1
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Zhou X, Guo L, Zhang H, Xia RY, Yang C, Xia W. Nickel‐Catalyzed Reductive Acylation of Carboxylic Acids with Alkyl Halides and
N
‐Hydroxyphthalimide Esters Enabled by Electrochemical Process. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Xiao Zhou
- State Key Lab of Urban Water Resource and Environment School of Science Harbin Institute of Technology (Shenzhen) Shenzhen 518055 People's Republic of China
| | - Lin Guo
- State Key Lab of Urban Water Resource and Environment School of Science Harbin Institute of Technology (Shenzhen) Shenzhen 518055 People's Republic of China
| | - Haoxiang Zhang
- State Key Lab of Urban Water Resource and Environment School of Science Harbin Institute of Technology (Shenzhen) Shenzhen 518055 People's Republic of China
| | - Raymond Yang Xia
- The Affiliated International School of Shenzhen University Shenzhen 518054 People's Republic of China
| | - Chao Yang
- State Key Lab of Urban Water Resource and Environment School of Science Harbin Institute of Technology (Shenzhen) Shenzhen 518055 People's Republic of China
| | - Wujiong Xia
- State Key Lab of Urban Water Resource and Environment School of Science Harbin Institute of Technology (Shenzhen) Shenzhen 518055 People's Republic of China
- School of Chemistry and Chemical Engineering Henan Normal University Xinxiang Henan 453007 People's Republic of China
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2
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Pandey AK. Emerging Nickel Catalysis in Ketones Synthesis Using Carboxylic Acid Derivatives. ChemCatChem 2022. [DOI: 10.1002/cctc.202101982] [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)
- Ashok Kumar Pandey
- IICT CSIR: Indian Institute of Chemical Technology Fluoro-Agrochemicals Uppal RoadTarnaka 500007 Hyderbada INDIA
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3
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Xi X, Luo Y, Li W, Xu M, Zhao H, Chen Y, Zheng S, Qi X, Yuan W. From Esters to Ketones via a Photoredox‐Assisted Reductive Acyl Cross‐Coupling Strategy. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202114731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Xiaoxiang Xi
- Key Laboratory of Material Chemistry for Energy Conversion and Storage Ministry of Education Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica School of Chemistry and Chemical Engineering Huazhong University of Science and Technology (HUST) 1037 Luoyu Road Wuhan 430074 P. R. China
| | - Yixin Luo
- Engineering Research Center of Organosilicon Compounds & Materials Ministry of Education College of Chemistry and Molecular Sciences Wuhan University Wuhan Hubei 430072 P. R. China
| | - Weirong Li
- Key Laboratory of Material Chemistry for Energy Conversion and Storage Ministry of Education Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica School of Chemistry and Chemical Engineering Huazhong University of Science and Technology (HUST) 1037 Luoyu Road Wuhan 430074 P. R. China
| | - Minghao Xu
- Engineering Research Center of Organosilicon Compounds & Materials Ministry of Education College of Chemistry and Molecular Sciences Wuhan University Wuhan Hubei 430072 P. R. China
| | - Hongping Zhao
- Key Laboratory of Material Chemistry for Energy Conversion and Storage Ministry of Education Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica School of Chemistry and Chemical Engineering Huazhong University of Science and Technology (HUST) 1037 Luoyu Road Wuhan 430074 P. R. China
| | - Yukun Chen
- Key Laboratory of Material Chemistry for Energy Conversion and Storage Ministry of Education Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica School of Chemistry and Chemical Engineering Huazhong University of Science and Technology (HUST) 1037 Luoyu Road Wuhan 430074 P. R. China
| | - Songlin Zheng
- Key Laboratory of Material Chemistry for Energy Conversion and Storage Ministry of Education Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica School of Chemistry and Chemical Engineering Huazhong University of Science and Technology (HUST) 1037 Luoyu Road Wuhan 430074 P. R. China
| | - Xiaotian Qi
- Engineering Research Center of Organosilicon Compounds & Materials Ministry of Education College of Chemistry and Molecular Sciences Wuhan University Wuhan Hubei 430072 P. R. China
| | - Weiming Yuan
- Key Laboratory of Material Chemistry for Energy Conversion and Storage Ministry of Education Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica School of Chemistry and Chemical Engineering Huazhong University of Science and Technology (HUST) 1037 Luoyu Road Wuhan 430074 P. R. China
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4
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Xi X, Luo Y, Li W, Xu M, Zhao H, Chen Y, Zheng S, Qi X, Yuan W. From Esters to Ketones via a Photoredox-Assisted Reductive Acyl Cross-Coupling Strategy. Angew Chem Int Ed Engl 2021; 61:e202114731. [PMID: 34783143 DOI: 10.1002/anie.202114731] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Indexed: 12/14/2022]
Abstract
A method was developed for ketone synthesis via a photoredox-assisted reductive acyl cross-coupling (PARAC) using a nickel/photoredox dual-catalyzed cross-electrophile coupling of two different carboxylic acid esters. A variety of aryl, 1°, 2°, 3°-alkyl 2-pyridyl esters can act as acyl electrophiles while N-(acyloxy)phthalimides (NHPI esters) act as 1°, 2°, 3°-radical precursors. Our PARAC strategy provides an alternative and reliable way to synthesize various sterically congested 3°-3°, 3°-2°, and aryl-3° ketones under mild and highly unified conditions, which have been otherwise difficult to access. The combined experimental and computational studies identified a Ni0 /NiI /NiIII pathway for ketone formation.
