1
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Hammarback LA, Medina-Gil T, Sadurní A, Echavarren AM. Three-Component Gold(I)-Catalyzed Alkoxyvinylation. Org Lett 2024; 26:6375-6379. [PMID: 39025472 DOI: 10.1021/acs.orglett.4c02102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2024]
Abstract
Acetylene has been underexploited despite being a highly valuable feedstock for chemical synthesis. We have developed the first true gold(I)-catalyzed intermolecular three-component reaction between acetylene, alkenes, and alcohols to afford β-vinyl hemiaminal scaffolds from N-vinyl amides. Unusual biscyclopropyl and 3-vinyl N-heterocyclic scaffolds were obtained through the incorporation of a second N-vinyl unit or tethered alkene into the starting material.
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Affiliation(s)
- L Anders Hammarback
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology (BIST), 43007 Tarragona, Spain
| | - Tania Medina-Gil
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology (BIST), 43007 Tarragona, Spain
- Departament de Química Orgànica i Analítica, Universitat Rovira i Virgili (URV), 43007 Tarragona, Spain
| | - Anna Sadurní
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology (BIST), 43007 Tarragona, Spain
| | - Antonio M Echavarren
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology (BIST), 43007 Tarragona, Spain
- Departament de Química Orgànica i Analítica, Universitat Rovira i Virgili (URV), 43007 Tarragona, Spain
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2
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Wang B, You X, Wang J, Li Z. Highly Stereoselective Synthesis of 2-Acyl-3-sulfonamidobut-2-enoates Using Solid Calcium Carbide as a Substitute for Gaseous Acetylene. Org Lett 2024; 26:6269-6273. [PMID: 39016214 DOI: 10.1021/acs.orglett.4c02275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/18/2024]
Abstract
Multifunctional group compounds, 2-acyl-3-sulfonamidobut-2-enoates, are efficiently constructed using solid calcium carbide as an alkyne source through the simultaneous formation of two bonds in one step. The salient features of this protocol are the use of an inexpensive, abundant, and easy-to-use alkyne source as a substitute for flammable and explosive gaseous acetylene, low-cost catalyst, mild conditions, wide substrate scope, high stereoselectivity, satisfactory yield, and simple manipulation. This method can also be extended to the gram scale.
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Affiliation(s)
- Botao Wang
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Xinjie You
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Jiao Wang
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Zheng Li
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
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3
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Johnson CL, Storm DJ, Sajjad MA, Gyton MR, Duckett SB, Macgregor SA, Weller AS, Navarro M, Campos J. A Gold(I)-Acetylene Complex Synthesised using Single-Crystal Reactivity. Angew Chem Int Ed Engl 2024; 63:e202404264. [PMID: 38699962 DOI: 10.1002/anie.202404264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 05/01/2024] [Accepted: 05/03/2024] [Indexed: 05/05/2024]
Abstract
Using single-crystal to single-crystal solid/gas reactivity the gold(I) acetylene complex [Au(L1)(η2-HC≡CH)][BArF 4] is cleanly synthesized by addition of acetylene gas to single crystals of [Au(L1)(CO)][BArF 4] [L1=tris-2-(4,4'-di-tert-butylbiphenyl)phosphine, ArF=3,5-(CF3)2C6H3]. This simplest gold-alkyne complex has been characterized by single crystal X-ray diffraction, solution and solid-state NMR spectroscopy and periodic DFT. Bonding of HC≡CH with [Au(L1)]+ comprises both σ-donation and π-backdonation with additional dispersion interactions within the cavity-shaped phosphine.
