1
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Malo S, Santra S, Saha J, Ghosh D, Das I. External photocatalyst-free photocycloaddition between triplet vinylnitrenes with 1,3-biradical character and activated olefins under 420 nm LEDs. Chem Commun (Camb) 2024. [PMID: 39380367 DOI: 10.1039/d4cc03484h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/10/2024]
Abstract
Herein, we report that triplet vinylnitrenes with 1,3-biradical character can directly participate in photocycloaddition reactions with olefins to produce single diastereomers of the corresponding 1-pyrrolines under 420 nm LEDs in acetonitrile solvent. Moreover, a one-pot method has been developed to produce pyrroles directly through photocycloaddition and oxidation sequences. The excited state of the substrate olefin can sensitize vinyl azide via energy transfer, eliminating the need for an external photocatalyst or sensitizer.
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Affiliation(s)
- Sidhartha Malo
- CSIR-Indian Institute of Chemical Biology, Organic and Medicinal Chemistry Division, Kolkata 700032, West Bengal, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Supriyo Santra
- School of Chemical Sciences, Indian Association for the Cultivation of Science, Kolkata 700032, West Bengal, India.
| | - Jayanta Saha
- CSIR-Indian Institute of Chemical Biology, Organic and Medicinal Chemistry Division, Kolkata 700032, West Bengal, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Debashree Ghosh
- School of Chemical Sciences, Indian Association for the Cultivation of Science, Kolkata 700032, West Bengal, India.
| | - Indrajit Das
- CSIR-Indian Institute of Chemical Biology, Organic and Medicinal Chemistry Division, Kolkata 700032, West Bengal, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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2
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Lin Z, Ren H, Lin X, Yu X, Zheng J. Synthesis of Azabicyclo[3.1.1]heptenes Enabled by Catalyst-Controlled Annulations of Bicyclo[1.1.0]butanes with Vinyl Azides. J Am Chem Soc 2024; 146:18565-18575. [PMID: 38935924 DOI: 10.1021/jacs.4c04485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/29/2024]
Abstract
Bridged bicyclic scaffolds are emerging bioisosteres of planar aromatic rings under the concept of "escape from flatland". However, adopting this concept into the exploration of bioisosteres of pyridines remains elusive due to the challenge of incorporating a N atom into such bridged bicyclic structures. Herein, we report practical routes for the divergent synthesis of 2- and 3-azabicyclo[3.1.1]heptenes (aza-BCHepes) as potential bioisosteres of pyridines from the readily accessible vinyl azides and bicyclo[1.1.0]butanes (BCBs) via two distinct catalytic annulations. The reactivity of vinyl azides tailored with BCBs is the key to achieving divergent transformations. TiIII-catalyzed single-electron reductive generation of C-radicals from BCBs allows a concise (3 + 3) annulation with vinyl azides, affording novel 2-aza-BCHepe scaffolds. In contrast, scandium catalysis enables an efficient dipolar (3 + 2) annulation with vinyl azides to generate 2-azidobicyclo[2.1.1]hexanes, which subsequently undergo a chemoselective rearrangement to construct 3-aza-BCHepes. Both approaches efficiently deliver unique azabicyclo[3.1.1]heptene scaffolds with a high functional group tolerance. The synthetic utility has been further demonstrated by scale-up reactions and diverse postcatalytic transformations, providing valuable azabicyclics including 2- and 3-azabicyclo[3.1.1]heptanes and rigid bicyclic amino esters. In addition, the related sp2-hybridized nitrogen atom and the similar geometric property between pyridines and corresponding aza-BCHepes indicate that they are promising bioisosteres of pyridines.
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Affiliation(s)
- Zhongren Lin
- Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education; School of Pharmacy, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Haosong Ren
- Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education; School of Pharmacy, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Xinbo Lin
- Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education; School of Pharmacy, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Xinhong Yu
- Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education; School of Pharmacy, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Jun Zheng
- Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education; School of Pharmacy, East China University of Science and Technology, Shanghai 200237, P. R. China
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3
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Abegg T, Cossy J, Meyer C. Cascade Cope/Winstein Rearrangements: Synthesis of Azido-Cycloheptadienes from Dialkenylcyclopropanes Possessing a Vinyl Azide. Org Lett 2022; 24:4954-4959. [PMID: 35787030 DOI: 10.1021/acs.orglett.2c01888] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
cis-1,2-Dialkenylcyclopropanes incorporating a vinyl azide, generated by Knoevenagel condensations between the corresponding cyclopropanecarbaldehydes and α-azido ketones, undergo cascade Cope and Winstein [3,3]-sigmatropic rearrangements, under mild conditions. The sequence allows access to diversely substituted 1,4-cycloheptadienes armed with a secondary allylic azide with up to three stereocenters.
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Affiliation(s)
- Thomas Abegg
- Molecular, Macromolecular Chemistry, and Materials, ESPCI Paris - PSL, CNRS, 10 rue Vauquelin 75005 Paris, France
| | - Janine Cossy
- Molecular, Macromolecular Chemistry, and Materials, ESPCI Paris - PSL, CNRS, 10 rue Vauquelin 75005 Paris, France
| | - Christophe Meyer
- Molecular, Macromolecular Chemistry, and Materials, ESPCI Paris - PSL, CNRS, 10 rue Vauquelin 75005 Paris, France
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4
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Bhukta S, Chatterjee R, Dandela R. Iodine-TBHP mediated efficient synthesis of α-ketoamides from vinyl azides and amines under mild conditions. Org Biomol Chem 2022; 20:3907-3912. [PMID: 35502880 DOI: 10.1039/d2ob00458e] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
A convenient and practical synthetic approach for α-ketoamides has been developed under mild conditions. The facile synthesis of α-ketoamides has been accomplished using aryl vinyl azides and secondary amines at room temperature. The inexpensive and readily available iodine and TBHP easily promoted the oxidative amidation process to afford diketoamide derivatives in high yields. This method involves the synthesis of ketoamide compounds via sequential C-O and C-N bond formation. Moreover, metal-free and aerobic conditions and wide substrate scope are the notable advantages of this protocol.
