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Nong CM, Lv SN, Shi WM, Liang C, Su GF, Mo DL. Synthesis of 1,2,4-Oxadiazolines through Deoxygenative Cyclization of N-Vinyl-α,β-Unsaturated Nitrones with in Situ Generated Nitrile Oxides from Hydroxamoyl Chlorides. Org Lett 2023; 25:267-271. [PMID: 36583596 DOI: 10.1021/acs.orglett.2c04121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
A variety of 1,2,4-oxadiazoline derivatives were synthesized in moderate to good yields through a deoxygenative cyclization cascade reaction of N-vinyl-α,β-unsaturated nitrones and hydroxamoyl chlorides. Mechanistic studies revealed that the reaction underwent double additions of nitrile oxides to N-vinyl-α,β-unsaturated nitrones, sequential elimination, and intramolecular cyclization to afford 1,2,4-oxadiazolines. Alternatively, 1,2,5-oxadiazolines were also obtained as major products in i-PrOH solvent through [3 + 3] cycloaddition and selective [3,3]-rearrangement. Moreover, the prepared 1,2,4-oxadiazolines were easily converted to polysubstituted pyrroles under thermal conditions.
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Affiliation(s)
- Cai-Mei Nong
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, 15 Yu Cai Road, Guilin, 541004, China
| | - Si-Ning Lv
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, 15 Yu Cai Road, Guilin, 541004, China
| | - Wei-Min Shi
- School of Medicine, Guangxi University of Science and Technology, 257 Liu Shi Road, Liuzhou, 545006, China
| | - Cui Liang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, 15 Yu Cai Road, Guilin, 541004, China
| | - Gui-Fa Su
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, 15 Yu Cai Road, Guilin, 541004, China
| | - Dong-Liang Mo
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, 15 Yu Cai Road, Guilin, 541004, China
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2
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Li K, Sun H, Yang W, Wang Y, Xie S, Li X, Fuhr O, Fenske D. Efficient dehydration of primary amides to nitriles catalyzed by phosphorus‐chalcogen chelated iron hydrides. Appl Organomet Chem 2020. [DOI: 10.1002/aoc.5337] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Kai Li
- School of Chemistry and Chemical Engineering, Key Laboratory of Special Functional Aggregated Materials, Ministry of EducationShandong University Shanda Nanlu 27 Jinan 250100 People's Republic of China
| | - Hongjian Sun
- School of Chemistry and Chemical Engineering, Key Laboratory of Special Functional Aggregated Materials, Ministry of EducationShandong University Shanda Nanlu 27 Jinan 250100 People's Republic of China
| | - Wenjing Yang
- School of Chemistry and Chemical Engineering, Key Laboratory of Special Functional Aggregated Materials, Ministry of EducationShandong University Shanda Nanlu 27 Jinan 250100 People's Republic of China
| | - Yajie Wang
- School of Chemistry and Chemical Engineering, Key Laboratory of Special Functional Aggregated Materials, Ministry of EducationShandong University Shanda Nanlu 27 Jinan 250100 People's Republic of China
| | - Shangqing Xie
- School of Chemistry and Chemical Engineering, Key Laboratory of Special Functional Aggregated Materials, Ministry of EducationShandong University Shanda Nanlu 27 Jinan 250100 People's Republic of China
| | - Xiaoyan Li
- School of Chemistry and Chemical Engineering, Key Laboratory of Special Functional Aggregated Materials, Ministry of EducationShandong University Shanda Nanlu 27 Jinan 250100 People's Republic of China
| | - Olaf Fuhr
- Institut für Nanotechnologie (INT) und Karlsruher Nano‐Micro‐Facility (KNMF), Karlsruher Institut für Technologie (KIT) Hermann‐von‐Helmholtz‐Platz 1, 76344 Eggenstein‐Leopoldshafen Germany
| | - Dieter Fenske
- Institut für Nanotechnologie (INT) und Karlsruher Nano‐Micro‐Facility (KNMF), Karlsruher Institut für Technologie (KIT) Hermann‐von‐Helmholtz‐Platz 1, 76344 Eggenstein‐Leopoldshafen Germany
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3
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PtII versus PdII-assisted [2 + 3] cycloadditions of nitriles and nitrone. Synthesis of nitrile-derived arylamido platinum(II) and Δ4-1,2,4-oxadiazoline palladium(II) complexes. Polyhedron 2019. [DOI: 10.1016/j.poly.2018.10.057] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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4
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Abstract
A series of novel Au(i)-nitrone complexes with specific catalytic properties were prepared. Furthermore, Au(i)- and Au(iii)-oxadiazole complexes were formed by a novel Au-generated nitrile-nitrone [3 + 2] cycloaddition, and the crystal structures of Au(i)-nitrones as well as the Au(i)- and Au(iii)-oxadiazole complexes were studied (X-ray). A useful one-pot Au(iii)-mediated cycloaddition method was developed for the formation of a number of dihydro-1,2,4-oxadiazoles, involving in situ formation of Au(iii)-oxadiazole complexes. The observed Au(i) and Au(iii) dual selective reactivity gives new understanding about the Au(i)- and Au(iii)-nitrone chemistry.
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Affiliation(s)
- Helgi Freyr Jónsson
- Department of Chemistry, Norwegian University of Science and Technology, NO-7491 Trondheim, Norway.
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N-heterocyclic carbene complexes of palladium in oxygen atom transfer reactions involving the making and breaking of N-O bonds. Inorganica Chim Acta 2017. [DOI: 10.1016/j.ica.2017.05.069] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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7
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Sieste S, Lifincev I, Stein N, Wagner G. Synthesis, characterisation and in vitro cytotoxicity of mixed ligand Pt(ii) oxadiazoline complexes with hexamethylenetetramine and 7-nitro-1,3,5-triazaadamantane. Dalton Trans 2017; 46:12226-12238. [PMID: 28875218 DOI: 10.1039/c7dt02406a] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
trans-Platinum(ii) oxadiazoline complexes with 7-nitro-1,3,5-triazaadamantane (NO2-TAA) or hexamethylenetetramine (hmta) ligands have been synthesised from trans-[PtCl2(PhCN)2] via cycloaddition of nitrones to one of the coordinated nitriles, followed by exchange of the other nitrile by NO2-TAA or hmta. Stoichiometric control allows for the selective synthesis of mono- and dinuclear complexes where 7-NO2TAA and hmta act as mono- and bidentate ligands, respectively. Precursors and the target complexes trans-[PtCl2(hmta)(oxadiazoline)], trans-[PtCl2(NO2-TAA)(oxadiazoline)] and trans-[{PtCl2(oxadiazoline)}2(hmta)] were characterised by elemental analysis, IR and multinuclear (1H, 13C, 195Pt) NMR spectroscopy. DFT (B3LYP/6-31G*/LANL08) and AIM calculations suggest a stronger bonding of hmta with the [PtCl2(oxadiazoline)] fragment, in agreement with the experimentally observed reactivity in the ligand exchange (hmta > 7-NO2TAA). Replacement of the nitrile by hmta is predicted to be more exothermic than that with 7-NO2-TAA, although the activation barriers are similar. Protonation of the non-coordinated N atoms is anticipated to weaken the Pt-N bond and lower the activation barrier for ligand exchange. This effect might help activate these compounds in a slightly acidic environment such as some tumour tissues. Ten of the new compounds were tested for their in vitro cytotoxicity in the human cancer cell lines HeLa and A549. Some of the mononuclear complexes are more potent than cisplatin, and their activity is still high in A549 where cisplatin shows little effect. The dinuclear complexes are inactive, presumably due to their lipophilicity and reduced solubility in water.
