1
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Triarylazoimidazole-ZnII, CdII, and HgII Complexes: Structures, Photophysics, and Antibacterial Properties. CRYSTALS 2022. [DOI: 10.3390/cryst12050680] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Novel triarylazoimidazoles containing strong electron donors (p-NEt2) or acceptors (p-NO2) by the azoaryl group, and their group 12 metal complexes were synthesized and fully characterized, including X-ray analysis for several complexes. Novel complexes exhibit red photo-luminescence emission (Φ up to 0.21) in a solution. Moreover, the antibacterial activity of complexes was tested against Gram-positive microorganism S. aureus and Gram-negative microorganism E. coli.
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2
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Aurophilic Interactions in Cationic Three-Coordinate Gold(I) Bipyridyl/Isocyanide Complex. CRYSTALS 2022. [DOI: 10.3390/cryst12050613] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Gold(I) isocyanide complexes featuring Au···Au interactions attract considerable attention because of their tunable photophysical properties. Although the synthetic exploration of isocyanide gold(I) complexes seems reasonable, their structural diversity is mainly limited to linear gold(I) derivatives. The synthesis and structural characterization of cationic three-coordinate gold(I) mixed 2,2′-bipyridyl/isocyanide complex are presented here for the first time. Cationic gold species form supramolecular dimers in the solid state via attractive Au···Au interactions. The nature and energies of aurophilic contacts, which are responsible for dimerization in the solid state, were studied by DFT calculations together with QTAIM, ELF, RDG, and NCI techniques and Hirshfeld surface analysis. The estimated energy of the aurophilic interactions was 6.3 kcal/mol.
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3
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Shikhaliyev NG, Maharramov AM, Suleymanova GT, Babazade AA, Nenajdenko VG, Khrustalev VN, Novikov AS, Tskhovrebov AG. Arylhydrazones of α-keto esters via methanolysis of dichlorodiazabutadienes: synthesis and structural study. MENDELEEV COMMUNICATIONS 2021. [DOI: 10.1016/j.mencom.2021.09.028] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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4
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Azoimidazole gold(III) complexes: Synthesis, structural characterization and self-assembly in the solid state. Inorganica Chim Acta 2021. [DOI: 10.1016/j.ica.2021.120373] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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5
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Löffler LE, Buchsteiner M, Collins LR, Caló FP, Singha S, Fürstner A. [Rh
2
(MEPY)
4
] and [BiRh(MEPY)
4
]: Convenient Syntheses and Computational Analysis of Strikingly Dissimilar Siblings. Helv Chim Acta 2021. [DOI: 10.1002/hlca.202100042] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Lorenz E. Löffler
- Max-Planck-Institut für Kohlenforschung DE-45470 Mülheim/Ruhr Germany
| | | | - Lee R. Collins
- Max-Planck-Institut für Kohlenforschung DE-45470 Mülheim/Ruhr Germany
| | - Fabio P. Caló
- Max-Planck-Institut für Kohlenforschung DE-45470 Mülheim/Ruhr Germany
| | - Santanu Singha
- Max-Planck-Institut für Kohlenforschung DE-45470 Mülheim/Ruhr Germany
| | - Alois Fürstner
- Max-Planck-Institut für Kohlenforschung DE-45470 Mülheim/Ruhr Germany
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6
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Tskhovrebov AG, Novikov AS, Khrustalev VN. IDENTIFICATION OF SUPRAMOLECULAR DIMERS
IN THE CRYSTAL STRUCTURE OF (Z)-1-(((5-FLUOROPYRIDIN-2-YL)AMINO)METHYLENE)NAPHTHALEN-2(1H)-ONE
via C(sp2)–H⋯F HYDROGEN BONDING: A COMBINED
EXPERIMENTAL AND THEORETICAL STUDY. J STRUCT CHEM+ 2021. [DOI: 10.1134/s0022476621030136] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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7
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Khrustalev VN, Savchenko AO, Zhukova AI, Chernikova NY, Kurykin MA, Novikov AS, Tskhovrebov AG. Attractive fluorine···fluorine interactions between perfluorinated alkyl chains: a case of perfluorinated Cu(II) diiminate Cu[C2F5–C(NH)–CF=C(NH)–CF3]2. Z KRIST-CRYST MATER 2021. [DOI: 10.1515/zkri-2021-2009] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Abstract
A synthesis of the perfluorinated copper diiminate complex Cu[C2F5–C(NH)–CF=C(NH)–CF3]2 (3) and its self-assembly into infinite 1D chains in the crystal via Type II C(sp3)–F···F–C(sp3) contacts between perfluoroethyl substituents is reported. Rare Type II F···F interactions were studied by DFT calculations and topological analysis of the electron density distribution within the formalism of Bader’s theory (QTAIM method). This is the first report which discusses Type II contacts between perfuoroalkyl chains.