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Affiliation(s)
- Swadhapriya Bhukta
- Department of Industrial and Engineering Chemistry, Institute of Chemical Technology, Indian Oil Odisha Campus, Samantpuri, Bhubaneswar 751013, India.
| | - Rana Chatterjee
- Department of Industrial and Engineering Chemistry, Institute of Chemical Technology, Indian Oil Odisha Campus, Samantpuri, Bhubaneswar 751013, India.
| | - Rambabu Dandela
- Department of Industrial and Engineering Chemistry, Institute of Chemical Technology, Indian Oil Odisha Campus, Samantpuri, Bhubaneswar 751013, India.
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5
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De A, Majee A. Synthesis of various functionalized
2
H
‐azirines: An
updated library. J Heterocycl Chem 2021. [DOI: 10.1002/jhet.4415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Aramita De
- Department of Chemistry Visva‐Bharati (A Central University) Santiniketan India
| | - Adinath Majee
- Department of Chemistry Visva‐Bharati (A Central University) Santiniketan India
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6
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Dworakowski K, Pisarek S, Hassan S, Gryko D. Vinyl Azides as Radical Acceptors in the Vitamin B 12-Catalyzed Synthesis of Unsymmetrical Ketones. Org Lett 2021; 23:9068-9072. [PMID: 34784475 PMCID: PMC8650103 DOI: 10.1021/acs.orglett.1c03321] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Indexed: 11/29/2022]
Abstract
Vinyl azides are very reactive species and as such are useful building blocks, in particular, in the synthesis of N-heterocycles. They can also serve as precursors of ketones. These form in reactions of vinyl azides with nucleophiles or radicals. We have found, however, that under light irradiation vitamin B12 catalyzes the reaction of vinyl azides with electrophiles to afford unsymmetrical carbonyl compounds in decent yields. Mechanistic studies revealed that alkyl radicals are key intermediates in this transformation.
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Affiliation(s)
| | | | - Sidra Hassan
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Dorota Gryko
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
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7
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Khatua H, Das SK, Roy S, Chattopadhyay B. Dual Reactivity of 1,2,3,4‐Tetrazole: Manganese‐Catalyzed Click Reaction and Denitrogenative Annulation. Angew Chem Int Ed Engl 2020; 60:304-312. [DOI: 10.1002/anie.202009078] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 09/01/2020] [Indexed: 12/20/2022]
Affiliation(s)
- Hillol Khatua
- Division of Molecular Synthesis & Drug Discovery Centre of Bio-Medical Research (CBMR) SGPGIMS Campus Raebareli Road Lucknow 226014 U.P. India
| | - Sandip Kumar Das
- Division of Molecular Synthesis & Drug Discovery Centre of Bio-Medical Research (CBMR) SGPGIMS Campus Raebareli Road Lucknow 226014 U.P. India
| | - Satyajit Roy
- Division of Molecular Synthesis & Drug Discovery Centre of Bio-Medical Research (CBMR) SGPGIMS Campus Raebareli Road Lucknow 226014 U.P. India
| | - Buddhadeb Chattopadhyay
- Division of Molecular Synthesis & Drug Discovery Centre of Bio-Medical Research (CBMR) SGPGIMS Campus Raebareli Road Lucknow 226014 U.P. India
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8
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Khatua H, Das SK, Roy S, Chattopadhyay B. Dual Reactivity of 1,2,3,4‐Tetrazole: Manganese‐Catalyzed Click Reaction and Denitrogenative Annulation. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202009078] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Hillol Khatua
- Division of Molecular Synthesis & Drug Discovery Centre of Bio-Medical Research (CBMR) SGPGIMS Campus Raebareli Road Lucknow 226014 U.P. India
| | - Sandip Kumar Das
- Division of Molecular Synthesis & Drug Discovery Centre of Bio-Medical Research (CBMR) SGPGIMS Campus Raebareli Road Lucknow 226014 U.P. India
| | - Satyajit Roy
- Division of Molecular Synthesis & Drug Discovery Centre of Bio-Medical Research (CBMR) SGPGIMS Campus Raebareli Road Lucknow 226014 U.P. India
| | - Buddhadeb Chattopadhyay
- Division of Molecular Synthesis & Drug Discovery Centre of Bio-Medical Research (CBMR) SGPGIMS Campus Raebareli Road Lucknow 226014 U.P. India
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9
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Harisha MB, Dhanalakshmi P, Suresh R, Kumar RR, Muthusubramanian S. Access to highly substituted oxazoles by the reaction of α-azidochalcone with potassium thiocyanate. Beilstein J Org Chem 2020; 16:2108-2118. [PMID: 32952727 PMCID: PMC7476590 DOI: 10.3762/bjoc.16.178] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Accepted: 08/21/2020] [Indexed: 12/27/2022] Open
Abstract
The reactivity of α-azidochalcones has been explored for the preparation of highly substituted oxazoles via a 2H-azirine intermediate. The azidochalcones, when treated with potassium thiocyanate in the presence of potassium persulfate, lead to 2,4,5-trisubstituted oxazoles in good yields. Incidentally, 2-aminothiazoles are the products when ferric nitrate is employed instead of persulfate in the above reaction.
