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Liu S, Su X, Jiang D, Xiong H, Miao D, Fu L, Qiu H, He L, Zhang M. Arylation of Cyclopropanol with Pyrrole: Asymmetric Synthesis of Indolizidine 167B, Indolizidine 209D, and Monomorine I. Org Lett 2023; 25:2058-2062. [PMID: 36930849 DOI: 10.1021/acs.orglett.3c00406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2023]
Abstract
A Fe(NO3)3-mediated ring-opening arylation of cyclopropanol with the electron-rich pyrrole has been developed, which might proceed through oxidative radical ring opening of cyclopropanol followed by cyclization to the pyrrole motif and then aromatization. This method enables direct arylation of cyclopropanol without prefunctionalization and thus allows rapid access to a diverse array of chiral 5,6,7,8-tetrahydroindolizines from easily available chiral amino acid esters. The synthetic utility has been demonstrated by the asymmetric synthesis of alklaoids (-)-indolizidine 167B, (+)-indolizidine 209D, (+)-monomorine I, and a natural product analogue.
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Affiliation(s)
- Shuangwei Liu
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
| | - Xiaojiao Su
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
| | - Dan Jiang
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
| | - Hongbing Xiong
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
| | - Dingyin Miao
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
| | - Lin Fu
- Central Nervous System Drug Key Laboratory of Sichuan Province, Luzhou, Sichuan 646000, China
| | - Hanyue Qiu
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China.,Central Nervous System Drug Key Laboratory of Sichuan Province, Luzhou, Sichuan 646000, China
| | - Ling He
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
| | - Min Zhang
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China.,Key Laboratory of Prevention and Treatment of Cardiovascular and Cerebrovascular Diseases, Ministry of Education, Gannan Medical University, Ganzhou 341000, China
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Corrêa BAAP, Sena VMAD, Matsushita RH, Citeli NK. Report of envenomation in humans by handling a dyeing poison frog Dendrobates tinctorius (SCHNEIDER, 1799) (Anura: Dendrobatidae) in the Amazon, Brazil. Rev Soc Bras Med Trop 2020; 54:e04612020. [PMID: 33338114 PMCID: PMC7747814 DOI: 10.1590/0037-8682-0461-2020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 08/03/2020] [Indexed: 11/30/2022] Open
Abstract
We report a case of envenomation by Dendrobates tinctorius in
the northwest of the Amazon Forest. The patients were two men, who presented
with numbness in the right arm and slight numbness in the lower lip,
respectively. Dendrobates tinctorius secretions contain
pumiliotoxin, one of several toxins found in the dendrobatidis skin, which
interferes with muscle contraction and causes locomotor difficulties. Although
Dendrobatidae is a family of anurans known for their venom, few studies describe
the symptoms of envenomation in humans.
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Chen Y, He Y, Zhang S, Miao T, Fan Q. Rapid Construction of Structurally Diverse Quinolizidines, Indolizidines, and Their Analogues via Ruthenium‐Catalyzed Asymmetric Cascade Hydrogenation/Reductive Amination. Angew Chem Int Ed Engl 2019; 58:3809-3813. [DOI: 10.1002/anie.201812647] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2018] [Indexed: 11/06/2022]
Affiliation(s)
- Ya Chen
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences (ICCAS)University of Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Yan‐Mei He
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences (ICCAS)University of Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Shanshan Zhang
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences (ICCAS)University of Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Tingting Miao
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences (ICCAS)University of Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Qing‐Hua Fan
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences (ICCAS)University of Chinese Academy of Sciences Beijing 100190 P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering Tianjin 300072 P. R. China
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Chen Y, He Y, Zhang S, Miao T, Fan Q. Rapid Construction of Structurally Diverse Quinolizidines, Indolizidines, and Their Analogues via Ruthenium‐Catalyzed Asymmetric Cascade Hydrogenation/Reductive Amination. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201812647] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Ya Chen
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences (ICCAS)University of Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Yan‐Mei He
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences (ICCAS)University of Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Shanshan Zhang
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences (ICCAS)University of Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Tingting Miao
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences (ICCAS)University of Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Qing‐Hua Fan
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences (ICCAS)University of Chinese Academy of Sciences Beijing 100190 P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering Tianjin 300072 P. R. China
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Yang ZP, Wu QF, Shao W, You SL. Iridium-Catalyzed Intramolecular Asymmetric Allylic Dearomatization Reaction of Pyridines, Pyrazines, Quinolines, and Isoquinolines. J Am Chem Soc 2015; 137:15899-906. [PMID: 26605697 DOI: 10.1021/jacs.5b10440] [Citation(s) in RCA: 113] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The first Ir-catalyzed intramolecular asymmetric allylic dearomatization reaction of pyridines, pyrazines, quinolines, and isoquinolines has been developed. Enabled by in situ formed chiral Ir-catalyst, the dearomatized products were isolated in high levels of yield (up to 99% yield) and enantioselectivity (up to 99% ee). It is worth noting that the Me-THQphos ligand is much more efficient than other tested ligands for the dearomatization of pyrazines and certain quinolines. Mechanistic studies of the dearomatization reaction were carried out, and the results suggest the feasibility of an alternative process which features the formation of a quinolinium as the key intermediate. The mechanistic findings render this reaction a yet unknown type in the chemistry of Reissert-type reactions. In addition, the utility of this method was showcased by a large-scale reaction and formal synthesis of (+)-gephyrotoxin.