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Affiliation(s)
- Chloe L Johnson
- Department of Chemistry, University of York, York, YO10 5DD, UK
| | - Daniel J Storm
- EaStCHEM School of Chemistry, University of St Andrews, North Haugh, St Andrews, KY16 9ST, UK
| | - M Arif Sajjad
- EaStCHEM School of Chemistry, University of St Andrews, North Haugh, St Andrews, KY16 9ST, UK
| | - Matthew R Gyton
- Department of Chemistry, University of York, York, YO10 5DD, UK
| | - Simon B Duckett
- Department of Chemistry, University of York, York, YO10 5DD, UK
| | - Stuart A Macgregor
- EaStCHEM School of Chemistry, University of St Andrews, North Haugh, St Andrews, KY16 9ST, UK
| | - Andrew S Weller
- Department of Chemistry, University of York, York, YO10 5DD, UK
| | - Miquel Navarro
- Instituto de Investigaciones Químicas (IIQ), Departamento de Química Inorgánica and Centro de Innovación en Química Avanzada (ORFEO-CINQA), Consejo Superior de Investigaciones Científicas (CSIC) and University of Sevilla, 41092, Sevilla, Spain
| | - Jesús Campos
- Instituto de Investigaciones Químicas (IIQ), Departamento de Química Inorgánica and Centro de Innovación en Química Avanzada (ORFEO-CINQA), Consejo Superior de Investigaciones Científicas (CSIC) and University of Sevilla, 41092, Sevilla, Spain
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4
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You X, Wang B, Wen F, Li Z. Construction of pyrazolo[1,5- a]pyrimidines and pyrimido[1,2- b]indazoles with calcium carbide as an alkyne source. Org Biomol Chem 2024; 22:5822-5826. [PMID: 38953741 DOI: 10.1039/d4ob00881b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/04/2024]
Abstract
An efficient method for the construction of 5-arylpyrazolo[1,5-a]pyrimidines using calcium carbide as a solid alkyne source instead of flammable and explosive gaseous acetylene, pyrazole-3-amine and (hetero)aromatic aldehydes as starting materials in the presence of a copper mediator is described. Meanwhile, 2-arylpyrimido[1,2-b]indazoles are also synthesized under similar conditions using indazole-3-amine as a substitute for pyrazole-3-amine as a starting material. The method has salient features such as the use of an inexpensive and easy-to-handle alkyne source, commercially available substrates, wide functional group tolerance, a low-cost mediator, and simple workup procedures. This protocol can also be extended to gram-scale synthesis.
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Affiliation(s)
- Xinjie You
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu, 730070, P. R. China.
| | - Botao Wang
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu, 730070, P. R. China.
| | - Fei Wen
- Yellow River Basin Ecotope Integration of Industry and Education Research Institute, Lanzhou Resources & Environment Voc-Tech University, Lanzhou 730022, P. R. China
| | - Zheng Li
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu, 730070, P. R. China.
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5
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Wang S, Chen K, Niu J, Guo X, Yuan X, Yin J, Zhu B, Shi D, Guan W, Xiong T, Zhang Q. Copper-Catalyzed Regiodivergent Asymmetric Difunctionalization of Terminal Alkynes. Angew Chem Int Ed Engl 2024:e202410833. [PMID: 38923633 DOI: 10.1002/anie.202410833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2024] [Revised: 06/23/2024] [Accepted: 06/24/2024] [Indexed: 06/28/2024]
Abstract
We herein describe the first example of ligand-controlled, copper-catalyzed regiodivergent asymmetric difunctionalization of terminal alkynes through a cascade hydroboration and hydroallylation process. The catalytic system, consisting of (R)-DTBM-Segphos and CuBr, could efficiently achieve asymmetric 1,1-difunctionalization of aryl terminal alkynes, while ligand switching to (S,S)-Ph-BPE could result in asymmetric 1,2-difunctionalization exclusively. In addition, alkyl substituted terminal alkynes, especially industrially relevant acetylene and propyne, were also valid feedstocks for asymmetric 1,1-difunctionalization. This protocol is characterized by good functional group tolerance, a broad scope of substrates (>150 examples), and mild reaction conditions. We also showcase the value of this method in the late-stage functionalization of complicated bioactive molecules and simplifying the synthetic routes toward the key intermediacy of natural product (bruguierol A). Mechanistic studies combined with DFT calculations provide insight into the mechanism and origins of this ligand-controlled regio- and stereoselectivity.
