1
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Gao Y, Hu Y, Ye J, Ma Z, Feng J, Liu X, Lei P, Szostak M. Pd-NHC (NHC = N-Heterocyclic Carbene)-Catalyzed B-Alkyl Suzuki Cross-Coupling of 2-Pyridyl Ammonium Salts by N-C Activation: Application to the Discovery of Agrochemical Molecular Hybrids. Org Lett 2024; 26:2309-2314. [PMID: 38466078 DOI: 10.1021/acs.orglett.4c00549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2024]
Abstract
2-Alkylpyridines are a privileged scaffold throughout the realm of organic synthesis and play a key role in natural products, pharmaceuticals, and agrochemicals. Herein, we report the first B-alkyl Suzuki cross-coupling of 2-pyridyl ammonium salts to access functionalized 2-alkylpyridines. The use of well-defined, operationally simple Pd-NHCs permits for an exceptionally broad scope of the challenging B-alkyl C-N cross-coupling with organoboranes containing β-hydrogen, representing a novel method for the discovery of highly sought-after molecules for plant protection.
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Affiliation(s)
- Yanqing Gao
- Key Laboratory of Integrated Pest Management on the Loess Plateau of Ministry of Agriculture and Rural Affairs, College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Yuge Hu
- Key Laboratory of Integrated Pest Management on the Loess Plateau of Ministry of Agriculture and Rural Affairs, College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Jiuhui Ye
- Key Laboratory of Integrated Pest Management on the Loess Plateau of Ministry of Agriculture and Rural Affairs, College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Zhiqing Ma
- Key Laboratory of Integrated Pest Management on the Loess Plateau of Ministry of Agriculture and Rural Affairs, College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China
- Shaanxi Research Center of Biopesticide Engineering & Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Juntao Feng
- Key Laboratory of Integrated Pest Management on the Loess Plateau of Ministry of Agriculture and Rural Affairs, College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China
- Shaanxi Research Center of Biopesticide Engineering & Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Xili Liu
- Key Laboratory of Integrated Pest Management on the Loess Plateau of Ministry of Agriculture and Rural Affairs, College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China
- State Key Laboratory for Crop Stress Resistance and High-Efficiency Production, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Peng Lei
- Key Laboratory of Integrated Pest Management on the Loess Plateau of Ministry of Agriculture and Rural Affairs, College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China
- Shaanxi Research Center of Biopesticide Engineering & Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
- State Key Laboratory for Crop Stress Resistance and High-Efficiency Production, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Michal Szostak
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
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2
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Simons RT, Nandakumar M, Kwon K, Ayer SK, Venneti NM, Roizen JL. Directed Photochemically Mediated Nickel-Catalyzed (Hetero)arylation of Aliphatic C-H Bonds. J Am Chem Soc 2023; 145:10.1021/jacs.2c13409. [PMID: 36780585 PMCID: PMC10423309 DOI: 10.1021/jacs.2c13409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
Site-selective functionalization of unactivated C(sp3)-H centers is challenging because of the ubiquity and strength of alkyl C-H bonds. Herein, we disclose a position-selective C(sp3)-C(sp2) cross-coupling reaction. This process engages C(sp3)-H bonds and aryl bromides, utilizing catalytic quantities of a photoredox-capable molecule and a nickel precatalyst. Using this technology, selective C-H functionalization arises owing to a 1,6-hydrogen atom transfer (HAT) process that is guided by a pendant alcohol-anchored sulfamate ester. These transformations proceed directly from N-H bonds, in contrast to previous directed, radical-mediated, C-H arylation processes, which have relied on prior oxidation of the reactive nitrogen center in reactions with nucleophilic arenes. Moreover, these conditions promote arylation at secondary centers in good yields with excellent selectivity.
