1
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Takashima K, Nakamura S, Nagayama M, Marumoto S, Ishikawa F, Xie W, Nakanishi I, Muraoka O, Morikawa T, Tanabe G. Role of the thiosugar ring in the inhibitory activity of salacinol, a potent natural α-glucosidase inhibitor. RSC Adv 2024; 14:4471-4481. [PMID: 38312722 PMCID: PMC10835759 DOI: 10.1039/d3ra08485j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Accepted: 01/23/2024] [Indexed: 02/06/2024] Open
Abstract
Herein, ring-cleaved (24) and truncated (25) analogues of an azasugar, 1-deoxynojirimycin (23), exhibited inhibitory activity (Ki = 4-10 μM) equal to that of the parent compound (1, Ki = 14 μM). Based on this structure-activity relationship (SAR), four ring-cleaved (26a-26c and 27c) and three truncated (28a-28c) analogues of salacinol (1), a potent thiosugar-ring-containing α-glucosidase inhibitor, were synthesised. Bioassay results revealed that all the synthetics were inactive, indicating that the 5-membered thiosugar ring of 1 played an essential role in the potent activities of sulfonium-type inhibitors. The present findings are interesting and important in understanding the function of salacinol, considering that the observed inhibitory activity trend was contrary to the SAR observed in aza-compounds (23, 24, and 25) in a previous study, which suggested that the cyclic structure did not contribute to their strong inhibitory activity.
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Affiliation(s)
- Katsuki Takashima
- Faculty of Pharmacy, Kindai University 3-4-1 Kowakae, Higashi-osaka Osaka 577-8502 Japan
| | - Shinya Nakamura
- Faculty of Pharmacy, Kindai University 3-4-1 Kowakae, Higashi-osaka Osaka 577-8502 Japan
| | - Maiko Nagayama
- Faculty of Pharmacy, Kindai University 3-4-1 Kowakae, Higashi-osaka Osaka 577-8502 Japan
| | - Shinsuke Marumoto
- Joint Research Centre, Kindai University 3-4-1 Kowakae, Higashi-osaka Osaka 577-8502 Japan
| | - Fumihiro Ishikawa
- Faculty of Pharmacy, Kindai University 3-4-1 Kowakae, Higashi-osaka Osaka 577-8502 Japan
| | - Weijia Xie
- State Key Laboratory of Natural Medicines, Department of Medicinal Chemistry, China Pharmaceutical University Nanjing 2100009 P. R. China
| | - Isao Nakanishi
- Faculty of Pharmacy, Kindai University 3-4-1 Kowakae, Higashi-osaka Osaka 577-8502 Japan
| | - Osamu Muraoka
- Pharmaceutical Research and Technology Institute, Kindai University 3-4-1 Kowakae, Higashi-osaka Osaka 577-8502 Japan
| | - Toshio Morikawa
- Pharmaceutical Research and Technology Institute, Kindai University 3-4-1 Kowakae, Higashi-osaka Osaka 577-8502 Japan
| | - Genzoh Tanabe
- Faculty of Pharmacy, Kindai University 3-4-1 Kowakae, Higashi-osaka Osaka 577-8502 Japan
- Pharmaceutical Research and Technology Institute, Kindai University 3-4-1 Kowakae, Higashi-osaka Osaka 577-8502 Japan
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2
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Lu L, Chen J, Tao W, Wang Z, Liu D, Zhou J, Wu X, Sun H, Li W, Tanabe G, Muraoka O, Zhao B, Wu L, Xie W. Design and Synthesis of Sulfonium Derivatives: A Novel Class of α-Glucosidase Inhibitors with Potent In Vivo Antihyperglycemic Activities. J Med Chem 2023; 66:3484-3498. [PMID: 36812150 DOI: 10.1021/acs.jmedchem.2c01984] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Abstract
We report the first attempt of double-spot structural modification on a side-chain moiety of sulfonium-type α-glucosidase inhibitors isolated from genus Salacia. A series of sulfonium salts with benzylidene acetal linkage at the C3' and C5' positions were designed and synthesized. In vitro enzyme inhibition evaluation showed that compounds with a strong electron-withdrawing group attached at the ortho position on the phenyl ring present stronger inhibitory activities. Notably, the most potent inhibitor 21b (1.0 mpk) can exhibit excellent hypoglycemic effects in mice, which can still compete with those of acarbose (20.0 mpk). Molecular docking of 21b demonstrated that besides conventional interacting patterns, the newly introduced benzylidene acetal moiety plays an important role in anchoring the whole molecule in a concave pocket of the enzyme. The successful identification of 21b as a lead compound for new drug discovery may provide a means for structure modification and diversification of the distinguished sulfonium-type α-glucosidase inhibitors.
