1
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Yokota T, Yu Y, Araseki K, Arai T. Bis(imidazolidine)-Derived NCN Nickel-Pincer-Catalyzed Asymmetric Reactions. Org Lett 2024; 26:7880-7884. [PMID: 39250615 DOI: 10.1021/acs.orglett.4c02773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/11/2024]
Abstract
A bis(imidazolidine)-derived NCN nickel-pincer complex (tBu-PhBidine-Ni-OTf: NCN-Ni-OTf) was synthesized by the oxidative addition of imidazolidine-containing aryl triflate to Ni(cod)2 in MeCN. NCN-Ni-OTf exhibited asymmetric induction in three reactions. In the Friedel-Crafts reaction of indoles with N-Boc imines, 3-indolylmethanamine products were obtained in 79% yield with 99% ee. In a conjugate addition reaction of malononitrile to nitroalkenes, products were obtained in 95% yield with 75% ee. In iodolactonization, the pincer-Ni complex showed catalytic activity superior to that of tBu-PhBidine-Pd-OTf.
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Affiliation(s)
- Tomoya Yokota
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Resource Innovation Center (CIRIC), Synthetic Organic Chemistry, Department of Chemistry, Graduate School of Science, Chiba University, 1-33 Yayoi, Inage, Chiba 263-8522, Japan
| | - Yan Yu
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Resource Innovation Center (CIRIC), Synthetic Organic Chemistry, Department of Chemistry, Graduate School of Science, Chiba University, 1-33 Yayoi, Inage, Chiba 263-8522, Japan
| | - Kensuke Araseki
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Resource Innovation Center (CIRIC), Synthetic Organic Chemistry, Department of Chemistry, Graduate School of Science, Chiba University, 1-33 Yayoi, Inage, Chiba 263-8522, Japan
| | - Takayoshi Arai
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Resource Innovation Center (CIRIC), Synthetic Organic Chemistry, Department of Chemistry, Graduate School of Science, Chiba University, 1-33 Yayoi, Inage, Chiba 263-8522, Japan
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2
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Tsuji Y, Kon K, Horibe T, Ishihara K. Catalytic Site-, Diastereo-, and Enantioselective Cascade Iodocyclization of 2-Geranylarenols. Chem Asian J 2023; 18:e202300019. [PMID: 36745467 DOI: 10.1002/asia.202300019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2023] [Revised: 02/03/2023] [Accepted: 02/06/2023] [Indexed: 02/07/2023]
Abstract
A chiral amidophosphate-N-iodosuccinimide cooperative catalysis has been developed for the site-, diastereo-, and enantioselective iodocyclization of 2-geranylarenols with molecular iodine to give the corresponding iodo-containing polycyclic compounds with good levels of selectivity. This is the first example of a catalytic enantioselective iodocarbocyclization. A reactive chiral iodonium species is generated from molecular iodine via the dual halogen-bonding interactions with a chiral Lewis base and Lewis acid. The sterically demanding 3,3'-substituents of the chiral BINOL-derived amidophosphate are critical to induce the site-selective iodination at the less-hindered terminal alkenyl moiety of 2-geranylarenols.
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Affiliation(s)
- Yasutaka Tsuji
- Graduate School of Engineering, Nagoya University B2-3(611), Furo-cho, Chikusa, Nagoya, 464-8603, Japan
| | - Kazumasa Kon
- Graduate School of Engineering, Nagoya University B2-3(611), Furo-cho, Chikusa, Nagoya, 464-8603, Japan.,Venture Business Laboratory, Nagoya University B2-4, Furo-cho, Chikusa, Nagoya, 464-814, Japan
| | - Takahiro Horibe
- Graduate School of Engineering, Nagoya University B2-3(611), Furo-cho, Chikusa, Nagoya, 464-8603, Japan
| | - Kazuaki Ishihara
- Graduate School of Engineering, Nagoya University B2-3(611), Furo-cho, Chikusa, Nagoya, 464-8603, Japan
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3
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Nishiyori R, Okuno K, Chan B, Shirakawa S. Chiral Bifunctional Selenide Catalysts for Asymmetric Iodolactonizations. Chem Pharm Bull (Tokyo) 2022; 70:599-604. [DOI: 10.1248/cpb.c22-00049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Ryuichi Nishiyori
- Department of Environmental Science, Graduate School of Fisheries and Environmental Sciences, Nagasaki University
| | - Ken Okuno
- Department of Environmental Science, Graduate School of Fisheries and Environmental Sciences, Nagasaki University
| | - Bun Chan
- Graduate School of Engineering, Nagasaki University
| | - Seiji Shirakawa
- Department of Environmental Science, Graduate School of Fisheries and Environmental Sciences, Nagasaki University
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4
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De S, Dan AK, Sahu R, Das D. Asymmetric Synthesis of Halocyclized Products by Using Various Catalysts: A State‐of‐the‐Art Review. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Soumik De
- NIT Silchar: National Institute of Technology Silchar Department of Chemistry QQ5R+3WM, NIT Road, Fakiratilla 788010 Silchar INDIA
| | - Aritra Kumar Dan
- KIIT School of Biotechnology Department of Biotechnology School Of Biotechnology, KIIT ,Campus 11, Patia 751024 Bhubaneswar INDIA
| | - Raghaba Sahu
- Seoul National University College of Pharmacy College of Pharmacy 1 Gwanak-ro, Gwanak-gu 08826 KOREA, REPUBLIC OF