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Affiliation(s)
- Simin Wang
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Department of Chemistry, Northeast Normal University, Changchun, 130024, China
| | - Kexin Chen
- Institute of Functional Material Chemistry, Department of Chemistry, Northeast Normal University, Changchun, 130024, China
| | - Junbo Niu
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Department of Chemistry, Northeast Normal University, Changchun, 130024, China
| | - Xiaobing Guo
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Department of Chemistry, Northeast Normal University, Changchun, 130024, China
| | - Xiuping Yuan
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Department of Chemistry, Northeast Normal University, Changchun, 130024, China
| | - Jianjun Yin
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Department of Chemistry, Northeast Normal University, Changchun, 130024, China
| | - Bo Zhu
- Institute of Functional Material Chemistry, Department of Chemistry, Northeast Normal University, Changchun, 130024, China
| | - Dazhen Shi
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Department of Chemistry, Northeast Normal University, Changchun, 130024, China
| | - Wei Guan
- Institute of Functional Material Chemistry, Department of Chemistry, Northeast Normal University, Changchun, 130024, China
| | - Tao Xiong
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Department of Chemistry, Northeast Normal University, Changchun, 130024, China
| | - Qian Zhang
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Department of Chemistry, Northeast Normal University, Changchun, 130024, China
- State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, 200032, China
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6
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Cortés-Lobo A, Hernández JG. Calcium Carbide (CaC 2) as a C 2-Synthon by Mechanochemistry. Chempluschem 2024:e202400257. [PMID: 38819438 DOI: 10.1002/cplu.202400257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Revised: 05/29/2024] [Accepted: 05/31/2024] [Indexed: 06/01/2024]
Abstract
Mechanochemical reactions by ball milling have opened new avenues in chemical synthesis. Particularly, mechanochemistry has facilitated the reaction of insoluble materials to simplify stablished synthetic protocols and develop new ones. One notable application involves the use of calcium carbide (CaC2) as a C2-synthon through mechanochemistry, which has offered a more practical alternative to incorporate C2-units compared to the conventional use of highly flammable gaseous acetylene. For example, by ball milling, the acetylenic anions [C2]2- found in CaC2 have been harnessed for the synthesis of diverse functional carbon materials as well as discrete organic molecules. This Concept aims to contribute to the conceptualization of this innovative approach while highlighting both its advantages and the challenges inherent in the use of CaC2.
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Affiliation(s)
- Alejandro Cortés-Lobo
- Grupo Ciencia de los Materiales, Instituto de Química, Facultad de Ciencias Exactas y Naturales, Universidad de Antioquia, Calle 70 No 52-21, Medellín, Colombia
| | - José G Hernández
- Grupo Ciencia de los Materiales, Instituto de Química, Facultad de Ciencias Exactas y Naturales, Universidad de Antioquia, Calle 70 No 52-21, Medellín, Colombia
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7
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Wang Z, Liu Z, Shao T, Li Z. Construction of 3-Methyl-2-Substituted Benzo[ b]furans and 3-Methyl-2-Substituted Benzo[ b]thiophenes Using Solid Calcium Carbide as a Substitute for Gaseous Acetylene. J Org Chem 2024; 89:7182-7186. [PMID: 38697948 DOI: 10.1021/acs.joc.4c00573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2024]
Abstract
A concise method for the facile construction of 3-methyl-2-substituted benzo[b]furans and 3-methyl-2-substituted benzo[b]thiophenes using low-cost, abundant, and easy-to-use solid calcium carbide instead of flammable and explosive gaseous acetylene as an original alkyne source, o-bromophenyl ethers or o-bromophenyl thioethers as substrates through an intramolecular carbanion-yne cyclization in a 5-exo-dig manner, and subsequent double-bond isomerization is described. The simultaneous formation of two C-C bonds is realized in a one-step route. The wide substrate scope, high yield, and simple workup manipulations are also merits of this method. The synthetic strategy can also be suitable for the gram scale.
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Affiliation(s)
- Zhiqiang Wang
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Zhenrong Liu
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Ting Shao
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Zheng Li
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
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8
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Voronin VV, Polynski MV, Ledovskaya MS. 1,2,4-Triazines and Calcium Carbide in the Catalyst-Free Synthesis of 2,3,6-Trisubstituted Pyridines and Their D-, 13 C-, and Doubly D 2 - 13 C 2 -Labeled Analogues. Chem Asian J 2023; 18:e202300781. [PMID: 37843978 DOI: 10.1002/asia.202300781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 10/12/2023] [Accepted: 10/16/2023] [Indexed: 10/18/2023]
Abstract
A novel synthetic approach to 2,3,6-trisubstituted pyridines, their 4,5-dideuterated derivatives, 4,5-13 C2 - and doubly-labeled D2 -13 C2 -pyridines has been developed using catalyst-free [4+2] cycloaddition of 1,2,4-triazines and in situ generated acetylene or labeled acetylene. Calcium carbide and water or deuterium oxide were used for the in situ generation of acetylene and dideuteroacetylene. Calcium carbide-13 C2 in the mixture with water or deuterium oxide was applied as 13 C2 -acetylene and D2 -13 C2 -acetylene source.