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Affiliation(s)
- Lu Lu
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Jingyi Chen
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Wenxiang Tao
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Zhimei Wang
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Dan Liu
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Jiahui Zhou
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Xiaoxing Wu
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Haopeng Sun
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Wei Li
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Genzoh Tanabe
- Faculty of Pharmacy Kinki University, 3-4-1 Kowakae, Higashiosaka, Osaka 577-8502, Japan
| | - Osamu Muraoka
- Faculty of Pharmacy Kinki University, 3-4-1 Kowakae, Higashiosaka, Osaka 577-8502, Japan
| | - Bo Zhao
- Department of Chemical and Material Science, Nanjing Normal University, Nanjing 210009, P. R. China
| | - Liang Wu
- Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Weijia Xie
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, P. R. China
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3
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Ding Y, Chen J, Liu D, Zhou J, Tao W, Yang Z, Tanabe G, Muraoka O, Xie W. Synthetic studies on naturally occurring sulfonium-type α-glucosidase inhibitors: progress and perspective. J Carbohydr Chem 2022. [DOI: 10.1080/07328303.2022.2115508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Affiliation(s)
- Ying Ding
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, P. R. China
| | - Jingyi Chen
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, P. R. China
| | - Dan Liu
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, P. R. China
| | - Jiahui Zhou
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, P. R. China
| | - Wenxiang Tao
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, P. R. China
| | - Zhizhong Yang
- SINOPEC Nanjing chemical industries CO., LTD, Nanjing, P. R. China
| | | | | | - Weijia Xie
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, P. R. China
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4
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Jain A, Maji S, Shukla K, Kumari A, Garg S, Metre RK, Bhattacharyya S, Rana NK. Stereoselective synthesis of tri-substituted tetrahydrothiophenes and their in silico binding against mycobacterial protein tyrosine phosphatase B. Org Biomol Chem 2022; 20:3124-3135. [PMID: 35343552 DOI: 10.1039/d2ob00052k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A facile approach to tri-substituted tetrahydrothiophenes via thia-Michael/aldol has been developed. The cascade reaction was carried out in the presence of 5 mol% of DABCO in ethyl acetate to afford diversely functionalized tetrahydrothiophenes (THTs) with excellent diastereoselectivity. The present methodology has broad substrate tolerance. Gram-scale reaction proceeds with equal efficiency. Functional group transformations further highlight the synthetic potential of the THTs. An asymmetric version of the cascade reaction has also been investigated and a maximum of 72% ee was observed with cinchonidine derived squaramide. Moreover, in silico based molecular docking followed by deep learning based affinity prediction and molecular dynamics simulation analysis indicate the synthesized THT derivatives can act as potent competitive inhibitors of MptpB at low micromolar to nanomolar concentrations. In silico ADME analysis further suggests the plausibility of these compounds to act as future anti-mycobacterial therapeutic leads.
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Affiliation(s)
- Anshul Jain
- Department of Chemistry, Indian Institute of Technology Jodhpur, Rajashtan-342037, India.
| | - Sushobhan Maji
- Department of Bioscience and Bioengineering, Indian Institute of Technology Jodhpur, Rajashtan-342037, India.
| | - Khyati Shukla
- Department of Chemistry, Indian Institute of Technology Kanpur, Uttar Pradesh-208016, India
| | - Akanksha Kumari
- Department of Chemistry, Indian Institute of Technology Jodhpur, Rajashtan-342037, India.
| | - Shivani Garg
- Department of Bioscience and Bioengineering, Indian Institute of Technology Jodhpur, Rajashtan-342037, India.
| | - Ramesh K Metre
- Department of Chemistry, Indian Institute of Technology Jodhpur, Rajashtan-342037, India.
| | - Sudipta Bhattacharyya
- Department of Bioscience and Bioengineering, Indian Institute of Technology Jodhpur, Rajashtan-342037, India.
| | - Nirmal K Rana
- Department of Chemistry, Indian Institute of Technology Jodhpur, Rajashtan-342037, India.