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Affiliation(s)
- Stefanie Sieste
- Institute of Inorganic Chemistry, University of Ulm, Albert-Einstein-Allee 11, D-89081 Ulm, Germany
| | - Irina Lifincev
- Institute of Inorganic Chemistry, University of Ulm, Albert-Einstein-Allee 11, D-89081 Ulm, Germany
| | - Nina Stein
- Institute of Inorganic Chemistry, University of Ulm, Albert-Einstein-Allee 11, D-89081 Ulm, Germany
| | - Gabriele Wagner
- Institute of Inorganic Chemistry, University of Ulm, Albert-Einstein-Allee 11, D-89081 Ulm, Germany and Department of Natural Sciences, University of Chester, Thornton Science Park, Pool Lane, Ince, Chester, CH2 4NU, UK.
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Melekhova AA, Smirnov AS, Novikov AS, Panikorovskii TL, Bokach NA, Kukushkin VY. Copper(I)-Catalyzed 1,3-Dipolar Cycloaddition of Ketonitrones to Dialkylcyanamides: A Step toward Sustainable Generation of 2,3-Dihydro-1,2,4-oxadiazoles. ACS OMEGA 2017; 2:1380-1391. [PMID: 31457510 PMCID: PMC6641119 DOI: 10.1021/acsomega.7b00130] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Accepted: 03/24/2017] [Indexed: 05/03/2023]
Abstract
CuI-catalyzed cycloaddition (CA) of the ketonitrones, Ph2C=N+(R')O- (R' = Me, CH2Ph), to the disubstituted cyanamides, NCNR2 (R = Me2, Et2, (CH2)4, (CH2)5, (CH2)4O, C9H10, (CH2Ph)2, Ph(Me)), gives the corresponding 5-amino-substituted 2,3-dihydro-1,2,4-oxadiazoles (15 examples) in good to moderate yields. The reaction proceeds under mild conditions (CH2Cl2, RT or 45 °C) and requires 10 mol % of [Cu(NCMe)4](BF4) as the catalyst. The somewhat reduced yields are due to the individual properties of 2,3-dihydro-1,2,4-oxadiazoles, which easily undergo ring opening via N-O bond splitting. Results of density functional theory calculations reveal that the CA of ketonitrones to CuI-bound cyanamides is a concerted process, and the copper-catalyzed reaction is controlled by the predominant contribution of the HOMOdipole-LUMOdipolarophile interaction (group I by Sustmann's classification). The metal-involving process is much more asynchronous and profitable from both kinetic and thermodynamic viewpoints than the hypothetical metal-free reaction.
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Smirnov AS, Kritchenkov AS, Bokach NA, Kuznetsov ML, Selivanov SI, Gurzhiy VV, Roodt A, Kukushkin VY. Regio- and Stereoselective 1,3-Dipolar Cycloaddition of Cyclic Azomethine Imines to Platinum(IV)-Bound Nitriles Giving Δ(2)-1,2,4-Triazoline Species. Inorg Chem 2015; 54:11018-30. [PMID: 26536298 DOI: 10.1021/acs.inorgchem.5b02246] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The complex trans-[PtCl4(EtCN)2] (14) reacts smoothly at 25 °C with the stable cyclic azomethine imines R(1)CH═N(a)NC(O)CH(NHC(O)C6H4R(3))C(b)H(C6H4R(2))((a-b)) [R(1)/R(2)/R(3) = p-Me/H/H (8); p-Me/p-Me/H (9); p-Me/p-MeO/H (10); p-Me/p-Cl/p-Cl (11); p-MeO/p-Me/H (12); p-MeO/p-Cl/m-Me (13)], and the reaction proceeds as stereoselective 1,3-dipolar cycloaddition to one of the EtCN ligands accomplishing the monocycloadducts trans-[PtCl4(EtCN){N(a)═C(Et)N(b)C(O)CH(NHC(O)C6H4R(3))CH(C6H4R(2))N(c)C(d)HR(1)}])((a-d;b-c)) [R(1)/R(2)/R(3) = p-Me/H/H (15); p-Me/p-Me/H (16); p-Me/p-MeO/H (17); p-Me/p-Cl/p-Cl (18); p-MeO/p-Me/H (19); p-MeO/p-Cl/m-Me (20)]. Inspection of the obtained and literature data indicate that the cycloaddition of the azomethine imines to the C≡N bonds of HCN and of Pt(IV)-bound EtCN has different regioselectivity leading to Δ(2)-1,2,3-triazolines and Δ(2)-1,2,4-triazolines, respectively. Platinum(II) species trans-[PtCl2(EtCN){N(a)═C(Et)N(b)C(O)CH(NHC(O)C6H4R(3))CH(C6H4R(2))N(c)C(d)HR(1)}]((a-d;b-c)) [R(1)/R(2)/R(3) = p-Me/H/H (21); p-Me/p-Me/H (22); p-Me/p-MeO/H (23); p-Me/p-Cl/p-Cl (24); p-MeO/p-Me/H (25); p-MeO/p-Cl/m-Me (26)] were obtained by a one-pot procedure from 14 and 8-13 followed by addition of the phosphorus ylide Ph3P═CHCO2Me. Δ(2)-1,2,4-Triazolines N(a)═C(Et)N(b)C(O)CH(NHC(O)C6H4R(3))CH(C6H4R(2))N(c)C(d)HR(1(a-d;b-c)) [R(1)/R(2)/R(3) = p-Me/H/H (27); p-Me/p-Me/H (28); p-Me/p-MeO/H (29); p-Me/p-Cl/p-Cl (30); p-MeO/p-Me/H (31); p-MeO/p-Cl/m-Me (32)] were liberated from 21-26 by the treatment with bis(diphenylphosphyno)ethane (dppe). Platinum(II) complexes 21-26 were characterized by elemental analyses (C, H, N), high-resolution electrospray ionization mass spectrometry (ESI-MS), and IR and (1)H and (13)C{(1)H} NMR spectroscopies and single crystal X-ray diffraction in the solid state for 25·CH3OH, 26·(CHCl3)0.84. The structure of 26 was also determined by COSY-90 and NOESY NMR methods in solution. Quantitative evaluation of several pairs of interproton distances obtained by NMR and X-ray diffraction agrees well with each other and with those obtained by the MM+ calculation method. Platinum(IV) complexes 15-20 were characterized by (1)H NMR spectroscopy. Metal-free 6,7-dihydropyrazolo[1,2-a][1,2,4]triazoles (27-32) were characterized by high-resolution ESI-MS and IR and (1)H and (13)C{(1)H} NMR spectroscopies and single crystal X-ray diffraction for 29·CDCl3. Theoretical density functional theory calculations were carried out for the investigation of the reaction mechanism, interpretation of the reactivity of Pt-bound and free nitriles toward azomethine imines and analysis of the regio- and stereoselectivity origin.
