1
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Huang Z, Li J, Nan H, Yang W, Zheng J. Iodine-Catalyzed [5 + 1] Carbonylation of 2-Alkenyl/Pyrrolylanilines with CS 2 as the Carbonylating Reagent. J Org Chem 2024. [PMID: 39041857 DOI: 10.1021/acs.joc.4c00316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/24/2024]
Abstract
Novel metal-free iodine (I2)-catalyzed [5 + 1] carbonylation of 2-alkenyl/pyrrolylanilines with carbon disulfide (CS2) as the carbonylating reagent has been developed. This innovative method allows for the synthesis of valuable derivatives such as 4-aryl-2-quinolinones and pyrrolyl-fused quinoxalinones. Notably, this work represents the first instance where CS2 has been utilized as a carbonylating reagent source. The protocol demonstrates the utilization of various substrates, leading to diverse reactions that afford excellent yields under mild conditions. The method also shows good compatibility with functional groups present in the substrates, further enhancing its synthetic utility. Importantly, the developed reaction exhibits scalability, enabling gram-scale synthesis, and shows promise for the synthesis of druglike molecules. In this catalytic system, CS2 serves as the carbonyl source, while dimethyl sulfoxide plays multiple roles, including acting as an oxidant and a solvent. Mechanistic studies have been conducted to elucidate the underlying processes, with the formation of quinolone-2-thiones identified as crucial intermediates, facilitating the carbonylation annulation process.
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Affiliation(s)
- Zhilong Huang
- College of Chemistry and Chemical Engineering, Nanchang University, 999 XuFu Road, Nangchang 330031, China
| | - Jin Li
- College of Chemistry and Chemical Engineering, Nanchang University, 999 XuFu Road, Nangchang 330031, China
| | - Haocheng Nan
- College of Chemistry and Chemical Engineering, Nanchang University, 999 XuFu Road, Nangchang 330031, China
| | - Weiran Yang
- College of Chemistry and Chemical Engineering, Nanchang University, 999 XuFu Road, Nangchang 330031, China
| | - Jing Zheng
- College of Chemistry and Chemical Engineering, Nanchang University, 999 XuFu Road, Nangchang 330031, China
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2
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Rahaman S, Sahay SS, Kumari A, Dey S. Multicomponent Cross-Dehydrogenative Coupling of Imidazo[1,2- a]pyridine: Access to Abnormal Mannich and Mannich-Type Reaction. J Org Chem 2024. [PMID: 39017591 DOI: 10.1021/acs.joc.4c01001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/18/2024]
Abstract
This study showcases successfully switchable approaches to accomplish the C3-aryl methylation and C3- amino methylation of privileged nitrogen-containing pharmaceutical compounds "imidazopyridines" with distinct amines, which surmounts the long-standing requirement for a superfluous directing group. These two transformations manifest pronounced regio- and chemo-divergent behavior, successfully demonstrating unprecedented multicomponent "abnormal Mannich and Mannich-type" reactions. The remarkable environmentally benign protocol has been efficiently extended to concise the synthesis and late-stage derivatization.
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Affiliation(s)
- Segufa Rahaman
- Department of Chemistry and Chemical Biology, Indian Institute of Technology (Indian School of Mines), Dhanbad 826004, Jharkhand, India
| | - Suhag Singh Sahay
- Department of Chemistry and Chemical Biology, Indian Institute of Technology (Indian School of Mines), Dhanbad 826004, Jharkhand, India
| | - Annu Kumari
- Department of Chemistry and Chemical Biology, Indian Institute of Technology (Indian School of Mines), Dhanbad 826004, Jharkhand, India
| | - Swapan Dey
- Department of Chemistry and Chemical Biology, Indian Institute of Technology (Indian School of Mines), Dhanbad 826004, Jharkhand, India
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3
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Niu ZX, Wang YT, Wang JF. Recent advances in total synthesis of protoberberine and chiral tetrahydroberberine alkaloids. Nat Prod Rep 2024. [PMID: 38712365 DOI: 10.1039/d4np00016a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
Covering: Up to 2024Due to the widespread distribution of protoberberine alkaloids (PBs) and tetrahydroberberine alkaloids (THPBs) in nature, coupled with their myriad unique physiological activities, they have garnered considerable attention from medical practitioners. Over the past few decades, synthetic chemists have devised various total synthesis methods to attain these structures, continually expanding reaction pathways to achieve more efficient synthetic strategies. Simultaneously, the chiral construction of THPBs has become a focal point. In this comprehensive review, we categorically summarized the developmental trajectory of the total synthesis of these alkaloids based on the core closure strategies of protoberberine and tetrahydroberberine.