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5
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Rodrigues L, Tilve SG, Majik MS. Synthetic access to thiolane-based therapeutics and biological activity studies. Eur J Med Chem 2021; 224:113659. [PMID: 34237621 DOI: 10.1016/j.ejmech.2021.113659] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 06/15/2021] [Accepted: 06/16/2021] [Indexed: 12/26/2022]
Abstract
Secondary metabolites isolated from bioactive extracts of natural sources iteratively pioneer the research in drug discovery. Modern medicine is often inspired by bioactive natural products or the bio-functional motifs embedded in them. One of such consequential bio-functional motifs is the thiolane unit. Thiolane-based bioactive organic compounds have manifested a plethora of astonishing biological activities such as anti-viral, anti-cancer, anti-platelet, α-glucosidase inhibition, anti-HIV, immunosuppressive and anti-microbial activities which renders them excellent candidates in drug discovery. Hence, to scale up the accessibility of thiolane-based therapeutics its chemical syntheses is essential and in addition; a sneak peek in its biosynthesis would give a perspective for developing biomimetic syntheses. This review highlights the development of important thiolane-based therapeutics such as (i) Nuphar sesquiterpene thioalkaloids (ii) Thiosugar sulphonium salts from Salacia sp. (iii) Albomycins (iv) Thiolane-based therapeutics from Allium sp. (v) 4'-thionucleosides summarizing various synthetic strategies, biosynthesis and biological activity studies, covering literature till 2021. We anticipate that this review will inspire chemists and biochemists to take up the challenges encountered in the synthesis and development of thiolane-based therapeutics.
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Affiliation(s)
- Lima Rodrigues
- School of Chemical Sciences, Goa University, Taleigao Plateau, Goa, 403 206, India
| | - Santosh G Tilve
- School of Chemical Sciences, Goa University, Taleigao Plateau, Goa, 403 206, India
| | - Mahesh S Majik
- Department of Chemistry, Government College of Arts, Science and Commerce, Khandola Marcela, Goa, 403 107, India; Directorate of Higher Education, Porvorim, Goa 403 521, India.
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6
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Ishikawa F, Hirano A, Yoshimori Y, Nishida K, Nakamura S, Takashima K, Marumoto S, Ninomiya K, Nakanishi I, Xie W, Morikawa T, Muraoka O, Tanabe G. Ligand compatibility of salacinol-type α-glucosidase inhibitors toward the GH31 family. RSC Adv 2021; 11:3221-3225. [PMID: 35424309 PMCID: PMC8694024 DOI: 10.1039/d0ra10038b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Accepted: 12/28/2020] [Indexed: 11/21/2022] Open
Abstract
We show that salacinol-type α-glucosidase inhibitors are ligand-compatible with the GH 31 family. Salacinol and its 3′-O-benzylated analogs inhibit human lysosomal α-glucosidase at submicromolar levels. Simple structure-activity relationship studies reveal that the salacinol side-chain stereochemistry significantly influences binding to GH31 α-glucosidases. Salacinol-type α-glucosidase inhibitors are ligand-compatible with the GH 31 family. Salacinol and its 3′-O-benzylated analogs inhibit human lysosomal α-glucosidase at submicromolar levels.![]()
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Affiliation(s)
- Fumihiro Ishikawa
- Pharmaceutical Organic Chemistry Lab, Faculty of Pharmacy, Kindai University 3-4-1 Kowakae Higashi-Osaka Osaka 577-8502 Japan
| | - Aiko Hirano
- Pharmaceutical Organic Chemistry Lab, Faculty of Pharmacy, Kindai University 3-4-1 Kowakae Higashi-Osaka Osaka 577-8502 Japan
| | - Yuuto Yoshimori
- Pharmaceutical Organic Chemistry Lab, Faculty of Pharmacy, Kindai University 3-4-1 Kowakae Higashi-Osaka Osaka 577-8502 Japan
| | - Kana Nishida
- Pharmaceutical Organic Chemistry Lab, Faculty of Pharmacy, Kindai University 3-4-1 Kowakae Higashi-Osaka Osaka 577-8502 Japan
| | - Shinya Nakamura
- Computational Drug Design and Discovery Lab, Faculty of Pharmacy, Kindai University 3-4-1 Kowakae Higashi-Osaka Osaka 577-8502 Japan
| | - Katsuki Takashima
- Pharmaceutical Organic Chemistry Lab, Faculty of Pharmacy, Kindai University 3-4-1 Kowakae Higashi-Osaka Osaka 577-8502 Japan
| | - Shinsuke Marumoto
- Joint Research Center, Kindai University 3-4-1 Kowakae Higashi-Osaka Osaka 577-8502 Japan
| | - Kiyofumi Ninomiya
- Pharmaceutical Research and Technology Institute, Kindai University 3-4-1 Kowakae Higashi-Osaka Osaka 577-8502 Japan