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Affiliation(s)
- Vladimir V Voronin
- Saint Petersburg State University, Institute of Chemistry, Universitetsky Prospect 26, Saint Petersburg, 198504, Russia
| | - Mikhail V Polynski
- Saint Petersburg State University, Institute of Chemistry, Universitetsky Prospect 26, Saint Petersburg, 198504, Russia
- Current address: National University of Singapore, Department of Chemical and Biomolecular Engineering, 4 Engineering Drive 4, Singapore, 117585, Singapore
| | - Maria S Ledovskaya
- Saint Petersburg State University, Institute of Chemistry, Universitetsky Prospect 26, Saint Petersburg, 198504, Russia
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9
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Medina-Gil T, Sadurní A, Hammarback LA, Echavarren AM. Gold(I)-Catalyzed Intermolecular Aryloxyvinylation with Acetylene Gas. ACS Catal 2023; 13:10751-10755. [PMID: 37614519 PMCID: PMC10442918 DOI: 10.1021/acscatal.3c02461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 07/18/2023] [Indexed: 08/25/2023]
Abstract
Acetylene gas is an important feedstock for chemical production, although it is underutilized in organic synthesis. We have developed an intermolecular gold(I)-catalyzed alkyne/alkene reaction of o-allylphenols with acetylene gas that gives rise to chromanes by a stereospecific aryloxycyclization through the nucleophilic regioselective opening of cyclopropyl gold(I)-carbene intermediates. The synthetic application of this method was demonstrated in the late-stage functionalization of the natural product lapachol.
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Affiliation(s)
- Tania Medina-Gil
- Institute of Chemical Research
of Catalonia (ICIQ), Barcelona Institute
of Science and Technology (BIST), Av. Països Catalans 16, 43007 Tarragona, Spain
- Departament de Química
Orgànica i Analítica, Universitat
Rovira i Virgili (URV), C/Marcel·lí Domingo s/n, 43007 Tarragona, Spain
| | - Anna Sadurní
- Institute of Chemical Research
of Catalonia (ICIQ), Barcelona Institute
of Science and Technology (BIST), Av. Països Catalans 16, 43007 Tarragona, Spain
- Departament de Química
Orgànica i Analítica, Universitat
Rovira i Virgili (URV), C/Marcel·lí Domingo s/n, 43007 Tarragona, Spain
| | - L. Anders Hammarback
- Institute of Chemical Research
of Catalonia (ICIQ), Barcelona Institute
of Science and Technology (BIST), Av. Països Catalans 16, 43007 Tarragona, Spain
- Departament de Química
Orgànica i Analítica, Universitat
Rovira i Virgili (URV), C/Marcel·lí Domingo s/n, 43007 Tarragona, Spain
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10
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Liu Z, Wang Z, Liao H, Li Z. One-Pot Synthesis of 1,2,3-Triarylindoles through Cascade Reactions Using Calcium Carbide, Iodoarenes, and Aromatic Amines. Org Lett 2023; 25:5812-5816. [PMID: 37523462 DOI: 10.1021/acs.orglett.3c02069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/02/2023]
Abstract
An efficient method for the construction of 1,2,3-triarylindoles through one-pot multicomponent reactions using calcium carbide, 3 mol of iodoarenes, and aromatic amines as starting materials was described. A series of target products were obtained by the simultaneous formation of five bonds in one step. The main advantages for this protocol are the use of a convenient alkyne source, wide scope of substrates, and simple workup procedure. The method can be extended to the gram scale.
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Affiliation(s)
- Zhenrong Liu
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Zhiqiang Wang
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Haiyan Liao
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Zheng Li
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
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11
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Chen W, Li G, Wen F, Wang Q, Li Z. Concise Construction of 1‐Sulfonyl‐1
H
‐indoles Using Solid Calcium Carbide as a Surrogate of Gaseous Acetylene. ChemistrySelect 2023. [DOI: 10.1002/slct.202203855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Wei Chen
- College of Chemistry and Chemical Engineering Northwest Normal University Lanzhou Gansu 730070 P. R. China
| | - Guorui Li
- College of Chemistry and Chemical Engineering Northwest Normal University Lanzhou Gansu 730070 P. R. China
| | - Fei Wen
- College of Chemistry and Chemical Engineering Northwest Normal University Lanzhou Gansu 730070 P. R. China
| | - Qian Wang
- College of Chemistry and Chemical Engineering Northwest Normal University Lanzhou Gansu 730070 P. R. China
| | - Zheng Li
- College of Chemistry and Chemical Engineering Northwest Normal University Lanzhou Gansu 730070 P. R. China
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12
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Ledovskaya MS, Voronin VV, Valov NR. New Reactions of Acetylene Generated in Two-Chamber Reactor. RUSS J GEN CHEM+ 2023. [DOI: 10.1134/s1070363223020019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/01/2023]
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13
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Lotsman KA, Rodygin KS, Skvortsova I, Kutskaya AM, Minyaev ME, Ananikov VP. Atom-economical synthesis of 1,2-bis(phosphine oxide)ethanes from calcium carbide with straightforward access to deuterium- and 13C-labeled bidentate phosphorus ligands and metal complexes. Org Chem Front 2023. [DOI: 10.1039/d2qo01652d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Straightforward access to bidentate phosphorus ligands and bis(phosphineoxide)ethanes is described based on atom-economic addition reaction. A practical approach was developed to incorporate 2H and 13C labels using easily available reagents.