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Affiliation(s)
- R. Thomas Simons
- Duke University, Department of Chemistry, Box 90346, Durham, NC 27708, United States (before June 2021)
| | - Meganathan Nandakumar
- Duke University, Department of Chemistry, Box 90346, Durham, NC 27708, United States (before June 2021)
| | - Kitae Kwon
- Duke University, Department of Chemistry, Box 90346, Durham, NC 27708, United States (before June 2021)
| | - Suraj K. Ayer
- Duke University, Department of Chemistry, Box 90346, Durham, NC 27708, United States (before June 2021)
| | - Naresh M. Venneti
- Wayne State University, Department of Chemistry, Detroit, MI 48202, United States
| | - Jennifer L. Roizen
- Duke University, Department of Chemistry, Box 90346, Durham, NC 27708, United States (before June 2021)
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3
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Lin Q, Gong H, Wu F. Ni-Catalyzed Reductive Coupling of Heteroaryl Bromides with Tertiary Alkyl Halides. Org Lett 2022; 24:8996-9000. [DOI: 10.1021/acs.orglett.2c03598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
Affiliation(s)
- Quan Lin
- School of Materials Science and Engineering, Shanghai University, 99 Shang-Da Road, Shanghai 200444, China
- Center for Supramolecular Chemistry and Catalysis, Department of Chemistry, Shanghai University, 99 Shang-Da Road, Shanghai 200444, China
| | - Hegui Gong
- Center for Supramolecular Chemistry and Catalysis, Department of Chemistry, Shanghai University, 99 Shang-Da Road, Shanghai 200444, China
| | - Fan Wu
- Institute of Drug Discovery Technology and Qian Xuesen Collaborative Research Center of Astrochemistry and Space Life Sciences, Ningbo University, Ningbo, Zhejiang 315211, China
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4
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Setati B, Moshapo PT, Holzapfel CW, Maumela MC. Palladium-catalyzed Heck reactions promoted by limonene-derived bicyclic phosphines. SYNTHETIC COMMUN 2022. [DOI: 10.1080/00397911.2022.2093646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Boitumelo Setati
- Department of Chemical Sciences, Research Centre for Synthesis and Catalysis, University of Johannesburg, Johannesburg, South Africa
| | - Paseka Thendo Moshapo
- Department of Chemical Sciences, Research Centre for Synthesis and Catalysis, University of Johannesburg, Johannesburg, South Africa
| | - Cedric Wahl Holzapfel
- Department of Chemical Sciences, Research Centre for Synthesis and Catalysis, University of Johannesburg, Johannesburg, South Africa
| | - Munaka Christopher Maumela
- Department of Chemical Sciences, Research Centre for Synthesis and Catalysis, University of Johannesburg, Johannesburg, South Africa
- Sasol (Pty) Ltd, Research & Technology, Sasolburg, South Africa
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5
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Woo S, Shenvi RA. Synthesis and target annotation of the alkaloid GB18. Nature 2022; 606:917-921. [PMID: 35551513 PMCID: PMC10036212 DOI: 10.1038/s41586-022-04840-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 05/06/2022] [Indexed: 11/08/2022]
Abstract
Ingestion of alkaloid metabolites from the bark of Galbulimima (GB) sp. leads to psychotropic and excitatory effects in humans1-4. Limited, variable supply of GB alkaloids5, however, has impeded their biological exploration and clinical development6. Here we report a solution to the supply of GB18, a structural outlier and putative psychotropic principle of Galbulimima bark. Efficient access to its challenging tetrahedral attached-ring motif required the development of a ligand-controlled endo-selective cross-electrophile coupling and a diastereoselective hydrogenation of a rotationally dynamic pyridine. Reliable, gram-scale access to GB18 enabled its assignment as a potent antagonist of κ- and μ-opioid receptors-the first new targets in 35 years-and lays the foundation to navigate and understand the biological activity of Galbulimima metabolites.
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Affiliation(s)
- Stone Woo
- Department of Chemistry, Scripps Research, La Jolla, CA, USA
| | - Ryan A Shenvi
- Department of Chemistry, Scripps Research, La Jolla, CA, USA.
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6
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Dyadyuchenko LV, Dotsenko VV, Muraviev VS, Dmitrieva IG, Aksenov NA, Aksenova IV. Unusual regioselective reaction of 2,6-dichloro-4-methylnicotinonitrile with malononitrile dimer. Russ Chem Bull 2021. [DOI: 10.1007/s11172-021-3224-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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7
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Synthesis, structure, and properties of 2-[(4,6-di-tert-butyl-2,3-dihydroxyphenyl)thio]acetic acid amides. Russ Chem Bull 2021. [DOI: 10.1007/s11172-021-3225-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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8