| | - Isao Nakanishi
- Computational Drug Design and Discovery Lab, Faculty of Pharmacy, Kindai University 3-4-1 Kowakae Higashi-Osaka Osaka 577-8502 Japan
| | - Weijia Xie
- State Key Laboratory of Natural Medicines, Department of Medicinal Chemistry, China Pharmaceutical University Nanjing 2100009 P. R. China
| | - Toshio Morikawa
- Pharmaceutical Research and Technology Institute, Kindai University 3-4-1 Kowakae Higashi-Osaka Osaka 577-8502 Japan
| | - Osamu Muraoka
- Pharmaceutical Research and Technology Institute, Kindai University 3-4-1 Kowakae Higashi-Osaka Osaka 577-8502 Japan
| | - Genzoh Tanabe
- Pharmaceutical Organic Chemistry Lab, Faculty of Pharmacy, Kindai University 3-4-1 Kowakae Higashi-Osaka Osaka 577-8502 Japan.,Pharmaceutical Research and Technology Institute, Kindai University 3-4-1 Kowakae Higashi-Osaka Osaka 577-8502 Japan
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7
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Elongation of the side chain by linear alkyl groups increases the potency of salacinol, a potent α-glucosidase inhibitor from the Ayurvedic traditional medicine "Salacia," against human intestinal maltase. Bioorg Med Chem Lett 2020; 33:127751. [PMID: 33347966 DOI: 10.1016/j.bmcl.2020.127751] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 12/10/2020] [Accepted: 12/12/2020] [Indexed: 11/21/2022]
Abstract
Four chain-extended analogs (12a-12d) and two related de-O-sulfonated analogs (13a and 13c) by introducing alkyl groups (a: R = C3H7, b R = C6H13, c: R = C8H17, d: R = C10H21) to the side chains of salacinol (1), a natural α-glucosidase inhibitor from Ayurvedic traditional medicine "Salacia", were synthesized. The α-glucosidase inhibitory activities of all the synthesized analogs were evaluated in vitro. Against human intestinal maltase, the inhibitory activities of 12a and 13a with seven-carbon side chain were equal to that of 1. In contrast, analogs (12b-12d, and 13c) exhibited higher level of inhibitory activity against the same enzyme than 1 and had equal or higher potency than those of the clinically used anti-diabetics, voglibose, acarbose, and miglitol. Thus, elongation of the side chains of 1 was effective for specifically increasing the inhibitory activity against human intestinal maltase.
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8
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Tamburrini A, Colombo C, Bernardi A. Design and synthesis of glycomimetics: Recent advances. Med Res Rev 2020; 40:495-531. [DOI: 10.1002/med.21625] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 06/06/2019] [Accepted: 07/09/2019] [Indexed: 12/16/2022]
Affiliation(s)
- Alice Tamburrini
- Dipartimento di ChimicaUniversita’ degli Studi di Milano Milano Italy
| | - Cinzia Colombo
- Dipartimento di ChimicaUniversita’ degli Studi di Milano Milano Italy
| | - Anna Bernardi
- Dipartimento di ChimicaUniversita’ degli Studi di Milano Milano Italy
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9
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Lu L, Li X, Yang Y, Xie W. Recent Progress in the Construction of Natural De-O-Sulfonated Sulfonium Sugars with Antidiabetic Activities. Chemistry 2019; 25:13458-13471. [PMID: 31314135 DOI: 10.1002/chem.201902562] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 07/11/2019] [Indexed: 12/16/2022]
Abstract
A group of sulfonium salts equipped with a polyhydroxylated side-chain structure have been isolated and identified as potent α-glycosidase inhibitors. Consequently, they have become an attractive target in diverse research disciplines, including organic synthesis, drug discovery, and chemical biology. To this end, the development of practical and effective synthetic strategies, especially for more bioactive de-O-sulfonated sulfonium salts, is a significant research area in organic synthesis. An ideal synthetic methodology should provide easily accessible intermediates with high chemical stability for the key coupling reaction to diastereoselectively construct the sulfonium cation center. This minireview summarizes recently developed strategies applied in the construction of natural de-O-sulfonated sulfonium sugars: 1) acid-catalyzed de-O-sulfonation of sulfonium sulfate inner salts, 2) a coupling reaction between side-chain fragments containing leaving groups and a thiosugar, 3) a coupling reaction between side-chain fragments containing epoxide structures and a thiosugar, and 4) a two-step sequential SN 2 nucleophilic substitution between side-chain fragments containing thiol groups and a diiodide derivative.