| | - Debadutta Das
- RITE: Radhakrishna Institute of Technology and Engineering Chemistry Barunai Temple Rd, IDCO-01, IDCO Industrial Estate, Barunei 752057 Khordha INDIA
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5
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Affiliation(s)
- Nilanjana Majumdar
- Medicinal & Process Chemistry Division, CSIR-Central Drug Research Institute, Sector 10, Jankipuram Extension, Sitapur Road, P.O. Box 173, Lucknow 226031, Uttar Pradesh, India
- Academy of Scientific and Innovative Research, New Delhi 110001, India
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6
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Suzuki TK, Yamanaka M, Arai T. Intermolecular Catalytic Asymmetric Iodoetherification of Unfunctionalized Alkenes. Org Lett 2022; 24:3872-3877. [PMID: 35604948 DOI: 10.1021/acs.orglett.2c01490] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A newly prepared trinuclear Zn3-(R,S,S)-aminoiminobinaphthoxide complex (triZn-II) catalyzed the first general intermolecular asymmetric iodoetherification of unfunctionalized alkenes. Using triZn-II, the iodoetherification reaction of unfunctionalized alkenes with o-nitrophenols proceeded smoothly to give the products with up to 92.5:7.5 er, and diene substrates were converted to the products with up to 99:1 er with the formation of a meso-isomer (dl/meso = 78/22). The chiral iodoethers gave a new platform for the synthesis of chiral morpholines.
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Affiliation(s)
- Takumi K Suzuki
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Resource Innovation Center (CIRIC), Molecular Chirality Research Center (MCRC), Synthetic Organic Chemistry, Department of Chemistry, Graduate School of Science, Chiba University, 1-33 Yayoi, Inage, Chiba 263-8522, Japan
| | - Masahiro Yamanaka
- Department of Chemistry, Rikkyo University, 3-34-1 Nishi-Ikebukuro, Toshima-ku, Tokyo 171-8501, Japan
| | - Takayoshi Arai
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Resource Innovation Center (CIRIC), Molecular Chirality Research Center (MCRC), Synthetic Organic Chemistry, Department of Chemistry, Graduate School of Science, Chiba University, 1-33 Yayoi, Inage, Chiba 263-8522, Japan
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7
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Yamashita K, Hirokawa R, Ichikawa M, Hisanaga T, Nagao Y, Takita R, Watanabe K, Kawato Y, Hamashima Y. Mechanistic Details of Asymmetric Bromocyclization with BINAP Monoxide: Identification of Chiral Proton-Bridged Bisphosphine Oxide Complex and Its Application to Parallel Kinetic Resolution. J Am Chem Soc 2022; 144:3913-3924. [PMID: 35226811 DOI: 10.1021/jacs.1c11816] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The mechanism of our previously reported catalytic asymmetric bromocyclization reactions using 2,2'-bis(diphenylphosphino)-1,1'-binaphthyl (BINAP) monoxide was examined in detail by the means of control experiments, NMR studies, X-ray structure analysis, and CryoSpray electrospray ionization mass spectrometry (ESI-MS) analysis. The chiral BINAP monoxide was transformed to a key catalyst precursor, proton-bridged bisphosphine oxide complex (POHOP·Br), in the presence of N-bromosuccinimide (NBS) and contaminating water. The thus-formed POHOP further reacts with NBS to afford BINAP dioxide and molecular bromine (Br2) simultaneously in equimolar amounts. While the resulting Br2 is activated by NBS to form a more reactive brominating reagent (Br2─NBS), BINAP dioxide serves as a bifunctional catalyst, acting as both a Lewis base that reacts with Br2─NBS to form a chiral brominating agent (P═O+─Br) and also as a Brønsted base for the activation of the substrate. By taking advantage of this novel concerted Lewis/Brønsted base catalysis by BINAP dioxide, we achieved the first regio- and chemodivergent parallel kinetic resolutions (PKRs) of racemic unsymmetrical bisallylic amides via bromocyclization.
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Affiliation(s)
- Kenji Yamashita
- School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
| | - Ryo Hirokawa
- School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
| | - Mamoru Ichikawa
- School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
| | - Tatsunari Hisanaga
- School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
| | - Yoshihiro Nagao
- School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
| | - Ryo Takita
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Kohei Watanabe
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Yuji Kawato
- School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
| | - Yoshitaka Hamashima
- School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
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8
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Yan J, Zhou Z, He Q, Chen G, Wei H, Xie W. The applications of catalytic asymmetric halocyclization in natural product synthesis. Org Chem Front 2022. [DOI: 10.1039/d1qo01395e] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Catalytic asymmetric halocyclization of olefinic substrate has evolved rapidly and been well utilized as a practical strategy for constructing enantioenriched cyclic skeletons in natural product synthesis.