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Affiliation(s)
- Mysore Bhyrappa Harisha
- Department of Organic Chemistry, School of Chemistry, Madurai Kamaraj University, Madurai-625 021, Tamil Nadu, India.,Eurofins-Advinus Limited, Phase II, Peenya Industrial Area, Bangalore-560 058, India
| | - Pandi Dhanalakshmi
- Department of Organic Chemistry, School of Chemistry, Madurai Kamaraj University, Madurai-625 021, Tamil Nadu, India.,Department of Inorganic and Physical Chemistry, Indian Institute of Science (IISc), Bangalore-560 012, India
| | - Rajendran Suresh
- Department of Organic Chemistry, School of Chemistry, Madurai Kamaraj University, Madurai-625 021, Tamil Nadu, India
| | - Raju Ranjith Kumar
- Department of Organic Chemistry, School of Chemistry, Madurai Kamaraj University, Madurai-625 021, Tamil Nadu, India
| | - Shanmugam Muthusubramanian
- Department of Organic Chemistry, School of Chemistry, Madurai Kamaraj University, Madurai-625 021, Tamil Nadu, India
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10
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Sahoo SR, Sarkar D. Revisiting the Addition of in-situ Nucleophiles to Allenic Ketones: An Entry Towards Synthesis of Benzodioxins. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000076] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Sushree Ranjan Sahoo
- Department of Chemistry; National Institute of Technology; Pin-769008 Rourkela Odisha India
| | - Debayan Sarkar
- Department of Chemistry; National Institute of Technology; Pin-769008 Rourkela Odisha India
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11
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Baykal A, Plietker B. A Bu
4
N[Fe(CO)
3
(NO)]‐Catalyzed Hemetsberger–Knittel Indole Synthesis. European J Org Chem 2020. [DOI: 10.1002/ejoc.201901864] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Aslihan Baykal
- Institut für Organische Chemie Universität Stuttgart Pfaffenwaldring 55 70569 Stuttgart Deutschland
| | - Bernd Plietker
- Institut für Organische Chemie Universität Stuttgart Pfaffenwaldring 55 70569 Stuttgart Deutschland
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12
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Deng T, Mazumdar W, Ford RL, Jana N, Izar R, Wink DJ, Driver TG. Oxidation of Nonactivated Anilines to Generate N-Aryl Nitrenoids. J Am Chem Soc 2020; 142:4456-4463. [PMID: 32043887 DOI: 10.1021/jacs.9b13599] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A low-temperature, protecting-group-free oxidation of 2-substituted anilines has been developed to generate an electrophilic N-aryl nitrenoid intermediate that can engage in C-NAr bond formation to construct functionalized N-heterocycles. The exposure of 2-substituted anilines to PIFA and trifluoroacetic acid or 10 mol % Sc(OTf)3 triggers nitrenoid formation, followed by productive and selective C-NAr and C-C bond formation to yield spirocyclic- or bicyclic 3H-indoles or benzazepinones. Our experiments demonstrate the breadth of these oxidative processes, uncover underlying fundamental elements that control selectivity, and demonstrate how the distinct reactivity patterns embedded in N-aryl nitrenoid reactive intermediates can enable access to functionalized 3H-indoles or benzazepinones.
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Affiliation(s)
- Tianning Deng
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, Illinois 60607-7061, United States
| | - Wrickban Mazumdar
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, Illinois 60607-7061, United States
| | - Russell L Ford
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, Illinois 60607-7061, United States
| | - Navendu Jana
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, Illinois 60607-7061, United States
| | - Ragda Izar
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, Illinois 60607-7061, United States
| | - Donald J Wink
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, Illinois 60607-7061, United States
| | - Tom G Driver
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, Illinois 60607-7061, United States
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13
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Banert K. Functionalized Allenes: Generation by Sigmatropic Rearrangement and Application in Heterocyclic Chemistry. CURR ORG CHEM 2020. [DOI: 10.2174/1385272823666191112102523] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The present review article summarizes the synthesis of allenes, which bear an adjacent functional group, by [3,3]- or [2,3]-sigmatropic rearrangement of appropriate propargyl substrates. Functionalized allenes, such as allenyl isothiocyanates, isoelenocyanates, isocyanates, thiocyanates, azides, azo compounds and others, are easily available by these methods. In several cases, however, the title compounds show high reactivity, which leads to rapid intermolecular or intramolecular successive reactions. Consequently, synthesis of the allenes by sigmatropic rearrangement has to be combined with special techniques, for example, flash vacuum pyrolysis or in situ generation and trapping reactions. The high tendency of the presented functionalized allenes to undergo cyclization reactions can be utilized to prepare heterocyclic products, for instance, thiazoles, selenazoles, 1,2,3-triazoles and pyrazoles. The synthesis of functionalized 1,3-butadienes by a second sigmatropic rearrangement of the title compounds is also successful.
