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Sun YK, Qiao JB, Xin YM, Zhou Q, Ma ZH, Shao H, Zhao YM. Total Synthesis of Metaphanine and Oxoepistephamiersine. Angew Chem Int Ed Engl 2023; 62:e202310917. [PMID: 37602680 DOI: 10.1002/anie.202310917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 08/20/2023] [Accepted: 08/21/2023] [Indexed: 08/22/2023]
Abstract
Herein, we report a concise and divergent synthesis of the complex hasubanan alkaloids metaphanine and oxoepistephamiersine from commercially available and inexpensive cyclohexanedione monoethylene acetal. Our synthesis features a palladium-catalyzed cascade cyclization reaction to set the tricyclic carbon framework of the desired molecules, a regioselective Baeyer-Villiger oxidation followed by a MeNH2 triggered skeletal reorganization cascade to construct the benzannulated aza[4.4.3]propellane, and a strategically late-stage regio-/diastereoselective oxidative annulation of sp3 C-H bond to form the challenging THF ring system and hemiketal moiety in a single step. In addition, a highly enantioselective alkylation of cyclohexanedione monoethylene acetal paved the way for the asymmetric synthesis of target molecular.
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Affiliation(s)
- Ya-Kui Sun
- Key Laboratory of Applied Surface and Colloid Chemistry & School of Chemistry and Chemical Engineering, Shaanxi Normal University, 620 West Chang'an Ave, Xi'an, 710119, China
| | - Jin-Bao Qiao
- Key Laboratory of Applied Surface and Colloid Chemistry & School of Chemistry and Chemical Engineering, Shaanxi Normal University, 620 West Chang'an Ave, Xi'an, 710119, China
| | - Yu-Meng Xin
- Key Laboratory of Applied Surface and Colloid Chemistry & School of Chemistry and Chemical Engineering, Shaanxi Normal University, 620 West Chang'an Ave, Xi'an, 710119, China
| | - Qin Zhou
- Key Laboratory of Applied Surface and Colloid Chemistry & School of Chemistry and Chemical Engineering, Shaanxi Normal University, 620 West Chang'an Ave, Xi'an, 710119, China
| | - Zhi-Hua Ma
- Key Laboratory of Applied Surface and Colloid Chemistry & School of Chemistry and Chemical Engineering, Shaanxi Normal University, 620 West Chang'an Ave, Xi'an, 710119, China
| | - Hui Shao
- Key Laboratory of Applied Surface and Colloid Chemistry & School of Chemistry and Chemical Engineering, Shaanxi Normal University, 620 West Chang'an Ave, Xi'an, 710119, China
| | - Yu-Ming Zhao
- Key Laboratory of Applied Surface and Colloid Chemistry & School of Chemistry and Chemical Engineering, Shaanxi Normal University, 620 West Chang'an Ave, Xi'an, 710119, China
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2
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Xi S, Jiang Y, Yang J, Yang J, Miao D, Chen B, Huang W, He L, Qiu H, Zhang M. Generation and [2,3]-Sigmatropic Rearrangement of Ammonium Ylides from Cyclopropyl Ketones for Chiral Indolizidines with Bridgehead Quaternary Stereocenters. Org Lett 2022; 24:6957-6961. [DOI: 10.1021/acs.orglett.2c02759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Song Xi
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
| | - Yan Jiang
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
| | - Jiaojiao Yang
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
| | - Jiao Yang
- 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
| | - Baoyi Chen
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
| | - Wanqiu Huang
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, 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
| | - 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
| | - 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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3
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Shimomura M, Sato M, Azuma H, Sakata J, Tokuyama H. Total Synthesis of (-)-Lepadiformine A via Radical Translocation-Cyclization Reaction. Org Lett 2020; 22:3313-3317. [PMID: 32182082 DOI: 10.1021/acs.orglett.0c00474] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Total synthesis of (-)-lepadiformine A featuring construction of the 1-azaspiro[4.5]decane skeleton by a highly diastereoselective radical translocation-cyclization reaction of a γ-lactam derivative bearing a chiral butenolide moiety is described. The enantioselective construction of butenolide is conducted via Krische's catalytic asymmetric allylation protocol. After the radical translocation-cyclization reaction, a hydroxymethyl group at the C-13 position was stereoselectively introduced by a one-pot partial reduction-allylation protocol of the unprotected lactam derivative. Finally, the total synthesis is completed by formation of a C ring.