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Yin Y, Zhao X, Jiang Z. Advances in the Synthesis of Imine‐Containing Azaarene Derivatives via Photoredox Catalysis. ChemCatChem 2020. [DOI: 10.1002/cctc.202000741] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Yanli Yin
- College of Bioengineering Henan University of Technology Zhengzhou Henan 450001 P. R. China
- School of Chemistry and Chemical Engineering Henan Normal University Xinxiang Henan 453007 P. R. China
| | - Xiaowei Zhao
- College of Pharmacy Henan University Kaifeng Henan 475004 P. R. China
| | - Zhiyong Jiang
- School of Chemistry and Chemical Engineering Henan Normal University Xinxiang Henan 453007 P. R. China
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9
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Nimmagadda SK, Korapati S, Dasgupta D, Malik NA, Vinodini A, Gangu AS, Kalidindi S, Maity P, Bondigela SS, Venu A, Gallagher WP, Aytar S, González-Bobes F, Vaidyanathan R. Development and Execution of an Ni(II)-Catalyzed Reductive Cross-Coupling of Substituted 2-Chloropyridine and Ethyl 3-Chloropropanoate. Org Process Res Dev 2020. [DOI: 10.1021/acs.oprd.0c00134] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Sri Krishna Nimmagadda
- Chemical Development and API Supply, Biocon Bristol-Myers Squibb Research and Development Center, Biocon Park, Jigani Link Road, Bommasandra IV, Bangalore-560 099, India
| | - Satish Korapati
- Chemical Development and API Supply, Biocon Bristol-Myers Squibb Research and Development Center, Biocon Park, Jigani Link Road, Bommasandra IV, Bangalore-560 099, India
| | - Debottam Dasgupta
- Chemical Development and API Supply, Biocon Bristol-Myers Squibb Research and Development Center, Biocon Park, Jigani Link Road, Bommasandra IV, Bangalore-560 099, India
| | - Noormohamed Abdul Malik
- Chemical Development and API Supply, Biocon Bristol-Myers Squibb Research and Development Center, Biocon Park, Jigani Link Road, Bommasandra IV, Bangalore-560 099, India
| | - Arun Vinodini
- Chemical Development and API Supply, Biocon Bristol-Myers Squibb Research and Development Center, Biocon Park, Jigani Link Road, Bommasandra IV, Bangalore-560 099, India
| | - Aravind S. Gangu
- Chemical Development and API Supply, Biocon Bristol-Myers Squibb Research and Development Center, Biocon Park, Jigani Link Road, Bommasandra IV, Bangalore-560 099, India
| | - Srinivas Kalidindi
- Chemical Development and API Supply, Biocon Bristol-Myers Squibb Research and Development Center, Biocon Park, Jigani Link Road, Bommasandra IV, Bangalore-560 099, India
| | - Prantik Maity
- Chemical Development and API Supply, Biocon Bristol-Myers Squibb Research and Development Center, Biocon Park, Jigani Link Road, Bommasandra IV, Bangalore-560 099, India
| | - Siva Sankar Bondigela
- Chemical Development and API Supply, Biocon Bristol-Myers Squibb Research and Development Center, Biocon Park, Jigani Link Road, Bommasandra IV, Bangalore-560 099, India
| | - Alla Venu
- Chemical Development and API Supply, Biocon Bristol-Myers Squibb Research and Development Center, Biocon Park, Jigani Link Road, Bommasandra IV, Bangalore-560 099, India
| | - William P. Gallagher
- Chemical Process Development, Bristol-Myers Squibb, 1 Squibb Drive, New Brunswick, New Jersey 08903, United States
| | - Selin Aytar
- Chemical Process Development, Bristol-Myers Squibb, 1 Squibb Drive, New Brunswick, New Jersey 08903, United States
| | - Francisco González-Bobes
- Chemical Process Development, Bristol-Myers Squibb, 1 Squibb Drive, New Brunswick, New Jersey 08903, United States
| | - Rajappa Vaidyanathan
- Chemical Development and API Supply, Biocon Bristol-Myers Squibb Research and Development Center, Biocon Park, Jigani Link Road, Bommasandra IV, Bangalore-560 099, India
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10
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Simons RT, Scott GE, Kanegusuku AG, Roizen JL. Photochemically Mediated Nickel-Catalyzed Synthesis of N-(Hetero)aryl Sulfamides. J Org Chem 2020; 85:6380-6391. [PMID: 32312047 PMCID: PMC7241444 DOI: 10.1021/acs.joc.0c00139] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
A general method for the N-arylation of sulfamides with aryl bromides is described. The protocol leverages a dual-catalytic system, with [Ir(ppy)2(dtbbpy)]PF6 as a photosensitizer, NiBr2·glyme as a precatalyst, and 1,8-diazabicyclo(5.4.0)undec-7-ene (DBU) as a base, and proceeds at room temperature under visible light irradiation. Using these tactics, aryl boronic esters and aryl chlorides can be carried through the reaction untouched. The developed reactions efficiently engage simple bromoarenes and primary sulfamides in between 66% and quantitative yields. For more challenging substrates, such as secondary sulfamides, the reaction efficiency is documented. Thereby, these methods complement the known Buchwald-Hartwig coupling methods for N-arylation of sulfamides.
