1
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Kellner-Rogers JS, Wang R, Lambert TH. Diazene-Catalyzed Oxidative Alkyl Halide-Olefin Metathesis. Org Lett 2024; 26:1078-1082. [PMID: 38295157 PMCID: PMC10947577 DOI: 10.1021/acs.orglett.3c04309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2024]
Abstract
The first platform for oxidative alkyl halide-olefin metathesis is described. The procedure employs diazenes as catalysts, which effect the cyclization of alkenyl alkyl halides to generate cyclic olefins and carbonyl products. The synthesis of phenanthrene, coumarin, and quinolone derivatives is demonstrated as well as the potential to apply this strategy to other electrophiles.
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Affiliation(s)
| | - Rina Wang
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, USA
| | - Tristan H. Lambert
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, USA
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2
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Pizzio MG, Cenizo ZB, Méndez L, Sarotti AM, Mata EG. InCl 3-catalyzed intramolecular carbonyl-olefin metathesis. Org Biomol Chem 2023; 21:8141-8151. [PMID: 37779456 DOI: 10.1039/d3ob01170d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/03/2023]
Abstract
An efficient and novel synthetic strategy for the generation of different carbocyclic moieties by ring closing carbonyl-olefin metathesis is reported. Herein, we describe a sustainably attractive protocol for one of the most powerful carbon-carbon bond-forming reactions, based on solvent-reduction, use of InCl3 catalyst, and microwave irradiation, affording target compounds with yields up to 96%.
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Affiliation(s)
- Marianela G Pizzio
- Instituto de Química Rosario, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario-CONICET, Suipacha 531, S2002LRK, Rosario, Argentina.
| | - Zoe B Cenizo
- Instituto de Química Rosario, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario-CONICET, Suipacha 531, S2002LRK, Rosario, Argentina.
| | - Luciana Méndez
- Instituto de Química Rosario, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario-CONICET, Suipacha 531, S2002LRK, Rosario, Argentina.
| | - Ariel M Sarotti
- Instituto de Química Rosario, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario-CONICET, Suipacha 531, S2002LRK, Rosario, Argentina.
| | - Ernesto G Mata
- Instituto de Química Rosario, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario-CONICET, Suipacha 531, S2002LRK, Rosario, Argentina.
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3
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Zhao F, Li Y, Houk KN, Lu Q, Liu F. Computational Elucidation on the Conformational Control of Selectivity in Intramolecular Ring-Closing Metathesis vs Intermolecular Homometathesis. J Org Chem 2023. [PMID: 37364253 DOI: 10.1021/acs.joc.3c00466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/28/2023]
Abstract
The ring-closing metathesis reaction of diene plays an important role in the construction of cyclic compounds. In this research, density functional theory (DFT) calculations were conducted to elucidate the mechanisms and origins of the selectivity of ring-closing metathesis and homometathesis. The computational results suggest that the selectivity is determined by the substrate conformation. For the ester-tethered substrate, the homometathesis is more favorable, due to the planar structure of ester facilitating the conjugative effect of the formed E-homometathesis product. For the amide-tethered substrate, the ring-closing metathesis product is the only observed product because the steric hindrance of N-substituents disfavors homometathesis.
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Affiliation(s)
- Fengyue Zhao
- College of Sciences, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
| | - Yixuan Li
- College of Sciences, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
| | - K N Houk
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
| | - Qianqian Lu
- College of Sciences, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
| | - Fang Liu
- College of Sciences, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
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4
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To TA, Mai BK, Nguyen TV. Toward Homogeneous Brønsted-Acid-Catalyzed Intramolecular Carbonyl-Olefin Metathesis Reactions. Org Lett 2022; 24:7237-7241. [PMID: 36166378 DOI: 10.1021/acs.orglett.2c03099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The carbonyl-olefin metathesis (COM) reaction is an attractive approach for the formation of a new carbon-carbon double bond from a carbonyl precursor. In principle, this reaction can be promoted by the activation of the carbonyl group with a Brønsted acid catalyst; however, it is often complicated as a result of unwanted side reactions under acidic conditions. Thus, there have been only a very few examples of Brønsted-acid-catalyzed COM reactions, all of which required specially designed setups. Herein, we report a new practical homogeneous Brønsted-acid-catalyzed protocol using nitromethane, a readily available solvent, to promote intramolecular ring-closing COM reactions.
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Affiliation(s)
- Tuong Anh To
- School of Chemistry, University of New South Wales, Sydney, New South Wales 2052, Australia
| | - Binh Khanh Mai
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
| | - Thanh Vinh Nguyen
- School of Chemistry, University of New South Wales, Sydney, New South Wales 2052, Australia
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5
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Abstract
The ring-opening carbonyl-olefin metathesis of cyclobutenes to furnish γ,δ-unsaturated aldehydes-formal Claisen rearrangement products-is reported. The bistrifluoroacetic acid salt of 2,3-diazabicyclo[2.2.2]octane promotes these reactions efficiently with a variety of cyclobutenes and aldehydes, including aliphatic, α,β-unsaturated, aryl, and heteroaryl aldehydes. Catalytic reactions are also demonstrated.
