added photoredox catalyst and the amine substrate serving additional roles as the ligands and base. Density functional theory calculations and kinetic isotope effect experiments were performed to elucidate the observed C-N cross-coupling reactivity.
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Affiliation(s)
- Chern-Hooi Lim
- Department of Chemistry , Colorado State University , Fort Collins , Colorado 80523 , United States
| | - Max Kudisch
- Department of Chemistry , Colorado State University , Fort Collins , Colorado 80523 , United States
| | - Bin Liu
- Department of Chemistry , Colorado State University , Fort Collins , Colorado 80523 , United States
| | - Garret M Miyake
- Department of Chemistry , Colorado State University , Fort Collins , Colorado 80523 , United States
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15
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Yan Q, Gin E, Banwell MG, Willis AC, Carr PD. A Unified Approach to the Isomeric α-, β-, γ-, and δ-Carbolines via their 6,7,8,9-Tetrahydro Counterparts. J Org Chem 2017; 82:4328-4335. [DOI: 10.1021/acs.joc.7b00323] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Qiao Yan
- Research School of Chemistry,
Institute of Advanced Studies, The Australian National University, Canberra, ACT 2601, Australia
| | - Emma Gin
- Research School of Chemistry,
Institute of Advanced Studies, The Australian National University, Canberra, ACT 2601, Australia
| | - Martin G. Banwell
- Research School of Chemistry,
Institute of Advanced Studies, The Australian National University, Canberra, ACT 2601, Australia
| | - Anthony C. Willis
- Research School of Chemistry,
Institute of Advanced Studies, The Australian National University, Canberra, ACT 2601, Australia
| | - Paul D. Carr
- Research School of Chemistry,
Institute of Advanced Studies, The Australian National University, Canberra, ACT 2601, Australia
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16
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Chatterjee T, Roh GB, Shoaib MA, Suhl CH, Kim JS, Cho CG, Cho EJ. Visible-Light-Induced Synthesis of Carbazoles by in Situ Formation of Photosensitizing Intermediate. Org Lett 2017; 19:1906-1909. [DOI: 10.1021/acs.orglett.7b00681] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Tanmay Chatterjee
- Department
of Chemistry, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Geum-bee Roh
- Department
of Chemistry, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Mahbubul Alam Shoaib
- Department of Chemistry & Nanoscience, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Chang-Heon Suhl
- Department
of Chemistry, Hanyang University, Seoul 04763, Republic of Korea
| | - Jun Soo Kim
- Department of Chemistry & Nanoscience, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Cheon-Gyu Cho
- Department
of Chemistry, Hanyang University, Seoul 04763, Republic of Korea
| | - Eun Jin Cho
- Department
of Chemistry, Chung-Ang University, Seoul 06974, Republic of Korea
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17
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Jiang R, Wang Y, Zhou Z. Facile synthesis of pyrido[3,2-b]indole via multicomponent reaction strategy under aerobic conditions. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.08.050] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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18
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Hung TQ, Dang TT, Janke J, Villinger A, Langer P. Efficient synthesis of α- and δ-carbolines by sequential Pd-catalyzed site-selective C–C and twofold C–N coupling reactions. Org Biomol Chem 2015; 13:1375-86. [DOI: 10.1039/c4ob02226b] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Two concise and efficient approaches were developed for the synthesis of α- and δ-carboline derivatives.
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Affiliation(s)
| | - Tuan Thanh Dang
- Institut für Chemie
- Universität Rostock
- 18059 Rostock
- Germany
- Organic Chemistry
| | - Julia Janke
- Institut für Chemie
- Universität Rostock
- 18059 Rostock
- Germany
| | | | - Peter Langer
- Institut für Chemie
- Universität Rostock
- 18059 Rostock
- Germany
- Leibniz Institut für Katalyse an der Universität Rostock e. V. (LIKAT)
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19
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20
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Bolden S, Zhu XY, Etukala JR, Boateng C, Mazu T, Flores-Rozas H, Jacob MR, Khan SI, Walker LA, Ablordeppey SY. Structure-activity relationship (SAR) and preliminary mode of action studies of 3-substituted benzylthioquinolinium iodide as anti-opportunistic infection agents. Eur J Med Chem 2013; 70:130-42. [PMID: 24141203 DOI: 10.1016/j.ejmech.2013.09.044] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2013] [Revised: 09/23/2013] [Accepted: 09/26/2013] [Indexed: 10/26/2022]
Abstract
Opportunistic infections are devastating to immunocompromised patients. And in especially sub-Saharan Africa where the AIDS epidemic is still raging, the mortality rate was recently as high as 70%. The paucity of anti-opportunistic drugs, the decreasing efficacy and the development of resistance against the azoles and even amphotericin B have stimulated the search for new drugs with new mechanisms of action. In a previous work, we showed that a new chemotype derived from the natural product cryptolepine displayed selective toxicity against opportunistic pathogens with minimal cytotoxicity to normal cells. In this manuscript, we report the design and synthesis of substituted benzylthioquinolinium iodides, evaluated their anti-infective properties and formulated some initial structure-activity relationships around phenyl ring A from the original natural product. The sensitivity of the most potent analog 10l, to selected strains of C. cerevisiae was also evaluated leading to the observation that this scaffold may have a different mode of action from its predecessor, cryptolepine.