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Affiliation(s)
- Zhen-Xi Niu
- Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou, 450018, China.
| | - Ya-Tao Wang
- First People's Hospital of Shangqiu, Shangqiu 476000, Henan Province, China.
- Department of Orthopedics, China-Japan Union Hospital, Jilin University, Changchun 130033, China
| | - Jun-Feng Wang
- Gordon Center for Medical Imaging, Massachusetts General Hospital, Harvard Medical School, 125 Nashua Street, Suite 660, Boston, Massachusetts 02114, USA.
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4
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Huang Y, Peng X, Li T. Recent Advances in NHC-Catalyzed Chemoselective Activation of Carbonyl Compounds. Chem Asian J 2024; 19:e202400097. [PMID: 38451172 DOI: 10.1002/asia.202400097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 03/05/2024] [Accepted: 03/06/2024] [Indexed: 03/08/2024]
Abstract
N-Heterocyclic carbenes (NHCs) catalysts have been employed as effective tools in the development of various reactions, which have made notable contributions in developing diverse reaction modes and generating significant functionalized molecules. This review provides an overview of the recent advancements in the chemo- and regioselective activation of different aldehydes using NHCs, categorized into five parts based on the different activation modes. A brief conclusion and outlook is provided to stimulate the development of novel activation modes for accessing functional molecules.
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Affiliation(s)
- Yixian Huang
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, 550025, China
| | - Xiaolin Peng
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, 550025, China
| | - Tingting Li
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, 550025, China
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5
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Li J, Ni H, Zhang W, Lai Z, Jin H, Zeng L, Cui S. A multicomponent reaction for modular assembly of indole-fused heterocycles. Chem Sci 2024; 15:5211-5217. [PMID: 38577354 PMCID: PMC10988590 DOI: 10.1039/d4sc00522h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Accepted: 03/03/2024] [Indexed: 04/06/2024] Open
Abstract
Indoles are privileged chemical entities in natural products and drug discovery. Indole-fused heterocycles, particularly seven-membered ones, have received increasing attention due to their distinctive chemical characteristics and wide spectrum of bioactivities. However, the synthetic access to these compounds is highly limited. Herein, we report a unique multicomponent reaction (MCR) for modular assembly of indole-fused seven-membered heterocycles. In this process, indole, formaldehyde and amino hydrochloride could assemble rapidly to yield indole-fused oxadiazepines, and another addition of sodium thiosulphate would furnish indole-fused thiadiazepines. The biological evaluation disclosed the promising anticancer activity of these compounds. Furthermore, this MCR could be applicable in the late-stage and selective modifications of peptides. Therefore, this work provides a powerful strategy for indole functionalization and valuable tool for construction of seven-membered heterocycles.