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Affiliation(s)
- Masashi Shimomura
- Graduate School of Pharmaceutical Sciences, Tohoku University, Aoba 6-3, Aramaki, Aoba-ku, Sendai 980-8578, Japan
| | - Manabu Sato
- Graduate School of Pharmaceutical Sciences, Tohoku University, Aoba 6-3, Aramaki, Aoba-ku, Sendai 980-8578, Japan
| | - Hiroki Azuma
- Graduate School of Pharmaceutical Sciences, Tohoku University, Aoba 6-3, Aramaki, Aoba-ku, Sendai 980-8578, Japan
| | - Juri Sakata
- Graduate School of Pharmaceutical Sciences, Tohoku University, Aoba 6-3, Aramaki, Aoba-ku, Sendai 980-8578, Japan
| | - Hidetoshi Tokuyama
- Graduate School of Pharmaceutical Sciences, Tohoku University, Aoba 6-3, Aramaki, Aoba-ku, Sendai 980-8578, Japan
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Duan J, Du YF, Pang X, Shu XZ. Ni-catalyzed cross-electrophile coupling between vinyl/aryl and alkyl sulfonates: synthesis of cycloalkenes and modification of peptides. Chem Sci 2019; 10:8706-8712. [PMID: 31803446 PMCID: PMC6849637 DOI: 10.1039/c9sc03347e] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2019] [Accepted: 08/04/2019] [Indexed: 01/23/2023] Open
Abstract
We report here the coupling reactions between vinyl/aryl and alkyl C-O electrophiles that can be derived from chemical feedstocks and naturally occurring functional groups. This method provides an efficient approach to the synthesis of a wide range of functionalized, and/or secondary alkyl substituted cycloalkenes. These compounds are difficult to produce by conventional methods. The reaction proceeds with broad substrate scope, and tolerates various functional groups such as alcohol, aldehyde, ketone, ester, amide, alkene, alkyne, heterocycles, organotin and organosilicon compounds. The synthetic utility of this method has been demonstrated by providing facile access to important building blocks. We also demonstrated the possibility to apply this method for late-stage modification of peptides. A broad range of functionalized alkyl groups could be selectively introduced into tyrosine in peptides via C-C bond formation, which has been a challenge to the existing procedures.
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Affiliation(s)
- Jicheng Duan
- State Key Laboratory of Applied Organic Chemistry (SKLAOC) , College of Chemistry and Chemical Engineering , Lanzhou University , 222 South Tianshui Road , Lanzhou , 730000 , China .
| | - Yun-Fei Du
- State Key Laboratory of Applied Organic Chemistry (SKLAOC) , College of Chemistry and Chemical Engineering , Lanzhou University , 222 South Tianshui Road , Lanzhou , 730000 , China .
| | - Xiaobo Pang
- State Key Laboratory of Applied Organic Chemistry (SKLAOC) , College of Chemistry and Chemical Engineering , Lanzhou University , 222 South Tianshui Road , Lanzhou , 730000 , China .
| | - Xing-Zhong Shu
- State Key Laboratory of Applied Organic Chemistry (SKLAOC) , College of Chemistry and Chemical Engineering , Lanzhou University , 222 South Tianshui Road , Lanzhou , 730000 , China .