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Affiliation(s)
- Kristina A. Lotsman
- Institute of Chemistry, Saint Petersburg State University, Universitetskiy pr. 26, Stary Petergof 198504, Russia
| | - Konstantin S. Rodygin
- Institute of Chemistry, Saint Petersburg State University, Universitetskiy pr. 26, Stary Petergof 198504, Russia
| | - Irina Skvortsova
- Institute of Chemistry, Saint Petersburg State University, Universitetskiy pr. 26, Stary Petergof 198504, Russia
| | - Anastasia M. Kutskaya
- Institute of Chemistry, Saint Petersburg State University, Universitetskiy pr. 26, Stary Petergof 198504, Russia
| | - Mikhail E. Minyaev
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky pr. 47, Moscow 119991, Russia
| | - Valentine P. Ananikov
- Institute of Chemistry, Saint Petersburg State University, Universitetskiy pr. 26, Stary Petergof 198504, Russia
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky pr. 47, Moscow 119991, Russia
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14
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Tetra(phenylethynyl)tin Is a New Reagent for Solvent-Free Alkynylation of Imines. MOLBANK 2022. [DOI: 10.3390/m1534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
The first ZnCl2-catalyzed alkynylation of aldimines with tetra(phenylethynyl)tin was achieved under solvent-free conditions. The present methodology provides propargylamines in 38–62% yields.
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15
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Qi R, Li Z. Selective monoethynylation of isatins using solid calcium carbide as a surrogate of gaseous acetylene. SYNTHETIC COMMUN 2022. [DOI: 10.1080/00397911.2022.2139187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Affiliation(s)
- Runze Qi
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu, China
| | - Zheng Li
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu, China
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16
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Wang Z, Zhang Z, Li Z. Switchable Synthesis of 2-Methylene-3-aminoindolines and 2-Methyl-3-aminoindoles Using Calcium Carbide as a Solid Alkyne Source. Org Lett 2022; 24:8067-8071. [DOI: 10.1021/acs.orglett.2c03406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Zhiqiang Wang
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Zeshuai Zhang
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Zheng Li
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
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17
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Gyrdymova YV, Rodygin KS. Vinylation of Betulin with Calcium Carbide. DOKLADY CHEMISTRY 2022. [DOI: 10.1134/s0012500822700124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
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18
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Wang Y, Wen F, Li Z. Selective Monoethynylation of 2-Oxoacetamides Using Calcium Carbide as a Concise Solid Alkyne Source. Chem Asian J 2022; 17:e202200698. [PMID: 35972843 DOI: 10.1002/asia.202200698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 07/26/2022] [Indexed: 11/05/2022]
Abstract
An efficient selective monoethynylation of 2-oxoacetamides using calcium carbide as a concise solid alkyne source is described. A series of multifunctional compounds, 2-hydroxybut-3-ynamides, are synthesized by this strategy. The salient features of this protocol are the use of inexpensive and easy-to-handle solid alkyne source as a surrogate of inflammable and explosive gaseous acetylene, transition-metal-free and mild condition, wide scope of substrates, high selectivity, high yield, and simple work-up procedure.