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Affiliation(s)
- Jiaming Li
- College of Pharmaceutical Sciences, National Key Laboratory of Advanced Drug Delivery and Release Systems, Zhejiang University 866 Yuhangtang Road Hangzhou 310058 China
| | - Hao Ni
- College of Pharmaceutical Sciences, National Key Laboratory of Advanced Drug Delivery and Release Systems, Zhejiang University 866 Yuhangtang Road Hangzhou 310058 China
| | - Weiwei Zhang
- College of Pharmaceutical Sciences, National Key Laboratory of Advanced Drug Delivery and Release Systems, Zhejiang University 866 Yuhangtang Road Hangzhou 310058 China
| | - Zhencheng Lai
- College of Pharmaceutical Sciences, National Key Laboratory of Advanced Drug Delivery and Release Systems, Zhejiang University 866 Yuhangtang Road Hangzhou 310058 China
| | - Huimin Jin
- College of Pharmaceutical Sciences, National Key Laboratory of Advanced Drug Delivery and Release Systems, Zhejiang University 866 Yuhangtang Road Hangzhou 310058 China
| | - Linwei Zeng
- College of Pharmaceutical Sciences, National Key Laboratory of Advanced Drug Delivery and Release Systems, Zhejiang University 866 Yuhangtang Road Hangzhou 310058 China
| | - Sunliang Cui
- College of Pharmaceutical Sciences, National Key Laboratory of Advanced Drug Delivery and Release Systems, Zhejiang University 866 Yuhangtang Road Hangzhou 310058 China
- Jinhua Institute of Zhejiang University Jinhua Zhejiang Province 321299 China
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6
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Fan C, Zhang Z, Lai Z, Yang Y, Li J, Liu L, Chen S, Hu X, Zhao H, Cui S. Chemical Evolution and Biological Evaluation of Natural Products for Efficient Therapy of Acute Lung Injury. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2305432. [PMID: 38126681 PMCID: PMC10870070 DOI: 10.1002/advs.202305432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 11/01/2023] [Indexed: 12/23/2023]
Abstract
Acute lung injury (ALI) is one of the most common complications in COVID-19 and also a syndrome of acute respiratory failure with high mortality rates, but lacks effective therapeutic drugs. Natural products provide inspiration and have proven to be the most valuable source for bioactive molecule discovery. In this study, the chemical evolution of the natural product Tanshinone IIA (Tan-IIA) to achieve a piperidine-fused scaffold through a synthetic route of pre-activation, multi-component reaction, and post-modification is presented. Through biological evaluation, it is pinpointed that compound 8b is a standout candidate with remarkable anti-inflammation and anti-oxidative stress properties, coupled with low toxicity. The mechanistic study unveils a multifaceted biological profile of 8b and shows that 8b is highly efficient in vivo for the treatment of ALI. Therefore, this work not only provides an effective strategy for the treatment of ALI, but also offers a distinctive natural product-inspired drug discovery.
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Affiliation(s)
- Chengcheng Fan
- Institute of Drug Discovery and DesignCollege of Pharmaceutical SciencesNational Key Laboratory of Advanced Drug Delivery and Release SystemsZhejiang University866 Yuhangtang RoadHangzhou310058China
| | - Zeyi Zhang
- College of Pharmaceutical SciencesZhejiang Chinese Medical UniversityHangzhou311402China
| | - Zhencheng Lai
- Institute of Drug Discovery and DesignCollege of Pharmaceutical SciencesNational Key Laboratory of Advanced Drug Delivery and Release SystemsZhejiang University866 Yuhangtang RoadHangzhou310058China
| | - Yanzi Yang
- College of Pharmaceutical SciencesZhejiang Chinese Medical UniversityHangzhou311402China
| | - Jiaming Li
- Institute of Drug Discovery and DesignCollege of Pharmaceutical SciencesNational Key Laboratory of Advanced Drug Delivery and Release SystemsZhejiang University866 Yuhangtang RoadHangzhou310058China
| | - Lei Liu
- Institute of Drug Discovery and DesignCollege of Pharmaceutical SciencesNational Key Laboratory of Advanced Drug Delivery and Release SystemsZhejiang University866 Yuhangtang RoadHangzhou310058China
| | - Siyu Chen
- Institute of Drug Discovery and DesignCollege of Pharmaceutical SciencesNational Key Laboratory of Advanced Drug Delivery and Release SystemsZhejiang University866 Yuhangtang RoadHangzhou310058China
| | - Xueping Hu
- Institute of Molecular Sciences and EngineeringInstitute of Frontier and Interdisciplinary ScienceShandong UniversityQingdao266237China
| | - Huajun Zhao
- College of Pharmaceutical SciencesZhejiang Chinese Medical UniversityHangzhou311402China
| | - Sunliang Cui
- Institute of Drug Discovery and DesignCollege of Pharmaceutical SciencesNational Key Laboratory of Advanced Drug Delivery and Release SystemsZhejiang University866 Yuhangtang RoadHangzhou310058China
- Jinhua Institute of Zhejiang UniversityJinhuaZhejiang321299China
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7
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Zhang Z, Meng XJ, Cui FH, Tang HT, Wang YC, Huang GB, Pan YM. Electrochemically Promoted Three-Component Reaction to N-Sulfonyl Amidines. Org Lett 2024; 26:193-197. [PMID: 38147844 DOI: 10.1021/acs.orglett.3c03820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2023]
Abstract
In this study, a multicomponent reaction via the Mannich intermediate was developed using methanol, secondary amine, and sulfonamide as starting materials. This method uses methanol as a green C1 source. The substrate scope is wide, and the yield is good. The mechanistic study shows that methanol generates formaldehyde under electrochemical conditions, and sulfonyl amidine as a nucleophile reacts with Schiff base intermediates to form N-sulfonyl amidine in a single step.
