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Mamedov VA, Zhukova NA, Syakaev VV, Gubaidullin AT, Samigullina AI, Beschastnova TN, Perevalova DS, Babaeva OB, Rizvanov IDK, Sinyashin OG. AcOH-Catalyzed Rearrangements of Benzo[ e][1,4]diazepin-2(and 3)-ones: Easy Access to 1,4-Dihydroquinazolines and Their Condensed Analogues. J Org Chem 2024; 89:14577-14585. [PMID: 39297490 DOI: 10.1021/acs.joc.4c01721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/05/2024]
Abstract
Presented herein is a novel synthesis of new 2-(quinolin-4-yl)-1,4-dihydroquinazoline systems 8, in which the acid-catalyzed rearrangement of spiro[benzo[e][1,4]diazepine-3,4'-quinolin]-2(1H)-ones generated in situ from 3-(2-aminophenyl)-5H-benzo[e][1,4]diazepin-2(1H)-ones 6 with acetone and alkylmethyl ketones has been realized as an important step. An attempt to synthesize isomeric 2-(2-aminophenyl)-5H-benzo[e][1,4]diazepin-3(4H)-one 6'a by hydrolysis of the corresponding N-{2-[5H-benzo[e][1,4]diazepin-3(4H)-on-2-yl]phenyl}acetamide 5'a led to a new heterocyclic system, 6-methyl-8,13-dihydro-13aH-quinazolino[4,3-b]quinazolin-5-ium 13a-carboxylate 14, as a result of an unexpected rearrangement. In addition, it is noteworthy that during the hydrolysis of N-{2-[5H-benzo[e][1,4]diazepin-2(1H)-on-3-yl]phenyl}acetamides 5, the not previously described 14-dihydro-5H-14,5a-(epimino[1,2]benzo)benzo[5,6][1,4]diazepin[2,1-b]quinazolin-6(7H)-ones 7 were unexpectedly obtained.
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Affiliation(s)
- Vakhid A Mamedov
- A. E. Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, 420088 Kazan, Russian Federation
| | - Nataliya A Zhukova
- A. E. Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, 420088 Kazan, Russian Federation
| | - Victor V Syakaev
- A. E. Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, 420088 Kazan, Russian Federation
| | - Aidar T Gubaidullin
- A. E. Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, 420088 Kazan, Russian Federation
| | - Aida I Samigullina
- A. E. Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, 420088 Kazan, Russian Federation
| | - Tat'yana N Beschastnova
- A. E. Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, 420088 Kazan, Russian Federation
| | - Darya S Perevalova
- A. E. Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, 420088 Kazan, Russian Federation
| | - Olga B Babaeva
- A. E. Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, 420088 Kazan, Russian Federation
| | - Il Dar Kh Rizvanov
- A. E. Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, 420088 Kazan, Russian Federation
| | - Oleg G Sinyashin
- A. E. Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, 420088 Kazan, Russian Federation
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Qu ZW, Zhu H, Grimme S. Mechanism of Alkaline Earth Metal Amide Catalyzed Hydrogenation of Challenging Alkenes and Arenes. CHEMSUSCHEM 2024:e202400754. [PMID: 38819082 DOI: 10.1002/cssc.202400754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 05/24/2024] [Accepted: 05/31/2024] [Indexed: 06/01/2024]
Abstract
Recently, bulky alkaline earth (Ae=Mg, Ca, Sr, Ba) metal amide complexes AeN"2 (N"=N[Si(iPr)3]2) are shown to be active for catalyzing the hydrogenation of unactivated alkenes and arenes, presumably via the monomer N"AeH as catalyst. In sharp contrast, our extensive DFT calculations disclose that the double Ae-H-Ae bridged dimer (N"AeH)2 is kinetically more favorable in catalytic hydrogenation with H2, although rate-limited by the initial hydrogenolysis of AeN"2 to form the monomer N"AeH.
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Affiliation(s)
- Zheng-Wang Qu
- Mulliken Center for Theoretical Chemistry, University of Bonn, Beringstr. 4, 53115, Bonn, Germany
| | - Hui Zhu
- Mulliken Center for Theoretical Chemistry, University of Bonn, Beringstr. 4, 53115, Bonn, Germany
| | - Stefan Grimme
- Mulliken Center for Theoretical Chemistry, University of Bonn, Beringstr. 4, 53115, Bonn, Germany
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Qu ZW, Zhu H, Streubel R, Grimme S. Catalytic Isomerization of Unprotected Mesoionic N‐heterocyclic Olefins and Their Lewis Adducts. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Zheng-Wang Qu
- University of Bonn: Rheinische Friedrich-Wilhelms-Universitat Bonn Mulliken Center for Theoretical Chemistry Beringstr. 4 D-53115 Bonn GERMANY
| | - Hui Zhu
- University of Bonn: Rheinische Friedrich-Wilhelms-Universitat Bonn Mulliken Center for Theoretical Chemistry Bonn GERMANY
| | - Rainer Streubel
- University of Bonn: Rheinische Friedrich-Wilhelms-Universitat Bonn Institut für Anorganische Chemie Bonn GERMANY
| | - Stefan Grimme
- University of Bonn: Rheinische Friedrich-Wilhelms-Universitat Bonn Mulliken Center for Theoretical Chemistry Bonn GERMANY
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Qu ZW, Zhu H, Grimme S. Acid‐Catalyzed Carbene Transfer from Diazo Compounds: Carbocation versus Carbene as Key Intermediate. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Zheng-Wang Qu
- University of Bonn: Rheinische Friedrich-Wilhelms-Universitat Bonn Mulliken Center for Theoretical Chemistry Beringstr. 4 D-53115 Bonn GERMANY
| | - Hui Zhu
- Universität Bonn: Rheinische Friedrich-Wilhelms-Universitat Bonn Mulliken Center for Theoretical Chemistry Bonn GERMANY
| | - Stefan Grimme
- Universität Bonn: Rheinische Friedrich-Wilhelms-Universitat Bonn Mulliken Center for Theoretical Chemistry Bonn GERMANY
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Mamedov VA, Galimullina VR, Kadyrova SF, Rizvanov IK, Latypov SK. A concise synthesis of indolin-2-ones via direct acid-catalyzed intramolecular Friedel-Crafts alkylation of 3-chloro-N-(substituted)-2-oxo-N,3-diarylpropanamides. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.153797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Qu ZW, Zhu H, Streubel R, Grimme S. Catalyst-free CO2 Hydrogenation with BH3NH3 in Water: DFT Mechanistic Insights. Phys Chem Chem Phys 2022; 24:14159-14164. [DOI: 10.1039/d2cp00590e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Extensive DFT calculations show that BH3NH3 may transfer dihydrogen to CO2 rather than HCO3- in water over a barrier of 25.9 kcal/mol, followed by faster hydride transfer from borate anions...
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Li S, Feng L, Ma C. Simple and green synthesis of benzimidazoles and pyrrolo[1,2- a]quinoxalines via Mamedov heterocycle rearrangement. NEW J CHEM 2021. [DOI: 10.1039/d1nj01251g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
This method is metal and catalyst-free and only solvent (HOAc) is required with H2O as the sole byproduct.
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Affiliation(s)
- Shichen Li
- School of Chemistry and Chemical Engineering Shandong University Jinan
- Shandong
- P. R. China
| | - Lei Feng
- School of Chemistry and Chemical Engineering Shandong University Jinan
- Shandong
- P. R. China
| | - Chen Ma
- School of Chemistry and Chemical Engineering Shandong University Jinan
- Shandong
- P. R. China
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