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Affiliation(s)
- Andrey S Smirnov
- Saint Petersburg State University , Universitetskaya nab. 7/9, 199034, Saint Petersburg, Russian Federation
| | - Andreii S Kritchenkov
- Saint Petersburg State University , Universitetskaya nab. 7/9, 199034, Saint Petersburg, Russian Federation
| | - Nadezhda A Bokach
- Saint Petersburg State University , Universitetskaya nab. 7/9, 199034, Saint Petersburg, Russian Federation
| | - Maxim L Kuznetsov
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa , Av. Rovisco Pais, 1049-001 Lisbon, Portugal
| | - Stanislav I Selivanov
- Saint Petersburg State University , Universitetskaya nab. 7/9, 199034, Saint Petersburg, Russian Federation
| | - Vladislav V Gurzhiy
- Saint Petersburg State University , Universitetskaya nab. 7/9, 199034, Saint Petersburg, Russian Federation
| | - Andreas Roodt
- Department of Chemistry, University of the Free State , P.O. Box 339, Bloemfontein 9300, South Africa
| | - Vadim Yu Kukushkin
- Saint Petersburg State University , Universitetskaya nab. 7/9, 199034, Saint Petersburg, Russian Federation.,Institute of Macromolecular Compounds of Russian Academy of Sciences , V.O. Bolshoii Pr. 31, 199004 Saint Petersburg, Russian Federation
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Fehlhammer WP, Beck W. Azide Chemistry - An Inorganic Perspective, Part II[‡][3+2]-Cycloaddition Reactions of Metal Azides and Related Systems. Z Anorg Allg Chem 2015. [DOI: 10.1002/zaac.201500165] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Boyarskiy VP, Bokach NA, Luzyanin KV, Kukushkin VY. Metal-Mediated and Metal-Catalyzed Reactions of Isocyanides. Chem Rev 2015; 115:2698-779. [DOI: 10.1021/cr500380d] [Citation(s) in RCA: 388] [Impact Index Per Article: 43.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Vadim P. Boyarskiy
- Institute of Chemistry, Saint Petersburg State University, 198504 Stary Petergof, Russian Federation
| | - Nadezhda A. Bokach
- Institute of Chemistry, Saint Petersburg State University, 198504 Stary Petergof, Russian Federation
| | - Konstantin V. Luzyanin
- Institute of Chemistry, Saint Petersburg State University, 198504 Stary Petergof, Russian Federation
| | - Vadim Yu. Kukushkin
- Institute of Chemistry, Saint Petersburg State University, 198504 Stary Petergof, Russian Federation
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Smirnov AS, Yandanova ES, Bokach NA, Starova GL, Gurzhiy VV, Avdontceva MS, Zolotarev AA, Kukushkin VY. Zinc(ii)-mediated generation of 5-amino substituted 2,3-dihydro-1,2,4-oxadiazoles and their further ZnII-catalyzed and O2-involving transformations. NEW J CHEM 2015. [DOI: 10.1039/c5nj02061a] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
ZnII-activated cyanamides NCNR2 react with the acyclic N-alkyl ketonitrones Ph2CN+(O−)R′ achieving uncomplexed 2,3-dihydro-1,2,4-oxadiazoles.
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Affiliation(s)
| | | | | | | | | | | | | | - Vadim Yu. Kukushkin
- Saint Petersburg State University
- 199034 Saint Petersburg
- Russia
- Institute of Macromolecular Compounds of Russian Academy of Sciences
- 199004 Saint Petersburg
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Lasri J. Palladium(II)-assisted [2+3] cycloaddition of nitrones to organonitriles: Synthesis of 2,3-dihydropyrrolo[1,2-a]quinazolin-5-one and Δ4-1,2,4-oxadiazoline derivatives. Polyhedron 2013. [DOI: 10.1016/j.poly.2013.04.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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14
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Novikov AS, Dement’ev AI, Medvedev YN. Theoretical study of the reactivity of Rh(I) and Rh(III) Bis(isonitrile) complexes in cycloaddition reactions with nitrones. RUSS J INORG CHEM+ 2013. [DOI: 10.1134/s003602361303011x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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15
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Alegria ECBA, Guedes da Silva MFC, Kuznetsov ML, Cunha SMPRM, Martins LMDRS, Pombeiro AJL. Acylated cyanoimido-complexes trans-[Mo(NCN){NCNC(O)R}(dppe)(2)]Cl and their reactions with electrophiles: chemical, electrochemical and theoretical study. Dalton Trans 2012; 41:13876-90. [PMID: 22699563 DOI: 10.1039/c2dt30867c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Treatment of a dichloromethane solution of trans-[Mo(NCN){NCNC(O)R}(dppe)(2)]Cl [R = Me (1a), Et (1b)] (dppe = Ph(2)PCH(2)CH(2)PPh(2)) with HBF(4), [Et(3)O][BF(4)] or EtC(O)Cl gives trans-[Mo(NCN)Cl(dppe)(2)]X [X = BF(4) (2a) or Cl (2b)] and the corresponding acylcyanamides NCN(R')C(O)Et (R' = H, Et or C(O)Et). X-ray diffraction analysis of 2a (X = BF(4)) reveals a multiple-bond coordination of the cyanoimide ligand. Compounds 1 convert to the bis(cyanoimide) trans-[Mo(NCN)(2)(dppe)(2)] complex upon reaction with an excess of NaOMe (with formation of the respective ester). In an aprotic medium and at a Pt electrode, compounds 1 (R = Me, Et or Ph) undergo a cathodically induced isomerization. Full quantitative kinetic analysis of the voltammetric behaviour is presented and allows the determination of the first-order rate constants and the equilibrium constant of the trans to cis isomerization reaction. The mechanisms of electrophilic addition (protonation) to complexes 1 and the precursor trans-[Mo(NCN)(2)(dppe)(2)], as well as the electronic structures, nature of the coordination bonds and electrochemical behaviour of these species are investigated in detail by theoretical methods which indicate that the most probable sites of the proton attack are the oxygen atom of the acyl group and the terminal nitrogen atom, respectively.