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Affiliation(s)
- Zhang Zhang
- College of Chemistry and Chemical Engineering, Jishou University, Jishou 416000, People's Republic of China
| | - Xiu-Jin Meng
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, People's Republic of China
| | - Fei-Hu Cui
- Guangxi Key Laboratory of Agricultural Resources Chemistry and Biotechnology, College of Chemistry and Food Science of Yulin Normal University, Yulin 537000, People's Republic of China
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, People's Republic of China
| | - Hai-Tao Tang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, People's Republic of China
| | - Ying-Chun Wang
- College of Chemistry and Chemical Engineering, Jishou University, Jishou 416000, People's Republic of China
| | - Guo-Bao Huang
- Guangxi Key Laboratory of Agricultural Resources Chemistry and Biotechnology, College of Chemistry and Food Science of Yulin Normal University, Yulin 537000, People's Republic of China
| | - Ying-Ming Pan
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, People's Republic of China
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8
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Lai Z, Ni H, Hu X, Cui S. Discovery of Novel 1,2,3,4-Tetrahydrobenzofuro[2,3- c]pyridine Histone Deacetylase Inhibitors for Efficient Treatment of Hepatocellular Carcinoma. J Med Chem 2023; 66:10791-10807. [PMID: 37498552 DOI: 10.1021/acs.jmedchem.3c01008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/28/2023]
Abstract
The development of histone deacetylase (HDAC) inhibitors for treating hematologic malignancies has been widely investigated, while their role in hepatocellular carcinoma (HCC) remains unexplored. In this study, we employed a scaffold-hopping design and a multicomponent synthesis approach to develop a novel series of 1,2,3,4-tetrahydrobenzofuro[2,3-c]pyridines as HDAC inhibitors. There were a total of 29 compounds achieved with flexible linkers and zinc-binding groups, wherein compound 12k was identified as a promising candidate with good HDAC inhibitory activity, pharmacokinetic profiles, and potency. It exhibited significant therapeutic efficacy in HCC cell lines (IC50 = 30 nM for Bel-7402) and xenograft models (76% inhibition for Bel-7402 xenografts, P.O. at 20 mg/kg, QOD, for 14 days) and was found to upregulate the acetylation of histone H3 and α-tubulin, leading to apoptosis and autophagy in HCC models. Molecular docking studies indicated a unique T-shaped conformation of 12k with the catalytic domain of HDAC1. Therefore, this work provides a new structure design for HDAC inhibitors and also offers a promising treatment for HCC.
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Affiliation(s)
- Zhencheng Lai
- Institute of Drug Discovery and Design, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Hao Ni
- Institute of Drug Discovery and Design, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
- Jinhua Institute of Zhejiang University, Jinhua, Zhejiang Province 321299, China
| | - Xueping Hu
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao 266237, China
| | - Sunliang Cui
- Institute of Drug Discovery and Design, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
- Jinhua Institute of Zhejiang University, Jinhua, Zhejiang Province 321299, China
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9
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Li J, Lai Z, Zhang W, Zeng L, Cui S. Modular assembly of indole alkaloids enabled by multicomponent reaction. Nat Commun 2023; 14:4806. [PMID: 37558669 PMCID: PMC10412628 DOI: 10.1038/s41467-023-40598-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Accepted: 08/03/2023] [Indexed: 08/11/2023] Open
Abstract
Indole alkaloids are one of the largest alkaloid classes, proving valuable structural moiety in pharmaceuticals. Although methods for the synthesis of indole alkaloids are constantly explored, the direct single-step synthesis of these chemical entities with broad structural diversity remains a formidable challenge. Herein, we report a modular assembly of tetrahydrocarboline type of indole alkaloids from simple building blocks in a single step while showing broad compatibility with medicinally relevant functionality. In this protocol, the 2-alkylated or 3-alkylated indoles, formaldehyde, and amine hydrochlorides could undergo a one-pot reaction to deliver γ-tetrahydrocarbolines or β-tetrahydrocarbolines directly. A wide scope of these readily available starting materials is applicable in this process, and numerous structural divergent tetrahydrocarbolines could be achieved rapidly. The control reaction and deuterium-labelling reaction are conducted to probe the mechanism. And mechanistically, this multicomponent reaction relies on a multiple alkylamination cascade wherein an unusual C(sp3)-C(sp3) connection was involved in this process. This method could render rapid access to pharmaceutically interesting compounds, greatly enlarge the indole alkaloid library and accelerate the lead compound optimization thus facilitating drug discovery.