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Tay WS, Lu Y, Yang XY, Li Y, Pullarkat SA, Leung PH. Catalytic and Mechanistic Developments of the Nickel(II) Pincer Complex-Catalyzed Hydroarsination Reaction. Chemistry 2019; 25:11308-11317. [PMID: 31293004 DOI: 10.1002/chem.201902138] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Indexed: 01/08/2023]
Abstract
Synthetic challenges have significantly slowed the development of the catalytic asymmetric hydroarsination reaction despite it being a highly attractive C-As bond formation methodology. In addition, there is a poor understanding of the main reaction steps in such reactions which limit further development in the field. Herein, key intermediates of the hydroarsination reaction catalyzed by a PCP NiII -Cl pincer complex are presented upon investigating the reaction with DFT calculations, conductivity measurements, NMR spectroscopy, and catalytic screening. The novel Ni-Cl-As interaction proposed was then contrasted against known NiII -catalyzed hydrophosphination reactions to highlight dissimilarities between them even though P and As share a close group relationship. Lastly, the asymmetric hydroarsination of nitroolefins was further developed to furnish a library of chiral organoarsines in up to 99 % yield and 80 % ee under mild conditions (-20 °C to RT) between 5 to 210 mins.
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Affiliation(s)
- Wee Shan Tay
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371, Singapore, Singapore
| | - Yunpeng Lu
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371, Singapore, Singapore
| | - Xiang-Yuan Yang
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371, Singapore, Singapore
| | - Yongxin Li
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371, Singapore, Singapore
| | - Sumod A Pullarkat
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371, Singapore, Singapore
| | - Pak-Hing Leung
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371, Singapore, Singapore
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Chuentragool P, Parasram M, Shi Y, Gevorgyan V. General, Mild, and Selective Method for Desaturation of Aliphatic Amines. J Am Chem Soc 2018; 140:2465-2468. [PMID: 29400959 PMCID: PMC5821538 DOI: 10.1021/jacs.8b00488] [Citation(s) in RCA: 95] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
A novel method for desaturation of aliphatic amines into enamines as well as allylic and homoallylic amines has been developed. This general protocol operates via putative aryl hybrid Pd-radical intermediates, which combine the signature features of radical chemistry, a hydrogen atom transfer (HAT) process, and transition metal chemistry, a selective β-hydride elimination step, to achieve efficient and selective desaturation of amines. These hybrid Pd-radical intermediates are efficiently generated under mild photoinduced conditions and are capable of a 1,n-HAT (n = 5-7) event at C(sp3)-H sites. The selectivity of HAT is tunable by varying different auxiliaries, which highlight the generality of this method. Remarkably, this desaturation method, which operates under mild conditions and does not require employment of exogenous photosensitizers or oxidants, can be performed in a practical scalable fashion from simple amines.
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Affiliation(s)
- Padon Chuentragool
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, Illinois 60607-7061, United States
| | - Marvin Parasram
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, Illinois 60607-7061, United States
| | - Yi Shi
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, Illinois 60607-7061, United States
| | - Vladimir Gevorgyan
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, Illinois 60607-7061, United States
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Burnley J, Wang ZJ, Jackson WR, Robinson AJ. Cross-Metathesis Approach to the Tricyclic Marine Alkaloids (−)-Fasicularin and (−)-Lepadiformine A. J Org Chem 2017; 82:8497-8505. [DOI: 10.1021/acs.joc.7b01135] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- James Burnley
- School of Chemistry, Monash University, Clayton, Victoria 3800, Australia
| | - Zhen J. Wang
- School of Chemistry, Monash University, Clayton, Victoria 3800, Australia
| | - W. Roy Jackson
- School of Chemistry, Monash University, Clayton, Victoria 3800, Australia
| | - Andrea J. Robinson
- School of Chemistry, Monash University, Clayton, Victoria 3800, Australia
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Nishikawa K, Yamauchi K, Kikuchi S, Ezaki S, Koyama T, Nokubo H, Matsumura K, Kodama T, Kumagai M, Morimoto Y. Total Syntheses of Lepadiformine Marine Alkaloids with Enantiodivergency, Utilizing Hg(OTf)