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Affiliation(s)
- Elisabete C B A Alegria
- Centro de Química Estrutural, Instituto Superior Técnico, Technical University of Lisbon, Portugal
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Novikov AS, Dement’ev AI, Medvedev YN. Theoretical study of Rh(I) and Rh(III) bis(isonitrile) complexes as promising reagents for synthesis of N-heterocyclic carbenes. RUSS J INORG CHEM+ 2012. [DOI: 10.1134/s0036023612120157] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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17
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Mindich AL, Bokach NA, Kuznetsov ML, Haukka M, Zhdanov AP, Zhizhin KY, Miltsov SA, Kuznetsov NT, Kukushkin VY. Coupling of Azomethine Ylides with Nitrilium Derivatives ofcloso-Decaborate Clusters: A Synthetic and Theoretical Study. Chempluschem 2012. [DOI: 10.1002/cplu.201200257] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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18
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Kritchenkov AS, Bokach NA, Starova GL, Kukushkin VY. A Palladium(II) Center Activates Nitrile Ligands toward 1,3-Dipolar Cycloaddition of Nitrones Substantially More than the Corresponding Platinum(II) Center. Inorg Chem 2012; 51:11971-9. [DOI: 10.1021/ic301866y] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Andreii S. Kritchenkov
- Department of Chemistry, St. Petersburg State University, Universitetsky Pr. 26, 198504 Stary
Petergof, Russian Federation
| | - Nadezhda A. Bokach
- Department of Chemistry, St. Petersburg State University, Universitetsky Pr. 26, 198504 Stary
Petergof, Russian Federation
| | - Galina L. Starova
- Department of Chemistry, St. Petersburg State University, Universitetsky Pr. 26, 198504 Stary
Petergof, Russian Federation
| | - Vadim Yu. Kukushkin
- Department of Chemistry, St. Petersburg State University, Universitetsky Pr. 26, 198504 Stary
Petergof, Russian Federation
- Institute of Macromolecular Compounds of Russian Academy of Sciences, V.O. Bolshoii
Pr. 31, 199004 St. Petersburg, Russian Federation
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Lasri J, Kuznetsov ML, Guedes da Silva MFC, Pombeiro AJL. PtII-Mediated Imine–Nitrile Coupling Leading to Symmetrical (1,3,5,7,9-Pentaazanona-1,3,6,8-tetraenato)Pt(II) Complexes Containing the Incorporated 1,3-Diiminoisoindoline Moiety. Inorg Chem 2012; 51:10774-86. [DOI: 10.1021/ic301176b] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Jamal Lasri
- Centro de Química Estrutural,
Complexo I, Instituto Superior Técnico, Technical University of Lisbon, Av. Rovisco Pais, 1049-001 Lisbon,
Portugal
| | - Maxim L. Kuznetsov
- Centro de Química Estrutural,
Complexo I, Instituto Superior Técnico, Technical University of Lisbon, Av. Rovisco Pais, 1049-001 Lisbon,
Portugal
| | - M. Fátima C. Guedes da Silva
- Centro de Química Estrutural,
Complexo I, Instituto Superior Técnico, Technical University of Lisbon, Av. Rovisco Pais, 1049-001 Lisbon,
Portugal
- Universidade Lusófona de Humanidades e Tecnologias, Av. Campo Grande 376,
ULHT Lisbon, 1749-024, Lisbon, Portugal
| | - Armando J. L. Pombeiro
- Centro de Química Estrutural,
Complexo I, Instituto Superior Técnico, Technical University of Lisbon, Av. Rovisco Pais, 1049-001 Lisbon,
Portugal
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Copper(II)-mediated in-situ hydrolyses of pyrroline N-oxide and benzonitrile leading to a mixed ligand complex. INORG CHEM COMMUN 2012. [DOI: 10.1016/j.inoche.2012.01.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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21
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Mindich AL, Bokach NA, Dolgushin FM, Haukka M, Lisitsyn LA, Zhdanov AP, Zhizhin KY, Miltsov SA, Kuznetsov NT, Kukushkin VY. 1,3-Dipolar Cycloaddition of Nitrones to a Nitrile Functionality in closo-Decaborate Clusters: A Novel Reactivity Mode for the Borylated C≡N Group. Organometallics 2012. [DOI: 10.1021/om200993f] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Aleksey L. Mindich
- Department of Chemistry, Saint-Petersburg State University, Universitetsky Pr. 26, 198504 Stary
Petergof, Russian Federation
| | - Nadezhda A. Bokach
- Department of Chemistry, Saint-Petersburg State University, Universitetsky Pr. 26, 198504 Stary
Petergof, Russian Federation
| | - Fedor M. Dolgushin
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilova str. 28, 119991 Moscow, Russian Federation
| | - Matti Haukka
- Department of Chemistry, University of Eastern Finland, P.O. Box 111, FI-80101 Joensuu, Finland
| | - Leonid A. Lisitsyn
- Department of Chemistry, Saint-Petersburg State University, Universitetsky Pr. 26, 198504 Stary
Petergof, Russian Federation
| | - Andrey P. Zhdanov
- N. S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, 31 Leninsky Pr., 119991 Moscow, Russian Federation
| | - Konstantin Yu. Zhizhin
- N. S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, 31 Leninsky Pr., 119991 Moscow, Russian Federation
| | - Serguei A. Miltsov
- Department of Chemistry, Saint-Petersburg State University, Universitetsky Pr. 26, 198504 Stary
Petergof, Russian Federation
| | - Nikolay T. Kuznetsov
- N. S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, 31 Leninsky Pr., 119991 Moscow, Russian Federation
| | - Vadim Yu. Kukushkin
- Department of Chemistry, Saint-Petersburg State University, Universitetsky Pr. 26, 198504 Stary
Petergof, Russian Federation
- Institute of Macromolecular Compounds, Russian Academy of Sciences, V.O. Bolshoi
Pr. 31, 199004 Saint-Petersburg, Russian Federation
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Bolotin DS, Bokach NA, Haukka M, Kukushkin VY. Platinum(IV)-Mediated Nitrile-Amidoxime Coupling Reactions: Insights into the Mechanism for the Generation of 1,2,4-Oxadiazoles. Chempluschem 2012. [DOI: 10.1002/cplu.201100047] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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23
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Novikov AS, Kuznetsov ML. Theoretical study of Re(IV) and Ru(II) bis-isocyanide complexes and their reactivity in cycloaddition reactions with nitrones. Inorganica Chim Acta 2012. [DOI: 10.1016/j.ica.2011.08.016] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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24