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Affiliation(s)
- Jiaming Li
- Institute of Drug Discovery and Design, National Key Laboratory of Advanced Drug Delivery and Release Systems, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Zhencheng Lai
- Institute of Drug Discovery and Design, National Key Laboratory of Advanced Drug Delivery and Release Systems, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Weiwei Zhang
- Institute of Drug Discovery and Design, National Key Laboratory of Advanced Drug Delivery and Release Systems, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Linwei Zeng
- Institute of Drug Discovery and Design, National Key Laboratory of Advanced Drug Delivery and Release Systems, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Sunliang Cui
- Institute of Drug Discovery and Design, National Key Laboratory of Advanced Drug Delivery and Release Systems, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China.
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10
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Chen D, Wan C, Liu Y, Wan JP. Three-Component Fusion to Pyrazolo[5,1- a]isoquinolines via Rh-Catalyzed Multiple Order Transformation of Enaminones. J Org Chem 2023; 88:4833-4838. [PMID: 36947699 DOI: 10.1021/acs.joc.3c00019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/24/2023]
Abstract
A facile and practical method for the synthesis of fused tricyclic pyrazolo[5,1-a]isoquinolines has been realized via the reactions of enaminones, hydrazine hydrochloride, and internal alkynes. By means of Rh catalysis, the extraordinary high-order bond functionalization, including the transformation of aryl C-H, ketone C═O, and alkenyl C-N bonds in the enaminones, marks the major feature of the cascade reactions. The results disclose the individual advantage of enaminones in the design of novel and efficient synthetic methods.
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Affiliation(s)
- Demao Chen
- National Engineering Research Center for Carbohydrate Synthesis, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi 330022, P. R. China
| | - Changfeng Wan
- National Engineering Research Center for Carbohydrate Synthesis, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi 330022, P. R. China
| | - Yunyun Liu
- National Engineering Research Center for Carbohydrate Synthesis, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi 330022, P. R. China
| | - Jie-Ping Wan
- National Engineering Research Center for Carbohydrate Synthesis, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi 330022, P. R. China
- International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing, Jiangsu 210037, P. R. China
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11
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Li J, Sheng H, Wang Y, Lai Z, Wang Y, Cui S. Scaffold Hybrid of the Natural Product Tanshinone I with Piperidine for the Discovery of a Potent NLRP3 Inflammasome Inhibitor. J Med Chem 2023; 66:2946-2963. [PMID: 36786612 DOI: 10.1021/acs.jmedchem.2c01967] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
Natural products provide inspiration and have proven to be the most valuable source for drug discovery. Herein, we report a scaffold hybrid strategy of Tanshinone I for the discovery of NLRP3 inflammasome inhibitors. 36 compounds were designed and synthesized, and the cheminformatic analyses showed that these compounds occupy a unique chemical space. The biological evaluation identified compounds 5j, 12a, and 12d as NLRP3 inflammasome inhibitors with significant potency, selectivity, and drug-likeness. Mechanistic studies revealed that these Tanshinone I derivatives could inhibit the degradation of the protein NLRP3 and block the oligomerization of NLRP3-induced apoptosis-associated speck-like proteins, thus inhibiting NLRP3 inflammasome activation. In addition, the water solubility, in vitro metabolic stability, and oral bioavailability of these compounds were also greatly improved compared to Tanshinone I. Therefore, this protocol provides a new structural evolution of Tanshinone I and a new class of potent NLRP3 inflammasome inhibitors.
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Affiliation(s)
- Jiaming Li
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Hongda Sheng
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yingchao Wang
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Zhencheng Lai
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yi Wang
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Sunliang Cui
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
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12
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Kaur P, Sharma P, Kumar V, Sahal D, Kumar R. Chitosan-supported FeCl3 catalyzed multicomponent synthesis of tetrahydroisoquinoline-indole hybrids with promising activity against chloroquine resistant Plasmodium falciparum. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.134406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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