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Affiliation(s)
- Jiahang Yan
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, 22 Xinong Road, Yangling 712100, Shaanxi, China
| | - Zhiqiang Zhou
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, 22 Xinong Road, Yangling 712100, Shaanxi, China
| | - Qiaoqiao He
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, 22 Xinong Road, Yangling 712100, Shaanxi, China
| | - Guzhou Chen
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, 22 Xinong Road, Yangling 712100, Shaanxi, China
| | - Hongbo Wei
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, 22 Xinong Road, Yangling 712100, Shaanxi, China
| | - Weiqing Xie
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, 22 Xinong Road, Yangling 712100, Shaanxi, China
- Key Laboratory of Botanical Pesticide R&D in Shaanxi Province, Yangling, Shaanxi 712100, China
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9
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Léal MA, Rheingold AL, Weinert CS. A facile route to germanium(IV) binaphthoxide complexes: crystal structure of a chiral resolved germanium(IV) binaphthoxide. MENDELEEV COMMUNICATIONS 2022. [DOI: 10.1016/j.mencom.2022.01.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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10
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Portela S, Fernández I. Nature of C−I⋅⋅⋅π Halogen Bonding and its Role in Organocatalysis. European J Org Chem 2021. [DOI: 10.1002/ejoc.202101244] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Susana Portela
- Departmento de Química Orgánica I and Centro de Innovación en Química Avanzada Facultad de Ciencas Químicas Universidad Complutense de Madrid 28040- Madrid Spain
| | - Israel Fernández
- Departmento de Química Orgánica I and Centro de Innovación en Química Avanzada Facultad de Ciencas Químicas Universidad Complutense de Madrid 28040- Madrid Spain
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11
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Hiraki M, Okuno K, Nishiyori R, Noser AA, Shirakawa S. Efficient asymmetric syntheses of α-quaternary lactones and esters through chiral bifunctional sulfide-catalyzed desymmetrizing bromolactonization of α,α-diallyl carboxylic acids. Chem Commun (Camb) 2021; 57:10907-10910. [PMID: 34590630 DOI: 10.1039/d1cc03874e] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Asymmetric halolactonizations are powerful methods for the syntheses of chiral lactones. Catalytic and highly enantioselective halolactonizations of α-allyl carboxylic acids, however, continue to present a formidable challenge. Herein, we report the chiral bifunctional sulfide-catalyzed desymmetrizing bromolactonizations of α,α-diallyl carboxylic acids. These reactions efficiently produced chiral α-quaternary lactones and esters.
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Affiliation(s)
- Mana Hiraki
- Department of Environmental Science, Graduate School of Fisheries and Environmental Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan.
| | - Ken Okuno
- Department of Environmental Science, Graduate School of Fisheries and Environmental Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan.
| | - Ryuichi Nishiyori
- Department of Environmental Science, Graduate School of Fisheries and Environmental Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan.
| | - Ahmed A Noser
- Department of Environmental Science, Graduate School of Fisheries and Environmental Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan. .,Department of Chemistry, Faculty of Science, Tanta University, Tanta 31527, Egypt
| | - Seiji Shirakawa
- Department of Environmental Science, Graduate School of Fisheries and Environmental Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan.
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12
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Chan YC, Wang X, Lam YP, Wong J, Tse YLS, Yeung YY. A Catalyst-Controlled Enantiodivergent Bromolactonization. J Am Chem Soc 2021; 143:12745-12754. [PMID: 34350758 DOI: 10.1021/jacs.1c05680] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A catalyst-controlled enantiodivergent bromolactonization of olefinic acids has been developed. Quinine-derived amino-amides bearing the same chiral core but different achiral aryl substituents were used as the catalysts. Switching the methoxy substituent in the aryl amide system from meta- to ortho-position results in a complete switch in asymmetric induction to afford the desired lactone in good enantioselectivity and yield. Mechanistic studies, including chemical experiments and density functional theory calculations, reveal that the differences in steric and electronic effects of the catalyst substituent alter the reaction mechanism.
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Affiliation(s)
- Yuk-Cheung Chan
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China
| | - Xinyan Wang
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China
| | - Ying-Pong Lam
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China
| | - Jonathan Wong
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China
| | - Ying-Lung Steve Tse
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China
| | - Ying-Yeung Yeung
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China
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13
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Kuwano S, Ogino E, Arai T. Enantio- and diastereoselective double Mannich reaction of malononitrile with N-Boc imines using quinine-derived bifunctional organoiodine catalyst. Org Biomol Chem 2021; 19:6969-6973. [PMID: 34337640 DOI: 10.1039/d1ob00796c] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
A chiral quinine-derived organic base catalyst with halogen bond donor functionality was used to catalyze the asymmetric double Mannich reaction of malononitrile with N-Boc and N-Cbz imines to afford 1,3-diamines in excellent yields with high enantio- and diastereoselectivities. With 2.2 equiv. of a single imine electrophile, symmetrical 1,3-diamines were obtained, whereas, with two different imine partners, unsymmetrically substituted 1,3-diamine was obtained. The monohydration of the double Mannich product was also achieved.
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Affiliation(s)
- Satoru Kuwano
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Resource Innovation Center (CIRIC), Molecular Chirality Research Center (MCRC), Department of Chemistry, Graduate School of Science, Chiba University, 1-33 Yayoi, Inage, Chiba 263-8522, Japan.