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Kritchenkov AS, Bokach NA, Kuznetsov ML, Dolgushin FM, Tung TQ, Molchanov AP, Kukushkin VY. Facile and Reversible 1,3-Dipolar Cycloaddition of Aryl Ketonitrones to Platinum(II)-Bound Nitriles: Synthetic, Structural, and Theoretical Studies. Organometallics 2011. [DOI: 10.1021/om201026n] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Andreii S. Kritchenkov
- Department of Chemistry, St.Petersburg State University, Universitetsky Prospect 26, 198504
Stary Petergof, Russian Federation
| | - Nadezhda A. Bokach
- Department of Chemistry, St.Petersburg State University, Universitetsky Prospect 26, 198504
Stary Petergof, Russian Federation
| | - Maxim L. Kuznetsov
- Centro de Química Estrutural, Complexo I, Instituto Superior
Técnico, Universidade Técnica de Lisboa, Avenida Rovisco Pais, 1049-001 Lisbon, Portugal
| | - Fedor M. Dolgushin
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilova Street
28, 119991 Moscow, Russian Federation
| | - Tran Q. Tung
- Department of Chemistry, St.Petersburg State University, Universitetsky Prospect 26, 198504
Stary Petergof, Russian Federation
| | - Alexander P. Molchanov
- Department of Chemistry, St.Petersburg State University, Universitetsky Prospect 26, 198504
Stary Petergof, Russian Federation
| | - Vadim Yu. Kukushkin
- Department of Chemistry, St.Petersburg State University, Universitetsky Prospect 26, 198504
Stary Petergof, Russian Federation
- Institute of Macromolecular Compounds of Russian Academy of Sciences, V.O. Bolshoii Prospect 31, 199004 St.Petersburg,
Russian Federation
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25
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Kopylovich MN, Karabach YY, Guedes da Silva MFC, Figiel PJ, Lasri J, Pombeiro AJL. Alkoxy-1,3,5-triazapentadien(e/ato) Copper(II) Complexes: Template Formation and Applications for the Preparation of Pyrimidines and as Catalysts for Oxidation of Alcohols to Carbonyl Products. Chemistry 2011; 18:899-914. [DOI: 10.1002/chem.201101688] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2011] [Revised: 09/08/2011] [Indexed: 01/13/2023]
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26
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1,3-Dipolar cycloaddition of nitrone-type dipoles to uncomplexed and metal-bound substrates bearing the CN triple bond. Coord Chem Rev 2011. [DOI: 10.1016/j.ccr.2011.07.001] [Citation(s) in RCA: 73] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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27
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Popova EA, Bokach NA, Haukka M, Trifonov RE, Ostrovskii VA. A new route to N(1)-5R-tetrazole complexes via azidation to nitriles coordinated to Pt(II) and Pt(IV). Inorganica Chim Acta 2011. [DOI: 10.1016/j.ica.2011.05.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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28
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Bokach NA, Balova IA, Haukka M, Kukushkin VY. Highly Stereoselective 1,3-Dipolar Cycloaddition of Nitrones to (Nitrile)2PtII Species Furnishing Diastereomerically Pure 2,3-Dihydro-1,2,4-oxadiazole Ligands. Organometallics 2011. [DOI: 10.1021/om100957b] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Nadezhda A. Bokach
- Department of Chemistry, St. Petersburg State University, Universitetsky Pr. 26, 198504 Stary Petergof, Russian Federation
| | - Irina A. Balova
- Department of Chemistry, St. Petersburg State University, Universitetsky Pr. 26, 198504 Stary Petergof, Russian Federation
| | - Matti Haukka
- Department of Chemistry, University of Eastern Finland, P.O. Box 111, FI-80101, Joensuu, Finland
| | - Vadim Yu. Kukushkin
- Department of Chemistry, St. Petersburg State University, Universitetsky Pr. 26, 198504 Stary Petergof, Russian Federation
- Institute of Macromolecular Compounds of the Russian Academy of Sciences, V.O. Bolshoi Pr. 31, 199004 St. Petersburg, Russian Federation
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29
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Kritchenkov AS, Bokach NA, Haukka M, Kukushkin VY. Unexpectedly efficient activation of push–pull nitriles by a PtII center toward dipolar cycloaddition of Z-nitrones. Dalton Trans 2011; 40:4175-82. [DOI: 10.1039/c0dt01689f] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Wagner G, Marchant A, Sayer J. Design, synthesis, characterisation and chemical reactivity of mixed-ligand platinum(II) oxadiazoline complexes with potential cytotoxic properties. Dalton Trans 2010; 39:7747-59. [PMID: 20657943 DOI: 10.1039/c0dt00360c] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
A series of mixed ligand platinum(II) oxadiazoline complexes bearing 7-nitro-1,3,5-triazaadamantane (7-NO(2)TAA) as a labile and reactive nitrogen ligand has been synthesised from easily accessible starting materials. [2+3] cycloaddition of nitrones R(1)R(2)C-N(+)(Me)O(-) to only one of the nitrile ligands in trans-[PtX(2)(PhCN)(2)] (X = Cl, Br) results in the selective formation of mono-oxadiazoline complexes trans-[PtX(2)(PhCN){N=C(Ph)-O-N(Me)-CR(1)R(2)}] from which the remaining nitrile can be replaced by 7-NO(2)TAA. The resulting complexes trans-[PtX(2)(7-NO(2)TAA) {N=C(Ph)-O-N(Me)-CR(1)R(2)}] and their precursors were characterised by elemental analysis, IR and multinuclear NMR spectroscopy.The suitability of the target complexes as anticancer agents was extrapolated from their general chemical reactivity. They are stable in DMSO, but react with thiols and undergo aquation of a chloro ligand. In the absence of a competing ligand, the coordinated 7-NO(2)TAA ligand slowly hydrolyses in an aqueous medium under release of formaldehyde, and this could induce bioactivity independent of the one typically found with platinum compounds. With nitrogen heterocycles such as pyridine a slow exchange of the 7-NO(2)TAA ligand occurs. A combined DFT/AIM study confirms the reaction observed in the experiment and predicts that other nitrogen heterocycles such as DNA nucleobases should react in the same way. Moreover, the 7-NO(2)TAA should be even more labile in an aqueous medium where protonation of the remaining amines can occur. A PM6 molecular modelling study suggests that the PtCl(oxadiazoline) fragment formed after release of one chloro and the labile 7-NO(2)TAA ligand fits well into the DNA groove and is able to form d(GpG) intrastrand crosslinks similar to the ones observed with cisplatin.
