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Pramanik A, Ghatak A, Khanra S, Das D, Rakshit T, Bhar S. Metal Free Approach towards the Synthesis of Structurally Diverse 1, 2‐Dihydronaphthalene Scaffolds and Theoretical Investigation. ChemistrySelect 2022. [DOI: 10.1002/slct.202201159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Amit Pramanik
- Department of Chemistry A. B. N. Seal College Cooch Behar Pin-736 101 West Bengal India
| | - Avishek Ghatak
- Department of Chemistry Dr. A. P. J. Abdul Kalam Government College Kolkata 700156 India
| | - Somnath Khanra
- Department of Chemistry A. B. N. Seal College Cooch Behar Pin-736 101 West Bengal India
- Department of Chemistry The University of Burdwan Bardhaman 713104 West Bengal India
| | - Debasis Das
- Department of Chemistry The University of Burdwan Bardhaman 713104 West Bengal India
| | - Tatini Rakshit
- Department of Chemistry School of Natural Sciences Shiv Nadar University Dadri UP 201314 India
| | - Sanjay Bhar
- Department of Chemistry Organic Chemistry Section Jadavpur University Kolkata 700 032 India
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Bioactive Compounds from Medicinal Plants in Myanmar. PROGRESS IN THE CHEMISTRY OF ORGANIC NATURAL PRODUCTS 2021; 114:135-251. [PMID: 33792861 DOI: 10.1007/978-3-030-59444-2_2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Myanmar is a country with rich natural resources and of these, medicinal plants play a vital role in the primary health care of its population. The people of Myanmar have used their own system of traditional medicine inclusive of the use of medicinal plants for 2000 years. However, systematic and scientific studies have only recently begun to be reported. Researchers from Japan, Germany, and Korea have collaborated with researchers in Myanmar on medicinal plants since 2000. During the past two decades, over 50 publications have been published in peer-reviewed journals. Altogether, 433 phytoconstituents, including 147 new and 286 known compounds from 26 plant species consisting of 29 samples native to Myanmar, have been collated. In this contribution, phytochemical and biological investigations of these plants, including information on traditional knowledge are compiled and discussed.
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Amiri Moghaddam J, Dávila-Céspedes A, Kehraus S, Crüsemann M, Köse M, Müller CE, König GM. Cyclopropane-Containing Fatty Acids from the Marine Bacterium Labrenzia sp. 011 with Antimicrobial and GPR84 Activity. Mar Drugs 2018; 16:md16100369. [PMID: 30297608 PMCID: PMC6213206 DOI: 10.3390/md16100369] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Revised: 10/01/2018] [Accepted: 10/03/2018] [Indexed: 11/23/2022] Open
Abstract
Bacteria of the family Rhodobacteraceae are widespread in marine environments and known to colonize surfaces, such as those of e.g., oysters and shells. The marine bacterium Labrenzia sp. 011 is here investigated and it was found to produce two cyclopropane-containing medium-chain fatty acids (1, 2), which inhibit the growth of a range of bacteria and fungi, most effectively that of a causative agent of Roseovarius oyster disease (ROD), Pseudoroseovarius crassostreae DSM 16950. Additionally, compound 2 acts as a potent partial, β-arrestin-biased agonist at the medium-chain fatty acid-activated orphan G-protein coupled receptor GPR84, which is highly expressed on immune cells. The genome of Labrenzia sp. 011 was sequenced and bioinformatically compared with those of other Labrenzia spp. This analysis revealed several cyclopropane fatty acid synthases (CFAS) conserved in all Labrenzia strains analyzed and a putative gene cluster encoding for two distinct CFASs is proposed as the biosynthetic origin of 1 and 2.
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Affiliation(s)
| | | | - Stefan Kehraus
- Institute for Pharmaceutical Biology, University of Bonn, Nussallee 6, 53115 Bonn, Germany.
| | - Max Crüsemann
- Institute for Pharmaceutical Biology, University of Bonn, Nussallee 6, 53115 Bonn, Germany.
| | - Meryem Köse
- Pharmaceutical Institute, Pharmaceutical Chemistry I, An der Immenburg 4, D-53121 Bonn, Germany.
| | - Christa E Müller
- Pharmaceutical Institute, Pharmaceutical Chemistry I, An der Immenburg 4, D-53121 Bonn, Germany.
| | - Gabriele Maria König
- Institute for Pharmaceutical Biology, University of Bonn, Nussallee 6, 53115 Bonn, Germany.