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14
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15
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Nishida Y, Suzuki T, Takagi Y, Amma E, Tajima R, Kuwano S, Arai T. A Hypervalent Cyclic Dibenzoiodolium Salt as a Halogen-Bond-Donor Catalyst for the [4+2] Cycloaddition of 2-Alkenylindoles. Chempluschem 2021; 86:741-744. [PMID: 33942571 DOI: 10.1002/cplu.202100089] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 04/15/2021] [Indexed: 12/11/2022]
Abstract
A stable, hypervalent cyclic dibenzoiodolium salt acted as a strong halogen bonding (XB)-donor catalyst for [4+2] cycloaddition of 2-alkenylindoles, and not as an oxidizing agent. The cross-[4+2] cycloaddition of 2-vinylindoles with 2-alkenylindoles was catalyzed smoothly by the hypervalent cyclic dibenzoiodolium triflate catalyst to give the tetrahydrocarbazoles in up to 99 % yield with 17 : 1 diastereoselectivity. The hypervalent cyclic dibenzoiodolium salt was also applicable to the Povarov reaction of 2-vinylindole with N-p-methoxyphenyl (PMP) imine to give the indolyl-tetrahydroquinoline in 83 % yield.
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Affiliation(s)
- Yuki Nishida
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Resource Innovation Center (CIRIC), Molecular Chirality Research Center (MCRC), Department of Chemistry, Graduate School of Science, Chiba University, 1-33 Yayoi, Inage, Chiba, 263-8522, Japan
| | - Takumi Suzuki
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Resource Innovation Center (CIRIC), Molecular Chirality Research Center (MCRC), Department of Chemistry, Graduate School of Science, Chiba University, 1-33 Yayoi, Inage, Chiba, 263-8522, Japan
| | - Yuri Takagi
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Resource Innovation Center (CIRIC), Molecular Chirality Research Center (MCRC), Department of Chemistry, Graduate School of Science, Chiba University, 1-33 Yayoi, Inage, Chiba, 263-8522, Japan
| | - Emi Amma
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Resource Innovation Center (CIRIC), Molecular Chirality Research Center (MCRC), Department of Chemistry, Graduate School of Science, Chiba University, 1-33 Yayoi, Inage, Chiba, 263-8522, Japan
| | - Ryoya Tajima
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Resource Innovation Center (CIRIC), Molecular Chirality Research Center (MCRC), Department of Chemistry, Graduate School of Science, Chiba University, 1-33 Yayoi, Inage, Chiba, 263-8522, Japan
| | - Satoru Kuwano
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Resource Innovation Center (CIRIC), Molecular Chirality Research Center (MCRC), Department of Chemistry, Graduate School of Science, Chiba University, 1-33 Yayoi, Inage, Chiba, 263-8522, Japan
| | - Takayoshi Arai
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Resource Innovation Center (CIRIC), Molecular Chirality Research Center (MCRC), Department of Chemistry, Graduate School of Science, Chiba University, 1-33 Yayoi, Inage, Chiba, 263-8522, Japan
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16
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Nishiyori R, Okada M, Maynard JRJ, Shirakawa S. Chiral Bifunctional Sulfide‐Catalyzed Highly Enantioselective Bromolactonizations of 4‐Pentenoic Acids. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202000644] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Ryuichi Nishiyori
- Department of Environmental Science Graduate School of Fisheries and Environmental Sciences Nagasaki University 1-14 Bunkyo-machi Nagasaki 852-8521 Japan
| | - Megumi Okada
- Department of Environmental Science Graduate School of Fisheries and Environmental Sciences Nagasaki University 1-14 Bunkyo-machi Nagasaki 852-8521 Japan
| | - John R. J. Maynard
- Department of Environmental Science Graduate School of Fisheries and Environmental Sciences Nagasaki University 1-14 Bunkyo-machi Nagasaki 852-8521 Japan
- Department of Chemistry University of Southampton Highfield Southampton SO17 1BJ UK
| | - Seiji Shirakawa
- Department of Environmental Science Graduate School of Fisheries and Environmental Sciences Nagasaki University 1-14 Bunkyo-machi Nagasaki 852-8521 Japan
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17
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Yoshida Y, Ishikawa S, Mino T, Sakamoto M. Bromonium salts: diaryl-λ3-bromanes as halogen-bonding organocatalysts. Chem Commun (Camb) 2021; 57:2519-2522. [DOI: 10.1039/d0cc07733j] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Bromonium salts have been typically but infrequently used as good leaving groups owing to their high nucleofugality. Herein, we report the synthesis of stable bromonium salts and their first catalytic application, with excellent product yield.