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Affiliation(s)
- Xiaoxiang Xi
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), 1037 Luoyu Road, Wuhan, 430074, P. R. China
| | - Yixin Luo
- Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, Hubei, 430072, P. R. China
| | - Weirong Li
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), 1037 Luoyu Road, Wuhan, 430074, P. R. China
| | - Minghao Xu
- Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, Hubei, 430072, P. R. China
| | - Hongping Zhao
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), 1037 Luoyu Road, Wuhan, 430074, P. R. China
| | - Yukun Chen
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), 1037 Luoyu Road, Wuhan, 430074, P. R. China
| | - Songlin Zheng
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), 1037 Luoyu Road, Wuhan, 430074, P. R. China
| | - Xiaotian Qi
- Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, Hubei, 430072, P. R. China
| | - Weiming Yuan
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), 1037 Luoyu Road, Wuhan, 430074, P. R. China
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5
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Wang J, Hoerrner ME, Watson MP, Weix DJ. Nickel-Catalyzed Synthesis of Dialkyl Ketones from the Coupling of N-Alkyl Pyridinium Salts with Activated Carboxylic Acids. Angew Chem Int Ed Engl 2020; 59:13484-13489. [PMID: 32374951 PMCID: PMC7397811 DOI: 10.1002/anie.202002271] [Citation(s) in RCA: 81] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 03/27/2020] [Indexed: 12/11/2022]
Abstract
While ketones are among the most versatile functional groups, their synthesis remains reliant upon reactive and low-abundance starting materials. In contrast, amide formation is the most-used bond-construction method in medicinal chemistry because the chemistry is reliable and draws upon large and diverse substrate pools. A new method for the synthesis of ketones is presented here that draws from the same substrates used for amide bond synthesis: amines and carboxylic acids. A nickel terpyridine catalyst couples N-alkyl pyridinium salts with in situ formed carboxylic acid fluorides or 2-pyridyl esters under reducing conditions (Mn metal). The reaction has a broad scope, as demonstrated by the synthesis of 35 different ketones bearing a wide variety of functional groups with an average yield of 60±16 %. This approach is capable of coupling diverse substrates, including pharmaceutical intermediates, to rapidly form complex ketones.
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Affiliation(s)
- Jiang Wang
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI 53706 (USA)
| | - Megan E. Hoerrner
- Department of Chemistry and Biochemistry, University of Delaware, Newark, DE 19716 (USA)
| | - Mary P. Watson
- Department of Chemistry and Biochemistry, University of Delaware, Newark, DE 19716 (USA)
| | - Daniel J. Weix
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI 53706 (USA)
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6
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Wang J, Hoerrner ME, Watson MP, Weix DJ. Nickel‐Catalyzed Synthesis of Dialkyl Ketones from the Coupling of N‐Alkyl Pyridinium Salts with Activated Carboxylic Acids. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202002271] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Jiang Wang
- Department of Chemistry University of Wisconsin-Madison Madison WI 53706 USA
| | - Megan E. Hoerrner
- Department of Chemistry and Biochemistry University of Delaware Newark DE 19716 USA
| | - Mary P. Watson
- Department of Chemistry and Biochemistry University of Delaware Newark DE 19716 USA
| | - Daniel J. Weix
- Department of Chemistry University of Wisconsin-Madison Madison WI 53706 USA
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7
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Schwaller P, Petraglia R, Zullo V, Nair VH, Haeuselmann RA, Pisoni R, Bekas C, Iuliano A, Laino T. Predicting retrosynthetic pathways using transformer-based models and a hyper-graph exploration strategy. Chem Sci 2020; 11:3316-3325. [PMID: 34122839 PMCID: PMC8152799 DOI: 10.1039/c9sc05704h] [Citation(s) in RCA: 143] [Impact Index Per Article: 35.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Accepted: 03/02/2020] [Indexed: 12/20/2022] Open
Abstract
We present an extension of our Molecular Transformer model combined with a hyper-graph exploration strategy for automatic retrosynthesis route planning without human intervention. The single-step retrosynthetic model sets a new state of the art for predicting reactants as well as reagents, solvents and catalysts for each retrosynthetic step. We introduce four metrics (coverage, class diversity, round-trip accuracy and Jensen-Shannon divergence) to evaluate the single-step retrosynthetic models, using the forward prediction and a reaction classification model always based on the transformer architecture. The hypergraph is constructed on the fly, and the nodes are filtered and further expanded based on a Bayesian-like probability. We critically assessed the end-to-end framework with several retrosynthesis examples from literature and academic exams. Overall, the frameworks have an excellent performance with few weaknesses related to the training data. The use of the introduced metrics opens up the possibility to optimize entire retrosynthetic frameworks by focusing on the performance of the single-step model only.
