1
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Affiliation(s)
- Keith P. Reber
- Department of Chemistry, Towson University, Towson, MD 21252, USA
| | - Hannah E. Burdge
- Department of Chemistry, Towson University, Towson, MD 21252, USA
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2
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Sueyoshi K, Kaneda M, Sumimoto S, Oishi S, Fujii N, Suenaga K, Teruya T. Odoamide, a cytotoxic cyclodepsipeptide from the marine cyanobacterium Okeania sp. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.07.031] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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3
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Kaneda M, Sueyoshi K, Teruya T, Ohno H, Fujii N, Oishi S. Total synthesis of odoamide, a novel cyclic depsipeptide, from an Okinawan marine cyanobacterium. Org Biomol Chem 2016; 14:9093-9104. [DOI: 10.1039/c6ob01583b] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Odoamide, a highly potent cytotoxic cyclic depsipeptide was synthesized.
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Affiliation(s)
- Masato Kaneda
- Graduate School of Pharmaceutical Sciences
- Kyoto University
- Sakyo-ku
- Japan
| | | | | | - Hiroaki Ohno
- Graduate School of Pharmaceutical Sciences
- Kyoto University
- Sakyo-ku
- Japan
| | - Nobutaka Fujii
- Graduate School of Pharmaceutical Sciences
- Kyoto University
- Sakyo-ku
- Japan
| | - Shinya Oishi
- Graduate School of Pharmaceutical Sciences
- Kyoto University
- Sakyo-ku
- Japan
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4
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Podlesny EE, Kozlowski MC. Divergent approach to the bisanthraquinone natural products: total synthesis of (S)-bisoranjidiol and derivatives from binaphtho-para-quinones. J Org Chem 2013; 78:466-76. [PMID: 23249414 PMCID: PMC3560291 DOI: 10.1021/jo302364h] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
The development of the first asymmetric synthesis of a chiral anthraquinone dimer is outlined, resulting in the first total synthesis of (S)-bisoranjidiol. Rather than a biomimetic dimerization retrosynthetic disconnection, the anthracenyl ring systems are generated after formation of the axially chiral binaphthalene framework. This synthetic strategy has enabled the synthesis of several analogues. Key features of the synthesis include the enantioselective coupling of a hindered 2-naphthol containing substitution peri to the site of C-C bond formation, the regioselective oxidation of 8,8'-hydroxylated binaphthols to binaphtho-para-quinones, and a tandem regioselective Diels-Alder/aromatization reaction.
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Affiliation(s)
- Erin E. Podlesny
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323
| | - Marisa C. Kozlowski
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323
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5
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Asymmetric construction of all-carbon quaternary stereocenters by chiral-auxiliary-mediated Claisen rearrangement and total synthesis of (+)-bakuchiol. Molecules 2012; 17:13330-44. [PMID: 23138536 PMCID: PMC6268616 DOI: 10.3390/molecules171113330] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2012] [Revised: 10/23/2012] [Accepted: 11/02/2012] [Indexed: 12/02/2022] Open
Abstract
An asymmetric Claisen rearrangement using Oppolzer’s camphorsultam was developed. Under thermal conditions, a geraniol-derived substrate underwent the rearrangement with good stereoselectivity. The absolute configuration of the newly formed all-carbon quaternary stereocenter was confirmed by the total synthesis of (+)-bakuchiol from the rearrangement product.
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6
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Podlesny EE, Kozlowski MC. Enantioselective total synthesis of (S)-bisoranjidiol, an axially chiral bisanthraquinone. Org Lett 2012; 14:1408-11. [PMID: 22360604 DOI: 10.1021/ol3001365] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The first enantioselective total synthesis of the bisanthraquinone (S)-bisoranjidiol and an unnatural regioisomer has been accomplished. Key features of the synthesis include the asymmetric oxidative biaryl coupling of a hindered 8-substituted 2-naphthol, selective para-quinone formation, and regioselective tandem Diels-Alder/aromatization reactions.
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Affiliation(s)
- Erin E Podlesny
- Department of Chemistry, Roy and Diana Vagelos Laboratories, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
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7
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Highly regio- and chemoselective palladium(0)-mediated allylic substitution of difunctional allylic halides with phenols. Tetrahedron Lett 2010. [DOI: 10.1016/j.tetlet.2010.09.125] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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8
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Salvador González A, Gómez Arrayás R, Rodríguez Rivero M, Carretero JC. Catalytic asymmetric vinylogous mannich reaction of N-(2-thienyl)sulfonylimines. Org Lett 2008; 10:4335-7. [PMID: 18778078 DOI: 10.1021/ol8019082] [Citation(s) in RCA: 86] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Both cyclic and acyclic silyl dienol ethers participate efficiently in the asymmetric vinylogous Mannich reaction of N-2-thienylsulfonylimines catalyzed by copper(I) complexes of Fesulphos ligands. This procedure displays wide imine and nucleophile versatility, high enantiocontrol, and complete gamma-regioselectivity in most cases examined. The mild sulfonamide deprotection allows the resulting products to be readily transformed into optically active delta-lactams or 5-hydroxy-2-piperidone derivatives.
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Affiliation(s)
- Alvaro Salvador González
- Departamento de Química Orgánica, Facultad de Ciencias, Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid, Spain
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Chang YF, Liu CY, Guo CW, Wang YC, Fang JM, Cheng WC. Solid-Phase Organic Synthesis of Polyisoprenoid Alcohols with Traceless Sulfone Linker. J Org Chem 2008; 73:7197-203. [DOI: 10.1021/jo8010182] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yi-Fan Chang
- The Genomics Research Center, Academia Sinica, Nankang, Taipei, 115, Taiwan, and Department of Chemistry, National Taiwan University, Taipei 106, Taiwan
| | - Chen-Yu Liu
- The Genomics Research Center, Academia Sinica, Nankang, Taipei, 115, Taiwan, and Department of Chemistry, National Taiwan University, Taipei 106, Taiwan
| | - Chih-Wei Guo
- The Genomics Research Center, Academia Sinica, Nankang, Taipei, 115, Taiwan, and Department of Chemistry, National Taiwan University, Taipei 106, Taiwan
| | - Yen-Chih Wang
- The Genomics Research Center, Academia Sinica, Nankang, Taipei, 115, Taiwan, and Department of Chemistry, National Taiwan University, Taipei 106, Taiwan
| | - Jim-Min Fang
- The Genomics Research Center, Academia Sinica, Nankang, Taipei, 115, Taiwan, and Department of Chemistry, National Taiwan University, Taipei 106, Taiwan
| | - Wei-Chieh Cheng
- The Genomics Research Center, Academia Sinica, Nankang, Taipei, 115, Taiwan, and Department of Chemistry, National Taiwan University, Taipei 106, Taiwan
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10
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Krapcho AP. USES OF SODIUM CHLORITE AND SODIUM BROMATE IN ORGANIC SYNTHESIS. A REVIEW. ORG PREP PROCED INT 2006. [DOI: 10.1080/00304940609355988] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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