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Affiliation(s)
- Sidney Bolden
- College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL 32307, USA
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21
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Bolden S, Boateng CA, Zhu XY, Etukala JR, Eyunni SK, Jacob MR, Khan SI, Ablordeppey SY. CoMFA studies and in vitro evaluation of some 3-substituted benzylthio quinolinium salts as anticryptococcal agents. Bioorg Med Chem 2013; 21:7194-201. [PMID: 24080102 DOI: 10.1016/j.bmc.2013.08.043] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2013] [Revised: 08/14/2013] [Accepted: 08/23/2013] [Indexed: 10/26/2022]
Abstract
The 3-dimensional quantitative structure-activity relationship (3D-QSAR) molecular modeling technique or comparative molecular field analysis (CoMFA) has been used to design analogs of the natural product cryptolepine (1). Twenty-three compounds with their in vitro biological activities (IC50 values) against Crytococcus neoformans were used to generate the training set database of compounds for the CoMFA studies. The cross-validated q(2), noncross-validated r(2), and partial least squares (PLS) analysis results were used to predict the biological activity of 11 newly designed test set compounds. The best CoMFA model produced a q(2) of 0.815 and an r(2) of 0.976 indicating high statistical significance as a predictive model. The steric and electrostatic contributions from the contour map were interpreted from the color-coded contour plots generated from the PLS model and the active structural components for potency against C. neoformans were determined and validated in the test set compounds. The 3-substituted benzylthio quinolinium salts (4) that make up the test set were synthesized and evaluated based on the predicted activity from the CoMFA model and the results produced a good correlation between the predicted and experimental activity (R=0.82). Thus, CoMFA has served as an effective tool to aid the design of new analogs and in this case, it has aided the identification of compounds equipotent with amphotericin B, the gold standard in antifungal drug design.
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Affiliation(s)
- Sidney Bolden
- College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL 32307, USA
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22
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Xia S, Wang LY, Sun HZ, Yue H, Wang XH, Tan JL, Wang Y, Hou D, He XY, Mun KC, Kumar BP, Zuo H, Shin DS. Synthesis of N-Azaaryl Anilines: An Efficient Protocol via Smiles Rearrangement. B KOREAN CHEM SOC 2013. [DOI: 10.5012/bkcs.2013.34.2.394] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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23
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Hanthorn JJ, Valgimigli L, Pratt DA. Preparation of Highly Reactive Pyridine- and Pyrimidine-Containing Diarylamine Antioxidants. J Org Chem 2012; 77:6908-16. [DOI: 10.1021/jo301013c] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Jason J. Hanthorn
- Department
of Chemistry, Queen’s University, 90 Bader Lane, Kingston,
Ontario, Canada K7L 3N6
| | - Luca Valgimigli
- Department
of Organic Chemistry
“A. Mangini”, University of Bologna, 40126, Bologna, Italy
| | - Derek A. Pratt
- Department
of Chemistry, Queen’s University, 90 Bader Lane, Kingston,
Ontario, Canada K7L 3N6
- Department of Chemistry, University of Ottawa, 10 Marie Curie Pvt., Ottawa,
Ontario, Canada K1N 6N5
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24
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Pumphrey AL, Dong H, Driver TG. Rh(II)2-catalyzed synthesis of α-, β-, or δ-carbolines from aryl azides. Angew Chem Int Ed Engl 2012; 51:5920-3. [PMID: 22539459 PMCID: PMC3397914 DOI: 10.1002/anie.201201788] [Citation(s) in RCA: 94] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2012] [Revised: 04/10/2012] [Indexed: 11/09/2022]
Affiliation(s)
- Ashley L. Pumphrey
- Department of Chemistry, University of Illinois at Chicago, 845 W. Taylor St., Chicago, IL 60607 (USA), Homepage: http://www.chem.uic.edu/driver
| | - Huijun Dong
- Department of Chemistry, University of Illinois at Chicago, 845 W. Taylor St., Chicago, IL 60607 (USA), Homepage: http://www.chem.uic.edu/driver
| | - Tom G. Driver
- Department of Chemistry, University of Illinois at Chicago, 845 W. Taylor St., Chicago, IL 60607 (USA), Homepage: http://www.chem.uic.edu/driver
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25
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Pumphrey AL, Dong H, Driver TG. RhII2-Catalyzed Synthesis of α-, β-, or δ-Carbolines from Aryl Azides. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201201788] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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26
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Cao J, Xu Y, Kong Y, Cui Y, Hu Z, Wang G, Deng Y, Lai G. Synthesis of δ-Carbolines via a Pd-Catalyzed Sequential Reaction from 2-Iodoanilines and N-Tosyl-enynamines. Org Lett 2011; 14:38-41. [DOI: 10.1021/ol2027762] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jian Cao
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Wenyi Road 222, Hangzhou 310012, People’s Republic of China
| | - Yongping Xu
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Wenyi Road 222, Hangzhou 310012, People’s Republic of China
| | - Yulong Kong
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Wenyi Road 222, Hangzhou 310012, People’s Republic of China
| | - Yuming Cui
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Wenyi Road 222, Hangzhou 310012, People’s Republic of China
| | - Ziqiang Hu
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Wenyi Road 222, Hangzhou 310012, People’s Republic of China
| | - Guanhai Wang
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Wenyi Road 222, Hangzhou 310012, People’s Republic of China
| | - Yuan Deng
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Wenyi Road 222, Hangzhou 310012, People’s Republic of China
| | - Guoqiao Lai
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Wenyi Road 222, Hangzhou 310012, People’s Republic of China
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