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Affiliation(s)
- Lu Lu
- State Key Laboratory of Natural Medicines (SKLNM), Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, P.R. China
| | - Xiaoya Li
- State Key Laboratory of Natural Medicines (SKLNM), Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, P.R. China
| | - Yao Yang
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, 210046, P.R. China
| | - Weijia Xie
- State Key Laboratory of Natural Medicines (SKLNM), Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, P.R. China
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10
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Huang Y, Gao Y, He W, Wang Z, Li W, Lin A, Xu J, Tanabe G, Muraoka O, Wu X, Xie W. Practical Route to Neokotalanol and Its Natural Analogues: Sulfonium Sugars with Antidiabetic Activities. Angew Chem Int Ed Engl 2019; 58:6400-6404. [PMID: 30815962 DOI: 10.1002/anie.201900761] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2019] [Revised: 02/22/2019] [Indexed: 11/09/2022]
Abstract
An efficient and divergent approach toward the synthesis of all four de-O-sulfonated sulfonium type α-glucosidase inhibitors, originally isolated from plants of genus Salacia, is reported for the first time. The key strategy features a coupling reaction between thiol derivatives and a diiodide counterpart. The newly designed thiol coupling partner presents high chemical stability, while the diiodide partner could be easily obtained with increased overall yields compared with conventional routes. The intermolecular nucleophilic substitution reaction followed by a diastereoselective intramolecular cyclization provided the target five-member sulfonium salt structure, which was connected in an α-orientation to a polyhydroxylated side-chain moiety.
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Affiliation(s)
- Yuhao Huang
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, P. R. China
| | - Yunlong Gao
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, P. R. China
| | - Weigang He
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, P. R. China
| | - Zihao Wang
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, P. R. China
| | - Wei Li
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, P. R. China
| | - Aijun Lin
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, P. R. China
| | - Jinyi Xu
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, P. R. China
| | - Genzoh Tanabe
- Faculty of Pharmacy, Kinki University, 3-4-1 Kowakae, Higashi-osaka, 577-8502, Osaka, Japan
| | - Osamu Muraoka
- Faculty of Pharmacy, Kinki University, 3-4-1 Kowakae, Higashi-osaka, 577-8502, Osaka, Japan
| | - Xiaoming Wu
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, P. R. China
| | - Weijia Xie
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, P. R. China
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11
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Huang Y, Gao Y, He W, Wang Z, Li W, Lin A, Xu J, Tanabe G, Muraoka O, Wu X, Xie W. Practical Route to Neokotalanol and Its Natural Analogues: Sulfonium Sugars with Antidiabetic Activities. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201900761] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Yuhao Huang
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal ChemistrySchool of PharmacyChina Pharmaceutical University Nanjing 210009 P. R. China
| | - Yunlong Gao
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal ChemistrySchool of PharmacyChina Pharmaceutical University Nanjing 210009 P. R. China
| | - Weigang He
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal ChemistrySchool of PharmacyChina Pharmaceutical University Nanjing 210009 P. R. China
| | - Zihao Wang
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal ChemistrySchool of PharmacyChina Pharmaceutical University Nanjing 210009 P. R. China
| | - Wei Li
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal ChemistrySchool of PharmacyChina Pharmaceutical University Nanjing 210009 P. R. China
| | - Aijun Lin
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal ChemistrySchool of PharmacyChina Pharmaceutical University Nanjing 210009 P. R. China
| | - Jinyi Xu
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal ChemistrySchool of PharmacyChina Pharmaceutical University Nanjing 210009 P. R. China
| | - Genzoh Tanabe
- Faculty of PharmacyKinki University 3-4-1 Kowakae, Higashi-osaka 577-8502 Osaka Japan
| | - Osamu Muraoka
- Faculty of PharmacyKinki University 3-4-1 Kowakae, Higashi-osaka 577-8502 Osaka Japan
| | - Xiaoming Wu
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal ChemistrySchool of PharmacyChina Pharmaceutical University Nanjing 210009 P. R. China
| | - Weijia Xie
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal ChemistrySchool of PharmacyChina Pharmaceutical University Nanjing 210009 P. R. China
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12
