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Kim S, Oiler J, Xing Y, O'Doherty GA. De novo asymmetric Achmatowicz approach to oligosaccharide natural products. Chem Commun (Camb) 2022; 58:12913-12926. [PMID: 36321854 PMCID: PMC9710213 DOI: 10.1039/d2cc05280f] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/30/2023]
Abstract
The development and application of the asymmetric synthesis of oligosaccharides from achiral starting materials is reviewed. This de novo asymmetric approach centers around the use of asymmetric catalysis for the synthesis of optically pure furan alcohols in conjunction with Achmatowicz oxidative rearrangement for the synthesis of various pyranones. In addition, the use of a diastereoselective palladium-catalyzed glycosylation and subsequent diastereoselective post-glycosylation transformation was used for the synthesis of oligosaccharides. The application of this approach to oligosaccharide synthesis is discussed.
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Affiliation(s)
- Sugyeom Kim
- Department of Chemistry and Chemical Biology, Northeastern University, Boston, MA, 02115, USA.
| | - Jeremy Oiler
- Department of Chemistry, William Paterson University, Wayne, NJ, 07470, USA
| | - Yalan Xing
- Department of Chemistry, Hofstra University, Hempstead, NY, 11549, USA.
| | - George A O'Doherty
- Department of Chemistry and Chemical Biology, Northeastern University, Boston, MA, 02115, USA.
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2
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Slow glycosylation: Activation of trichloroacetimidates under mild conditions using lithium salts and the role of counterions. Carbohydr Res 2022; 511:108497. [DOI: 10.1016/j.carres.2021.108497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 12/01/2021] [Accepted: 12/28/2021] [Indexed: 11/19/2022]
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Zhao H, Wei Z, Jiang Z, Li S, Liao Y, Guo Y, Tang Y, Chen W, Zhong G, Song G. Design, Synthesis and Structure-Activity Relationship of Novel Aphicidal Mezzettiaside-Type Oligorhamnosides and Their Analogues. Molecules 2017; 23:E41. [PMID: 29278356 PMCID: PMC5943941 DOI: 10.3390/molecules23010041] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Revised: 12/16/2017] [Accepted: 12/22/2017] [Indexed: 11/17/2022] Open
Abstract
Oligosaccharides have been used for an environmentally friendly insect control in the agricultural industry. In order to discover novel eco-friendly pesticides, a series of partially acetylated oligorhamnoses mezzettiasides, 2-8, and their analogues, 9-14, with biosurfactant characteristics were designed and synthesized, some of which exhibited comparable to or even stronger aphicidal activity than pymetrozine. Preliminary SAR studies demonstrated that the aphicidal activity of mezzettiasides analogs is highly dependent on their structures, including both the sugar length and the substitutes on the sugar. Among them, trirhamnolipid 9 displayed the strongest aphicidal activity, with an LC50 of 0.019 mmol/L, indicating that the biosurfactant 9 may have potential for use as an environmentally friendly agricultural pesticide.
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Affiliation(s)
- Hui Zhao
- College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China.
| | - Zhuwen Wei
- College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China.
| | - Zhiyan Jiang
- Key Laboratory of Crop Integrated Pest Management in South China, Ministry of Agriculture, Guangzhou 510642, China.
- Lab of Insect Toxicology, South China Agricultural University, Guangzhou 510642, China.
| | - Sumei Li
- Department of Human anatomy, School of Medicine, Jinan University, Guangzhou 510632, China.
| | - Yixian Liao
- College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China.
| | - Yiming Guo
- College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China.
| | - Yongmei Tang
- College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China.
| | - Weihao Chen
- College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China.
| | - Guohua Zhong
- Key Laboratory of Crop Integrated Pest Management in South China, Ministry of Agriculture, Guangzhou 510642, China.
- Lab of Insect Toxicology, South China Agricultural University, Guangzhou 510642, China.
| | - Gaopeng Song
- College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China.
