1
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Ji K, Parthiban J, Jockusch S, Sivaguru J, Porco JA. Triple-Dearomative Photocycloaddition: A Strategy to Construct Caged Molecular Frameworks. J Am Chem Soc 2024; 146:13445-13454. [PMID: 38708818 PMCID: PMC11149169 DOI: 10.1021/jacs.4c02674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/07/2024]
Abstract
An unprecedented caged 2H-benzo-dioxo-pentacycloundecane framework was serendipitously obtained in a single transformation via triple-dearomative photocycloaddition of chromone esters with furans. This caged structure was generated as part of an effort to access a tricyclic, oxygen-bridged intermediate enroute to the dihydroxanthone natural product nidulalin A. Reaction scope and limitations were thoroughly investigated, revealing the ability to access a multitude of synthetically challenging caged scaffolds in a two-step sequence. Photophysical studies provided key mechanistic insights on the process for formation of the novel caged scaffold.
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Affiliation(s)
- Kaijie Ji
- Department of Chemistry and Center for Molecular Discovery (BU-CMD), Boston University, Boston, Massachusetts, 02215, United States
| | - Jayachandran Parthiban
- Department of Chemistry and Center for Photochemical Sciences, Bowling Green State University, Bowling Green, Ohio, 43403, United States
| | - Steffen Jockusch
- Department of Chemistry and Center for Photochemical Sciences, Bowling Green State University, Bowling Green, Ohio, 43403, United States
| | - Jayaraman Sivaguru
- Department of Chemistry and Center for Photochemical Sciences, Bowling Green State University, Bowling Green, Ohio, 43403, United States
| | - John A. Porco
- Department of Chemistry and Center for Molecular Discovery (BU-CMD), Boston University, Boston, Massachusetts, 02215, United States
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2
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Xie H, Zhang M, Fang X, Yan Z, Yao H. Synthesis of meta-arylphenol derivatives via acid-promoted rearrangement of cyclohexadienones. Org Biomol Chem 2023; 21:8573-8578. [PMID: 37853805 DOI: 10.1039/d3ob01363d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2023]
Abstract
A highly effective strategy for the synthesis of meta-arylphenol derivatives through the selective rearrangement of 4-alkyl-4-aryl-2,5-cyclohexadienones under metal-free conditions was developed, in which acid-promoted [1,2]-migration of the aryl group at C-4 occurred exclusively when the alkyl group at C-4 was a methyl group. Treatment of 4-methyl-4-aryl-2,5-cyclohexadienones with 37% HCl in Ac2O at room temperature provided polysubstituted meta-arylphenyl acetates in 75-94% yields. The application of this protocol in the synthesis of polycyclic aromatic compounds was also described.
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Affiliation(s)
- Hongyan Xie
- College of Chemistry and Chemical Engineering, Nanchang University, Nanchang, Jiangxi 330031, China.
| | - Minxiang Zhang
- College of Chemistry and Chemical Engineering, Nanchang University, Nanchang, Jiangxi 330031, China.
| | - Xueyu Fang
- College of Chemistry and Chemical Engineering, Nanchang University, Nanchang, Jiangxi 330031, China.
| | - Zhaohua Yan
- College of Chemistry and Chemical Engineering, Nanchang University, Nanchang, Jiangxi 330031, China.
| | - Hua Yao
- College of Chemistry and Chemical Engineering, Nanchang University, Nanchang, Jiangxi 330031, China.
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3
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Chen Y, Xu W, Xie X, Pei M, Lu M, Wang Y, Liu Y. Gold-Catalyzed Spirocyclization of Furan-ynones and Unexpected Skeleton Rearrangement of the Resulting Spirohydrofurans. Org Lett 2021; 23:1090-1095. [PMID: 33428411 DOI: 10.1021/acs.orglett.0c04312] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A gold-catalyzed cyclization of aniline-tethered furan-ynones has been developed. The reaction proceeds via trapping of the resulting stabilized cationic intermediate with an amide group leading to polycycles featured with a spiro-cyclohexadienone-hydrofuran framework with high efficiency. The resulting N-alkyl products undergo photorearrangements to afford the ring-enlarged benzo[b]azepine derivatives or iron-promoted novel rearrangement to diketone-containing spirocycles involving multiple C-X bond cleavages and formations.