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Liu D, Xie W, Liu L, Xu J, Yao H, Tanabe G, Muraoka O, Wu X. Practical Synthesis of Neoponkoranol and its Related Sulfonium Salt, an Optimised Protocol using Isopropylidene as an Effective Protecting Group. JOURNAL OF CHEMICAL RESEARCH 2019. [DOI: 10.3184/174751913x13823645011477] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Dan Liu
- Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 210009, P.R. China
| | - Weijia Xie
- Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 210009, P.R. China
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, P.R. China
| | - Long Liu
- Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 210009, P.R. China
| | - Jinyi Xu
- Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 210009, P.R. China
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, P.R. China
| | - Hequan Yao
- Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 210009, P.R. China
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, P.R. China
| | - Genzoh Tanabe
- School of Pharmacy, Kinki University, 3-4-1 Kowakae, Higashi-osaka, Osaka 577-8502, Japan
| | - Osamu Muraoka
- School of Pharmacy, Kinki University, 3-4-1 Kowakae, Higashi-osaka, Osaka 577-8502, Japan
| | - Xiaoming Wu
- Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 210009, P.R. China
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, P.R. China
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13
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Liu Z, Ma S. Recent Advances in Synthetic α-Glucosidase Inhibitors. ChemMedChem 2017; 12:819-829. [PMID: 28498640 DOI: 10.1002/cmdc.201700216] [Citation(s) in RCA: 83] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2017] [Revised: 05/08/2017] [Indexed: 11/09/2022]
Affiliation(s)
- Zhiyang Liu
- Department of Medicinal Chemistry; Key Laboratory of Chemical Biology (Ministry of Education); School of Pharmaceutical Sciences; Shandong University; 44 West Culture Road Jinan 250012 P.R. China
| | - Shutao Ma
- Department of Medicinal Chemistry; Key Laboratory of Chemical Biology (Ministry of Education); School of Pharmaceutical Sciences; Shandong University; 44 West Culture Road Jinan 250012 P.R. China
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14
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Bagri P, Chester K, Khan W, Ahmad S. Aspects of extraction and biological evaluation of naturally occurring sugar-mimicking sulfonium-ion and their synthetic analogues as potent α-glucosidase inhibitors from Salacia: a review. RSC Adv 2017. [DOI: 10.1039/c7ra02955a] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
A review of the selective inhibitory activities of sulfonium compounds ofSalaciaagainst intestinal α-glucosidases, structural features important for effective inhibition and the toggling approach for controlling starch digestion and glucose release.
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Affiliation(s)
- Priyanka Bagri
- School of Pharmaceutical Education and Research
- Bioactive Natural Product Laboratory
- Department of Pharmacognosy and Phytochemistry
- Jamia Hamdard
- New Delhi
| | | | - Washim Khan
- School of Pharmaceutical Education and Research
- Bioactive Natural Product Laboratory
- Department of Pharmacognosy and Phytochemistry
- Jamia Hamdard
- New Delhi
| | - Sayeed Ahmad
- School of Pharmaceutical Education and Research
- Bioactive Natural Product Laboratory
- Department of Pharmacognosy and Phytochemistry
- Jamia Hamdard
- New Delhi
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15
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Tanabe G, Xie W, Balakishan G, Amer MFA, Tsutsui N, Takemura H, Nakamura S, Akaki J, Ninomiya K, Morikawa T, Nakanishi I, Muraoka O. Hydrophobic substituents increase the potency of salacinol, a potent α-glucosidase inhibitor from Ayurvedic traditional medicine 'Salacia'. Bioorg Med Chem 2016; 24:3705-15. [PMID: 27325449 DOI: 10.1016/j.bmc.2016.06.013] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2016] [Revised: 06/06/2016] [Accepted: 06/06/2016] [Indexed: 12/13/2022]
Abstract
Using an in silico method, seven analogs bearing hydrophobic substituents (8a: Me, 8b: Et, 8c: n-Pent, 8d: n-Hept, 8e: n-Tridec, 8f: isoBu and 8g: neoPent) at the 3'-O-position in salacinol (1), a highly potent natural α-glucosidase inhibitor from Ayurvedic traditional medicine 'Salacia', were designed and synthesized. In order to verify the computational SAR assessments, their α-glucosidase inhibitory activities were evaluated in vitro. All analogs (8a-8g) exhibited an equal or considerably higher level of inhibitory activity against rat small intestinal α-glucosidases compared with the original sulfonate (1), and were as potent as or higher in potency than the clinically used anti-diabetics, voglibose, acarbose or miglitol. Their activities against human maltase exhibited good relationships to the results obtained with enzymes of rat origin. Among the designed compounds, the one with a 3'-O-neopentyl moiety (8g) was most potent, with an approximately ten fold increase in activity against human maltase compared to 1.