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Affiliation(s)
- Yue Wang
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu, 730070, P. R. China
| | - Fei Wen
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu, 730070, P. R. China
| | - Zheng Li
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu, 730070, P. R. China
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19
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Zhang Z, Wang Z, Li Z. Three-Component One-Pot Construction of 2-Aryl-4 H-benzo[4,5]thiazolo[3,2- a]pyrimidines Using Solid Calcium Carbide as a Surrogate of Gaseous Acetylene. Org Lett 2022; 24:5491-5496. [DOI: 10.1021/acs.orglett.2c02331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Zeshuai Zhang
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, People’s Republic of China
| | - Zhiqiang Wang
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, People’s Republic of China
| | - Zheng Li
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, People’s Republic of China
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20
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Jing T, Liu N, Xu C, Bu QQ. Zinc Chloride‐Promoted Coupling Reaction Between Calcium Carbide and Aryl Chloride. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Tianna Jing
- Shihezi University School of Chemistry and Chemical Engineering School of Chemistry and Chemical Engineering CHINA
| | - Ning Liu
- Shihezi University School of Chemistry and Chemical Engineering School of Chemistry and Chemical Engineering, Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan CHINA
| | - Caixia Xu
- Shihezi University School of Chemistry and Chemical Engineering School of Chemistry and Chemical Engineering, Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan CHINA
| | - Qing qing Bu
- Shihezi University School of Chemistry and Chemical Engineering North Fourth Road 832003 Shihezi CHINA
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21
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Liu H, You X, Wen F, Zhang Z, Li Z. Calcium Carbide as a Surrogate of Acetylene: Copper‐Catalyzed Construction of 3‐Methylene‐2‐arylisoindolin‐1‐ones. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Haiyan Liu
- Northwest Normal University College of Chemistry and Chemical Engineering CHINA
| | - Xinjie You
- Cebu Normal University College of Chemistry and Chemical Engineering CHINA
| | - Fei Wen
- Northwest Normal University College of Chemistry and Chemical Engineering CHINA
| | - Zeshuai Zhang
- Northwest Normal University College of Chemistry and Chemical Engineering CHINA
| | - Zheng Li
- Northwest Normal University College of Chemistry and Chemical Engineering East Anning Road 967 730070 Lanzhou CHINA
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22
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Rodygin KS, Lotsman KA, Erokhin KS, Korabelnikova VA, Ananikov VP. Thermal Mapping of Self-Promoted Calcium Carbide Reactions for Performing Energy-Economic Processes. Int J Mol Sci 2022; 23:ijms23052763. [PMID: 35269903 PMCID: PMC8911359 DOI: 10.3390/ijms23052763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 02/22/2022] [Accepted: 02/24/2022] [Indexed: 12/04/2022] Open
Abstract
The syntheses of various chemical compounds require heating. The intrinsic release of heat in exothermic processes is a valuable heat source that is not effectively used in many reactions. In this work, we assessed the released heat during the hydrolysis of an energy-rich compound, calcium carbide, and explored the possibility of its usage. Temperature profiles of carbide hydrolysis were recorded, and it was found that the heat release depended on the cosolvent and water/solvent ratio. Thus, the release of heat can be controlled and adjusted. To monitor the released heat, a special tube-in-tube reactor was assembled using joining part 3D-printed with nylon. The thermal effect of the reaction was estimated using a thermoimaging IR monitor. It was found that the kinetics of heat release are different when using mixtures of water with different solvents, and the maximum achievable temperature depends on the type of solvent and the amount of water and carbide. The possibility of using the heat released during carbide hydrolysis to initiate a chemical reaction was tested using a hydrothiolation reaction—the nucleophilic addition of thiols to acetylene. In a model experiment, the yield of the desired product with the use of heat from carbide hydrolysis was 89%, compared to 30% in this intrinsic heating, which was neglected.
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Affiliation(s)
- Konstantin S. Rodygin
- Institute of Chemistry, Saint Petersburg State University, Universitetskiy pr. 26, 198504 Saint Petersburg, Russia; (K.S.R.); (K.A.L.)
| | - Kristina A. Lotsman
- Institute of Chemistry, Saint Petersburg State University, Universitetskiy pr. 26, 198504 Saint Petersburg, Russia; (K.S.R.); (K.A.L.)
| | - Kirill S. Erokhin
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky pr. 47, 119991 Moscow, Russia; (K.S.E.); (V.A.K.)
| | - Viktoria A. Korabelnikova
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky pr. 47, 119991 Moscow, Russia; (K.S.E.); (V.A.K.)
| | - Valentine P. Ananikov
- Institute of Chemistry, Saint Petersburg State University, Universitetskiy pr. 26, 198504 Saint Petersburg, Russia; (K.S.R.); (K.A.L.)
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky pr. 47, 119991 Moscow, Russia; (K.S.E.); (V.A.K.)