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Affiliation(s)
- Yulong Chen
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu , Shanghai 200032, People's Republic of China
| | - Wei Xu
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu , Shanghai 200032, People's Republic of China
| | - Xin Xie
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu , Shanghai 200032, People's Republic of China
| | - Miaomiao Pei
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu , Shanghai 200032, People's Republic of China
| | - Mingduo Lu
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu , Shanghai 200032, People's Republic of China
| | - Yaotong Wang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu , Shanghai 200032, People's Republic of China
| | - Yuanhong Liu
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu , Shanghai 200032, People's Republic of China
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4
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Chandra G, Patel S. Molecular Complexity from Aromatics: Recent Advances in the Chemistry of
para
Quinol and Masked
para
‐Quinone Monoketal. ChemistrySelect 2020. [DOI: 10.1002/slct.202003802] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Girish Chandra
- Department of Chemistry School of Physical and Chemical Sciences Central University of South Bihar SH-7, Gaya-Panchanpur Road Gaya Bihar India 824236
| | - Samridhi Patel
- Department of Chemistry School of Physical and Chemical Sciences Central University of South Bihar SH-7, Gaya-Panchanpur Road Gaya Bihar India 824236
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5
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6
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Itoh K, Takashino A, Ohtsuka A, Kobe M, Sawamura S, Kato R, Hirayama S, Karaki F, Mizuguchi T, Sato N, Tokunaga K, Toda Y, Suga H, Ishida H, Fujii H. Synthesis of 1,2,5‐Oxadiazinane Derivatives by Photochemical Cycloaddition of Nitrones with Diaminomethanes. CHEMPHOTOCHEM 2020. [DOI: 10.1002/cptc.202000004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Kennosuke Itoh
- Laboratory of Medicinal Chemistry, School of PharmacyKitasato University Tokyo 108-8641 Japan
- Medicinal Research Laboratories, School of PharmacyKitasato University Tokyo 108-8641 Japan
| | - Atsushi Takashino
- Laboratory of Medicinal Chemistry, School of PharmacyKitasato University Tokyo 108-8641 Japan
| | - Atsushi Ohtsuka
- Department of Chemistry, Graduate School of ScienceKitasato University Kanagawa 252-0373 Japan
| | - Mizuki Kobe
- Department of Chemistry, Graduate School of ScienceKitasato University Kanagawa 252-0373 Japan
| | - Shunsuke Sawamura
- Laboratory of Medicinal Chemistry, School of PharmacyKitasato University Tokyo 108-8641 Japan
| | - Ryo Kato
- Department of Materials Chemistry, Faculty of EngineeringShinshu University Nagano 380-8553 Japan
| | - Shigeto Hirayama
- Laboratory of Medicinal Chemistry, School of PharmacyKitasato University Tokyo 108-8641 Japan
- Medicinal Research Laboratories, School of PharmacyKitasato University Tokyo 108-8641 Japan
| | - Fumika Karaki
- Laboratory of Medicinal Chemistry, School of PharmacyKitasato University Tokyo 108-8641 Japan
- Medicinal Research Laboratories, School of PharmacyKitasato University Tokyo 108-8641 Japan
| | - Takaaki Mizuguchi
- Laboratory of Medicinal Chemistry, School of PharmacyKitasato University Tokyo 108-8641 Japan
- Medicinal Research Laboratories, School of PharmacyKitasato University Tokyo 108-8641 Japan
| | - Noriko Sato
- Medicinal Research Laboratories, School of PharmacyKitasato University Tokyo 108-8641 Japan
| | - Ken Tokunaga
- Division of Liberal Arts Center for Promotion of Higher EducationKogakuin University Tokyo 192-0015 Japan
| | - Yasunori Toda
- Department of Materials Chemistry, Faculty of EngineeringShinshu University Nagano 380-8553 Japan
| | - Hiroyuki Suga
- Department of Materials Chemistry, Faculty of EngineeringShinshu University Nagano 380-8553 Japan
| | - Hitoshi Ishida
- Department of Chemistry, Graduate School of ScienceKitasato University Kanagawa 252-0373 Japan
| | - Hideaki Fujii
- Laboratory of Medicinal Chemistry, School of PharmacyKitasato University Tokyo 108-8641 Japan
- Medicinal Research Laboratories, School of PharmacyKitasato University Tokyo 108-8641 Japan
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7
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Stereoselective synthesis of δ-amino-α,β,γ,δ-unsaturated cycloketones via Mannich-type reaction. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2020.151799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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8
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Al-Tel TH, Srinivasulu V, Ramanathan M, Soares NC, Sebastian A, Bolognesi ML, Abu-Yousef IA, Majdalawieh A. Stereocontrolled transformations of cyclohexadienone derivatives to access stereochemically rich and natural product-inspired architectures. Org Biomol Chem 2020; 18:8526-8571. [PMID: 33043327 DOI: 10.1039/d0ob01550d] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The last two decades or so have witnessed an upsurge in defining the art of designing complex natural products and nature-inspired molecules. Throughout these decades, fundamental insights into stereocontrolled, step-economic and atom-economical synthesis principles were achieved by the numerous synthetic accomplishments particularly in diversity-oriented synthesis (DOS). This has empowered the visualization of the third dimension in synthetic design and thus has resulted in a dramatic increase with today's diversity-oriented synthesis (DOS) at the forefront enabling access to diverse scaffolds with a high degree of stereochemical and skeletal complexity. To this end, a starting material-based approach is one of the powerful tools utilized in DOS that allows rapid access to molecular architectures with a high sp3 content. Skeletal and stereochemical diversity is often paramount for the selective modulation of the biological function of a complementary protein in the biological space. In this context, stereocontrolled transformation of cyclohexadienone scaffolds has positioned itself as a powerful platform for the rapid generation of stereochemically enriched and natural product-inspired compound collections. In this review, we cover multidirectional synthetic strategies that utilized cyclohexadienone derivatives as pluripotent building blocks en route for the construction of novel chemical space.