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Affiliation(s)
| | | | - Valerio Zullo
- Department of Chemistry and Industrial Chemistry, University of Pisa Pisa Italy
| | | | | | | | | | - Anna Iuliano
- Department of Chemistry and Industrial Chemistry, University of Pisa Pisa Italy
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8
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Wang J, Cary BP, Beyer PD, Gellman SH, Weix DJ. Ketones from Nickel-Catalyzed Decarboxylative, Non-Symmetric Cross-Electrophile Coupling of Carboxylic Acid Esters. Angew Chem Int Ed Engl 2019; 58:12081-12085. [PMID: 31287943 PMCID: PMC6707838 DOI: 10.1002/anie.201906000] [Citation(s) in RCA: 85] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Indexed: 12/22/2022]
Abstract
Synthesis of the C-C bonds of ketones relies upon one high-availability reagent (carboxylic acids) and one low-availability reagent (organometallic reagents or alkyl iodides). We demonstrate here a ketone synthesis that couples two different carboxylic acid esters, N-hydroxyphthalimide esters and S-2-pyridyl thioesters, to form aryl alkyl and dialkyl ketones in high yields. The keys to this approach are the use of a nickel catalyst with an electron-poor bipyridine or terpyridine ligand, a THF/DMA mixed solvent system, and ZnCl2 to enhance the reactivity of the NHP ester. The resulting reaction can be used to form ketones that have previously been difficult to access, such as hindered tertiary/tertiary ketones with strained rings and ketones with α-heteroatoms. The conditions can be employed in the coupling of complex fragments, including a 20-mer peptide fragment analog of Exendin(9-39) on solid support.
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Affiliation(s)
- Jiang Wang
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI, 53706, USA
| | - Brian P Cary
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI, 53706, USA
| | - Peyton D Beyer
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI, 53706, USA
| | - Samuel H Gellman
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI, 53706, USA
| | - Daniel J Weix
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI, 53706, USA
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9
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Wang J, Cary BP, Beyer PD, Gellman SH, Weix DJ. Ketones from Nickel‐Catalyzed Decarboxylative, Non‐Symmetric Cross‐Electrophile Coupling of Carboxylic Acid Esters. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201906000] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Jiang Wang
- Department of Chemistry University of Wisconsin-Madison Madison WI 53706 USA
| | - Brian P. Cary
- Department of Chemistry University of Wisconsin-Madison Madison WI 53706 USA
| | - Peyton D. Beyer
- Department of Chemistry University of Wisconsin-Madison Madison WI 53706 USA
| | - Samuel H. Gellman
- Department of Chemistry University of Wisconsin-Madison Madison WI 53706 USA
| | - Daniel J. Weix
- Department of Chemistry University of Wisconsin-Madison Madison WI 53706 USA
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10
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Luo L, Zhai XY, Wang YW, Peng Y, Gong H. Divergent Total Syntheses of C3 a−C7′ Linked Diketopiperazine Alkaloids (+)-Asperazine and (+)-Pestalazine A Enabled by a Ni-Catalyzed Reductive Coupling of Tertiary Alkyl Chloride. Chemistry 2018; 25:989-992. [DOI: 10.1002/chem.201805682] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Indexed: 12/17/2022]
Affiliation(s)
- Long Luo
- State Key Laboratory of Applied Organic Chemistry; Lanzhou University; Lanzhou Gansu 730000 P. R. China
| | - Xiao-Yong Zhai
- State Key Laboratory of Applied Organic Chemistry; Lanzhou University; Lanzhou Gansu 730000 P. R. China
| | - Ya-Wen Wang
- State Key Laboratory of Applied Organic Chemistry; Lanzhou University; Lanzhou Gansu 730000 P. R. China
- School of Life Science and Engineering; Southwest Jiaotong University; Chengdu 610031 P. R. China
| | - Yu Peng
- State Key Laboratory of Applied Organic Chemistry; Lanzhou University; Lanzhou Gansu 730000 P. R. China
- School of Life Science and Engineering; Southwest Jiaotong University; Chengdu 610031 P. R. China
| | - Hegui Gong
- School of Materials Science and Engineering, Center for Supramolecular Chemistry and Catalysis and Department of Chemistry; Shanghai University; 99 Shang-Da Road Shanghai 200444 P. R. China
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