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Affiliation(s)
- Yasushi Yoshida
- Molecular Chirality Research Center
- Graduate School of Engineering
- Chiba University
- 1-33, Yayoi-cho, Inage-ku
- Chiba-Shi
| | - Seitaro Ishikawa
- Molecular Chirality Research Center
- Graduate School of Engineering
- Chiba University
- 1-33, Yayoi-cho, Inage-ku
- Chiba-Shi
| | - Takashi Mino
- Molecular Chirality Research Center
- Graduate School of Engineering
- Chiba University
- 1-33, Yayoi-cho, Inage-ku
- Chiba-Shi
| | - Masami Sakamoto
- Molecular Chirality Research Center
- Graduate School of Engineering
- Chiba University
- 1-33, Yayoi-cho, Inage-ku
- Chiba-Shi
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18
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Trouvé J, Gramage-Doria R. Beyond hydrogen bonding: recent trends of outer sphere interactions in transition metal catalysis. Chem Soc Rev 2021; 50:3565-3584. [DOI: 10.1039/d0cs01339k] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The implementation of interactions beyond hydrogen bonding in the 2nd coordination sphere of transition metal catalysts is rare. However, it has already shown great promise in last 5 years, providing new tools to control the activity and selectivity as here reviewed.
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19
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Qi C, Force G, Gandon V, Lebœuf D. Hexafluoroisopropanol‐Promoted Haloamidation and Halolactonization of Unactivated Alkenes. Angew Chem Int Ed Engl 2020; 60:946-953. [DOI: 10.1002/anie.202010846] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 09/18/2020] [Indexed: 12/13/2022]
Affiliation(s)
- Chenxiao Qi
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO) CNRS UMR 8182 Université Paris-Saclay 91405 Orsay France
| | - Guillaume Force
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO) CNRS UMR 8182 Université Paris-Saclay 91405 Orsay France
| | - Vincent Gandon
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO) CNRS UMR 8182 Université Paris-Saclay 91405 Orsay France
- Laboratoire de Chimie Moléculaire (LCM), CNRS UMR 9168 Ecole Polytechnique Institut Polytechnique de Paris 91128 Palaiseau France
| | - David Lebœuf
- Institut de Science et d'Ingénierie Supramoléculaires (ISIS) CNRS UMR 7006 Université de Strasbourg 67000 Strasbourg France
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20
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Qi C, Force G, Gandon V, Lebœuf D. Hexafluoroisopropanol‐Promoted Haloamidation and Halolactonization of Unactivated Alkenes. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202010846] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Chenxiao Qi
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO) CNRS UMR 8182 Université Paris-Saclay 91405 Orsay France
| | - Guillaume Force
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO) CNRS UMR 8182 Université Paris-Saclay 91405 Orsay France
| | - Vincent Gandon
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO) CNRS UMR 8182 Université Paris-Saclay 91405 Orsay France
- Laboratoire de Chimie Moléculaire (LCM), CNRS UMR 9168 Ecole Polytechnique Institut Polytechnique de Paris 91128 Palaiseau France
| | - David Lebœuf
- Institut de Science et d'Ingénierie Supramoléculaires (ISIS) CNRS UMR 7006 Université de Strasbourg 67000 Strasbourg France
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21
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Kaasik M, Kanger T. Supramolecular Halogen Bonds in Asymmetric Catalysis. Front Chem 2020; 8:599064. [PMID: 33195108 PMCID: PMC7609521 DOI: 10.3389/fchem.2020.599064] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Accepted: 09/15/2020] [Indexed: 12/17/2022] Open
Abstract
Halogen bonding has received a significant increase in attention in the past 20 years. An important part of this interest has centered on catalytic applications of halogen bonding. Halogen bond (XB) catalysis is still a developing field in organocatalysis, although XB catalysis has outgrown its proof of concept phase. The start of this year witnessed the publication of the first example of a purely XB-based enantioselective catalytic reaction. While the selectivity can be improved upon, there are already plenty of examples in which halogen bonds, among other interactions, play a crucial role in the outcome of highly enantioselective reactions. This paper will give an overview of the current state of the use of XBs in catalytic stereoselective processes.
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Affiliation(s)
| | - Tõnis Kanger
- Department of Chemistry and Biotechnology, Tallinn University of Technology, Tallinn, Estonia
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22
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Catalytic Asymmetric Chlorination of β-Ketoesters Using N-PFB-PyBidine-Zn(OAc)2. Catalysts 2020. [DOI: 10.3390/catal10101177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
A PyBidine-Zn(OAc)2 complex catalyzed asymmetric chlorination of β-ketoesters. With assistance of NaHCO3, a newly developed N-pentafluorobenzyl-PyBidine (N-PFB-PyBidine)-Zn(OAc)2 catalyst promoted the reaction of α-benzyl-β-ketoesters with N-chlorosuccinimide (NCS) to give the chlorinated products with up to 82% ee. Results of a mechanistic study suggested that zinc-enolate of β-ketoesters was formed on the basic (N-PFB-PyBidine)-Zn(OAc)2 catalyst. The α-chlorinated-β-ketoester was successfully transformed into the chiral epoxide through sequential asymmetric chlorination/cyano-epoxidation in a one-pot synthesis.