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Affiliation(s)
- Taleb H Al-Tel
- Sharjah Institute for Medical Research, University of Sharjah, P.O. Box 27272, Sharjah, United Arab Emirates.
| | - Vunnam Srinivasulu
- Sharjah Institute for Medical Research, University of Sharjah, P.O. Box 27272, Sharjah, United Arab Emirates.
| | - Mani Ramanathan
- Department of Biology, Chemistry and Environmental Sciences, American University of Sharjah, Sharjah, United Arab Emirates
| | - Nelson C Soares
- Sharjah Institute for Medical Research, University of Sharjah, P.O. Box 27272, Sharjah, United Arab Emirates.
| | - Anusha Sebastian
- Department of Biology, Chemistry and Environmental Sciences, American University of Sharjah, Sharjah, United Arab Emirates
| | - Maria L Bolognesi
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum - Università di Bologna, Via Belmeloro, 6, 40126 Bologna, Italy
| | - Imad A Abu-Yousef
- Department of Biology, Chemistry and Environmental Sciences, American University of Sharjah, Sharjah, United Arab Emirates
| | - Amin Majdalawieh
- Department of Biology, Chemistry and Environmental Sciences, American University of Sharjah, Sharjah, United Arab Emirates
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9
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Pan GF, Zhang XL, Zhu XQ, Guo RL, Wang YQ. Synthesis of (E,E)-Dienones and (E,E)-Dienals via Palladium-Catalyzed γ,δ-Dehydrogenation of Enones and Enals. iScience 2019; 20:229-236. [PMID: 31590075 PMCID: PMC6817633 DOI: 10.1016/j.isci.2019.09.027] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Revised: 09/17/2019] [Accepted: 09/18/2019] [Indexed: 11/30/2022] Open
Abstract
A new strategy for the synthesis of conjugated (E,E)-dienones and (E,E)-dienals via a palladium-catalyzed aerobic γ,δ-dehydrogenation of enones and enals has been developed. The method can be employed in the direct and efficient synthesis of various (E,E)-dienones and (E,E)-dienals, including non-substituted α-, β-, and γ- and/or δ-substituted (E,E)-dienones and (E,E)-dienals. The protocol is featured by the ready accessibility and elaboration of the starting materials, good functional group compatibility, and mild reaction conditions. Furthermore, the reaction is of complete E,E-stereoselectivity and uses molecular oxygen as the sole clean oxidant.
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Affiliation(s)
- Gao-Fei Pan
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710069, P. R. China
| | - Xing-Long Zhang
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710069, P. R. China
| | - Xue-Qing Zhu
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710069, P. R. China
| | - Rui-Li Guo
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710069, P. R. China
| | - Yong-Qiang Wang
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710069, P. R. China.