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Affiliation(s)
- Klaus Banert
- Chemnitz University of Technology, Organic Chemistry, Strasse der Nationen 62, 09111 Chemnitz, Germany
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14
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Kaur N, Bhardwaj P, Devi M, Verma Y, Grewal P. Photochemical reactions in five and six-membered polyheterocycles synthesis. SYNTHETIC COMMUN 2019. [DOI: 10.1080/00397911.2019.1622732] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Navjeet Kaur
- Department of Chemistry, Banasthali Vidyapith, Banasthali, India
| | - Pranshu Bhardwaj
- Department of Chemistry, Banasthali Vidyapith, Banasthali, India
| | - Meenu Devi
- Department of Chemistry, Banasthali Vidyapith, Banasthali, India
| | - Yamini Verma
- Department of Chemistry, Banasthali Vidyapith, Banasthali, India
| | - Pooja Grewal
- Department of Chemistry, Banasthali Vidyapith, Banasthali, India
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15
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Harisha MB, Dhanalakshmi P, Suresh R, Kumar RR, Muthusubramanian S, Bhuvanesh N. TMSOTf-Catalysed Synthesis of 2,4,5-Trisubstituted Imidazoles from Vinyl Azides and Nitriles. ChemistrySelect 2019. [DOI: 10.1002/slct.201801543] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Mysore Bhyrappa Harisha
- Department of Organic Chemistry; School of Chemistry; Madurai Kamaraj university, Madurai -; 625 021 Tamil Nadu India
- Advinus Therapeutics Limited; A TATA Enterprise; Bangalore - 560 058 India
| | - Pandi Dhanalakshmi
- Department of Organic Chemistry; School of Chemistry; Madurai Kamaraj university, Madurai -; 625 021 Tamil Nadu India
| | - Rajendran Suresh
- Department of Organic Chemistry; School of Chemistry; Madurai Kamaraj university, Madurai -; 625 021 Tamil Nadu India
| | - Raju Ranjith Kumar
- Department of Organic Chemistry; School of Chemistry; Madurai Kamaraj university, Madurai -; 625 021 Tamil Nadu India
| | - Shanmugam Muthusubramanian
- Department of Organic Chemistry; School of Chemistry; Madurai Kamaraj university, Madurai -; 625 021 Tamil Nadu India
| | - Nattamai Bhuvanesh
- X-ray Diffraction Laboratory; Department of Chemistry; Texas A & M University; College Station TX77842 USA
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16
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Metal‐Free Regioselective Chloroazidation of Internal Alkynes. Chemistry 2018; 25:981-984. [DOI: 10.1002/chem.201805320] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Indexed: 12/12/2022]
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17
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Mikami S, Kawasaki M, Ikeda S, Negoro N, Nakamura S, Nomura I, Ashizawa T, Kokubo H, Hoffman ID, Zou H, Oki H, Uchiyama N, Hiura Y, Miyamoto M, Itou Y, Nakashima M, Iwashita H, Taniguchi T. Discovery of a Novel Series of Pyrazolo[1,5-a]pyrimidine-Based Phosphodiesterase 2A Inhibitors Structurally Different from N-((1S)-1-(3-Fluoro-4-(trifluoromethoxy)phenyl)-2-methoxyethyl)-7-methoxy-2-oxo-2,3-dihydropyrido[2,3-b]pyrazine-4(1H)-carboxamide (TAK-915), for the Treatment of Cognitive Disorders. Chem Pharm Bull (Tokyo) 2017; 65:1058-1077. [PMID: 29093293 DOI: 10.1248/cpb.c17-00564] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
It has been hypothesized that selective inhibition of phosphodiesterase (PDE) 2A could potentially be a novel approach to treat cognitive impairment in neuropsychiatric and neurodegenerative disorders through augmentation of cyclic nucleotide signaling pathways in brain regions associated with learning and memory. Following our earlier work, this article describes a drug design strategy for a new series of lead compounds structurally distinct from our clinical candidate 2 (TAK-915), and subsequent medicinal chemistry efforts to optimize potency, selectivity over other PDE families, and other preclinical properties including in vitro phototoxicity and in vivo rat plasma clearance. These efforts resulted in the discovery of N-((1S)-2-hydroxy-2-methyl-1-(4-(trifluoromethoxy)phenyl)propyl)-6-methyl-5-(3-methyl-1H-1,2,4-triazol-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxamide (20), which robustly increased 3',5'-cyclic guanosine monophosphate (cGMP) levels in the rat brain following an oral dose, and moreover, attenuated MK-801-induced episodic memory deficits in a passive avoidance task in rats. These data provide further support to the potential therapeutic utility of PDE2A inhibitors in enhancing cognitive performance.
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Affiliation(s)
- Satoshi Mikami
- Pharmaceutical Research Division, Takeda Pharmaceutical Company, Limited
| | - Masanori Kawasaki
- Pharmaceutical Research Division, Takeda Pharmaceutical Company, Limited
| | - Shuhei Ikeda
- Pharmaceutical Research Division, Takeda Pharmaceutical Company, Limited
| | - Nobuyuki Negoro
- Pharmaceutical Research Division, Takeda Pharmaceutical Company, Limited
| | - Shinji Nakamura
- Pharmaceutical Research Division, Takeda Pharmaceutical Company, Limited
| | - Izumi Nomura
- Pharmaceutical Research Division, Takeda Pharmaceutical Company, Limited
| | - Tomoko Ashizawa
- Pharmaceutical Research Division, Takeda Pharmaceutical Company, Limited
| | - Hironori Kokubo
- Pharmaceutical Research Division, Takeda Pharmaceutical Company, Limited
| | | | | | - Hideyuki Oki
- Pharmaceutical Research Division, Takeda Pharmaceutical Company, Limited
| | - Noriko Uchiyama
- Pharmaceutical Research Division, Takeda Pharmaceutical Company, Limited
| | - Yuuto Hiura
- Pharmaceutical Research Division, Takeda Pharmaceutical Company, Limited
| | - Maki Miyamoto
- Pharmaceutical Research Division, Takeda Pharmaceutical Company, Limited
| | - Yuuki Itou
- Pharmaceutical Research Division, Takeda Pharmaceutical Company, Limited
| | - Masato Nakashima
- Pharmaceutical Research Division, Takeda Pharmaceutical Company, Limited
| | - Hiroki Iwashita
- Pharmaceutical Research Division, Takeda Pharmaceutical Company, Limited
| | - Takahiko Taniguchi
- Pharmaceutical Research Division, Takeda Pharmaceutical Company, Limited
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18
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Hayashi H, Kaga A, Chiba S. Application of Vinyl Azides in Chemical Synthesis: A Recent Update. J Org Chem 2017; 82:11981-11989. [DOI: 10.1021/acs.joc.7b02455] [Citation(s) in RCA: 91] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Hirohito Hayashi
- Division of Chemistry and
Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371
| | - Atsushi Kaga
- Division of Chemistry and
Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371
| | - Shunsuke Chiba
- Division of Chemistry and
Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371
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19