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Tjeck OP, Souza A, Mickala P, Lepengue AN, M’Batchi B. Bio-efficacy of medicinal plants used for the management of diabetes mellitus in Gabon: An ethnopharmacological approach. JOURNAL OF COMPLEMENTARY MEDICINE RESEARCH 2017; 6:206-217. [PMID: 28512602 PMCID: PMC5429081 DOI: 10.5455/jice.20170414055506] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Accepted: 03/21/2017] [Indexed: 12/14/2022]
Abstract
BACKGROUND/AIM People suffering of diabetes increased significantly worldwide. Population, in Sub-Saharan Africa and mainly in Gabon, rely on medicinal plants to manage diabetes, as well in rural as in urban areas. This study aimed to survey a wide range of Gabonese plants for their antidiabetic activity. MATERIALS AND METHODS This study focused on the identification of medicinal plants used in the local treatment of diabetes mellitus. Ethnobotanical investigations were carried out in rural and urban areas of three provinces of Gabon using a semi-structured interview. RESULTS About 50 plant species belonging to 31 families and 50 genera were recorded, a majority of which have been documented previously to have medicinal properties. Most have documented antidiabetic properties with characterized therapeutic chemical compounds. Of the plant parts used for treatment, stem barks were employed most frequently (50%), followed by leaves (26%); the remaining 24% comprised roots, fibers, fruit, bulbs, flowers, rhizom, skin, and stem. Regarding the mode of preparation, decoction was the most widely used (58%), followed by maceration (18%) and infusion (14%). Almost all the plant products were administered orally (98%). CONCLUSIONS Taken in concert, this study highlights the possibility of exploiting traditional knowledge of specific medicinal plants for the inexpensive treatment and management of diabetes.
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Affiliation(s)
- Olga Pauline Tjeck
- Department of Biology, Faculty of Sciences, University of Sciences and Techniques of Masuku, Franceville, Gabon
| | - Alain Souza
- Department of Biology, Faculty of Sciences, University of Sciences and Techniques of Masuku, Franceville, Gabon
| | - Patrick Mickala
- Department of Biology, Faculty of Sciences, University of Sciences and Techniques of Masuku, Franceville, Gabon
| | - Alexis Nicaise Lepengue
- Department of Biology, Faculty of Sciences, University of Sciences and Techniques of Masuku, Franceville, Gabon
| | - Bertrand M’Batchi
- Department of Biology, Faculty of Sciences, University of Sciences and Techniques of Masuku, Franceville, Gabon
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5
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Song G, Li S, Lei Z, Li Y, Li J, Liao Y, Cui ZN. Synthesis and biological evaluation of acylated oligorhamnoside derivatives structurally related to mezzettiaside-6 with cytotoxic activity. Org Biomol Chem 2016; 14:6691-702. [DOI: 10.1039/c6ob00862c] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Two partially acylated oligorhamnoside derivatives 1 and 2 structurally related to the natural product mezzettiaside-6 were synthesized via a ‘2 + 1 + 1’ convergent strategy.
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Affiliation(s)
- Gaopeng Song
- College of Materials and Energy
- South China Agricultural University
- Guangzhou
- China
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources
| | - Sumei Li
- Department of Human anatomy
- School of Medicine
- Jinan University
- Guangzhou
- China
| | - Zhiwei Lei
- Guizhou Tea Reasearch Institute
- Guizhou Academy of Agricultural Science
- Guiyang
- China
| | - Yibin Li
- College of Materials and Energy
- South China Agricultural University
- Guangzhou
- China
| | - Junhua Li
- College of Materials and Energy
- South China Agricultural University
- Guangzhou
- China
| | - Yixian Liao
- College of Materials and Energy
- South China Agricultural University
- Guangzhou
- China
| | - Zi-Ning Cui
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources
- Integrative Microbiology Research Centre
- Guangdong Province Key Laboratory of Microbial Signals and Disease Control
- South China Agricultural University
- Guangzhou
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6
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Yu Y, Chen M. A Protocol for the Synthesis of C8-16Alkyl 2,3-Isopropylidene-α-L-Rhamnosides. J Carbohydr Chem 2014. [DOI: 10.1080/07328303.2014.958159] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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7
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Shi P, Silva MC, Wang HYL, Wu B, Akhmedov NG, Li M, Beuning PJ, O’Doherty GA. Structure Activity Relationship Study of the Cleistriosides and Cleistetrosides for Antibacterial/Anticancer Activity. ACS Med Chem Lett 2012; 3:1086-1090. [PMID: 23543830 DOI: 10.1021/ml300303g] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Two known cleistriosides and six known cleistetrosides were synthesized and evaluated for anticancer and antibacterial activity. This study, for the first time, reports anticancer activity and comprehensively the antibacterial activity for these oligosaccharide natural products. In addition, two new unnatural cleistetroside analogues were synthesized and tested. Biological activities for the ten oligosaccharides against B. subtilis were found to range between 4 and >64 µM, and for NCI-H460 human lung cancer epithelial cells between 7.5 and 90.9 µM. Similar activities were found for seven of the oligosaccharides against the NCI panel of 60 cell lines. The degree of acylation and location of the specific acetate groups had significant effects on the anticancer and antibacterial activity of both the cleistriosides and cleistetrosides.