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10
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Zhang X. Mechanistic study on the intramolecular oxa-[4 + 2] cycloaddition of substituted o-divinylbenzenes. J Mol Model 2019; 25:14. [PMID: 30607638 DOI: 10.1007/s00894-018-3883-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Accepted: 11/28/2018] [Indexed: 12/13/2022]
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11
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Reddy TP, Krishna AV, Ramachary DB. Catalytic [3 + 3]-Cycloaddition for Regioselective Preparation of Tricyclic Oxadiazines. Org Lett 2018; 20:6979-6983. [DOI: 10.1021/acs.orglett.8b02719] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- T. Prabhakar Reddy
- Catalysis Laboratory, School of Chemistry, University of Hyderabad, Hyderabad-500 046, India
| | - A. Vamshi Krishna
- Catalysis Laboratory, School of Chemistry, University of Hyderabad, Hyderabad-500 046, India
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12
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Hu XM, Luo DY, Zi QX, Lin J, Yan SJ. Diastereoselective Synthesis of Morphan Derivatives by Michael and Hetero-Michael Addition of 1,1-Enediamines to Quinone Monoketals. ACS OMEGA 2018; 3:8-21. [PMID: 31457875 PMCID: PMC6641283 DOI: 10.1021/acsomega.7b01493] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Accepted: 12/19/2017] [Indexed: 05/24/2023]
Abstract
A general and concise method was developed for the synthesis of highly functionalized morphans 3-4 by the Michael and hetero-Michael addition reaction of different types of quinone monoketals 1 and 1,1-enediamines 2 in ethanol or 1,4-dioxane at reflux. This method is suitable for the efficient parallel syntheses of N-containing heterocycles. A library of highly functional morphan derivatives was easily constructed using the Michael/hetero-Michael reaction.
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Affiliation(s)
| | | | | | - Jun Lin
- E-mail: . Phone/Fax: +86 87165031633 (J.L.)
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13
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Zhang Z, Ratnikov M, Spraggon G, Alper PB. Photoinduced Rearrangement of Dienones and Santonin Rerouted by Amines. Angew Chem Int Ed Engl 2018; 57:904-908. [PMID: 29266649 DOI: 10.1002/anie.201710463] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Revised: 11/28/2017] [Indexed: 11/06/2022]
Abstract
The photoinduced rearrangement pathways of simple 2,5-dienones and the natural product santonin were found to be effectively rerouted by amines, giving rise to unprecedented products. Either cis olefins or cyclobutenes were obtained from 4,4-disubstituted 2,5-dienone upon irradiation (365 nm) in the presence of various amines depending on the solvent. Previously undescribed [4.4.0] and [5.3.0] fused-ring-containing products were obtained when santonin was irradiated (365 nm) in the presence of methylamine. The amines present in these reactions were incorporated into the products by means of amide-group formation.
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Affiliation(s)
- Zhipeng Zhang
- Department of Discovery Chemistry, Genomics Institute of the Novartis Research Foundation, San Diego, CA, 92121, USA
| | - Maxim Ratnikov
- Department of Discovery Chemistry, Genomics Institute of the Novartis Research Foundation, San Diego, CA, 92121, USA
| | - Glen Spraggon
- Department of Discovery Chemistry, Genomics Institute of the Novartis Research Foundation, San Diego, CA, 92121, USA
| | - Phil B Alper
- Department of Discovery Chemistry, Genomics Institute of the Novartis Research Foundation, San Diego, CA, 92121, USA
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14
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Zhang Z, Ratnikov M, Spraggon G, Alper PB. Photoinduced Rearrangement of Dienones and Santonin Rerouted by Amines. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201710463] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Zhipeng Zhang
- Department of Discovery Chemistry; Genomics Institute of the Novartis Research Foundation; San Diego CA 92121 USA
| | - Maxim Ratnikov
- Department of Discovery Chemistry; Genomics Institute of the Novartis Research Foundation; San Diego CA 92121 USA
| | - Glen Spraggon
- Department of Discovery Chemistry; Genomics Institute of the Novartis Research Foundation; San Diego CA 92121 USA
| | - Phil B. Alper
- Department of Discovery Chemistry; Genomics Institute of the Novartis Research Foundation; San Diego CA 92121 USA
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15
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Gilbert M, DeMars MD, Yang S, Grandner JM, Wang S, Wang H, Narayan ARH, Sherman DH, Houk KN, Montgomery J. Synthesis of Diverse 11- and 12-Membered Macrolactones from a Common Linear Substrate Using a Single Biocatalyst. ACS CENTRAL SCIENCE 2017; 3:1304-1310. [PMID: 29296671 PMCID: PMC5746868 DOI: 10.1021/acscentsci.7b00450] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Indexed: 05/10/2023]
Abstract
The diversification of late stage synthetic intermediates provides significant advantages in efficiency in comparison to conventional linear approaches. Despite these advantages, accessing varying ring scaffolds and functional group patterns from a common intermediate poses considerable challenges using existing methods. The combination of regiodivergent nickel-catalyzed C-C couplings and site-selective biocatalytic C-H oxidations using the cytochrome P450 enzyme PikC addresses this problem by enabling a single late-stage linear intermediate to be converted to macrolactones of differing ring size and with diverse patterns of oxidation. The approach is made possible by a novel strategy for site-selective biocatalytic oxidation using a single biocatalyst, with site selectivity being governed by a temporarily installed directing group. Site selectivities of C-H oxidation by this directed approach can overcome positional bias due to C-H bond strength, acidity, inductive influences, steric accessibility, or immediate proximity to the directing group, thus providing complementarity to existing approaches.