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Banert K, Chityala M, Hagedorn M, Beckers H, Stüker T, Riedel S, Rüffer T, Lang H. Tricyanmethan und sein Ketenimin-Tautomer: Bildung aus verschiedenen Vorstufen sowie Analyse in Lösung, in einer Argonmatrix und im Einkristall. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201704561] [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)
- Klaus Banert
- Organische Chemie; Technische Universität Chemnitz; Straße der Nationen 62 09111 Chemnitz Deutschland
| | - Madhu Chityala
- Organische Chemie; Technische Universität Chemnitz; Straße der Nationen 62 09111 Chemnitz Deutschland
| | - Manfred Hagedorn
- Organische Chemie; Technische Universität Chemnitz; Straße der Nationen 62 09111 Chemnitz Deutschland
| | - Helmut Beckers
- Institut für Chemie und Biochemie; Anorganische Chemie; Freie Universität Berlin; Fabeckstraße 34-36 14195 Berlin Deutschland
| | - Tony Stüker
- Institut für Chemie und Biochemie; Anorganische Chemie; Freie Universität Berlin; Fabeckstraße 34-36 14195 Berlin Deutschland
| | - Sebastian Riedel
- Institut für Chemie und Biochemie; Anorganische Chemie; Freie Universität Berlin; Fabeckstraße 34-36 14195 Berlin Deutschland
| | - Tobias Rüffer
- Anorganische Chemie; Technische Universität Chemnitz; Deutschland
| | - Heinrich Lang
- Anorganische Chemie; Technische Universität Chemnitz; Deutschland
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20
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Banert K, Chityala M, Hagedorn M, Beckers H, Stüker T, Riedel S, Rüffer T, Lang H. Tricyanomethane and Its Ketenimine Tautomer: Generation from Different Precursors and Analysis in Solution, Argon Matrix, and as a Single Crystal. Angew Chem Int Ed Engl 2017; 56:9582-9586. [DOI: 10.1002/anie.201704561] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Indexed: 11/06/2022]
Affiliation(s)
- Klaus Banert
- Chemnitz University of Technology; Organic Chemistry; Strasse der Nationen 62 09111 Chemnitz Germany
| | - Madhu Chityala
- Chemnitz University of Technology; Organic Chemistry; Strasse der Nationen 62 09111 Chemnitz Germany
| | - Manfred Hagedorn
- Chemnitz University of Technology; Organic Chemistry; Strasse der Nationen 62 09111 Chemnitz Germany
| | - Helmut Beckers
- Institut für Chemie und Biochemie; Anorganische Chemie; Freie Universität Berlin; Fabeckstrasse 34-36 14195 Berlin Germany
| | - Tony Stüker
- Institut für Chemie und Biochemie; Anorganische Chemie; Freie Universität Berlin; Fabeckstrasse 34-36 14195 Berlin Germany
| | - Sebastian Riedel
- Institut für Chemie und Biochemie; Anorganische Chemie; Freie Universität Berlin; Fabeckstrasse 34-36 14195 Berlin Germany
| | - Tobias Rüffer
- Chemnitz University of Technology; Inorganic Chemistry; Strasse der Nationen 62 09111 Chemnitz Germany
| | - Heinrich Lang
- Chemnitz University of Technology; Inorganic Chemistry; Strasse der Nationen 62 09111 Chemnitz Germany
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21
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Facile consecutive three-component synthesis of 3,5-disubstituted isoxazoles. Chem Heterocycl Compd (N Y) 2017. [DOI: 10.1007/s10593-017-2069-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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22
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Akula HK, Kokatla H, Andrei G, Snoeck R, Schols D, Balzarini J, Yang L, Lakshman MK. Facile functionalization at the C4 position of pyrimidine nucleosides via amide group activation with (benzotriazol-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate (BOP) and biological evaluations of the products. Org Biomol Chem 2017; 15:1130-1139. [PMID: 28054092 PMCID: PMC5367150 DOI: 10.1039/c6ob02334g] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Reactions of O-t-butyldimethylsilyl-protected thymidine, 2'-deoxyuridine, and 3'-azidothymidine (AZT) with (benzotriazol-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate (BOP) leads to activation of the C4 amide carbonyl by formation of putative O4-(benzotriazol-1-yl) derivatives. Subsequent substitution with alkyl and aryl amines, thiols, and alcohols leads to facile functionalization at this position. Reactions with amines and thiols were conducted either as a two-step, one-pot transformation, or as a one-step conversion. Reactions with alcohols were conducted as two-step, one-pot transformations. In the course of these investigations, the formation of 1-(4-pyrimidinyl)-1H-benzotriazole-3-oxide derivatives from the pyrimidine nucleosides was identified. However, these too underwent conversion to the desired products. Products obtained from AZT were converted to the 3'-amino derivatives by catalytic reduction. All products were assayed for their abilities to inhibit cancer cell proliferation and for antiviral activities. Many were seen to be active against HIV-1 and HIV-2, and one was active against herpes simplex virus-1 (HSV-1).
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Affiliation(s)
- Hari K Akula
- Department of Chemistry and Biochemistry, The City College of New York, 160 Convent Avenue, New York, New York 10031, USA. and The Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, New York, New York 10016, USA
| | - Hariprasad Kokatla
- Department of Chemistry and Biochemistry, The City College of New York, 160 Convent Avenue, New York, New York 10031, USA.
| | - Graciela Andrei
- Laboratory of Virology and Chemotherapy, Rega Institute for Medical Research, Herestraat 49, Postbus 1043, 3000 Leuven, Belgium
| | - Robert Snoeck
- Laboratory of Virology and Chemotherapy, Rega Institute for Medical Research, Herestraat 49, Postbus 1043, 3000 Leuven, Belgium
| | - Dominique Schols
- Laboratory of Virology and Chemotherapy, Rega Institute for Medical Research, Herestraat 49, Postbus 1043, 3000 Leuven, Belgium
| | - Jan Balzarini
- Laboratory of Virology and Chemotherapy, Rega Institute for Medical Research, Herestraat 49, Postbus 1043, 3000 Leuven, Belgium
| | - Lijia Yang
- Department of Chemistry and Biochemistry, The City College of New York, 160 Convent Avenue, New York, New York 10031, USA.
| | - Mahesh K Lakshman
- Department of Chemistry and Biochemistry, The City College of New York, 160 Convent Avenue, New York, New York 10031, USA. and The Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, New York, New York 10016, USA
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23
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Fu J, Zanoni G, Anderson EA, Bi X. α-Substituted vinyl azides: an emerging functionalized alkene. Chem Soc Rev 2017; 46:7208-7228. [DOI: 10.1039/c7cs00017k] [Citation(s) in RCA: 126] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Vinyl azides are highly versatile synthons that provide access to numerous N-heterocycles and other functional groups.