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23
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Arai T, Horigane K, Suzuki TK, Itoh R, Yamanaka M. Catalytic Asymmetric Iodoesterification of Simple Alkenes. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202003886] [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)
- Takayoshi Arai
- Soft Molecular Activation Research Center (SMARC) Chiba Iodine Research Innovation Center (CIRIC) Molecular Chirality Research Center (MCRC) Department of Chemistry Graduate School of Science Chiba University 1-33 Yayoi, Inage Chiba 263-8522 Japan
| | - Kodai Horigane
- Soft Molecular Activation Research Center (SMARC) Chiba Iodine Research Innovation Center (CIRIC) Molecular Chirality Research Center (MCRC) Department of Chemistry Graduate School of Science Chiba University 1-33 Yayoi, Inage Chiba 263-8522 Japan
| | - Takumi K. Suzuki
- Soft Molecular Activation Research Center (SMARC) Chiba Iodine Research Innovation Center (CIRIC) Molecular Chirality Research Center (MCRC) Department of Chemistry Graduate School of Science Chiba University 1-33 Yayoi, Inage Chiba 263-8522 Japan
| | - Ryosuke Itoh
- Department of Chemistry Research Center for Smart Molecules Rikkyo University 3-34-1 Nishi-Ikebukuro, Toshima-ku Tokyo 171-8588 Japan
| | - Masahiro Yamanaka
- Department of Chemistry Research Center for Smart Molecules Rikkyo University 3-34-1 Nishi-Ikebukuro, Toshima-ku Tokyo 171-8588 Japan
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24
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Suzuki T, Kuwano S, Arai T. Non‐Bonding Electron Pair versus π‐Electrons in Solution Phase Halogen Bond Catalysis: Povarov Reaction of 2‐Vinylindoles and Imines. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000494] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Takumi Suzuki
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Resource Innovation Center (CIRIC), Molecular Chirality Research Center (MCRC), Department of Chemistry, Graduate School of ScienceChiba University 1-33 Yayoi, Inage Chiba 263-8522 Japan
| | - Satoru Kuwano
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Resource Innovation Center (CIRIC), Molecular Chirality Research Center (MCRC), Department of Chemistry, Graduate School of ScienceChiba University 1-33 Yayoi, Inage Chiba 263-8522 Japan
| | - Takayoshi Arai
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Resource Innovation Center (CIRIC), Molecular Chirality Research Center (MCRC), Department of Chemistry, Graduate School of ScienceChiba University 1-33 Yayoi, Inage Chiba 263-8522 Japan
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25
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Horibe T, Tsuji Y, Ishihara K. Halogen-Bonding Interaction between I 2 and N-Iodosuccinimide in Lewis Base-Catalyzed Iodolactonization. Org Lett 2020; 22:4888-4892. [PMID: 32484356 DOI: 10.1021/acs.orglett.0c01735] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The halogen-bonding interaction between I2 and N-iodosuccinimide (NIS) stabilized by a Lewis base (LB) has been explored. 1H NMR, nuclear Overhauser effect (NOE), and diffusion-ordered NMR spectroscopy (DOSY) suggest the generation of a 1:1:1 assembly, LB-I2-NIS. In contrast, when N-iodotrifluoromethanesulfonimide (INTf2) is used instead of NIS, LB-I5+-LB is generated. On the basis of these results in combination with density functional theory (DFT) calculations, we propose a mechanism for the formation of I2-NIS and the subsequent generation of an active iodinating species LB-I+.
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Affiliation(s)
- Takahiro Horibe
- Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa, Nagoya 464-8603, Japan
| | - Yasutaka Tsuji
- Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa, Nagoya 464-8603, Japan
| | - Kazuaki Ishihara
- Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa, Nagoya 464-8603, Japan
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26
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Arai T, Horigane K, Suzuki TK, Itoh R, Yamanaka M. Catalytic Asymmetric Iodoesterification of Simple Alkenes. Angew Chem Int Ed Engl 2020; 59:12680-12683. [DOI: 10.1002/anie.202003886] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Indexed: 12/30/2022]
Affiliation(s)
- Takayoshi Arai
- Soft Molecular Activation Research Center (SMARC) Chiba Iodine Research Innovation Center (CIRIC) Molecular Chirality Research Center (MCRC) Department of Chemistry Graduate School of Science Chiba University 1-33 Yayoi, Inage Chiba 263-8522 Japan
| | - Kodai Horigane
- Soft Molecular Activation Research Center (SMARC) Chiba Iodine Research Innovation Center (CIRIC) Molecular Chirality Research Center (MCRC) Department of Chemistry Graduate School of Science Chiba University 1-33 Yayoi, Inage Chiba 263-8522 Japan
| | - Takumi K. Suzuki
- Soft Molecular Activation Research Center (SMARC) Chiba Iodine Research Innovation Center (CIRIC) Molecular Chirality Research Center (MCRC) Department of Chemistry Graduate School of Science Chiba University 1-33 Yayoi, Inage Chiba 263-8522 Japan
| | - Ryosuke Itoh
- Department of Chemistry Research Center for Smart Molecules Rikkyo University 3-34-1 Nishi-Ikebukuro, Toshima-ku Tokyo 171-8588 Japan