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Affiliation(s)
- Pei Shi
- Department of Chemistry and
Chemical Biology, Northeastern University, Boston, Massachusetts 02115, United States
| | - Michelle C. Silva
- Department of Chemistry and
Chemical Biology, Northeastern University, Boston, Massachusetts 02115, United States
| | - Hua-Yu Leo Wang
- Department of Chemistry and
Chemical Biology, Northeastern University, Boston, Massachusetts 02115, United States
| | - Bulan Wu
- Department of Chemistry, West Virginia University, Morgantown, West Virginia
26506, United States
| | - Novruz G. Akhmedov
- Department of Chemistry, West Virginia University, Morgantown, West Virginia
26506, United States
| | - Miaosheng Li
- Protea Biosciences, Morgantown, West Virginia 26507,
United States
| | - Penny J. Beuning
- Department of Chemistry and
Chemical Biology, Northeastern University, Boston, Massachusetts 02115, United States
| | - George A. O’Doherty
- Department of Chemistry and
Chemical Biology, Northeastern University, Boston, Massachusetts 02115, United States
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8
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Ding N, Zhang Z, Zhang W, Chun Y, Wang P, Qi H, Wang S, Li Y. Synthesis and antibacterial evaluation of a series of oligorhamnoside derivatives. Carbohydr Res 2011; 346:2126-35. [DOI: 10.1016/j.carres.2011.07.028] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2011] [Revised: 07/29/2011] [Accepted: 07/31/2011] [Indexed: 10/17/2022]
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9
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Liu Q, Li W, Guo T, Li D, Fan Z, Yan S. Efficient Synthesis of a Bisglycosyl Kaempferol fromFagonia taeckholmiana. CHEM LETT 2011. [DOI: 10.1246/cl.2011.324] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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10
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Wu B, Li M, O'Doherty GA. Synthesis of several cleistrioside and cleistetroside natural products via a divergent de novo asymmetric approach. Org Lett 2010; 12:5466-9. [PMID: 21038879 DOI: 10.1021/ol1023344] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The de novo asymmetric syntheses of several partially acylated dodecanyl tri- and tetra-rhamnoside natural products (cleistriosides-5 and 6 and cleistetrosides-2 to 7) have been achieved (19-24 steps). The divergent route requires the use of three or less protecting groups. The asymmetry was derived via Noyori reduction of an acylfuran. The rhamno-stereochemistry was installed by a diastereoselective palladium-catalyzed glycosylation, ketone reduction and dihydroxylation.
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Affiliation(s)
- Bulan Wu
- Department of Chemistry, West Virginia University, Morgantown, West Virginia 26506, USA
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11
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Song G, Liu H, Zhang W, Geng M, Li Y. Synthesis and biological evaluation of cytotoxic activity of novel anthracene L-rhamnopyranosides. Bioorg Med Chem 2010; 18:5183-93. [PMID: 20561793 DOI: 10.1016/j.bmc.2010.05.064] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2010] [Revised: 05/21/2010] [Accepted: 05/22/2010] [Indexed: 11/25/2022]
Abstract
A series of anthracene L-rhamnopyranosides were designed and synthesized in a practical way and their cytotoxic activity was examined in vitro. Most compounds exhibited both potent cytotoxicity against several tumor cell lines and high DNA binding capacity. The preliminary results showed that subtle modifications of rhamnosyl moiety in anthracene rhamnosides with acetyl group had a selective toxicity for different tumor cells and the displacement of C-10 carbonyl group in emodin by acetylmethylene group was helpful to improve the inhibitory activity. Lipophilicity of the anthracene glycosides was not a crucial factor for cytotoxicity and most molecules with good cytotoxicity could inhibit the catalytic activity of Top2alpha.