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Affiliation(s)
- Junkai Fu
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis
- Northeast Normal University
- Changchun 130024
- China
| | - Giuseppe Zanoni
- Department of Chemistry
- University of Pavia
- 10-27100 Pavia
- Italy
| | | | - Xihe Bi
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis
- Northeast Normal University
- Changchun 130024
- China
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24
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Curiel Tejeda JE, Irwin LC, Kerr MA. Annulation Reactions of Donor–Acceptor Cyclopropanes with (1-Azidovinyl)benzene and 3-Phenyl-2H-azirine. Org Lett 2016; 18:4738-41. [DOI: 10.1021/acs.orglett.6b02409] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
| | - Lauren C. Irwin
- Department
of Chemistry, The University of Western Ontario, London, Ontario, Canada N6A 5B7
| | - Michael A. Kerr
- Department
of Chemistry, The University of Western Ontario, London, Ontario, Canada N6A 5B7
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25
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Hu B, DiMagno SG. Reactivities of vinyl azides and their recent applications in nitrogen heterocycle synthesis. Org Biomol Chem 2015; 13:3844-55. [PMID: 25731154 DOI: 10.1039/c5ob00099h] [Citation(s) in RCA: 138] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Nitrogen heterocycles are abundant in natural products and pharmaceuticals. An emerging interest among synthetic chemists is to apply vinyl azides as a pivotal three-atom synthon for the construction of structurally complex and diverse N-heterocyclic skeletons. The unique features of the azide group connected to an alkene moiety permit vinyl azides to function as electrophiles, nucleophiles, or radical acceptors; their access to diverse reaction pathways provides great opportunities to generate highly reactive intermediates with often unusual or unconventional reactivities. This tutorial review will systematically illustrate the reactivities of vinyl azides and describe recent breakthroughs in the development of new transformations that create N-heterocycles.
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Affiliation(s)
- Bao Hu
- Institute of Industrial Catalysis, Zhejiang University of Technology, Hangzhou 310014, China.
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26
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Tiwari DK, Maurya RA, Nanubolu JB. Visible-Light/Photoredox-Mediated sp3
CH Functionalization and Coupling of Secondary Amines with Vinyl Azides in Flow Microreactors. Chemistry 2015; 22:526-30. [DOI: 10.1002/chem.201504292] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2015] [Indexed: 01/09/2023]
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27
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Synthesis, Characterization and Reactions of (Azidoethynyl)trimethylsilane. Molecules 2015; 20:21328-35. [PMID: 26633330 PMCID: PMC6332308 DOI: 10.3390/molecules201219770] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2015] [Revised: 11/20/2015] [Accepted: 11/23/2015] [Indexed: 11/17/2022] Open
Abstract
Synthesis of azido(trimethylsilyl)acetylene (6) was performed by treating the iodonium salt 5 with highly soluble hexadecyltributylphosphonium azide (QN3) at −40 °C. Although this product is very unstable, it can nevertheless be trapped by the click reaction with cyclooctyne to give the corresponding 1,2,3-triazole, and also directly characterized by 1H- and 13C-NMR data as well as IR-spectra, which were measured in solution at low temperature and in the gas phase. The thermal or photochemical decay of azide 6 leads to cyano(trimethylsilyl)carbene. This is demonstrated not only by quantum chemical calculations, but also by the trapping reactions with the help of isobutene.
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28
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Wu Y, Zhu L, Yu Y, Luo X, Huang X. Polysubstituted 2-Aminopyrrole Synthesis via Gold-Catalyzed Intermolecular Nitrene Transfer from Vinyl Azide to Ynamide: Reaction Scope and Mechanistic Insights. J Org Chem 2015; 80:11407-16. [DOI: 10.1021/acs.joc.5b02057] [Citation(s) in RCA: 85] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yufeng Wu
- College
of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou, Fujian 350108, P. R. China
| | - Lei Zhu
- Key
Laboratory of Coal to Ethylene Glycol and Its Related Technology,
Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
| | - Yinghua Yu
- Key
Laboratory of Coal to Ethylene Glycol and Its Related Technology,
Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
| | - Xuesong Luo
- School
of Chemistry and Chemical Engineering, Shihezi University, Xinjiang Uygur Autonomous
Region, 832000, P. R. China
| | - Xueliang Huang
- Key
Laboratory of Coal to Ethylene Glycol and Its Related Technology,
Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
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29
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Jana N, Nguyen Q, Driver TG. Development of a Suzuki cross-coupling reaction between 2-azidoarylboronic pinacolate esters and vinyl triflates to enable the synthesis of [2,3]-fused indole heterocycles. J Org Chem 2014; 79:2781-91. [PMID: 24571492 PMCID: PMC3985933 DOI: 10.1021/jo500252e] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2014] [Indexed: 01/16/2023]
Abstract
The scope and limitations of a Suzuki reaction between 2-azidoarylboronic acid pinacolate esters and vinyl triflates are reported. This cross-coupling reaction enables the regioselective synthesis of indoles after a subsequent Rh(II)2-catalyzed sp(2)-C-H bond amination reaction.