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Affiliation(s)
- Genzoh Tanabe
- Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-osaka, Osaka 577-8502, Japan
| | - Weijia Xie
- Department of Medicinal Chemistry, China Pharmaceutical University, 24 Tongjia Xiang, Nanjing, Jiang su 210009, PR China
| | - Gorre Balakishan
- Department of Organic Chemistry, Telangana University, Nizamabad 503322, Telangana State, India
| | - Mumen F A Amer
- Faculty of Pharmacy, Applied Science Private University, Al Arab St 21, Amman 11931, Jordan
| | - Nozomi Tsutsui
- Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-osaka, Osaka 577-8502, Japan
| | - Haruka Takemura
- Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-osaka, Osaka 577-8502, Japan
| | - Shinya Nakamura
- Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-osaka, Osaka 577-8502, Japan
| | - Junji Akaki
- Pharmaceutical Research and Technology Institute, Kindai University, 3-4-1 Kowakae, Higashi-osaka, Osaka 577-8502, Japan
| | - Kiyofumi Ninomiya
- Pharmaceutical Research and Technology Institute, Kindai University, 3-4-1 Kowakae, Higashi-osaka, Osaka 577-8502, Japan
| | - Toshio Morikawa
- Pharmaceutical Research and Technology Institute, Kindai University, 3-4-1 Kowakae, Higashi-osaka, Osaka 577-8502, Japan
| | - Isao Nakanishi
- Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-osaka, Osaka 577-8502, Japan
| | - Osamu Muraoka
- Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-osaka, Osaka 577-8502, Japan; Pharmaceutical Research and Technology Institute, Kindai University, 3-4-1 Kowakae, Higashi-osaka, Osaka 577-8502, Japan.
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16
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Liu D, He W, Wang Z, Liu L, Wang C, Zhang C, Wang C, Wang Y, Tanabe G, Muraoka O, Wu X, Wu L, Xie W. Design, synthesis and biological evaluation of 3′-benzylated analogs of 3′-epi-neoponkoranol as potent α-glucosidase inhibitors. Eur J Med Chem 2016; 110:224-36. [DOI: 10.1016/j.ejmech.2016.01.029] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2015] [Revised: 01/13/2016] [Accepted: 01/16/2016] [Indexed: 10/22/2022]
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17
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Ecer K, Salamci E. Efficient and shortcut syntheses of some novel eight-membered ring cyclitols starting from cycloocta-1,3-diene. Tetrahedron 2014. [DOI: 10.1016/j.tet.2014.08.060] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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18
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Mohan S, Eskandari R, Pinto BM. Naturally occurring sulfonium-ion glucosidase inhibitors and their derivatives: a promising class of potential antidiabetic agents. Acc Chem Res 2014; 47:211-25. [PMID: 23964564 DOI: 10.1021/ar400132g] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
In humans, four different enzymes mediate the digestion of ingested carbohydrates. First salivary and pancreatic α-amylases, the two endoacting retaining glucosidases, break down the complex starch molecules into smaller linear maltose-oligomers (LM) and branched α-limit dextrins (αLDx). Then two retaining exoglucosidases, maltase-glucoamylase (MGAM) and sucrase-isomaltase (SI), convert those molecules into glucose in the small intestine. The small intestinal brush-border epithelial cells anchor MGAM and SI, and each contains a catalytic N- and C-terminal subunit, ntMGAM, ctMGAM, ntSI, and ctSI, respectively. All four catalytic domains have, to varying extents, α-1,4-exohydrolytic glucosidase activity and belong to the glycoside hydrolase family 31 (GH31). ntSI and ctSI show additional activity toward α-1,6 (isomaltose substrates) and α-1,2 (sucrose) glycosidic linkages, respectively. Because they mediate the final steps of starch digestion, both MGAM and SI are important target enzymes for the treatment of type-2 diabetes. Because of their potent inhibitory activities against the mammalian intestinal α-glucosidases, sulfonium-ion glucosidase inhibitors isolated from the antidiabetic herbal extracts of various Salacia species have received considerable attention recently. Thus far, researchers have isolated eight sulfonium-ion glucosidase inhibitors from Salacia species: salaprinol, salacinol, ponkoranol, kotalanol, and four of their corresponding de-O-sulfonated compounds, the structures of which comprise a 1,4-anhydro-4-thio-d-arabinitol and a polyhydroxylated acyclic side chain. Some of these compounds more strongly inhibit human intestinal α-glucosidases than the currently available antidiabetic drugs, acarbose and miglitol, and could serve as lead candidates in the treatment of type-2 diabetes. In this Account, we summarize progress in the field since 2010 with this class of inhibitors, with particular focus on their selective inhibitory activities against the intestinal glucosidases. Through structure-activity relationship (SAR) studies, we have modified the natural compounds to derive more potent, nanomolar inhibitors of human MGAM and SI. This structural optimization also yielded the most potent inhibitors known to date for each subunit. Furthermore, we observed that some of our synthetic inhibitors selectively blocked the activity of some mucosal α-glucosidases. Those results led to our current working hypothesis that selective inhibitors can dampen the action of a fast digesting subunit or subunits which places the burden of digestion on slower digesting subunits. That strategy can control the rate of starch digestion and glucose release to the body. Decreasing the initial glucose spike after a carbohydrate-rich meal and extending postprandial blood glucose delivery to the body can be desirable for diabetics and patients with other metabolic syndrome-associated diseases.