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Affiliation(s)
- Gabriele Wagner
- Solid State Chemistry, Institute of Physics, University of Augsburg, Universitätsstr. 1, D-86135 Augsburg, Germany.
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31
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Kuznetsov ML, Bokach NA, Kharlampidi DD, Medvedev YN, Kukushkin VY, Dementiev AI. Theoretical study of nucleophilic addition of amines to organic nitriles. RUSS J GEN CHEM+ 2010. [DOI: 10.1134/s1070363210030151] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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32
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Kuznetsov ML, Kukushkin VY, Pombeiro AJL. Comparative Theoretical Study of 1,3-Dipolar Cycloadditions of Allyl-Anion Type Dipoles to Free and Pt-Bound Nitriles. J Org Chem 2010; 75:1474-90. [DOI: 10.1021/jo902415d] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Maxim L. Kuznetsov
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, TU Lisbon, Av. Rovisco Pais, 1049-001 Lisbon, Portugal
| | - Vadim Yu. Kukushkin
- Department of Chemistry, St. Petersburg State University, 198504 Stary Petergof, Russian Federation
| | - Armando J. L. Pombeiro
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, TU Lisbon, Av. Rovisco Pais, 1049-001 Lisbon, Portugal
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33
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Menezes FMC, Kuznetsov ML, Pombeiro AJL. Isocyanide Complexes with Platinum and Palladium and Their Reactivity toward Cycloadditions with Nitrones to Form Aminooxycarbenes: A Theoretical Study. Organometallics 2009. [DOI: 10.1021/om900513b] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Filipe M. C. Menezes
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, TU Lisbon, Avenida Rovisco Pais, 1049-001 Lisbon, Portugal
| | - Maxim L. Kuznetsov
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, TU Lisbon, Avenida Rovisco Pais, 1049-001 Lisbon, Portugal
| | - Armando J. L. Pombeiro
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, TU Lisbon, Avenida Rovisco Pais, 1049-001 Lisbon, Portugal
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34
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Luzyanin KV, Tskhovrebov AG, Carias MC, Guedes da Silva MFC, Pombeiro AJL, Kukushkin VY. Novel Metal-Mediated (M = Pd, Pt) Coupling between Isonitriles and Benzophenone Hydrazone as a Route to Aminocarbene Complexes Exhibiting High Catalytic Activity (M = Pd) in the Suzuki−Miyaura Reaction. Organometallics 2009. [DOI: 10.1021/om900682v] [Citation(s) in RCA: 89] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Konstantin V. Luzyanin
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, TU Lisbon, Avenida Rovisco Pais, 1049-001 Lisbon, Portugal
| | - Alexander G. Tskhovrebov
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, TU Lisbon, Avenida Rovisco Pais, 1049-001 Lisbon, Portugal
- St.Petersburg State University, 198504 Stary Petergof, Russian Federation
| | - M. Carolina Carias
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, TU Lisbon, Avenida Rovisco Pais, 1049-001 Lisbon, Portugal
| | - M. Fátima C. Guedes da Silva
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, TU Lisbon, Avenida Rovisco Pais, 1049-001 Lisbon, Portugal
- Universidade Lusófona de Humanidades e Tecnologias, ULHT Lisbon, 1749-024 Lisbon, Portugal
| | - Armando J. L. Pombeiro
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, TU Lisbon, Avenida Rovisco Pais, 1049-001 Lisbon, Portugal
| | - Vadim Yu. Kukushkin
- St.Petersburg State University, 198504 Stary Petergof, Russian Federation
- Institute of Macromolecular Compounds of Russian Academy of Sciences, Bolshoii Pr. 31, 199004 St.Petersburg, Russian Federation
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35
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Luzyanin K, Tskhovrebov A, Guedes da Silva MF, Haukka M, Pombeiro A, Kukushkin V. Metal-Mediated [2+3] Cycloaddition of Nitrones to Palladium-Bound Isonitriles. Chemistry 2009; 15:5969-78. [DOI: 10.1002/chem.200802623] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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36
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Kuznetsov ML, Bokach NA, Kukushkin VY, Dement’ev AI. Theoretical study of ammonia nucleophilic addition to nitriles in platinum complexes. RUSS J GEN CHEM+ 2009. [DOI: 10.1134/s107036320902011x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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37
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38
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Bokach NA, Kuznetsov ML, Haukka M, Ovcharenko VI, Tretyakov EV, Kukushkin VY. Platinum(II)-Complexed Tetrahydroimidazo[1,2-b][1,2,4]oxadiazoles Derived from Metal-Mediated 1,3-Dipolar Cycloaddition. Novel Type of Heterocycles, Which Do Not Exist without the Metal Center. Organometallics 2009. [DOI: 10.1021/om800963d] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Nadezhda A. Bokach
- Department of Chemistry, St.Petersburg State University, 198504 Stary Petergof, Russian Federation, Department of Chemistry, Moscow Pedagogical State University, 3, Nesvigskiy per., 119021 Moscow, Russian Federation, Department of Chemistry, University of Joensuu, P.O. Box 111, FI-80101, Joensuu, Finland, International Tomography Center, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia, and Institute of Macromolecular Compounds of the Russian Academy of Sciences, V. O. Bolshoi Pr
| | - Maxim L. Kuznetsov
- Department of Chemistry, St.Petersburg State University, 198504 Stary Petergof, Russian Federation, Department of Chemistry, Moscow Pedagogical State University, 3, Nesvigskiy per., 119021 Moscow, Russian Federation, Department of Chemistry, University of Joensuu, P.O. Box 111, FI-80101, Joensuu, Finland, International Tomography Center, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia, and Institute of Macromolecular Compounds of the Russian Academy of Sciences, V. O. Bolshoi Pr
| | - Matti Haukka
- Department of Chemistry, St.Petersburg State University, 198504 Stary Petergof, Russian Federation, Department of Chemistry, Moscow Pedagogical State University, 3, Nesvigskiy per., 119021 Moscow, Russian Federation, Department of Chemistry, University of Joensuu, P.O. Box 111, FI-80101, Joensuu, Finland, International Tomography Center, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia, and Institute of Macromolecular Compounds of the Russian Academy of Sciences, V. O. Bolshoi Pr
| | - Victor I. Ovcharenko