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Affiliation(s)
- Navendu Jana
- Department
of Chemistry, University of Illinois at
Chicago, 845 West Taylor
Street, Chicago, Illinois 60607, United States
| | - Quyen Nguyen
- Department
of Chemistry, University of Illinois at
Chicago, 845 West Taylor
Street, Chicago, Illinois 60607, United States
| | - Tom G. Driver
- Department
of Chemistry, University of Illinois at
Chicago, 845 West Taylor
Street, Chicago, Illinois 60607, United States
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30
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Zhou Y, Yan X, Chen C, Xi C. Copper-Mediated Reaction of Zirconacyclopentadienes with Azides: A One-Pot Three-Component Synthesis of Multiply Substituted Pyrroles from One Azide and Two Alkynes. Organometallics 2013. [DOI: 10.1021/om400988g] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Yiqing Zhou
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, People’s Republic of China
| | - Xiaoyu Yan
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, People’s Republic of China
| | - Chao Chen
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, People’s Republic of China
| | - Chanjuan Xi
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, People’s Republic of China
- State Key Laboratory
of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, People’s Republic of China
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31
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Jung N, Bräse S. Vinyl and alkynyl azides: well-known intermediates in the focus of modern synthetic methods. Angew Chem Int Ed Engl 2012; 51:12169-71. [PMID: 23097305 DOI: 10.1002/anie.201206409] [Citation(s) in RCA: 101] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2012] [Indexed: 11/10/2022]
Affiliation(s)
- Nicole Jung
- IOC-ComPlat and ITG, KIT-Campus North, Hermann-von-Helmholtz Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
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32
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Ng EPJ, Wang YF, Hui BWQ, Lapointe G, Chiba S. Orthogonal synthesis of pyrroles and 1,2,3-triazoles from vinyl azides and 1,3-dicarbonyl compounds. Tetrahedron 2011. [DOI: 10.1016/j.tet.2011.08.006] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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33
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O'Brien AG, Lévesque F, Seeberger PH. Continuous flow thermolysis of azidoacrylates for the synthesis of heterocycles and pharmaceutical intermediates. Chem Commun (Camb) 2011; 47:2688-90. [DOI: 10.1039/c0cc04481d] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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34
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Jana S, Clements MD, Sharp BK, Zheng N. Fe(II)-catalyzed amination of aromatic C-H bonds via ring opening of 2H-azirines: synthesis of 2,3-disubstituted indoles. Org Lett 2010; 12:3736-9. [PMID: 20681598 DOI: 10.1021/ol101130e] [Citation(s) in RCA: 128] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A general method for the synthesis of 2,3-disubstituted indoles is described. The key feature of this method is the amination of aromatic C-H bonds via FeCl(2)-catalyzed ring opening of 2H-azirines. The method tolerates a variety of functional groups such as Br, F, NO(2), OMe, CF(3), OTBS, alkenes, and OPiv. The method can also be extended to synthesize azaindoles.
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Affiliation(s)
- Samaresh Jana
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas 72701, USA
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35
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Driver TG. Recent advances in transition metal-catalyzed N-atom transfer reactions of azides. Org Biomol Chem 2010; 8:3831-46. [PMID: 20617243 PMCID: PMC3095841 DOI: 10.1039/c005219c] [Citation(s) in RCA: 357] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Transition metal-catalyzed N-atom transfer reactions of azides provide efficient ways to construct new carbon-nitrogen and sulfur-nitrogen bonds. These reactions are inherently green: no additive besides catalyst is needed to form the nitrenoid reactive intermediate, and the by-product of the reaction is environmentally benign N(2) gas. As such, azides can be useful precursors for transition metal-catalyzed N-atom transfer to sulfides, olefins and C-H bonds. These methods offer competitive selectivities and comparable substrate scope as alternative processes to generate metal nitrenoids.
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Affiliation(s)
- Tom G Driver
- University of Illinois at Chicago, Department of Chemistry, 845 W. Taylor St., Chicago, IL 60607, USA
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36
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Saalfrank RW, Ackermann E, Fischer M, Weiß B, Carrié R, Danion D, Peters K, Von Schnering HG. Synthese Und Eigenschaften Geminaler Bisphosphazide Und Bisphosphinimine Kristall-Und Molekülstruktur Von (δ)-3-Amino-2-Cyan-7-(Diphenylphosphinoyl)-5,5-Diphenyl-4-Aza-5λ5-Phospha-2,4-Heptadiensaure-Methylester. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/bscb.19850940706] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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37
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L'abbé G, Mahy M, Bollyn M, Germain G, Scheefer G. Approaches Towards the Synthesis of Allenyl Azides. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/bscb.19830921010] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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38
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Stokes BJ, Jovanović B, Dong H, Richert KJ, Riell RD, Driver TG. Rh(2)(II)-catalyzed synthesis of carbazoles from biaryl azides. J Org Chem 2009; 74:3225-8. [PMID: 19296584 PMCID: PMC2743530 DOI: 10.1021/jo9002536] [Citation(s) in RCA: 166] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
An array of carbazoles (23 examples) can be synthesized from substituted biaryl azides at 60 degrees C using substoichiometric quantities of Rh(2)(O(2)CC(3)F(7))(4) or Rh(2)(O(2)CC(7)H(15))(4).