| | - Masahiro Yamanaka
- Department of Chemistry Research Center for Smart Molecules Rikkyo University 3-34-1 Nishi-Ikebukuro, Toshima-ku Tokyo 171-8588 Japan
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27
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Nikolaevskii SA, Yambulatov DS, Starikova AA, Sidorov AA, Kiskin MA, Eremenko IL. Molecular Structure and Photoluminescence Behavior of the Zn(II) Carboxylate Complex with Pyrazino[2,3-f][1,10]phenanthroline. RUSS J COORD CHEM+ 2020. [DOI: 10.1134/s1070328420040053] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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28
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Kuwano S, Nishida Y, Suzuki T, Arai T. Catalytic Asymmetric Mannich‐Type Reaction of Malononitrile with N‐Boc α‐Ketiminoesters Using Chiral Organic Base Catalyst with Halogen Bond Donor Functionality. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000092] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Satoru Kuwano
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Resource Innovation Center (CIRIC), Molecular Chirality Research Center (MCRC), Department of Chemistry, Graduate School of ScienceChiba University 1-33 Yayoi, Inage Chiba 263-8522 Japan
| | - Yuki Nishida
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Resource Innovation Center (CIRIC), Molecular Chirality Research Center (MCRC), Department of Chemistry, Graduate School of ScienceChiba University 1-33 Yayoi, Inage Chiba 263-8522 Japan
| | - Takumi Suzuki
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Resource Innovation Center (CIRIC), Molecular Chirality Research Center (MCRC), Department of Chemistry, Graduate School of ScienceChiba University 1-33 Yayoi, Inage Chiba 263-8522 Japan
| | - Takayoshi Arai
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Resource Innovation Center (CIRIC), Molecular Chirality Research Center (MCRC), Department of Chemistry, Graduate School of ScienceChiba University 1-33 Yayoi, Inage Chiba 263-8522 Japan
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29
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Application of Halogen Bonding to Organocatalysis: A Theoretical Perspective. Molecules 2020; 25:molecules25051045. [PMID: 32110944 PMCID: PMC7179134 DOI: 10.3390/molecules25051045] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 02/23/2020] [Accepted: 02/24/2020] [Indexed: 11/18/2022] Open
Abstract
The strong, specific, and directional halogen bond (XB) is an ideal supramolecular synthon in crystal engineering, as well as rational catalyst and drug design. These attributes attracted strong growing interest in halogen bonding in the past decade and led to a wide range of applications in materials, biological, and catalysis applications. Recently, various research groups exploited the XB mode of activation in designing halogen-based Lewis acids in effecting organic transformation, and there is continual growth in this promising area. In addition to the rapid advancements in methodology development, computational investigations are well suited for mechanistic understanding, rational XB catalyst design, and the study of intermediates that are unstable when observed experimentally. In this review, we highlight recent computational studies of XB organocatalytic reactions, which provide valuable insights into the XB mode of activation, competing reaction pathways, effects of solvent and counterions, and design of novel XB catalysts.
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30
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Nishiyori R, Maynard JRJ, Shirakawa S. Chiral Bifunctional Selenide Catalysts for Asymmetric Bromolactonization. ASIAN J ORG CHEM 2020. [DOI: 10.1002/ajoc.201900688] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Ryuichi Nishiyori
- Department of Environmental Science Graduate School of Fisheries and Environmental SciencesNagasaki University 1–14 Bunkyo-machi Nagasaki 852-8521 Japan
| | - John R. J. Maynard
- Department of Environmental Science Graduate School of Fisheries and Environmental SciencesNagasaki University 1–14 Bunkyo-machi Nagasaki 852-8521 Japan
- Department of ChemistryUniversity of Southampton Highfield Southampton SO17 1BJ (UK
| | - Seiji Shirakawa
- Department of Environmental Science Graduate School of Fisheries and Environmental SciencesNagasaki University 1–14 Bunkyo-machi Nagasaki 852-8521 Japan
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31
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Sato R, Tosaka T, Masu H, Arai T. Catalytic Asymmetric Synthesis of Chiral Bis(indolyl)methanes Using a Ts-PyBidine-Nickel Complex. J Org Chem 2019; 84:14248-14257. [PMID: 31553607 DOI: 10.1021/acs.joc.9b02006] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
A chiral tosyl-substituted bis(imidazolidine)pyridine Ts-PyBidine-nickel complex was an efficient catalyst for Friedel-Crafts reaction of indoles with methylene indolinones to give bisindolylmethane compounds having differently oxidized indole units with high enantioselectivities. Alkylation of the products proceeded smoothly in a highly diastereoselective manner, providing an all-carbon quaternary carbon center without significant loss of enantiomeric excess.