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Affiliation(s)
- Gaopeng Song
- College of Resources and Environment, South China Agricultural University, Guangzhou 510642, China
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12
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Affiliation(s)
- Feng Cai
- Department of Chemistry, Wayne State University, Detroit, MI 48202, USA
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13
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Liu Q, Wang P, Zhang L, Guo T, Lv G, Li Y. Concise synthesis of two natural triterpenoid saponins, oleanolic acid derivatives isolated from the roots of Pulsatilla chinensis. Carbohydr Res 2009; 344:1276-81. [PMID: 19524216 DOI: 10.1016/j.carres.2009.05.011] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2009] [Revised: 05/11/2009] [Accepted: 05/12/2009] [Indexed: 11/29/2022]
Abstract
The first synthesis of two natural triterpenoid saponins, which were isolated from the roots of Pulsatilla chinensis and exhibited excellent in vitro cytotoxic activity against HL-60 cells, was concisely achieved in a convergent approach. We employed an odourless 2-methyl-5-tert-butylphenyl (Mbp) thioglycoside and trichloroacetimidate donors in one-pot reaction as a key step.
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Affiliation(s)
- Qingchao Liu
- Key Laboratory of Marine Drugs, The Ministry of Education of China, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
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Guo T, Liu Q, Wang P, Zhang L, Zhang W, Li Y. Facile synthesis of three bidesmosidic oleanolic acid saponins with strong inhibitory activity on pancreatic lipase. Carbohydr Res 2009; 344:1167-74. [PMID: 19463989 DOI: 10.1016/j.carres.2009.04.024] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2009] [Revised: 04/13/2009] [Accepted: 04/21/2009] [Indexed: 10/20/2022]
Abstract
The first synthesis of scabiosaponins E (1), F (2), and G (3), three new oleanolic acid saponins with strong inhibitory activity on pancreatic lipase isolated from the Chinese traditional medicinal herb Scabiosa tschiliensis, was efficiently achieved in an one-pot strategy under the combined use of glycosyl trichloroacetimidates and p-toluene 1-thioglycosides (STol) as donors.
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Affiliation(s)
- Tiantian Guo
- Key Laboratory of Marine Drugs, The Ministry of Education of China, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
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15
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SONG GP, WANG P, ZHANG ZH, SHI DK, LI YX. Synthesis of 2′,3′-Di-O-acetylfrangulin A and Prinoidin, Two Novel AnthraceneL-Rhamnopyranosides Isolated fromRhamnus nepalensis. CHINESE J CHEM 2008. [DOI: 10.1002/cjoc.200890310] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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16
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Cheng L, Chen Q, Du Y. Facile synthesis of cleistetroside-2, a partially acetylated oligorhamnoside from Cleistopholis glauca and patens. Carbohydr Res 2007; 342:1496-501. [PMID: 17555732 DOI: 10.1016/j.carres.2007.05.019] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2007] [Revised: 05/05/2007] [Accepted: 05/09/2007] [Indexed: 11/23/2022]
Abstract
A tetrasaccharide, dodecanyl 4-O-acetyl-alpha-l-rhamnopyranosyl-(1-->3)-2,4-di-O-acetyl-alpha-l-rhamnopyranosyl-(1-->3)-4-O-acetyl-alpha-l-rhamnopyranosyl-(1-->4)-alpha-l-rhamnopyranoside (cleistetroside-2), was synthesized via '2+2' convergent strategy. Sequential regioselective 3-O-glycosylation of isopropyl 1-thio-alpha-l-rhamnopyranoside (4) with 4-O-acetyl-2,3-O-isopropylidene-alpha-l-rhamnopyranosyl trichloroacetimidate (8), and isopropyl 4-O-acetyl-2,3-O-isopropylidene-alpha-l-rhamnopyranosyl-(1-->3)-2,4-di-O-acetyl-alpha-l-1-thio-rhamnopyranoside (10) with dodecanyl 4-O-acetyl-alpha-l-rhamnopyranosyl-(1-->4)-2,3-O-isopropylidene-alpha-l-rhamnopyranoside (12), greatly facilitate the target availability.
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Affiliation(s)
- Lijian Cheng
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
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