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Affiliation(s)
- Michael
M. Gilbert
- Department
of Chemistry, University of Michigan, Ann Arbor, Michigan 48109-1055, United States
| | - Matthew D. DeMars
- Life
Sciences Institute, University of Michigan, Ann Arbor, Michigan 48109, United States
- Program
in Chemical Biology, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Song Yang
- Department
of Chemistry and Biochemistry, University
of California, Los Angeles, California 90095-1569, United States
| | - Jessica M. Grandner
- Department
of Chemistry and Biochemistry, University
of California, Los Angeles, California 90095-1569, United States
| | - Shoulei Wang
- Department
of Chemistry, University of Michigan, Ann Arbor, Michigan 48109-1055, United States
| | - Hengbin Wang
- Department
of Chemistry, University of Michigan, Ann Arbor, Michigan 48109-1055, United States
| | - Alison R. H. Narayan
- Department
of Chemistry, University of Michigan, Ann Arbor, Michigan 48109-1055, United States
- Life
Sciences Institute, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - David H. Sherman
- Department
of Chemistry, University of Michigan, Ann Arbor, Michigan 48109-1055, United States
- Life
Sciences Institute, University of Michigan, Ann Arbor, Michigan 48109, United States
- Program
in Chemical Biology, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department
of Medicinal Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - K. N. Houk
- Department
of Chemistry and Biochemistry, University
of California, Los Angeles, California 90095-1569, United States
| | - John Montgomery
- Department
of Chemistry, University of Michigan, Ann Arbor, Michigan 48109-1055, United States
- Program
in Chemical Biology, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department
of Medicinal Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States
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16
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Liu Q, Wang J, Li D, Gao GL, Yang C, Gao Y, Xia W. Synthesis of Oxatricyclooctanes via Photoinduced Intramolecular Oxa-[4+2] Cycloaddition of Substituted o-Divinylbenzenes. J Org Chem 2017; 82:7856-7868. [PMID: 28699349 DOI: 10.1021/acs.joc.7b01055] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The photolysis of substituted o-divinylbenzenes promotes a one-step and metal-free conversion to oxatricycles at room temperature. Irradiation o-divinylbenzenes results in an pericyclic reaction to form cyclic o-quinodiemthane intermediates, which subsequently undergo intramolecular oxa-[4+2] cycloaddition to form oxacyclic derivatives.
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Affiliation(s)
- Qiang Liu
- State Key Lab of Urban Water Resource and Environment, Harbin Institute of Technology (Shenzhen) , Shenzhen 518055, China
| | - Junlei Wang
- State Key Lab of Urban Water Resource and Environment, Harbin Institute of Technology (Shenzhen) , Shenzhen 518055, China
| | - Dazhi Li
- State Key Lab of Urban Water Resource and Environment, Harbin Institute of Technology (Shenzhen) , Shenzhen 518055, China
| | - Guo-Lin Gao
- State Key Lab of Urban Water Resource and Environment, Harbin Institute of Technology (Shenzhen) , Shenzhen 518055, China
| | - Chao Yang
- State Key Lab of Urban Water Resource and Environment, Harbin Institute of Technology (Shenzhen) , Shenzhen 518055, China
| | - Yuan Gao
- School of Chemistry and chemical Engineering, Yantai University , #30 Qingquan RD, Laishan District, Yantai 264005, China
| | - Wujiong Xia
- State Key Lab of Urban Water Resource and Environment, Harbin Institute of Technology (Shenzhen) , Shenzhen 518055, China
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17
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Yamamoto Y, Nishimura KI, Mori S, Shibuya M. Assembly of a Benzo-Fused Bridged Ketone Scaffold from 1,5,10-Enediynes through One-Pot Ruthenium-Catalyzed Cyclization/Iodine-Mediated Oxidative Ring Expansion. Angew Chem Int Ed Engl 2017; 56:5494-5497. [PMID: 28418229 DOI: 10.1002/anie.201700493] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2017] [Indexed: 01/11/2023]
Abstract
In the presence of a cationic Ru catalyst, 1,6-diynes bearing a terminal styryl moiety underwent [2+2+2] cyclization to produce dehydrobiphenylenes fused with a five-membered ring. Although the cycloadducts were unstable toward purification, their one-pot iodine-mediated ring expansion successfully afforded unprecedented bridged ketone products containing a benzo-fused bicyclo[3.2.1] framework.