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Affiliation(s)
- Maxwell G. Holl
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Tristan H. Lambert
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
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6
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Anh To T, Pei C, Koenigs RM, Vinh Nguyen T. Hydrogen Bonding Networks Enable Brønsted Acid-Catalyzed Carbonyl-Olefin Metathesis. Angew Chem Int Ed Engl 2022; 61:e202117366. [PMID: 34985790 PMCID: PMC9303705 DOI: 10.1002/anie.202117366] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Indexed: 12/18/2022]
Abstract
Synthetic chemists have learned to mimic nature in using hydrogen bonds and other weak interactions to dictate the spatial arrangement of reaction substrates and to stabilize transition states to enable highly efficient and selective reactions. The activation of a catalyst molecule itself by hydrogen-bonding networks, in order to enhance its catalytic activity to achieve a desired reaction outcome, is less explored in organic synthesis, despite being a commonly found phenomenon in nature. Herein, we show our investigation into this underexplored area by studying the promotion of carbonyl-olefin metathesis reactions by hydrogen-bonding-assisted Brønsted acid catalysis, using hexafluoroisopropanol (HFIP) solvent in combination with para-toluenesulfonic acid (pTSA). Our experimental and computational mechanistic studies reveal not only an interesting role of HFIP solvent in assisting pTSA Brønsted acid catalyst, but also insightful knowledge about the current limitations of the carbonyl-olefin metathesis reaction.
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Affiliation(s)
- Tuong Anh To
- School of ChemistryUniversity of New South Wales, Sydney Anzac ParadeKensingtonNSW2052Australia
| | - Chao Pei
- Institute of Organic ChemistryRWTH AachenLandoltweg 152074AachenGermany
| | - Rene M. Koenigs
- Institute of Organic ChemistryRWTH AachenLandoltweg 152074AachenGermany
| | - Thanh Vinh Nguyen
- School of ChemistryUniversity of New South Wales, Sydney Anzac ParadeKensingtonNSW2052Australia
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7
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Anh To T, Pei C, Koenigs RM, Vinh Nguyen T. Hydrogen Bonding Networks Enable Brønsted Acid‐Catalyzed Carbonyl‐Olefin Metathesis**. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202117366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Tuong Anh To
- School of Chemistry University of New South Wales, Sydney Anzac Parade Kensington NSW 2052 Australia
| | - Chao Pei
- Institute of Organic Chemistry RWTH Aachen Landoltweg 1 52074 Aachen Germany
| | - Rene M. Koenigs
- Institute of Organic Chemistry RWTH Aachen Landoltweg 1 52074 Aachen Germany
| | - Thanh Vinh Nguyen
- School of Chemistry University of New South Wales, Sydney Anzac Parade Kensington NSW 2052 Australia
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8
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Cho EK, Quach PK, Zhang Y, Sim JH, Lambert TH. Polycyclic Heteroaromatics via Hydrazine-Catalyzed Ring-Closing Carbonyl-Olefin Metathesis. Chem Sci 2022; 13:2418-2422. [PMID: 35310495 PMCID: PMC8864716 DOI: 10.1039/d1sc06234d] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 01/29/2022] [Indexed: 11/24/2022] Open
Abstract
The use of hydrazine-catalyzed ring-closing carbonyl–olefin metathesis (RCCOM) to synthesize polycyclic heteroaromatic (PHA) compounds is described. In particular, substrates bearing Lewis basic functionalities such as pyridine rings and amines, which strongly inhibit acid catalyzed RCCOM reactions, are shown to be compatible with this reaction. Using 5 mol% catalyst loadings, a variety of PHA structures can be synthesized from biaryl alkenyl aldehydes, which themselves are readily prepared by cross-coupling. Hydrazine catalysis enables the ring-closing carbonyl–olefin metathesis (RCCOM) to form polycyclic heteroaromatics, especially those with basic functionality.![]()
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Affiliation(s)
- Eun Kee Cho
- Department of Chemistry and Chemical Biology, Cornell University Ithaca New York 14853 USA
| | - Phong K Quach
- Department of Chemistry and Chemical Biology, Cornell University Ithaca New York 14853 USA
| | - Yunfei Zhang
- Department of Chemistry and Chemical Biology, Cornell University Ithaca New York 14853 USA
| | - Jae Hun Sim
- Department of Chemistry and Chemical Biology, Cornell University Ithaca New York 14853 USA
| | - Tristan H Lambert
- Department of Chemistry and Chemical Biology, Cornell University Ithaca New York 14853 USA
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9
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Chen Y, Liu D, Wang R, Xu L, Tan J, Shu M, Tian L, Jin Y, Zhang X, Lin Z. Brønsted Acid-Catalyzed Carbonyl-Olefin Metathesis: Synthesis of Phenanthrenes via Phosphomolybdic Acid as a Catalyst. J Org Chem 2021; 87:351-362. [PMID: 34928599 DOI: 10.1021/acs.joc.1c02385] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Compared with the impressive achievements of catalytic carbonyl-olefin metathesis (CCOM) mediated by Lewis acid catalysts, exploration of the CCOM through Brønsted acid-catalyzed approaches remains quite challenging. Herein, we disclose a synthetic protocol for the construction of a valuable polycycle scaffold through the CCOM with the inexpensive, nontoxic phosphomolybdic acid as a catalyst. The current annulations could realize carbonyl-olefin, carbonyl-alcohol, and acetal-alcohol in situ CCOM reactions and feature mild reaction conditions, simple manipulation, and scalability, making this strategy a promising alternative to the Lewis acid-catalyzed COM reaction.