- Correspondence:
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23
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Lebedev AN, Rodygin KS, Mironenko RM, Saybulina ER, Ananikov VP. Metal-Catalyzed Chemical Activation of Calcium Carbide: New Way to Hierarchical Metal/Alloy-on-Carbon Catalysts. J Catal 2022. [DOI: 10.1016/j.jcat.2022.01.034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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24
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Voronin VV, Ledovskaya MS, Rodygin KS, Ananikov VP. Cycloaddition Reactions of
in situ
Generated C
2
D
2
in Dioxane: Efficient Synthetic Approach to D
2
‐Labeled Nitrogen Heterocycles. European J Org Chem 2021. [DOI: 10.1002/ejoc.202101085] [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)
- Vladimir V. Voronin
- Institute of Chemistry Saint Petersburg State University Universitetsky prospect 26 Peterhof 198504 Russia
| | - Maria S. Ledovskaya
- Institute of Chemistry Saint Petersburg State University Universitetsky prospect 26 Peterhof 198504 Russia
| | - Konstantin S. Rodygin
- Institute of Chemistry Saint Petersburg State University Universitetsky prospect 26 Peterhof 198504 Russia
| | - Valentine P. Ananikov
- Institute of Chemistry Saint Petersburg State University Universitetsky prospect 26 Peterhof 198504 Russia
- N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences Leninsky prospect 47 Moscow 119991 Russia
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25
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Liu H, Li Z. Copper-Catalyzed Construction of Benzo[4,5]imidazo[2,1- a]isoquinolines Using Calcium Carbide as a Solid Alkyne Source. Org Lett 2021; 23:8407-8412. [PMID: 34633205 DOI: 10.1021/acs.orglett.1c03133] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A method for the synthesis of benzo[4,5]imidazo[2,1-a]isoquinolines through Sonogashira cross-coupling/nucleophilic addition tandem reactions using calcium carbide as a solid alkyne source, 2-(2-bromophenyl)benzimidazoles as starting materials, and copper as a catalyst is described. The target products can also be synthesized through one-pot three-component reactions of o-phenylenediamines, o-bromobenzaldehydes, and calcium carbide. Both reaction routes can also be scaled up to gram scale.
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Affiliation(s)
- Haiyan Liu
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Zheng Li
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
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26
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Erokhin KS, Gordeev EG, Samoylenko DE, Rodygin KS, Ananikov VP. 3D Printing to Increase the Flexibility of the Chemical Synthesis of Biologically Active Molecules: Design of On-Demand Gas Generation Reactors. Int J Mol Sci 2021; 22:9919. [PMID: 34576082 PMCID: PMC8472564 DOI: 10.3390/ijms22189919] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 09/08/2021] [Accepted: 09/10/2021] [Indexed: 11/16/2022] Open
Abstract
The development of new drugs is accelerated by rapid access to functionalized and D-labeled molecules with improved activity and pharmacokinetic profiles. Diverse synthetic procedures often involve the usage of gaseous reagents, which can be a difficult task due to the requirement of a dedicated laboratory setup. Here, we developed a special reactor for the on-demand production of gases actively utilized in organic synthesis (C2H2, H2, C2D2, D2, and CO2) that completely eliminates the need for high-pressure equipment and allows for integrating gas generation into advanced laboratory practice. The reactor was developed by computer-aided design and manufactured using a conventional 3D printer with polypropylene and nylon filled with carbon fibers as materials. The implementation of the reactor was demonstrated in representative reactions with acetylene, such as atom-economic nucleophilic addition (conversions of 19-99%) and nickel-catalyzed S-functionalization (yields 74-99%). One of the most important advantages of the reactor is the ability to generate deuterated acetylene (C2D2) and deuterium gas (D2), which was used for highly significant, atom-economic and cost-efficient deuterium labeling of S,O-vinyl derivatives (yield 68-94%). Successful examples of their use in organic synthesis are provided to synthesize building blocks of heteroatom-functionalized and D-labeled biologically active organic molecules.
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Affiliation(s)
- Kirill S. Erokhin
- N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences, Leninsky Prospect 47, 119991 Moscow, Russia; (K.S.E.); (E.G.G.); (K.S.R.)
| | - Evgeniy G. Gordeev
- N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences, Leninsky Prospect 47, 119991 Moscow, Russia; (K.S.E.); (E.G.G.); (K.S.R.)
| | - Dmitriy E. Samoylenko
- Institute of Chemistry, Saint Petersburg State University, Universitetsky Prospect 26, 198504 Peterhof, Russia;
| | - Konstantin S. Rodygin
- N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences, Leninsky Prospect 47, 119991 Moscow, Russia; (K.S.E.); (E.G.G.); (K.S.R.)
- Institute of Chemistry, Saint Petersburg State University, Universitetsky Prospect 26, 198504 Peterhof, Russia;
| | - Valentine P. Ananikov
- N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences, Leninsky Prospect 47, 119991 Moscow, Russia; (K.S.E.); (E.G.G.); (K.S.R.)