- Department of Chemistry, St.Petersburg State University, 198504 Stary Petergof, Russian Federation, Department of Chemistry, Moscow Pedagogical State University, 3, Nesvigskiy per., 119021 Moscow, Russian Federation, Department of Chemistry, University of Joensuu, P.O. Box 111, FI-80101, Joensuu, Finland, International Tomography Center, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia, and Institute of Macromolecular Compounds of the Russian Academy of Sciences, V. O. Bolshoi Pr
| | - Eugeny V. Tretyakov
- Department of Chemistry, St.Petersburg State University, 198504 Stary Petergof, Russian Federation, Department of Chemistry, Moscow Pedagogical State University, 3, Nesvigskiy per., 119021 Moscow, Russian Federation, Department of Chemistry, University of Joensuu, P.O. Box 111, FI-80101, Joensuu, Finland, International Tomography Center, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia, and Institute of Macromolecular Compounds of the Russian Academy of Sciences, V. O. Bolshoi Pr
| | - Vadim Yu. Kukushkin
- Department of Chemistry, St.Petersburg State University, 198504 Stary Petergof, Russian Federation, Department of Chemistry, Moscow Pedagogical State University, 3, Nesvigskiy per., 119021 Moscow, Russian Federation, Department of Chemistry, University of Joensuu, P.O. Box 111, FI-80101, Joensuu, Finland, International Tomography Center, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia, and Institute of Macromolecular Compounds of the Russian Academy of Sciences, V. O. Bolshoi Pr
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39
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Lasri J, da Silva MFCG, Kopylovich MN, Mukhopadhyay S, Charmier MAJ, Pombeiro AJL. PdII-promoted [2 + 3] cycloaddition of pyrroline N-oxide to organonitriles. Application of (Δ4-1,2,4-oxadiazoline)-PdII complexes in the Suzuki–Miyaura reaction. Dalton Trans 2009:2210-6. [DOI: 10.1039/b813996b] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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40
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Kopylovich MN, Lasri J, Guedes da Silva MFC, Pombeiro AJL. Single-pot template transformations of cyanopyridines on a PdII centre: syntheses of ketoimine and 2,4-dipyridyl-1,3,5-triazapentadiene palladium(II) complexes and their catalytic activity for microwave-assisted Suzuki–Miyaura and Heck reactions. Dalton Trans 2009:3074-84. [DOI: 10.1039/b820680e] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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41
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Kuznetsov ML, Kukushkin VY. Theoretical investigation of cycloaddition reactions with Lewis acid mediation. RUSS J INORG CHEM+ 2008. [DOI: 10.1134/s0036023608130020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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42
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Lasri J, Kopylovich M, Guedes da Silva M, Charmier M, Pombeiro A. Metal-Free and PdII-Promoted [2+3] Cycloadditions of a Cyclic Nitrone to Phthalonitriles: Syntheses of Oxadiazolines as well as Phthalamide-PdIIand Dihydropyrrolyl-iminoisoindolinone-PdIIComplexes with High Catalytic Activity in Suzuki-Miyaura Cross-Coupling Reactions. Chemistry 2008; 14:9312-22. [DOI: 10.1002/chem.200800510] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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43
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Luzyanin KV, Pombeiro AJL, Haukka M, Kukushkin VY. Coupling between 3-Iminoisoindolin-1-ones and Complexed Isonitriles as a Metal-Mediated Route to a Novel Type of Palladium and Platinum Iminocarbene Species. Organometallics 2008. [DOI: 10.1021/om800517c] [Citation(s) in RCA: 65] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Konstantin V. Luzyanin
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, TU Lisbon, Avenida Rovisco Pais, 1049-001 Lisbon, Portugal, St.Petersburg State University, 198504 Stary Petergof, Russian Federation, Department of Chemistry, University of Joensuu, P.O. Box 111, FI-80101, Joensuu, Finland, and Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoii Pr. 31, 199004 St.Petersburg, Russian Federation
| | - Armando J. L. Pombeiro
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, TU Lisbon, Avenida Rovisco Pais, 1049-001 Lisbon, Portugal, St.Petersburg State University, 198504 Stary Petergof, Russian Federation, Department of Chemistry, University of Joensuu, P.O. Box 111, FI-80101, Joensuu, Finland, and Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoii Pr. 31, 199004 St.Petersburg, Russian Federation
| | - Matti Haukka
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, TU Lisbon, Avenida Rovisco Pais, 1049-001 Lisbon, Portugal, St.Petersburg State University, 198504 Stary Petergof, Russian Federation, Department of Chemistry, University of Joensuu, P.O. Box 111, FI-80101, Joensuu, Finland, and Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoii Pr. 31, 199004 St.Petersburg, Russian Federation
| | - Vadim Yu. Kukushkin
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, TU Lisbon, Avenida Rovisco Pais, 1049-001 Lisbon, Portugal, St.Petersburg State University, 198504 Stary Petergof, Russian Federation, Department of Chemistry, University of Joensuu, P.O. Box 111, FI-80101, Joensuu, Finland, and Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoii Pr. 31, 199004 St.Petersburg, Russian Federation
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44
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Lasri J, Guedes da Silva MFC, Charmier MAJ, Pombeiro AJL. Optically Active Mixed Unsymmetric Imine Platinum(II) Complexes - Utilization of the Liberated Imines for Further Syntheses of Mixed Imine-Diazadiene Complexes and of (E)-Cyanoalkenes. Eur J Inorg Chem 2008. [DOI: 10.1002/ejic.200800343] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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45
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Luzyanin KV, Gushchin PV, Pombeiro AJL, Haukka M, Ovcharenko VI, Kukushkin VY. Oxidation of Pt-bound Bis-hydroxylamine as a Novel Route to Unexplored Dinitrosoalkane Ligated Species. Inorg Chem 2008; 47:6919-30. [DOI: 10.1021/ic800481a] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Konstantin V. Luzyanin
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, TU Lisbon, Av. Rovisco Pais, 1049-001 Lisbon, Portugal, St.Petersburg State University, 198504 Stary Petergof, Russian Federation, Department of Chemistry, University of Joensuu, P.O. Box 111, FI-80101, Joensuu, Finland, International Tomography Center, Institutskaya Str. 3a, 630090 Novosibirsk, Russian Federation, and Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoii Pr. 31, 199004 St.Petersburg,