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Affiliation(s)
- R Thomas Simons
- Department of Chemistry, Duke University, Box 90346, Durham, North Carolina 27708-0354, United States
| | - Georgia E Scott
- Department of Chemistry, Duke University, Box 90346, Durham, North Carolina 27708-0354, United States
| | - Anastasia Gant Kanegusuku
- Department of Chemistry, Duke University, Box 90346, Durham, North Carolina 27708-0354, United States
| | - Jennifer L Roizen
- Department of Chemistry, Duke University, Box 90346, Durham, North Carolina 27708-0354, United States
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11
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Wiles RJ, Molander GA. Photoredox-Mediated Net-Neutral Radical/Polar Crossover Reactions. Isr J Chem 2020; 60:281-293. [PMID: 33986554 PMCID: PMC8115720 DOI: 10.1002/ijch.201900166] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Accepted: 01/28/2020] [Indexed: 12/13/2022]
Abstract
Radical/Polar Crossover (RPC) chemistry is a rapidly growing subset of photoredox catalysis that is characterized by transformations featuring both radical and ionic modes of reactivity. Net-neutral RPC is particularly interesting in that both the single-electron oxidation and reduction steps occur through interaction with the photocatalyst, thus precluding the need for exogenous oxidants or reductants. As such, these transformations facilitate rapid incorporation of molecular complexity while maintaining mild reaction conditions. This review covers recent advances in photoredox-mediated net-neutral RPC synthetic methods, with a particular emphasis on C-C bond-forming reactions.
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Affiliation(s)
- Rebecca J Wiles
- Department of Chemistry, University of Pennsylvania, 231 S. 34 St. Philadelphia, PA 19104
| | - Gary A Molander
- Department of Chemistry, University of Pennsylvania, 231 S. 34 St. Philadelphia, PA 19104
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12
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Bartko SG, Hamzik PJ, Espindola L, Gomez C, Danheiser RL. Synthesis of Highly Substituted Pyridines via [4 + 2] Cycloadditions of Vinylallenes and Sulfonyl Cyanides. J Org Chem 2020; 85:548-563. [PMID: 31797669 DOI: 10.1021/acs.joc.9b02628] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A convergent strategy for the synthesis of multisubstituted pyridines is described. Vinylallenes combine with commercially available arylsulfonyl cyanides in Diels-Alder cycloadditions to generate isopyridine cycloadducts that are converted to pyridines upon further heating or addition of a base. The 2-sulfonylpyridine products undergo nucleophilic aromatic substitution reactions with oxygen and carbon nucleophiles to provide access to a variety of highly substituted pyridines.
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Affiliation(s)
- Samuel G Bartko
- Department of Chemistry , Massachusetts Institute of Technology , Cambridge , Massachusetts 02139 , United States
| | - Phillip J Hamzik
- Department of Chemistry , Massachusetts Institute of Technology , Cambridge , Massachusetts 02139 , United States
| | - Leandro Espindola
- Department of Chemistry , Massachusetts Institute of Technology , Cambridge , Massachusetts 02139 , United States
| | - Christian Gomez
- Department of Chemistry , Massachusetts Institute of Technology , Cambridge , Massachusetts 02139 , United States
| | - Rick L Danheiser
- Department of Chemistry , Massachusetts Institute of Technology , Cambridge , Massachusetts 02139 , United States
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13
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Blackburn JM, Kanegusuku ALG, Scott GE, Roizen JL. Photochemically-Mediated, Nickel-Catalyzed Synthesis of N-(Hetero)aryl Sulfamate Esters. Org Lett 2019; 21:7049-7054. [PMID: 31436104 PMCID: PMC7241445 DOI: 10.1021/acs.orglett.9b02621] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A general method is described for the coupling of (hetero)aryl bromides with O-alkyl sulfamate esters. The protocol relies on catalytic amounts of nickel and photoexcitable iridium complexes and proceeds under visible light irradiation at ambient temperature. This technology engages a broad range of simple and complex O-alkyl sulfamate ester substrates under mild conditions. Furthermore, it is possible to avoid undesirable N-alkylation, which was found to plague palladium-based protocols for N-arylation of O-alkyl sulfamate esters. These investigations represent the first use of sulfamate esters as nucleophiles in transition metal-catalyzed C-N coupling processes.
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Affiliation(s)
- J. Miles Blackburn
- Duke University, Department of Chemistry, Box 90346, Durham, NC 27708-0354
| | | | - Georgia E. Scott
- Duke University, Department of Chemistry, Box 90346, Durham, NC 27708-0354
| | - Jennifer L. Roizen
- Duke University, Department of Chemistry, Box 90346, Durham, NC 27708-0354
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14
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Vchislo NV. α,β‐Unsaturated Aldehydes as C‐Building Blocks in the Synthesis of Pyridines, 1,4‐Dihydropyridines and 1,2‐Dihydropyridines. ASIAN J ORG CHEM 2019. [DOI: 10.1002/ajoc.201900275] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- N. V. Vchislo
- A. E. Favorsky Irkutsk Institute of ChemistrySiberian Branch of the Russian Academy of Sciences 1 Favorsky Street 664033 Irkutsk Russian Federation
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