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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Hazra S, Mahato S, Kanti Das K, Panda S. Transition-Metal-Free Heterocyclic Carbon-Boron Bond Formation. Chemistry 2022; 28:e202200556. [PMID: 35438817 DOI: 10.1002/chem.202200556] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Indexed: 12/16/2022]
Abstract
Heteroaryl boronic acids and esters are extremely important and valuable intermediates because of their wide application in the synthesis of marketed drugs and bioactive compounds. Over the last couple of decades, the construction of highly important heteroaryl carbon-boron bonds has created huge attention. The transition-metal-free protocols are more green, less sensitive to air and moisture, and also economically advantageous over the transition-metal-based protocols. The transition-metal-free C-H borylation of heteroarenes and C-X (X=halogen) borylation of heteroaryl halides represents an excellent approach for their synthesis. Also, various cyclization and alkyne activation protocols have been recently established for their synthesis. The goal of this review article is to summarize the existing literature and the current state of the art for transition-metal-free synthesis of heteroaryl boronic acid and esters.
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Affiliation(s)
- Subrata Hazra
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
| | - Somenath Mahato
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
| | - Kanak Kanti Das
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
| | - Santanu Panda
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
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5
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Volochnyuk DM, Gorlova AO, Grygorenko OO. Saturated Boronic Acids, Boronates, and Trifluoroborates: An Update on Their Synthetic and Medicinal Chemistry. Chemistry 2021; 27:15277-15326. [PMID: 34499378 DOI: 10.1002/chem.202102108] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Indexed: 12/13/2022]
Abstract
This review discusses recent advances in the chemistry of saturated boronic acids, boronates, and trifluoroborates. Applications of the title compounds in the design of boron-containing drugs are surveyed, with special emphasis on α-amino boronic derivatives. A general overview of saturated boronic compounds as modern tools to construct C(sp3 )-C and C(sp3 )-heteroatom bonds is given, including recent developments in the Suzuki-Miyaura and Chan-Lam cross-couplings, single-electron-transfer processes including metallo- and organocatalytic photoredox reactions, and transformations of boron "ate" complexes. Finally, an attempt to summarize the current state of the art in the synthesis of saturated boronic acids, boronates, and trifluoroborates is made, with a brief mention of the "classical" methods (transmetallation of organolithium/magnesium reagents with boron species, anti-Markovnikov hydroboration of alkenes, and the modification of alkenyl boron compounds) and a special focus on recent methodologies (boronation of alkyl (pseudo)halides, derivatives of carboxylic acids, alcohols, and primary amines, boronative C-H activation, novel approaches to alkene hydroboration, and 1,2-metallate-type rearrangements).
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Affiliation(s)
- Dmitriy M Volochnyuk
- Enamine Ltd. (www.enamine.net), Chervonotkatska 78, Kyiv, 02094, Ukraine.,Taras Shevchenko National University of Kyiv, Volodymyrska Street 60, Kyiv, 01601, Ukraine.,Institute of Organic Chemistry, National Academy of Sciences of Ukraine, Murmanska Street 5, Kyiv, 02094, Ukraine
| | - Alina O Gorlova
- Institute of Organic Chemistry, National Academy of Sciences of Ukraine, Murmanska Street 5, Kyiv, 02094, Ukraine
| | - Oleksandr O Grygorenko
- Enamine Ltd. (www.enamine.net), Chervonotkatska 78, Kyiv, 02094, Ukraine.,Taras Shevchenko National University of Kyiv, Volodymyrska Street 60, Kyiv, 01601, Ukraine
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6
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Adamovich V, Benavent L, Boudreault PLT, Esteruelas MA, López AM, Oñate E, Tsai JY. Pseudo-Tris(heteroleptic) Red Phosphorescent Iridium(III) Complexes Bearing a Dianionic C, N, C', N'-Tetradentate Ligand. Inorg Chem 2021; 60:11347-11363. [PMID: 34291933 PMCID: PMC9179949 DOI: 10.1021/acs.inorgchem.1c01303] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
![]()
1-Phenyl-3-(1-phenyl-1-(pyridin-2-yl)ethyl)isoquinoline
(H2MeL) has been prepared by Pd(N-XantPhos)-catalyzed
“deprotonative cross-coupling processes”
to synthesize new phosphorescent red iridium(III) emitters (601–732
nm), including the carbonyl derivative Ir(κ4-cis-C,C′-cis-N,N′-MeL)Cl(CO)
and the acetylacetonate compound Ir(κ4-cis-C,C′-cis-N,N′-MeL)(acac). The tetradentate
6e-donor ligand (6tt′) of these complexes is formed by two
different bidentate units, namely, an orthometalated 2-phenylisoquinoline
and an orthometalated 2-benzylpyridine. The link between the bidentate
units reduces the number of possible stereoisomers of the structures
[6tt′ + 3b] (3b = bidentate 3e-donor ligand), with respect
to a [3b + 3b′ + 3b″] emitter containing three free
bidentate units, and it permits a noticeable stereocontrol. Thus,
the isomers fac-Ir(κ4-cis-C,C′-cis-N,N′-MeL){κ2-C,N-(C6H4-py)}, mer-Ir(κ4-cis-C,C′-cis-N,N′-MeL){κ2-C,N-(C6H3R-py)}, and mer-Ir(κ4-trans-C,C′-cis-N,N′-MeL){κ2-C,N-(C6HR-py)} (R =