| | - Pavel V. Gushchin
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, TU Lisbon, Av. Rovisco Pais, 1049-001 Lisbon, Portugal, St.Petersburg State University, 198504 Stary Petergof, Russian Federation, Department of Chemistry, University of Joensuu, P.O. Box 111, FI-80101, Joensuu, Finland, International Tomography Center, Institutskaya Str. 3a, 630090 Novosibirsk, Russian Federation, and Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoii Pr. 31, 199004 St.Petersburg,
| | - Armando J. L. Pombeiro
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, TU Lisbon, Av. Rovisco Pais, 1049-001 Lisbon, Portugal, St.Petersburg State University, 198504 Stary Petergof, Russian Federation, Department of Chemistry, University of Joensuu, P.O. Box 111, FI-80101, Joensuu, Finland, International Tomography Center, Institutskaya Str. 3a, 630090 Novosibirsk, Russian Federation, and Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoii Pr. 31, 199004 St.Petersburg,
| | - Matti Haukka
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, TU Lisbon, Av. Rovisco Pais, 1049-001 Lisbon, Portugal, St.Petersburg State University, 198504 Stary Petergof, Russian Federation, Department of Chemistry, University of Joensuu, P.O. Box 111, FI-80101, Joensuu, Finland, International Tomography Center, Institutskaya Str. 3a, 630090 Novosibirsk, Russian Federation, and Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoii Pr. 31, 199004 St.Petersburg,
| | - Victor I. Ovcharenko
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, TU Lisbon, Av. Rovisco Pais, 1049-001 Lisbon, Portugal, St.Petersburg State University, 198504 Stary Petergof, Russian Federation, Department of Chemistry, University of Joensuu, P.O. Box 111, FI-80101, Joensuu, Finland, International Tomography Center, Institutskaya Str. 3a, 630090 Novosibirsk, Russian Federation, and Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoii Pr. 31, 199004 St.Petersburg,
| | - Vadim Yu. Kukushkin
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, TU Lisbon, Av. Rovisco Pais, 1049-001 Lisbon, Portugal, St.Petersburg State University, 198504 Stary Petergof, Russian Federation, Department of Chemistry, University of Joensuu, P.O. Box 111, FI-80101, Joensuu, Finland, International Tomography Center, Institutskaya Str. 3a, 630090 Novosibirsk, Russian Federation, and Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoii Pr. 31, 199004 St.Petersburg,
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46
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Wagner G, Garland T. Synthesis of 5-trichloromethyl-Δ4-1,2,4-oxadiazolines and their rearrangement into formamidine derivatives. Tetrahedron Lett 2008. [DOI: 10.1016/j.tetlet.2008.04.012] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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47
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Kuznetsov ML, Kukushkin VY, Pombeiro AJL. Reactivity of Pt- and Pd-bound nitriles towards nitrile oxides and nitrones: substitution vs. cycloaddition. Dalton Trans 2008:1312-22. [PMID: 18305843 DOI: 10.1039/b713425h] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Reactions of the nitrone CH3CH=N(CH3)O and the nitrile oxide CH3C[triple bond]NO with the nitrile complexes trans-[MCl2(N[triple bond]CCH3)2] (M = Pt, 1; Pd, 2) were investigated by theoretical methods at B3LYP and, for some processes, CCSD(T) levels of theory. The mechanisms of substitutions and cycloadditions were studied in detail. The former occur via a concerted asynchronous mechanism of dissociative type. The calculations of the metal-ligand bond energies in the starting complexes and substitution products and the analysis of structural features of the transition states indicate that the M-N bond dissociation (rather than M-O bond formation) is the step, which controls the reactivity of and in substitutions. The different chemical behaviours of the Pt and Pd complexes towards the 1,3-dipoles were investigated. The exclusive isolation of cycloaddition rather than substitution products in any solvents in the case of is both kinetically and thermodynamically controlled. The switch of the reaction mode from cycloaddition to substitution for 2 in CH2Cl2 solution is caused by the significantly lower Pd-N bond energy in comparison with the Pt-N bond energy, consistent with the higher lability of the Pd complexes. The different chemical behaviour of 2 in CH3CN and CH2Cl2 solvents is accounted for by the great excess of acetonitrile in the CH3CN solution rather than a different solvation character. The relative variation of Wiberg bond indices along the reaction path is proposed as a quantitative criterion for the classification of the reaction mechanism.
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Affiliation(s)
- Maxim L Kuznetsov
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, TU Lisbon, Av. Rovisco Pais, 1049-001 Lisbon, Portugal.
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Wagner G, Danks TN, Desai B. Theoretical study of the cycloaddition of nitrones to cinnamonitrile: effect of Lewis acid coordination on the selectivity of the reaction. Tetrahedron 2008. [DOI: 10.1016/j.tet.2007.11.032] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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49
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Sarju J, Arbour J, Sayer J, Rohrmoser B, Scherer W, Wagner G. Synthesis and characterisation of mixed ligand Pt(ii) and Pt(iv) oxadiazoline complexes. Dalton Trans 2008:5302-12. [DOI: 10.1039/b807410k] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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50
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Coley HM, Sarju J, Wagner G. Synthesis and Characterization of Platinum(II) Oxadiazoline Complexes and their In Vitro Antitumor Activity in Platinum-Sensitive and -Resistant Cancer Cell Lines. J Med Chem 2007; 51:135-41. [DOI: 10.1021/jm061263s] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Helen M. Coley
- Postgraduate Medical School, University of Surrey, Guildford, Surrey, GU2 7XH, United Kingdom, and Chemistry Division, SBMS, University of Surrey, Guildford, Surrey, GU2 7XH, United Kingdom
| | - Julien Sarju
- Postgraduate Medical School, University of Surrey, Guildford, Surrey, GU2 7XH, United Kingdom, and Chemistry Division, SBMS, University of Surrey, Guildford, Surrey, GU2 7XH, United Kingdom
| | - Gabriele Wagner
- Postgraduate Medical School, University of Surrey, Guildford, Surrey, GU2 7XH, United Kingdom, and Chemistry Division, SBMS, University of Surrey, Guildford, Surrey, GU2 7XH, United Kingdom
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