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Affiliation(s)
- Yoshihiko Yamamoto
- Department of Basic Medicinal Sciences, Graduate School of Pharmaceutical Sciences, Nagoya University, Chikusa, Nagoya, 464-8601, Japan
| | - Kei-Ichiro Nishimura
- Department of Basic Medicinal Sciences, Graduate School of Pharmaceutical Sciences, Nagoya University, Chikusa, Nagoya, 464-8601, Japan
| | - Shota Mori
- Department of Basic Medicinal Sciences, Graduate School of Pharmaceutical Sciences, Nagoya University, Chikusa, Nagoya, 464-8601, Japan
| | - Masatoshi Shibuya
- Department of Basic Medicinal Sciences, Graduate School of Pharmaceutical Sciences, Nagoya University, Chikusa, Nagoya, 464-8601, Japan
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18
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Kumarasamy E, Kandappa SK, Raghunathan R, Jockusch S, Sivaguru J. Realizing an Aza Paternò–Büchi Reaction. Angew Chem Int Ed Engl 2017; 56:7056-7061. [DOI: 10.1002/anie.201702273] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2017] [Indexed: 11/05/2022]
Affiliation(s)
- Elango Kumarasamy
- Department of Chemistry and Biochemistry North Dakota State University Fargo ND 58108 USA
| | - Sunil Kumar Kandappa
- Department of Chemistry and Biochemistry North Dakota State University Fargo ND 58108 USA
| | - Ramya Raghunathan
- Department of Chemistry and Biochemistry North Dakota State University Fargo ND 58108 USA
| | - Steffen Jockusch
- Department of Chemistry Columbia University New York NY 10027 USA
| | - Jayaraman Sivaguru
- Department of Chemistry and Biochemistry North Dakota State University Fargo ND 58108 USA
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19
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Kumarasamy E, Kandappa SK, Raghunathan R, Jockusch S, Sivaguru J. Realizing an Aza Paternò–Büchi Reaction. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201702273] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Elango Kumarasamy
- Department of Chemistry and Biochemistry North Dakota State University Fargo ND 58108 USA
| | - Sunil Kumar Kandappa
- Department of Chemistry and Biochemistry North Dakota State University Fargo ND 58108 USA
| | - Ramya Raghunathan
- Department of Chemistry and Biochemistry North Dakota State University Fargo ND 58108 USA
| | - Steffen Jockusch
- Department of Chemistry Columbia University New York NY 10027 USA
| | - Jayaraman Sivaguru
- Department of Chemistry and Biochemistry North Dakota State University Fargo ND 58108 USA
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20
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Yamamoto Y, Nishimura KI, Mori S, Shibuya M. Assembly of a Benzo-Fused Bridged Ketone Scaffold from 1,5,10-Enediynes through One-Pot Ruthenium-Catalyzed Cyclization/Iodine-Mediated Oxidative Ring Expansion. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201700493] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Yoshihiko Yamamoto
- Department of Basic Medicinal Sciences; Graduate School of Pharmaceutical Sciences; Nagoya University; Chikusa Nagoya 464-8601 Japan
| | - Kei-ichiro Nishimura
- Department of Basic Medicinal Sciences; Graduate School of Pharmaceutical Sciences; Nagoya University; Chikusa Nagoya 464-8601 Japan
| | - Shota Mori
- Department of Basic Medicinal Sciences; Graduate School of Pharmaceutical Sciences; Nagoya University; Chikusa Nagoya 464-8601 Japan
| | - Masatoshi Shibuya
- Department of Basic Medicinal Sciences; Graduate School of Pharmaceutical Sciences; Nagoya University; Chikusa Nagoya 464-8601 Japan
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21
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Gorobets E, Wong NE, Paton RS, Derksen DJ. Divergent Photocyclization/1,4-Sigmatropic Rearrangements for the Synthesis of Sesquiterpenoid Derivatives. Org Lett 2017; 19:484-487. [PMID: 28124915 DOI: 10.1021/acs.orglett.6b03635] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Combined experimental and computational efforts have demonstrated the utility of divergent photocyclization/1,4-sigmatropic rearrangement reactions for developing a general strategy toward the synthesis of cubebane-, spiroaxane-, and guaiane-type sesquiterpenes and related analogues. The configuration of the bridgehead substituent, the choice of solvent, and the wavelength of irradiation all impact diastereoselectivity in this tandem reaction process.