H, Me) have also been selectively obtained. The new emitters display
short lifetimes (0.7–4.6 μs) and quantum yields in a
doped poly(methyl methacrylate) film at 5 wt % and 2-methyltetrahydrofuran
at room temperature between 0.08 and 0.58. The acetylacetonate complex
Ir(κ4-cis-C,C′-cis-N,N′-MeL)(acac) has been used as a dopant for a red
PhOLED device with an electroluminescence λmax of
672 nm and an external quantum efficiency of 3.4% at 10 mA/cm2. The proligand 1-phenyl-3-(1-phenyl-1-(pyridine-2-yl)ethyl)isoquinoline
is used to generate a new family of neutral phosphorescent red iridium(III)
emitters containing a tetradentate ligand, formed by two different
bidentate units, and a third bidentate ligand with a good stereocontrol
of the resulting [6tt′ + 3b] products. One of the new emitters
has been used in the fabrication of an OLED device.
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Affiliation(s)
- Vadim Adamovich
- Universal Display Corporation, Ewing, New Jersey 08618, United States
| | - Llorenç Benavent
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | | | - Miguel A Esteruelas
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Ana M López
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Enrique Oñate
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Jui-Yi Tsai
- Universal Display Corporation, Ewing, New Jersey 08618, United States
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7
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Hinkes SPA, Kämmerer S, Klein CDP. Diversity-oriented synthesis of peptide-boronic acids by a versatile building-block approach. Chem Sci 2020; 11:9898-9903. [PMID: 34094250 PMCID: PMC8162117 DOI: 10.1039/d0sc03999c] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 08/20/2020] [Indexed: 12/25/2022] Open
Abstract
A new strategy for the synthesis of peptide-boronic acids (PBAs) is presented. 20 Fmoc-protected natural amino acids with orthogonal side-chain protection were straightforwardly converted into their corresponding boron analogues in three simple steps. Subsequent immobilisation on commercially available 1-glycerol polystyrene resin and on-resin transformations yielded a diversity of sequences in high purity. The strategy eliminates various synthetic obstacles such as multi-step routes, low yields, and inseparable impurities. The described method comprises great potential to be implemented in automated combinatorial approaches by markedly facilitating the access to a variety of PBAs. The coupling of amino acids or other building blocks with α-aminoboronates allows the creation of hybrid molecules with significant potential in various scientific disciplines, such as medicinal chemistry, structural biology, and materials science.
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Affiliation(s)
- Stefan P A Hinkes
- Department of Medicinal Chemistry, Institute of Pharmacy and Molecular Biotechnology (IPMB), Heidelberg University Im Neuenheimer Feld 364 69120 Heidelberg Germany
| | - Severin Kämmerer
- Department of Medicinal Chemistry, Institute of Pharmacy and Molecular Biotechnology (IPMB), Heidelberg University Im Neuenheimer Feld 364 69120 Heidelberg Germany
| | - Christian D P Klein
- Department of Medicinal Chemistry, Institute of Pharmacy and Molecular Biotechnology (IPMB), Heidelberg University Im Neuenheimer Feld 364 69120 Heidelberg Germany
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8
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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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9
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N-heterocyclic carbene-Pd(II)-2-methyl-4,5-dihydrooxazole complex-catalyzed highly chemoselective mono-amination of dichlorobenzenes. Tetrahedron 2020. [DOI: 10.1016/j.tet.2020.130944] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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10
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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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11
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Efficient synthesis of unsymmetrical sulfamides from sulfamic acid salts by activation with triphenylphosphine ditriflate. Tetrahedron 2019. [DOI: 10.1016/j.tet.2019.02.063] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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12
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13
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Mikagi A, Tokairin D, Usuki T. Suzuki-Miyaura cross-coupling reaction of monohalopyridines and l-aspartic acid derivative. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2018.11.038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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14
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Karthik S, Gandhi T. Dibenzofuran and dibenzothiophene based palladium(ii)/NHC catalysts – synthesis and applications in C–C bond formation. NEW J CHEM 2018. [DOI: 10.1039/c8nj02989j] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
In the quest for a new ligand system for Pd(ii)/NHCs, we developed new dibenzofuran and dibenzothiophene based palladium N-heterocyclic carbene catalystsD1–D6in good yields and applied it in C–C bond formation.