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Khan S, Roy S, Roy R, Ghatak A, Pramanik A, Bhar S. Cyanuric chloride–dimethylformamide mediated cleavage of cyclopropylcarbinols-synthesis of phenolic antioxidant and construction of a new vinylcyclopropane skeleton. Tetrahedron Lett 2014. [DOI: 10.1016/j.tetlet.2014.07.053] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Kumar P, Dubey A, Harbindu A. Enantio- and diastereocontrolled conversion of chiral epoxides to trans-cyclopropane carboxylates: application to the synthesis of cascarillic acid, grenadamide and L-(-)-CCG-II. Org Biomol Chem 2012; 10:6987-94. [PMID: 22832742 DOI: 10.1039/c2ob25622c] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient high yielding improved method for the enantio- and diastereoselective cyclopropanation of chiral epoxides using triethylphosphonoacetate and base (Wadsworth-Emmons cyclopropanation) is reported. The utility of this protocol is illustrated by concise and practical synthesis of cascarillic acid, grenadamide and L-(-)-CCG-II, a cyclopropane containing natural products.
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Affiliation(s)
- Pradeep Kumar
- Division of Organic Chemistry, National Chemical Laboratory, Pune 411008, India.
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Xu X, Xie H, Xu L, Wei X. A novel cyclopropyl-containing fatty acid glucoside from the seeds of Litchi chinensis. Fitoterapia 2011; 82:485-8. [PMID: 21238546 DOI: 10.1016/j.fitote.2011.01.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2010] [Revised: 12/30/2010] [Accepted: 01/05/2011] [Indexed: 01/16/2023]
Abstract
3,12-Dihydroxy-cis-3,4-methylenedodecanoic acid 3-O-β-d-glucopyranoside, trivially named litchioside C (1), the first cyclopropyl-containing fatty acid glycoside, was isolated along with three previously uncharacterized galactosylacylglycerols from the seeds of Litchi chinensis. Its structure was established on the basis of spectroscopic analysis including HRESIMS and 2D NMR spectra. Its antioxidant and antibacterial activities were evaluated and its biogenetic pathway was discussed.
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Affiliation(s)
- Xinya Xu
- Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Tianhe District, Guangzhou, PR China
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den Hartog T, Rudolph A, Maciá B, Minnaard AJ, Feringa BL. Copper-Catalyzed Enantioselective Synthesis of trans-1-Alkyl-2-substituted Cyclopropanes via Tandem Conjugate Addition−Intramolecular Enolate Trapping. J Am Chem Soc 2010; 132:14349-51. [DOI: 10.1021/ja105704m] [Citation(s) in RCA: 65] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Tim den Hartog
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Alena Rudolph
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Beatriz Maciá
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Adriaan J. Minnaard
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Ben L. Feringa
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
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Hyun Kim K, Keun Ha S, Yeou Kim S, Joo Youn H, Ro Lee K. Constituents of Limonia acidissima inhibit LPS-induced nitric oxide production in BV-2 microglia. J Enzyme Inhib Med Chem 2010; 25:887-92. [DOI: 10.3109/14756360903514156] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Ki Hyun Kim
- Natural Products Laboratory, School of Pharmacy, Sungkyunkwan University, Suwon 440-746, Korea
| | - Sang Keun Ha
- Graduate School of East-West Medical Science, Kyung Hee University, #1 Seocheon-dong, Gihung-gu, Yongin-city, Gyeonggi-do 446-701, Korea
| | - Sun Yeou Kim
- Graduate School of East-West Medical Science, Kyung Hee University, #1 Seocheon-dong, Gihung-gu, Yongin-city, Gyeonggi-do 446-701, Korea
- East-West Integrated Medical Science Rearch Center, Kyung Hee University, #1 Seocheon-dong, Giheung-gu, Yongin-city, Gyeonggi-do 446-701, Korea
| | - Hyun Joo Youn
- School of Biological Sciences and Bio-health Products Research Center, Inje University, Gimhae, 621-749, Korea
| | - Kang Ro Lee
- Natural Products Laboratory, School of Pharmacy, Sungkyunkwan University, Suwon 440-746, Korea
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Cheeseman M, Davies IR, Axe P, Johnson AL, Bull SD. A temporary stereocentre approach for the asymmetric synthesis of chiral cyclopropane-carboxaldehydes. Org Biomol Chem 2009; 7:3537-48. [PMID: 19675911 DOI: 10.1039/b908600e] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
- Matt Cheeseman
- Department of Chemistry, University of Bath, Bath, UK BA2 7AY
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Sequential cross-metathesis/cyclopropanation: short syntheses of (+/−)-cascarillic acid and (+/−)-grenadamide. Tetrahedron Lett 2007. [DOI: 10.1016/j.tetlet.2007.01.152] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Roberts IO, Baird MS. A new short synthesis of 10R-tuberculostearic acid and its enantiomer. Chem Phys Lipids 2006; 142:111-7. [PMID: 16690044 DOI: 10.1016/j.chemphyslip.2006.03.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2005] [Revised: 03/11/2006] [Accepted: 03/16/2006] [Indexed: 11/21/2022]
Abstract
Tuberculostearic acid (10R-methyloctadecanoic acid) and its 10S-enantiomer were synthesised by a chiral pool strategy, in four steps from citronellyl bromide.
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Affiliation(s)
- Ieuan O Roberts
- Department of Chemistry, University of Wales, Bangor, Gwynedd, Wales LL57 2UW, UK
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