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Affiliation(s)
- Evgueni Gorobets
- Department of Chemistry, University of Calgary , 2500 University Drive NW, Calgary, Alberta Canada T2N 1N4
| | - Norman E Wong
- Department of Chemistry, University of Calgary , 2500 University Drive NW, Calgary, Alberta Canada T2N 1N4
| | - Robert S Paton
- Chemistry Research Laboratory, Oxford University , Mansfield Road, Oxford OX1 3TA, U.K
| | - Darren J Derksen
- Department of Chemistry, University of Calgary , 2500 University Drive NW, Calgary, Alberta Canada T2N 1N4
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22
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Kumarasamy E, Raghunathan R, Kandappa SK, Sreenithya A, Jockusch S, Sunoj RB, Sivaguru J. Transposed Paternò–Büchi Reaction. J Am Chem Soc 2016; 139:655-662. [DOI: 10.1021/jacs.6b05936] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Elango Kumarasamy
- Department
of Chemistry and Biochemistry, North Dakota State University, Fargo, North Dakota 58108, United States
| | - Ramya Raghunathan
- Department
of Chemistry and Biochemistry, North Dakota State University, Fargo, North Dakota 58108, United States
| | - Sunil Kumar Kandappa
- Department
of Chemistry and Biochemistry, North Dakota State University, Fargo, North Dakota 58108, United States
| | - A. Sreenithya
- Department
of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai, 400076. India
| | - Steffen Jockusch
- Department
of Chemistry, Columbia University, New York, New York 10027, United States
| | - Raghavan B Sunoj
- Department
of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai, 400076. India
| | - J. Sivaguru
- Department
of Chemistry and Biochemistry, North Dakota State University, Fargo, North Dakota 58108, United States
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23
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Chen X, Day DP, Teo WT, Chan PWH. Gold- and Brønsted Acid-Catalyzed Cycloisomerization of 1,8-Diynyl Vinyl Acetates to Bicyclo[2.2.1]hept-2-en-7-ones. Org Lett 2016; 18:5936-5939. [DOI: 10.1021/acs.orglett.6b03049] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Xiaoyu Chen
- School
of Chemistry, Monash University, Clayton, Victoria 3800, Australia
| | - David Philip Day
- Department
of Chemistry, University of Warwick, Coventry, CV4 7AL, United Kingdom
| | - Wan Teng Teo
- Division
of Chemistry and Biological Chemistry, School of Physical and Mathematical
Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Philip Wai Hong Chan
- School
of Chemistry, Monash University, Clayton, Victoria 3800, Australia
- Department
of Chemistry, University of Warwick, Coventry, CV4 7AL, United Kingdom
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24
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Kärkäs M, Porco JA, Stephenson CRJ. Photochemical Approaches to Complex Chemotypes: Applications in Natural Product Synthesis. Chem Rev 2016; 116:9683-747. [PMID: 27120289 PMCID: PMC5025835 DOI: 10.1021/acs.chemrev.5b00760] [Citation(s) in RCA: 674] [Impact Index Per Article: 84.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2015] [Indexed: 01/29/2023]
Abstract
The use of photochemical transformations is a powerful strategy that allows for the formation of a high degree of molecular complexity from relatively simple building blocks in a single step. A central feature of all light-promoted transformations is the involvement of electronically excited states, generated upon absorption of photons. This produces transient reactive intermediates and significantly alters the reactivity of a chemical compound. The input of energy provided by light thus offers a means to produce strained and unique target compounds that cannot be assembled using thermal protocols. This review aims at highlighting photochemical transformations as a tool for rapidly accessing structurally and stereochemically diverse scaffolds. Synthetic designs based on photochemical transformations have the potential to afford complex polycyclic carbon skeletons with impressive efficiency, which are of high value in total synthesis.