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Affiliation(s)
- Shanmugam Karthik
- Department of Chemistry
- School of Advanced Sciences
- VIT University
- Vellore 632014
- India
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15
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Zhou Z, Liang H, Xia W, Chen H, Zhang Y, He X, Yu S, Cao R, Qiu L. Synthesis of a class of binaphthyl monophosphine ligands with a naphthofuran skeleton and their applications in Suzuki–Miyaura coupling reactions. NEW J CHEM 2018. [DOI: 10.1039/c8nj00412a] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
L6–Pd2(dba)3 showed excellent activity in the Suzuki–Miyaura reaction of sterically hindered and electron-rich aryl halides with aryl boronic acids.
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Affiliation(s)
- Zihong Zhou
- School of Chemistry
- The Key Laboratory of Low-carbon Chemistry & Energy Conservation of Guangdong Province
- South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center
- Sun Yat-sen University
- People's Republic of China
| | - Hao Liang
- School of Chemistry
- The Key Laboratory of Low-carbon Chemistry & Energy Conservation of Guangdong Province
- South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center
- Sun Yat-sen University
- People's Republic of China
| | - Wang Xia
- School of Chemistry
- The Key Laboratory of Low-carbon Chemistry & Energy Conservation of Guangdong Province
- South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center
- Sun Yat-sen University
- People's Republic of China
| | - Huixuan Chen
- School of Chemistry
- The Key Laboratory of Low-carbon Chemistry & Energy Conservation of Guangdong Province
- South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center
- Sun Yat-sen University
- People's Republic of China
| | - Yaqi Zhang
- School of Chemistry
- The Key Laboratory of Low-carbon Chemistry & Energy Conservation of Guangdong Province
- South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center
- Sun Yat-sen University
- People's Republic of China
| | - Xuefeng He
- School of Chemistry
- The Key Laboratory of Low-carbon Chemistry & Energy Conservation of Guangdong Province
- South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center
- Sun Yat-sen University
- People's Republic of China
| | - Sifan Yu
- School of Chemistry
- The Key Laboratory of Low-carbon Chemistry & Energy Conservation of Guangdong Province
- South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center
- Sun Yat-sen University
- People's Republic of China
| | - Rihui Cao
- School of Chemistry
- The Key Laboratory of Low-carbon Chemistry & Energy Conservation of Guangdong Province
- South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center
- Sun Yat-sen University
- People's Republic of China
| | - Liqin Qiu
- School of Chemistry
- The Key Laboratory of Low-carbon Chemistry & Energy Conservation of Guangdong Province
- South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center
- Sun Yat-sen University
- People's Republic of China
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16
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Isley NA, Wang Y, Gallou F, Handa S, Aue DH, Lipshutz BH. A Micellar Catalysis Strategy for Suzuki–Miyaura Cross-Couplings of 2-Pyridyl MIDA Boronates: No Copper, in Water, Very Mild Conditions. ACS Catal 2017. [DOI: 10.1021/acscatal.7b03241] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Nicholas A. Isley
- Department of Chemistry & Biochemistry, University of California, Santa Barbara, California 93106, United States
| | - Ye Wang
- Department of Chemistry & Biochemistry, University of California, Santa Barbara, California 93106, United States
| | - Fabrice Gallou
- Chemical & Analytical Development, Novartis Pharma AG, 4056 Basel, Switzerland
| | - Sachin Handa
- Department of Chemistry & Biochemistry, University of California, Santa Barbara, California 93106, United States
| | - Donald H. Aue
- Department of Chemistry & Biochemistry, University of California, Santa Barbara, California 93106, United States
| | - Bruce H. Lipshutz
- Department of Chemistry & Biochemistry, University of California, Santa Barbara, California 93106, United States
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17
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Laulhé S, Blackburn JM, Roizen JL. Exhaustive Suzuki-Miyaura reactions of polyhalogenated heteroarenes with alkyl boronic pinacol esters. Chem Commun (Camb) 2017; 53:7270-7273. [PMID: 28345090 DOI: 10.1039/c7cc00997f] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
A novel Suzuki-Miyaura protocol is described that enables the exhaustive alkylation of polychlorinated pyridines. This method facilitates a formal synthesis of normuscopyridine and the rapid assembly of a dumbbell shaped portion of a [2]rotaxane.