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Affiliation(s)
- Sankar Mohan
- Department of Chemistry, Simon Fraser University, Burnaby, BC V5A 1S6 Canada
| | - Razieh Eskandari
- Department of Chemistry, Simon Fraser University, Burnaby, BC V5A 1S6 Canada
| | - B. Mario Pinto
- Department of Chemistry, Simon Fraser University, Burnaby, BC V5A 1S6 Canada
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Total synthesis of neokotalanol, a potent α-glucosidase inhibitor isolated from Salacia reticulata. Chin J Nat Med 2013; 11:676-83. [DOI: 10.1016/s1875-5364(13)60079-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2013] [Indexed: 11/17/2022]
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20
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Liu D, Xie W, Liu L, Yao H, Xu J, Tanabe G, Muraoka O, Wu X. Synthetic study on neoponkoranol and its side chain epimer as potent α-glucosidase inhibitors, optimization of protecting group. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2013.09.044] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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21
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Mahmoodi NO, Shoja S, Sharifzadeh B, Rassa M. Regioselective synthesis and antibacterial evaluation of novel bis-pyrimidine derivatives via a three-component reaction. Med Chem Res 2013. [DOI: 10.1007/s00044-013-0731-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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22
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Role of the side chain stereochemistry in the α-glucosidase inhibitory activity of kotalanol, a potent natural α-glucosidase inhibitor. Part 2. Bioorg Med Chem 2012; 20:6321-34. [DOI: 10.1016/j.bmc.2012.09.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2012] [Revised: 09/01/2012] [Accepted: 09/05/2012] [Indexed: 11/22/2022]
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23
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Tanabe G, Nakamura S, Tsutsui N, Balakishan G, Xie W, Tsuchiya S, Akaki J, Morikawa T, Ninomiya K, Nakanishi I, Yoshikawa M, Muraoka O. In silico design, synthesis and evaluation of 3′-O-benzylated analogs of salacinol, a potent α-glucosidase inhibitor isolated from an Ayurvedic traditional medicine “Salacia”. Chem Commun (Camb) 2012; 48:8646-8. [DOI: 10.1039/c2cc34144a] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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24
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Nakamura S, Takahira K, Tanabe G, Muraoka O, Nakanishi I. Homology Modeling of Human Alpha-Glucosidase Catalytic Domains and SAR Study of Salacinol Derivatives. ACTA ACUST UNITED AC 2012. [DOI: 10.4236/ojmc.2012.23007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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25
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Eskandari R, Jones K, Rose DR, Pinto BM. Selectivity of 3′-O-methylponkoranol for inhibition of N- and C-terminal maltase glucoamylase and sucrase isomaltase, potential therapeutics for digestive disorders or their sequelae. Bioorg Med Chem Lett 2011; 21:6491-4. [DOI: 10.1016/j.bmcl.2011.08.069] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2011] [Revised: 08/11/2011] [Accepted: 08/15/2011] [Indexed: 11/24/2022]
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26
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Byeon SR, Park H, Kim H, Hong J. Stereoselective Synthesis of 2,6-trans-Tetrahydropyran via Primary Diamine-Catalyzed Oxa-Conjugate Addition Reaction of α,β-Unsaturated Ketone: Total Synthesis of Psymberin. Org Lett 2011; 13:5816-9. [DOI: 10.1021/ol2024289] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Seong Rim Byeon
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States, and College of Pharmacy, Ajou University, Suwon 443-749, Korea
| | - Heekwang Park
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States, and College of Pharmacy, Ajou University, Suwon 443-749, Korea
| | - Hyoungsu Kim
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States, and College of Pharmacy, Ajou University, Suwon 443-749, Korea
| | - Jiyong Hong
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States, and College of Pharmacy, Ajou University, Suwon 443-749, Korea
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