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Meng X, Lan S, Chen T, Luo H, Zhu L, Chen N, Liu J, Yang S, Cotman AE, Zhang Q, Fang X. Catalytic Asymmetric Transfer Hydrogenation of Acylboronates: BMIDA as the Privileged Directing Group. J Am Chem Soc 2024; 146:20357-20369. [PMID: 38869937 DOI: 10.1021/jacs.4c05924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2024]
Abstract
Developing a general, highly efficient, and enantioselective catalytic method for the synthesis of chiral alcohols is still a formidable challenge. We report in this article the asymmetric transfer hydrogenation (ATH) of N-methyliminodiacetyl (MIDA) acylboronates as a general substrate-independent entry to enantioenriched secondary alcohols. ATH of acyl-MIDA-boronates with (het)aryl, alkyl, alkynyl, alkenyl, and carbonyl substituents delivers a variety of enantioenriched α-boryl alcohols. The latter are used in a range of stereospecific transformations based on the boron moiety, enabling the synthesis of carbinols with two closely related α-substituents, which cannot be obtained with high enantioselectivities using direct asymmetric hydrogenation methods, such as the (R)-cloperastine intermediate. Computational studies illustrate that the BMIDA group is a privileged enantioselectivity-directing group in Noyori-Ikariya ATH compared to the conventionally used aryl and alkynyl groups due to the favorable CH-O attractive electrostatic interaction between the η6-arene-CH of the catalyst and the σ-bonded oxygen atoms in BMIDA. The work expands the domain of conventional ATH and shows its huge potential in addressing challenges in symmetric synthesis.
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Affiliation(s)
- Xiangjian Meng
- State Key Laboratory of Structural Chemistry, and Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, University of Chinese Academy of Sciences, Fuzhou 350100, China
- Fujian Normal University, Fuzhou 350007, China
| | - Shouang Lan
- State Key Laboratory of Structural Chemistry, and Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, University of Chinese Academy of Sciences, Fuzhou 350100, China
| | - Ting Chen
- State Key Laboratory of Structural Chemistry, and Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, University of Chinese Academy of Sciences, Fuzhou 350100, China
| | - Haotian Luo
- State Key Laboratory of Structural Chemistry, and Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, University of Chinese Academy of Sciences, Fuzhou 350100, China
| | - Lixuan Zhu
- State Key Laboratory of Structural Chemistry, and Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, University of Chinese Academy of Sciences, Fuzhou 350100, China
| | - Nanchu Chen
- State Key Laboratory of Structural Chemistry, and Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, University of Chinese Academy of Sciences, Fuzhou 350100, China
| | - Jinggong Liu
- Orthopedics Department, Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou 510120, China
| | - Shuang Yang
- State Key Laboratory of Structural Chemistry, and Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, University of Chinese Academy of Sciences, Fuzhou 350100, China
| | - Andrej Emanuel Cotman
- Faculty of Pharmacy, University of Ljubljana, Aškerčeva Cesta 7, SI-1000 Ljubljana, Slovenia
| | - Qi Zhang
- Hefei University of Technology, Hefei 230009, China
| | - Xinqiang Fang
- State Key Laboratory of Structural Chemistry, and Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, University of Chinese Academy of Sciences, Fuzhou 350100, China
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Lapa DP, Araújo LHS, Melo SR, Costa PRR, Caleffi GS. Ru(II)-Catalyzed Asymmetric Transfer Hydrogenation of α-Alkyl-β-Ketoaldehydes via Dynamic Kinetic Resolution. Molecules 2024; 29:3420. [PMID: 39064997 PMCID: PMC11279712 DOI: 10.3390/molecules29143420] [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: 06/22/2024] [Revised: 07/14/2024] [Accepted: 07/17/2024] [Indexed: 07/28/2024] Open
Abstract
The (R,R)-Teth-TsDPEN-Ru(II) complex promoted the one-pot double C=O reduction of α-alkyl-β-ketoaldehydes through asymmetric transfer hydrogenation/dynamic kinetic resolution (ATH-DKR) under mild conditions. In this process, ten anti-2-benzyl-1-phenylpropane-1,3-diols (85:15 to 92:8 dr) were obtained in good yields (41-87%) and excellent enantioselectivities (>99% ee for all compounds). Notably, the preferential reduction of the aldehyde moiety led to the in situ formation of 2-benzyl-3-hydroxy-1-phenylpropan-1-one intermediates. These intermediates played a crucial role in enhancing both reactivity and stereoselectivity through hydrogen bonding.