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Affiliation(s)
- Ze-Peng Yang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences , 345 Lingling Lu, Shanghai 200032, China
| | - Qing-Feng Wu
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences , 345 Lingling Lu, Shanghai 200032, China
| | - Wen Shao
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences , 345 Lingling Lu, Shanghai 200032, China
| | - Shu-Li You
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences , 345 Lingling Lu, Shanghai 200032, China
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Yu RT, Lee EE, Malik G, Rovis T. Total synthesis of indolizidine alkaloid (-)-209D: overriding substrate bias in the asymmetric rhodium-catalyzed [2+2+2] cycloaddition. Angew Chem Int Ed Engl 2009; 48:2379-82. [PMID: 19229912 DOI: 10.1002/anie.200805455] [Citation(s) in RCA: 85] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
CO! You had me at hello: The use of chiral biphenyl-based phosphoramidite ligands on rhodium provides an efficient [2+2+2] cycloaddition between terminal alkyl alkynes and alkenyl isocyanates (see scheme). The cycloaddition proceeds through a CO migration pathway, and facilitates a rapid four-step asymmetric synthesis of indolizidine (-)-209D.
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Affiliation(s)
- Robert T Yu
- Department of Chemistry, Colorado State University, Fort Collins, CO 80523, USA
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Peng Y, Yu M, Zhang L. Au-catalyzed synthesis of 5,6-dihydro-8H-indolizin-7-ones from N-(pent-2-en-4-ynyl)-beta-lactams. Org Lett 2008; 10:5187-90. [PMID: 18954058 DOI: 10.1021/ol802159v] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Au-catalyzed synthesis of 5,6-dihydro-8H-indolizin-7-ones from readily available N-(pent-2-en-4-ynyl)-beta-lactams is developed. In this reaction, a 5-exo-dig cyclization of the beta-lactam nitrogen to the Au-activated C-C triple bond is followed by heterolytic fragmentation of the amide bond, forming a highly nucleophilic acyl cation. An expedient formal synthesis of indolizidine 167B was easily achieved using this new method.
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Affiliation(s)
- Yu Peng
- Department of Chemistry, University of Nevada, Reno, Nevada 89557, USA
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Kamimura A, Nagata Y, Kadowaki A, Uchida K, Uno H. Stereoselective conjugate addition of lactams to nitroalkenes and formal total synthesis of indolizidine 167B. Tetrahedron 2007. [DOI: 10.1016/j.tet.2007.09.023] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Gossauer A. Monopyrrolic natural compounds including tetramic acid derivatives. FORTSCHRITTE DER CHEMIE ORGANISCHER NATURSTOFFE = PROGRESS IN THE CHEMISTRY OF ORGANIC NATURAL PRODUCTS. PROGRES DANS LA CHIMIE DES SUBSTANCES ORGANIQUES NATURELLES 2003; 86:1-188. [PMID: 12899123 DOI: 10.1007/978-3-7091-6029-9_1] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Albert Gossauer
- Department of Chemistry, University of Fribourg, Fribourg, Switzerland
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Chênevert R, Mohammadi Ziarani G, Dasser M. Chemoenzymatic Enantioselective Synthesis of (-)-Indolizidine 167B. HETEROCYCLES 1999. [DOI: 10.3987/com-98-8421] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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12
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Compain P, Goré J, Vatèle JM. Rearrangement of α-hydroxy imines to α-amino ketones: Mechanistic aspects and synthetic applications. Tetrahedron 1996. [DOI: 10.1016/0040-4020(96)00317-1] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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13
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Alkaloid synthesis using 1-acylpyridinium salts as intermediates. ACTA ACUST UNITED AC 1996. [DOI: 10.1016/s1521-4478(06)80008-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
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Antimicrobial activity of amphibian venoms. ACTA ACUST UNITED AC 1995. [DOI: 10.1016/s1572-5995(06)80135-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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15
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Supramolecular chemistry in asymmetric carbonyl–ene reactions. ACTA ACUST UNITED AC 1995. [DOI: 10.1016/s1874-5148(06)80004-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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16
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Murahashi SI, Sasao S, Saito E, Naota T. Ruthenium-catalyzed hydration of nitriles and transformation of δ-ketonitriles to ene-lactams: total synthesis of (−)-pumiliotoxin C. Tetrahedron 1993. [DOI: 10.1016/s0040-4020(01)81902-5] [Citation(s) in RCA: 65] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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17
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Cossy J, Vogel P. Hydroxylated Indolizidines and their Synthesis. ACTA ACUST UNITED AC 1993. [DOI: 10.1016/b978-0-444-89366-6.70014-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
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Schmid-Antomarchi H, Amoroso S, Fosset M, Lazdunski M. K+ channel openers activate brain sulfonylurea-sensitive K+ channels and block neurosecretion. Proc Natl Acad Sci U S A 1990; 87:3489-92. [PMID: 2333295 PMCID: PMC53926 DOI: 10.1073/pnas.87.9.3489] [Citation(s) in RCA: 89] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Vascular K+ channel openers such as cromakalim, nicorandil, and pinacidil potently stimulate 86Rb+ efflux from slices of substantia nigra. This 86Rb+ efflux is blocked by antidiabetic sulfonylureas, which are known to be potent and specific blockers of ATP-regulated K+ channels in pancreatic beta cells, cardiac cells, and smooth muscle cells. K0.5, the half-maximal effect of the enantiomer (-)-cromakalim, is as low as 10 nM, whereas K0.5 for nicorandil is 100 nM. These two compounds appear to have a much higher affinity for nerve cells than for smooth muscle cells. Openers of sulfonylurea-sensitive K+ channels lead to inhibition of gamma-aminobutyric acid release. There is an excellent relationship between potency to activate 86Rb+ efflux and potency to inhibit neurotransmitter release.
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Affiliation(s)
- H Schmid-Antomarchi
- Institut de Pharmacologie Moléculaire et Cellulaire, UPR 411 Centre National de la Recherche Scientifique, Valbonne, France
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