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Affiliation(s)
- Markus
D. Kärkäs
- Department
of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109, United States
| | - John A. Porco
- Department
of Chemistry, Center for Molecular Discovery (BU-CMD), Boston University, 590 Commonwealth Avenue, Boston, Massachusetts 02215, United States
| | - Corey R. J. Stephenson
- Department
of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109, United States
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25
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Quideau S, Pouységu L, Peixoto PA, Deffieux D. Phenol Dearomatization with Hypervalent Iodine Reagents. HYPERVALENT IODINE CHEMISTRY 2016; 373:25-74. [DOI: 10.1007/128_2015_665] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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26
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Abstract
The (3+2)-cycloaddition reaction involving oxyallyl cations has proven to be a versatile and efficient approach for the construction of five-membered carbo- and heterocycles, which are prevalent frameworks in natural products and pharmaceuticals. The following article will provide a brief summary of recent disclosures on this process featuring chemo-, regio- and diastereoselective oxyallyl cycloadditions with both electron-rich and electron-deficient 2π partners.
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Affiliation(s)
- Hui Li
- Department of Chemistry, Dartmouth College, Hanover, NH 03755, USA
| | - Jimmy Wu
- Department of Chemistry, Dartmouth College, Hanover, NH 03755, USA
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27
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Xia XD, Ren YL, Chen JR, Yu XL, Lu LQ, Zou YQ, Wan J, Xiao WJ. Phototandem Catalysis: Efficient Synthesis of 3-Ester-3-hydroxy-2-oxindoles by a Visible Light-Induced Cyclization of Diazoamides through an Aerobic Oxidation Sequence. Chem Asian J 2014; 10:124-8. [DOI: 10.1002/asia.201402990] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2014] [Indexed: 11/12/2022]
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28
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Caron A, Hernandez-Perez AC, Collins SK. Synthesis of a Carprofen Analogue Using a Continuous Flow UV-Reactor. Org Process Res Dev 2014. [DOI: 10.1021/op5002148] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Antoine Caron
- Department of Chemistry and
Centre for Green Chemistry and Catalysis, Université de Montréal, CP 6128 Station Downtown, Montréal, Québec, Canada H3C 3J7
| | - Augusto C. Hernandez-Perez
- Department of Chemistry and
Centre for Green Chemistry and Catalysis, Université de Montréal, CP 6128 Station Downtown, Montréal, Québec, Canada H3C 3J7
| | - Shawn K. Collins
- Department of Chemistry and
Centre for Green Chemistry and Catalysis, Université de Montréal, CP 6128 Station Downtown, Montréal, Québec, Canada H3C 3J7
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29
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Kutateladze AG, Mukhina OA. Relativistic Force Field: Parametric Computations of Proton–Proton Coupling Constants in 1H NMR Spectra. J Org Chem 2014; 79:8397-406. [DOI: 10.1021/jo501781b] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Andrei G. Kutateladze
- Department
of Chemistry and
Biochemistry, University of Denver, Denver, Colorado 80208, United States
| | - Olga A. Mukhina
- Department
of Chemistry and
Biochemistry, University of Denver, Denver, Colorado 80208, United States
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30
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Kumarasamy E, Raghunathan R, Jockusch S, Ugrinov A, Sivaguru J. Tailoring Atropisomeric Maleimides for Stereospecific [2 + 2] Photocycloaddition—Photochemical and Photophysical Investigations Leading to Visible-Light Photocatalysis. J Am Chem Soc 2014; 136:8729-37. [DOI: 10.1021/ja5034638] [Citation(s) in RCA: 68] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Elango Kumarasamy
- Department
of Chemistry and Biochemistry, North Dakota State University, Fargo, North Dakota 58108, United States
| | - Ramya Raghunathan
- Department
of Chemistry and Biochemistry, North Dakota State University, Fargo, North Dakota 58108, United States
| | - Steffen Jockusch
- Department
of Chemistry, Columbia University, New York, New York 10027, United States
| | - Angel Ugrinov
- Department
of Chemistry and Biochemistry, North Dakota State University, Fargo, North Dakota 58108, United States
| | - J. Sivaguru
- Department
of Chemistry and Biochemistry, North Dakota State University, Fargo, North Dakota 58108, United States
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31
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Cronk WC, Mukhina OA, Kutateladze AG. Intramolecular Photoassisted Cycloadditions of Azaxylylenes and Postphotochemical Capstone Modifications via Suzuki Coupling Provide Access to Complex Polyheterocyclic Biaryls. J Org Chem 2014; 79:1235-46. [DOI: 10.1021/jo4026447] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- W. Cole Cronk
- Department
of Chemistry and Biochemistry, University of Denver, Denver, Colorado 80208, United States
| | - Olga A. Mukhina
- Department
of Chemistry and Biochemistry, University of Denver, Denver, Colorado 80208, United States
| | - Andrei G. Kutateladze
- Department
of Chemistry and Biochemistry, University of Denver, Denver, Colorado 80208, United States
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