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Affiliation(s)
- Ryo Sato
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Research Innovation Center (CIRIC), and Department of Chemistry, Graduate School of Science , Chiba University , 1-33 Yayoi , Inage, Chiba 263-8522 , Japan
| | - Takuya Tosaka
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Research Innovation Center (CIRIC), and Department of Chemistry, Graduate School of Science , Chiba University , 1-33 Yayoi , Inage, Chiba 263-8522 , Japan
| | - Hyuma Masu
- Center for Analytical Instrumentation , Chiba University , 1-33 Yayoi , Inage, Chiba 263-8522 , Japan
| | - Takayoshi Arai
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Research Innovation Center (CIRIC), and Department of Chemistry, Graduate School of Science , Chiba University , 1-33 Yayoi , Inage, Chiba 263-8522 , Japan
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32
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Affiliation(s)
- Revannath L. Sutar
- Fakultät für Chemie und Biochemie, Ruhr-Universität Bochum, Universitätsstraße 150, Bochum, 44801, Germany
| | - Stefan M. Huber
- Fakultät für Chemie und Biochemie, Ruhr-Universität Bochum, Universitätsstraße 150, Bochum, 44801, Germany
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33
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Kuwano S, Suzuki T, Yamanaka M, Tsutsumi R, Arai T. Catalysis Based on C−I⋅⋅⋅π Halogen Bonds: Electrophilic Activation of 2‐Alkenylindoles by Cationic Halogen‐Bond Donors for [4+2] Cycloadditions. Angew Chem Int Ed Engl 2019; 58:10220-10224. [DOI: 10.1002/anie.201904689] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Revised: 05/20/2019] [Indexed: 11/08/2022]
Affiliation(s)
- Satoru Kuwano
- Soft Molecular Activation Research Center (SMARC)Chiba Iodine Resource Innovation Center (CIRIC)Molecular Chirality Research Center (MCRC)Synthetic Organic ChemistryDepartment of ChemistryGraduate School of ScienceChiba University 1–33 Yayoi, Inage Chiba 263-8522 Japan
| | - Takumi Suzuki
- Soft Molecular Activation Research Center (SMARC)Chiba Iodine Resource Innovation Center (CIRIC)Molecular Chirality Research Center (MCRC)Synthetic Organic ChemistryDepartment of ChemistryGraduate School of ScienceChiba University 1–33 Yayoi, Inage Chiba 263-8522 Japan
| | - Masahiro Yamanaka
- Department of ChemistryRikkyo University 3-34-1 Nishi-Ikebukuro, Toshima-ku Tokyo 171-8501 Japan
| | - Ryosuke Tsutsumi
- Department of ChemistryRikkyo University 3-34-1 Nishi-Ikebukuro, Toshima-ku Tokyo 171-8501 Japan
| | - Takayoshi Arai
- Soft Molecular Activation Research Center (SMARC)Chiba Iodine Resource Innovation Center (CIRIC)Molecular Chirality Research Center (MCRC)Synthetic Organic ChemistryDepartment of ChemistryGraduate School of ScienceChiba University 1–33 Yayoi, Inage Chiba 263-8522 Japan
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34
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Kuwano S, Suzuki T, Yamanaka M, Tsutsumi R, Arai T. Catalysis Based on C−I⋅⋅⋅π Halogen Bonds: Electrophilic Activation of 2‐Alkenylindoles by Cationic Halogen‐Bond Donors for [4+2] Cycloadditions. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201904689] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Satoru Kuwano
- Soft Molecular Activation Research Center (SMARC)Chiba Iodine Resource Innovation Center (CIRIC)Molecular Chirality Research Center (MCRC)Synthetic Organic ChemistryDepartment of ChemistryGraduate School of ScienceChiba University 1–33 Yayoi, Inage Chiba 263-8522 Japan
| | - Takumi Suzuki
- Soft Molecular Activation Research Center (SMARC)Chiba Iodine Resource Innovation Center (CIRIC)Molecular Chirality Research Center (MCRC)Synthetic Organic ChemistryDepartment of ChemistryGraduate School of ScienceChiba University 1–33 Yayoi, Inage Chiba 263-8522 Japan
| | - Masahiro Yamanaka
- Department of ChemistryRikkyo University 3-34-1 Nishi-Ikebukuro, Toshima-ku Tokyo 171-8501 Japan
| | - Ryosuke Tsutsumi
- Department of ChemistryRikkyo University 3-34-1 Nishi-Ikebukuro, Toshima-ku Tokyo 171-8501 Japan
| | - Takayoshi Arai
- Soft Molecular Activation Research Center (SMARC)Chiba Iodine Resource Innovation Center (CIRIC)Molecular Chirality Research Center (MCRC)Synthetic Organic ChemistryDepartment of ChemistryGraduate School of ScienceChiba University 1–33 Yayoi, Inage Chiba 263-8522 Japan
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35
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Iida K, Ishida S, Watanabe T, Arai T. Disulfide-Catalyzed Iodination of Electron-Rich Aromatic Compounds. J Org Chem 2019; 84:7411-7417. [DOI: 10.1021/acs.joc.9b00769] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Keisuke Iida
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Resource Innovation Center (CIRIC), Molecular Chirality Research Center (MCRC), and Department of Chemistry, Graduate School of Science, Chiba University, 1-33 Yayoi, Inage, Chiba 263-8522, Japan
| | - Shunsuke Ishida
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Resource Innovation Center (CIRIC), Molecular Chirality Research Center (MCRC), and Department of Chemistry, Graduate School of Science, Chiba University, 1-33 Yayoi, Inage, Chiba 263-8522, Japan
| | - Takamichi Watanabe
- Nippoh Chemicals Co., Ltd. Neo Kawai Building, 8-15,4-Chome, Nihonbashi-Honchou,
Chuo-Ku, Tokyo 103-0023, Japan
| | - Takayoshi Arai
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Resource Innovation Center (CIRIC), Molecular Chirality Research Center (MCRC), and Department of Chemistry, Graduate School of Science, Chiba University, 1-33 Yayoi, Inage, Chiba 263-8522, Japan
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