- Institute of Chemistry, Saint Petersburg State University, Universitetsky Prospect 26, 198504 Peterhof, Russia;
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27
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Ledovskaya MS, Polynski MV, Ananikov VP. One-Pot and Two-Chamber Methodologies for Using Acetylene Surrogates in the Synthesis of Pyridazines and Their D-Labeled Derivatives. Chem Asian J 2021; 16:2286-2297. [PMID: 34152671 DOI: 10.1002/asia.202100562] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 06/18/2021] [Indexed: 01/03/2023]
Abstract
Acetylene surrogates are efficient tools in modern organic chemistry with largely unexplored potential in the construction of heterocyclic cores. Two novel synthetic paths to 3,6-disubstituted pyridazines were proposed using readily available acetylene surrogates through flexible C2 unit installation procedures in a common reaction space mode (one-pot) and distributed reaction space mode (two-chamber): (1) an interaction of 1,2,4,5-tetrazine and its acceptor-functionalized derivatives with a CaC2 -H2 O mixture performed in a two-chamber reactor led to the corresponding pyridazines in quantitative yields; (2) [4+2] cycloaddition of 1,2,4,5-tetrazines to benzyl vinyl ether can be considered a universal synthetic path to a wide range of pyridazines. Replacing water with D2 O and vinyl ether with its trideuterated analog in the developed procedures, a range of 4,5-dideuteropyridazines of 95-99% deuteration degree was synthesized for the first time. Quantum chemical modeling allowed to quantify the substituent effect in both synthetic pathways.
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Affiliation(s)
- Maria S Ledovskaya
- Institute of Chemistry, Saint Petersburg State University, Universitetsky prospect 26, Saint Petersburg, 198504, Russia
| | - Mikhail V Polynski
- Institute of Chemistry, Saint Petersburg State University, Universitetsky prospect 26, Saint Petersburg, 198504, Russia.,N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences, Leninsky prospect 47, Moscow, 119991, Russia
| | - Valentine P Ananikov
- Institute of Chemistry, Saint Petersburg State University, Universitetsky prospect 26, Saint Petersburg, 198504, Russia.,N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences, Leninsky prospect 47, Moscow, 119991, Russia
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28
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Ardila-Fierro KJ, Hernández JG. Sustainability Assessment of Mechanochemistry by Using the Twelve Principles of Green Chemistry. CHEMSUSCHEM 2021; 14:2145-2162. [PMID: 33835716 DOI: 10.1002/cssc.202100478] [Citation(s) in RCA: 171] [Impact Index Per Article: 57.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 04/07/2021] [Indexed: 05/22/2023]
Abstract
In recent years, mechanochemistry has been growing into a widely accepted alternative for chemical synthesis. In addition to their efficiency and practicality, mechanochemical reactions are also recognized for their sustainability. The association between mechanochemistry and Green Chemistry often originates from the solvent-free nature of most mechanochemical protocols, which can reduce waste production. However, mechanochemistry satisfies more than one of the Principles of Green Chemistry. In this Review we will present a series of examples that will clearly illustrate how mechanochemistry can significantly contribute to the fulfillment of Green Chemistry in a more holistic manner.
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Affiliation(s)
- Karen J Ardila-Fierro
- Division of Physical Chemistry, Ruđer Bošković Institute, Bijenička c. 54, 10000, Zagreb, Croatia
| | - José G Hernández
- Division of Physical Chemistry, Ruđer Bošković Institute, Bijenička c. 54, 10000, Zagreb, Croatia
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29
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Abstract
The hydrogenation of unsaturated double bonds with molecular hydrogen is an efficient atom-economic approach to the production of a wide range of fine chemicals. In contrast to a number of reducing reagents typically involved in organic synthesis, hydrogenation with H2 is much more sustainable since it does not produce wastes (i.e., reducing reagent residues). However, its full sustainable potential may be achieved only in the case of easily separable catalysts and high reaction selectivity. In this work, various Pd/C catalysts were used for the liquid-phase hydrogenation of O-, S-, and N-vinyl derivatives with molecular hydrogen under mild reaction conditions (room temperature, pressure of 1 MPa). Complete conversion and high hydrogenation selectivity (>99%) were achieved by adjusting the type of Pd/C catalyst. Thus, the proposed procedure can be used as a sustainable method for vinyl group transformation by hydrogenation reactions. The discovery of the stability of active vinyl functional groups conjugated with heteroatoms (O, S, and N) under hydrogenation conditions over Pd/C catalysts opens the way for many useful transformations.
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