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Affiliation(s)
- Yi Chen
- School of Pharmacy & Bioengineering, Chongqing University of Technology, Chongqing 400054, China
| | - Di Liu
- School of Pharmacy & Bioengineering, Chongqing University of Technology, Chongqing 400054, China
| | - Rui Wang
- School of Pharmacy & Bioengineering, Chongqing University of Technology, Chongqing 400054, China.,Chongqing Key Laboratory of Medicinal Chemistry & Molecular Pharmacology, Chongqing University of Technology, Chongqing 400054, China
| | - Li Xu
- School of Pharmacy & Bioengineering, Chongqing University of Technology, Chongqing 400054, China
| | - Jingyao Tan
- School of Pharmacy & Bioengineering, Chongqing University of Technology, Chongqing 400054, China
| | - Mao Shu
- School of Pharmacy & Bioengineering, Chongqing University of Technology, Chongqing 400054, China
| | - Lingfeng Tian
- School of Pharmacy & Bioengineering, Chongqing University of Technology, Chongqing 400054, China
| | - Yuan Jin
- School of Pharmacy & Bioengineering, Chongqing University of Technology, Chongqing 400054, China
| | - Xiaoke Zhang
- Guizhou Provincial College-based Key Lab for Tumor Prevention and Treatment with Distinctive Medicines, Zunyi Medical University, Zunyi 563006, China
| | - Zhihua Lin
- School of Pharmacy & Bioengineering, Chongqing University of Technology, Chongqing 400054, China
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10
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Albright H, Davis AJ, Gomez-Lopez JL, Vonesh HL, Quach PK, Lambert TH, Schindler CS. Carbonyl-Olefin Metathesis. Chem Rev 2021; 121:9359-9406. [PMID: 34133136 DOI: 10.1021/acs.chemrev.0c01096] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
This Review describes the development of strategies for carbonyl-olefin metathesis reactions relying on stepwise, stoichiometric, or catalytic approaches. A comprehensive overview of currently available methods is provided starting with Paternò-Büchi cycloadditions between carbonyls and alkenes, followed by fragmentation of the resulting oxetanes, metal alkylidene-mediated strategies, [3 + 2]-cycloaddition approaches with strained hydrazines as organocatalysts, Lewis acid-mediated and Lewis acid-catalyzed strategies relying on the formation of intermediate oxetanes, and protocols based on initial carbon-carbon bond formation between carbonyls and alkenes and subsequent Grob-fragmentations. The Review concludes with an overview of applications of these currently available methods for carbonyl-olefin metathesis in complex molecule synthesis. Over the past eight years, the field of carbonyl-olefin metathesis has grown significantly and expanded from stoichiometric reaction protocols to efficient catalytic strategies for ring-closing, ring-opening, and cross carbonyl-olefin metathesis. The aim of this Review is to capture the status quo of the field and is expected to contribute to further advancements in carbonyl-olefin metathesis in the coming years.
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Affiliation(s)
- Haley Albright
- University of Michigan, Department of Chemistry, Willard Henry Dow Laboratory, 930 North University Avenue, Ann Arbor, Michigan 48109, United States
| | - Ashlee J Davis
- University of Michigan, Department of Chemistry, Willard Henry Dow Laboratory, 930 North University Avenue, Ann Arbor, Michigan 48109, United States
| | - Jessica L Gomez-Lopez
- University of Michigan, Department of Chemistry, Willard Henry Dow Laboratory, 930 North University Avenue, Ann Arbor, Michigan 48109, United States
| | - Hannah L Vonesh
- University of Michigan, Department of Chemistry, Willard Henry Dow Laboratory, 930 North University Avenue, Ann Arbor, Michigan 48109, United States
| | - Phong K Quach
- Cornell University, Department of Chemistry and Chemical Biology, 253 East Avenue, Ithaca, New York 14850, United States
| | - Tristan H Lambert
- Cornell University, Department of Chemistry and Chemical Biology, 253 East Avenue, Ithaca, New York 14850, United States
| | - Corinna S Schindler
- University of Michigan, Department of Chemistry, Willard Henry Dow Laboratory, 930 North University Avenue, Ann Arbor, Michigan 48109, United States
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