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‐Catalyzed Cycloisomerization Reaction and their Cytotoxic Activities. Chemistry 2017; 23:9535-9545. [DOI: 10.1002/chem.201701475] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Indexed: 11/08/2022]
Affiliation(s)
- Keisuke Nishikawa
- Department of Chemistry, Graduate School of ScienceOsaka City University Sumiyoshi-ku Osaka 558–8585 Japan
| | - Kengo Yamauchi
- Department of Chemistry, Graduate School of ScienceOsaka City University Sumiyoshi-ku Osaka 558–8585 Japan
| | - Seiho Kikuchi
- Department of Chemistry, Graduate School of ScienceOsaka City University Sumiyoshi-ku Osaka 558–8585 Japan
| | - Shinnosuke Ezaki
- Department of Chemistry, Graduate School of ScienceOsaka City University Sumiyoshi-ku Osaka 558–8585 Japan
| | - Tomoyuki Koyama
- Department of Chemistry, Graduate School of ScienceOsaka City University Sumiyoshi-ku Osaka 558–8585 Japan
| | - Haruka Nokubo
- Department of Chemistry, Graduate School of ScienceOsaka City University Sumiyoshi-ku Osaka 558–8585 Japan
| | - Kunihiro Matsumura
- Department of Chemistry, Graduate School of ScienceOsaka City University Sumiyoshi-ku Osaka 558–8585 Japan
| | - Takeshi Kodama
- Department of Chemistry, Graduate School of ScienceOsaka City University Sumiyoshi-ku Osaka 558–8585 Japan
| | - Momochika Kumagai
- Department of Chemistry, Graduate School of ScienceOsaka City University Sumiyoshi-ku Osaka 558–8585 Japan
- Japan Food Research Laboratories Ibaraki-shi Osaka 567-0085 Japan
| | - Yoshiki Morimoto
- Department of Chemistry, Graduate School of ScienceOsaka City University Sumiyoshi-ku Osaka 558–8585 Japan
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9
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Saruengkhanphasit R, Collier D, Coldham I. Synthesis of Spirocyclic Amines by Using Dipolar Cycloadditions of Nitrones. J Org Chem 2017; 82:6489-6496. [DOI: 10.1021/acs.joc.7b00959] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
| | - Darren Collier
- Department of Chemistry, University of Sheffield, Sheffield S3 7HF, U.K
| | - Iain Coldham
- Department of Chemistry, University of Sheffield, Sheffield S3 7HF, U.K
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10
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Kandepedu N, Abrunhosa-Thomas I, Troin Y. Stereoselective strategies for the construction of polysubstituted piperidinic compounds and their applications in natural products’ synthesis. Org Chem Front 2017. [DOI: 10.1039/c7qo00262a] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
An abridged and far-reaching review communication on the construction of the polysubstituted piperidinic core using diverse methodologies for the benefit of organic chemists interested in the total synthesis of biologically active compounds.
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Affiliation(s)
- Nishanth Kandepedu
- Université Clermont Auvergne
- SIGMA Clermont
- Institut de Chimie de Clermont-Ferrand
- F-63000 Clermont-Ferrand
- France
| | - Isabelle Abrunhosa-Thomas
- Université Clermont Auvergne
- SIGMA Clermont
- Institut de Chimie de Clermont-Ferrand
- F-63000 Clermont-Ferrand
- France
| | - Yves Troin
- Université Clermont Auvergne
- SIGMA Clermont
- Institut de Chimie de Clermont-Ferrand
- F-63000 Clermont-Ferrand
- France
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Lee S, Bae M, In J, Kim JH, Kim S. Asymmetric Total Synthesis of Lepadiformine C Using Memory of Chirality in an Intramolecular Ester Enolate Michael Addition. Org Lett 2016; 19:254-257. [DOI: 10.1021/acs.orglett.6b03550] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Seokwoo Lee
- College of Pharmacy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Korea
| | - Minsik Bae
- College of Pharmacy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Korea
| | - Jinkyung In
- College of Pharmacy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Korea
| | - Jae Hyun Kim
- College of Pharmacy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Korea
| | - Sanghee Kim
- College of Pharmacy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Korea
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Abstract
The synthesis of a tricyclic marine alkaloid, fasicularin, was accomplished. Stereoselective synthesis of the aza-spirocyclic BC-ring precursor and ensuing construction of the A-ring with stereocontrolled installation of the C2 hexyl group feature prominently in the synthesis.
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Affiliation(s)
- Atsushi Kaga
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University , Singapore 637371, Singapore
| | - Ya Lin Tnay
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University , Singapore 637371, Singapore
| | - Shunsuke Chiba
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University , Singapore 637371, Singapore
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