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Affiliation(s)
| | | | | | - Paulo R. R. Costa
- Laboratório de Química Bioorgânica, Instituto de Pesquisas de Produtos Naturais Walter Mors, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
| | - Guilherme S. Caleffi
- Laboratório de Química Bioorgânica, Instituto de Pesquisas de Produtos Naturais Walter Mors, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
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Demidoff FC, Caleffi GS, Figueiredo M, Costa PRR. Ru(II)-Catalyzed Asymmetric Transfer Hydrogenation of Chalcones in Water: Application to the Enantioselective Synthesis of Flavans BW683C and Tephrowatsin E. J Org Chem 2022; 87:14208-14222. [PMID: 36251770 DOI: 10.1021/acs.joc.2c01733] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The oxo-tethered-Ru(II) precatalyst promoted the one-pot C═C/C═O reduction of chalcones using sodium formate as the hydrogen source in water through asymmetric transfer hydrogenation. Twenty-seven 1,3-diarylpropan-1-ols were obtained in good to excellent yields (up to 96%) and enantiomeric purities (up to 98:2). Our data suggested that the enones are first reduced to the corresponding dihydrochalcones (1,4-selectivity) and then into 1,3-diarylpropan-1-ols (C═O reduction). The stereoelectronic effects of electron-donating and electron-withdrawing groups at the ortho, meta and para positions of both aromatic rings were evaluated. The 2-OH group at the B ring was well tolerated, allowing a straightforward enantioselective synthesis of two flavans through the Mitsunobu cyclization, the antiviral (S)-BW683C and the natural flavan (S)-tephrowatsin E.
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Affiliation(s)
- Felipe C Demidoff
- Laboratório de Química Bioorgânica (LQB), Instituto de Pesquisas de Produtos Naturais, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho, 373, Bloco H, Cidade Universitária, 21.941-902 Rio de Janeiro, Brasil
| | - Guilherme S Caleffi
- Laboratório de Química Bioorgânica (LQB), Instituto de Pesquisas de Produtos Naturais, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho, 373, Bloco H, Cidade Universitária, 21.941-902 Rio de Janeiro, Brasil
| | - Marcella Figueiredo
- Laboratório de Química Bioorgânica (LQB), Instituto de Pesquisas de Produtos Naturais, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho, 373, Bloco H, Cidade Universitária, 21.941-902 Rio de Janeiro, Brasil
| | - Paulo R R Costa
- Laboratório de Química Bioorgânica (LQB), Instituto de Pesquisas de Produtos Naturais, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho, 373, Bloco H, Cidade Universitária, 21.941-902 Rio de Janeiro, Brasil
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Ma J, Li W, He L, Lv H. Iridium-Catalyzed Chemoelective Asymmetric Hydrogenation of Conjugated Enones with Ferrocene-Based Multidentate Phosphine Ligands. Chem Commun (Camb) 2022; 58:5841-5844. [DOI: 10.1039/d2cc01583h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A series of novel and readily prepared ferrocene-based multidentate phosphine ligands (f-PNNO) have been developed and successfully used in iridium-catalyzed enantioselective 1,2-reduction of ,-unsaturated ketones, delivering chiral allylic alcohols in...
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Caleffi GS, Brum JDOC, Costa AT, Domingos JLO, Costa PRR. Asymmetric Transfer Hydrogenation of Arylidene-Substituted Chromanones and Tetralones Catalyzed by Noyori–Ikariya Ru(II) Complexes: One-Pot Reduction of C═C and C═O bonds. J Org Chem 2021; 86:4849-4858. [DOI: 10.1021/acs.joc.0c02981] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Guilherme S. Caleffi
- Laboratório de Química Bioorgânica, Instituto de Pesquisas de Produtos Naturais, Universidade Federal do Rio de Janeiro, 21941-902 Rio de Janeiro, Brazil
| | - Juliana de O. C. Brum
- Laboratório de Química Bioorgânica, Instituto de Pesquisas de Produtos Naturais, Universidade Federal do Rio de Janeiro, 21941-902 Rio de Janeiro, Brazil
- Instituto Militar de Engenharia, 22290-270 Rio de Janeiro, Brazil
| | - Angela T. Costa
- Laboratório de Química Bioorgânica, Instituto de Pesquisas de Produtos Naturais, Universidade Federal do Rio de Janeiro, 21941-902 Rio de Janeiro, Brazil
| | - Jorge L. O. Domingos
- Departamento de Química Orgânica, Instituto de Química, Universidade do Estado do Rio de Janeiro, 20550-900 Rio de Janeiro, Brazil
| | - Paulo R. R. Costa
- Laboratório de Química Bioorgânica, Instituto de Pesquisas de Produtos Naturais, Universidade Federal do Rio de Janeiro, 21941-902 Rio de Janeiro, Brazil
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