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Affiliation(s)
- Benjamin J. Stokes
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, IL, 60607
| | - Brankica Jovanović
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, IL, 60607
| | - Huijun Dong
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, IL, 60607
| | - Kathleen J. Richert
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, IL, 60607
| | - Ryan D. Riell
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, IL, 60607
| | - Tom G. Driver
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, IL, 60607
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39
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Indole synthesis: palladium-catalyzed C–H bond amination via reduction of nitroalkenes with carbon monoxide. Tetrahedron 2009. [DOI: 10.1016/j.tet.2008.11.034] [Citation(s) in RCA: 70] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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40
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4-Halo-1,3-oxazoles: Unambiguous structural assignment of 2-halo-2-benzoyl-2H-azirine-3-carboxylates thermal ring expansion products. J Mol Struct 2009. [DOI: 10.1016/j.molstruc.2008.08.014] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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41
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Shen M, Leslie BE, Driver TG. Dirhodium(II)-catalyzed intramolecular C-H amination of aryl azides. Angew Chem Int Ed Engl 2008; 47:5056-9. [PMID: 18512215 DOI: 10.1002/anie.200800689] [Citation(s) in RCA: 243] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Meihua Shen
- Department of Chemistry, University of Illinois at Chicago, 845 W. Taylor St., Chicago, IL 60607, USA
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42
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Shen M, Driver TG. Iron(II) Bromide-Catalyzed Synthesis of Benzimidazoles from Aryl Azides. Org Lett 2008; 10:3367-70. [PMID: 18597473 DOI: 10.1021/ol801227f] [Citation(s) in RCA: 145] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Meihua Shen
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, Illinois, 60607-7061
| | - Tom G. Driver
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, Illinois, 60607-7061
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43
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Shen M, Leslie B, Driver T. Dirhodium(II)-Catalyzed Intramolecular CH Amination of Aryl Azides. Angew Chem Int Ed Engl 2008. [DOI: 10.1002/ange.200800689] [Citation(s) in RCA: 87] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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44
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Alonso-Cruz CR, Kennedy AR, Rodríguez MS, Suárez E. Synthesis of Polyhydroxylated 2H-Azirines and 2-Halo-2H-azirines from 3-Azido-2,3-dideoxyhexopyranoses by Alkoxyl Radical Fragmentation. J Org Chem 2008; 73:4116-22. [DOI: 10.1021/jo800182y] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Carmen R. Alonso-Cruz
- Instituto de Productos Naturales y Agrobiología del C.S.I.C., Carretera de La Esperanza 3, 38206 La Laguna, Tenerife, Spain, and WestCHEM Department of Pure and Applied Chemistry, University of Strathclyde, Glasgow G1 1XL, United Kingdom
| | - Alan R. Kennedy
- Instituto de Productos Naturales y Agrobiología del C.S.I.C., Carretera de La Esperanza 3, 38206 La Laguna, Tenerife, Spain, and WestCHEM Department of Pure and Applied Chemistry, University of Strathclyde, Glasgow G1 1XL, United Kingdom
| | - María S. Rodríguez
- Instituto de Productos Naturales y Agrobiología del C.S.I.C., Carretera de La Esperanza 3, 38206 La Laguna, Tenerife, Spain, and WestCHEM Department of Pure and Applied Chemistry, University of Strathclyde, Glasgow G1 1XL, United Kingdom
| | - Ernesto Suárez
- Instituto de Productos Naturales y Agrobiología del C.S.I.C., Carretera de La Esperanza 3, 38206 La Laguna, Tenerife, Spain, and WestCHEM Department of Pure and Applied Chemistry, University of Strathclyde, Glasgow G1 1XL, United Kingdom
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45
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Chiba S, Wang YF, Lapointe G, Narasaka K. Synthesis of Polysubstituted N-H Pyrroles from Vinyl Azides and 1,3-Dicarbonyl Compounds. Org Lett 2007; 10:313-6. [DOI: 10.1021/ol702727j] [Citation(s) in RCA: 164] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Shunsuke Chiba
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Yi-Feng Wang
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Guillaume Lapointe
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Koichi Narasaka
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
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46
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Dong H, Shen M, Redford JE, Stokes BJ, Pumphrey AL, Driver TG. Transition Metal-Catalyzed Synthesis of Pyrroles from Dienyl Azides. Org Lett 2007; 9:5191-4. [PMID: 17994755 DOI: 10.1021/ol702262f] [Citation(s) in RCA: 126] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Huijun Dong
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, Illinois 60607-7061
| | - Meihua Shen
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, Illinois 60607-7061
| | - Joanne E. Redford
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, Illinois 60607-7061
| | - Benjamin J. Stokes
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, Illinois 60607-7061
| | - Ashley L. Pumphrey
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, Illinois 60607-7061
| | - Tom G. Driver
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, Illinois 60607-7061
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47
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Alonso-Cruz CR, Kennedy AR, Rodríguez MS, Suárez E. Alkoxyl radical fragmentation of 3-azido-2,3-dideoxy-2-halo-hexopyranoses: a new entry to chiral polyhydroxylated 2-azido-1-halo-1-alkenes. Tetrahedron Lett 2007. [DOI: 10.1016/j.tetlet.2007.07.190] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Alajarín M, Cabrera J, Pastor A, Villalgordo JM. A new modular and flexible approach to [1,2,3]triazolo[1,5-a][1,4]benzodiazepines. Tetrahedron Lett 2007. [DOI: 10.1016/j.tetlet.2007.03.121] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Bräse S, Gil C, Knepper K, Zimmermann V. Organic azides: an exploding diversity of a unique class of compounds. Angew Chem Int Ed Engl 2006; 44:5188-240. [PMID: 16100733 DOI: 10.1002/anie.200400657] [Citation(s) in RCA: 1636] [Impact Index Per Article: 90.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Since the discovery of organic azides by Peter Griess more than 140 years ago, numerous syntheses of these energy-rich molecules have been developed. In more recent times in particular, completely new perspectives have been developed for their use in peptide chemistry, combinatorial chemistry, and heterocyclic synthesis. Organic azides have assumed an important position at the interface between chemistry, biology, medicine, and materials science. In this Review, the fundamental characteristics of azide chemistry and current developments are presented. The focus will be placed on cycloadditions (Huisgen reaction), aza ylide chemistry, and the synthesis of heterocycles. Further reactions such as the aza-Wittig reaction, the Sundberg rearrangement, the Staudinger ligation, the Boyer and Boyer-Aubé rearrangements, the Curtius rearrangement, the Schmidt rearrangement, and the Hemetsberger rearrangement bear witness to the versatility of modern azide chemistry.
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Affiliation(s)
- Stefan Bräse
- Institut für Organische Chemie, Universität Karlsruhe TH, Germany.
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Carrié R, Danion D, Ackermann E, Saalfrank RW. Substituentenabhängige Konkurrenz zwischen 1,5- und 3,5-Cyclisierung bei Vinylaziden; 4H-Triazole aus 3,3-Diazido-2-cyanacrylsäure-methylester und primären Aminen. Angew Chem Int Ed Engl 2006. [DOI: 10.1002/ange.19820940413] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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