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Affiliation(s)
- Sébastien Laulhé
- Department of Chemistry and Chemical Biology, IUPUI, Indianapolis, IN 46202, USA
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18
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Fawcett A, Pradeilles J, Wang Y, Mutsuga T, Myers EL, Aggarwal VK. Photoinduced decarboxylative borylation of carboxylic acids. Science 2017; 357:283-286. [DOI: 10.1126/science.aan3679] [Citation(s) in RCA: 379] [Impact Index Per Article: 54.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Accepted: 06/07/2017] [Indexed: 12/30/2022]
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Li C, Wang J, Barton LM, Yu S, Tian M, Peters DS, Kumar M, Yu AW, Johnson KA, Chatterjee AK, Yan M, Baran PS. Decarboxylative borylation. Science 2017; 356:eaam7355. [PMID: 28408721 PMCID: PMC5807063 DOI: 10.1126/science.aam7355] [Citation(s) in RCA: 285] [Impact Index Per Article: 40.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Accepted: 03/23/2017] [Indexed: 12/31/2022]
Abstract
The widespread use of alkyl boronic acids and esters is frequently hampered by the challenges associated with their preparation. We describe a simple and practical method to rapidly access densely functionalized alkyl boronate esters from abundant carboxylic substituents. This broad-scope nickel-catalyzed reaction uses the same activating principle as amide bond formation to replace a carboxylic acid moiety with a boronate ester. Application to peptides allowed expedient preparations of α-amino boronic acids, often with high stereoselectivity, thereby facilitating synthesis of the alkyl boronic acid drugs Velcade and Ninlaro as well as a boronic acid version of the iconic antibiotic vancomycin. The reaction also enabled the discovery and extensive biological characterization of potent human neutrophil elastase inhibitors, which offer reversible covalent binding properties.
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Affiliation(s)
- Chao Li
- Department of Chemistry, The Scripps Research Institute (TSRI), La Jolla, CA 92037, USA
| | - Jie Wang
- Department of Chemistry, The Scripps Research Institute (TSRI), La Jolla, CA 92037, USA
| | - Lisa M Barton
- Department of Chemistry, The Scripps Research Institute (TSRI), La Jolla, CA 92037, USA
| | - Shan Yu
- Calibr, 11119 North Torrey Pines Road, Suite 100, San Diego, CA 92037, USA
| | - Maoqun Tian
- Department of Chemistry, The Scripps Research Institute (TSRI), La Jolla, CA 92037, USA
| | - David S Peters
- Department of Chemistry, The Scripps Research Institute (TSRI), La Jolla, CA 92037, USA
| | - Manoj Kumar
- Calibr, 11119 North Torrey Pines Road, Suite 100, San Diego, CA 92037, USA
| | - Antony W Yu
- Department of Chemistry, The Scripps Research Institute (TSRI), La Jolla, CA 92037, USA
| | - Kristen A Johnson
- Calibr, 11119 North Torrey Pines Road, Suite 100, San Diego, CA 92037, USA
| | - Arnab K Chatterjee
- Calibr, 11119 North Torrey Pines Road, Suite 100, San Diego, CA 92037, USA
| | - Ming Yan
- Department of Chemistry, The Scripps Research Institute (TSRI), La Jolla, CA 92037, USA
| | - Phil S Baran
- Department of Chemistry, The Scripps Research Institute (TSRI), La Jolla, CA 92037, USA.
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Le Falher L, Mumtaz A, Nina Diogo A, Thorimbert S, Botuha C. Chemoselective Access to π-Conjugated Heterocycles by Stille and Sonogashira Reactions on 2-Substituted 4 H-Pyrido[ e][1,3]oxazin-4-ones. European J Org Chem 2017. [DOI: 10.1002/ejoc.201601338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Laetitia Le Falher
- Sorbonne Universités; UPMC Univ Paris 06, UMR CNRS 8232; Institut Parisien de Chimie Moléculaire; 4 place Jussieu 75005 Paris France
| | - Amara Mumtaz
- Sorbonne Universités; UPMC Univ Paris 06, UMR CNRS 8232; Institut Parisien de Chimie Moléculaire; 4 place Jussieu 75005 Paris France
| | - Anthony Nina Diogo
- Sorbonne Universités; UPMC Univ Paris 06, UMR CNRS 8232; Institut Parisien de Chimie Moléculaire; 4 place Jussieu 75005 Paris France
| | - Serge Thorimbert
- Sorbonne Universités; UPMC Univ Paris 06, UMR CNRS 8232; Institut Parisien de Chimie Moléculaire; 4 place Jussieu 75005 Paris France
| | - Candice Botuha
- Sorbonne Universités; UPMC Univ Paris 06, UMR CNRS 8232; Institut Parisien de Chimie Moléculaire; 4 place Jussieu 75005 Paris France
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