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Affiliation(s)
- Victor N. Khrustalev
- Peoples’ Friendship University of Russia , 6 Miklukho-Maklaya Street , Moscow , 117198 , Russian Federation
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences , 47 Leninsky Prosp. , Moscow , Russian Federation
| | - Anna O. Savchenko
- Peoples’ Friendship University of Russia , 6 Miklukho-Maklaya Street , Moscow , 117198 , Russian Federation
| | - Anna I. Zhukova
- Peoples’ Friendship University of Russia , 6 Miklukho-Maklaya Street , Moscow , 117198 , Russian Federation
| | - Natalia Yu. Chernikova
- Peoples’ Friendship University of Russia , 6 Miklukho-Maklaya Street , Moscow , 117198 , Russian Federation
| | - Michael A. Kurykin
- Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences , Moscow , Russian Federation
| | - Alexander S. Novikov
- Saint Petersburg State University , Universitetskaya Nab. 7/9 , 199034 Saint Petersburg , Russian Federation
| | - Alexander G. Tskhovrebov
- Peoples’ Friendship University of Russia , 6 Miklukho-Maklaya Street , Moscow , 117198 , Russian Federation
- N. N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences , Ul. Kosygina 4 , Moscow , Russian Federation
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8
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Astafiev AA, Repina OV, Tupertsev BS, Nazarov AA, Gonchar MR, Vologzhanina AV, Nenajdenko VG, Kritchenkov AS, Khrustalev VN, Nadtochenko VN, Tskhovrebov AG. Unprecedented Coordination-Induced Bright Red Emission from Group 12 Metal-Bound Triarylazoimidazoles. Molecules 2021; 26:molecules26061739. [PMID: 33804616 PMCID: PMC8003801 DOI: 10.3390/molecules26061739] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Revised: 03/12/2021] [Accepted: 03/17/2021] [Indexed: 11/16/2022] Open
Abstract
Arylazoimidazoles are important dyes which were intensively studied in the past. In contrast, triarylazoimidazoles (derivatives which carry aryl substituents at the imidazole core) received almost no attention in the scientific literature. Here, we report a new family of simple and easily accessible triarylazoimidazole-group 12 metal complexes, which feature highly efficient photo-luminescence emission (Φ up to 0.44). Novel compounds exhibit bright red emission in solution, which could be excited with a visible light.
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Affiliation(s)
- Artyom A. Astafiev
- N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, Kosygina 4, 119991 Moscow, Russia; (A.A.A.); (O.V.R.); (B.S.T.); (V.N.N.)
- Lomonosov Moscow State University, Chemistry Department, Leninskie Gory 1/3, 119991 Moscow, Russia; (A.A.N.); (M.R.G.); (V.G.N.)
| | - Olga V. Repina
- N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, Kosygina 4, 119991 Moscow, Russia; (A.A.A.); (O.V.R.); (B.S.T.); (V.N.N.)
- Peoples’ Friendship University of Russia, Miklukho-Maklaya Street 6, 117198 Moscow, Russia; (A.S.K.); (V.N.K.)
| | - Boris S. Tupertsev
- N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, Kosygina 4, 119991 Moscow, Russia; (A.A.A.); (O.V.R.); (B.S.T.); (V.N.N.)
- Peoples’ Friendship University of Russia, Miklukho-Maklaya Street 6, 117198 Moscow, Russia; (A.S.K.); (V.N.K.)
| | - Alexey A. Nazarov
- Lomonosov Moscow State University, Chemistry Department, Leninskie Gory 1/3, 119991 Moscow, Russia; (A.A.N.); (M.R.G.); (V.G.N.)
| | - Maria R. Gonchar
- Lomonosov Moscow State University, Chemistry Department, Leninskie Gory 1/3, 119991 Moscow, Russia; (A.A.N.); (M.R.G.); (V.G.N.)
| | - Anna V. Vologzhanina
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilova Street 28, 119334 Moscow, Russia;
| | - Valentine G. Nenajdenko
- Lomonosov Moscow State University, Chemistry Department, Leninskie Gory 1/3, 119991 Moscow, Russia; (A.A.N.); (M.R.G.); (V.G.N.)
| | - Andreii S. Kritchenkov
- Peoples’ Friendship University of Russia, Miklukho-Maklaya Street 6, 117198 Moscow, Russia; (A.S.K.); (V.N.K.)
| | - Victor N. Khrustalev
- Peoples’ Friendship University of Russia, Miklukho-Maklaya Street 6, 117198 Moscow, Russia; (A.S.K.); (V.N.K.)
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky Prospect, 119334 Moscow, Russia
| | - Victor N. Nadtochenko
- N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, Kosygina 4, 119991 Moscow, Russia; (A.A.A.); (O.V.R.); (B.S.T.); (V.N.N.)
- Lomonosov Moscow State University, Chemistry Department, Leninskie Gory 1/3, 119991 Moscow, Russia; (A.A.N.); (M.R.G.); (V.G.N.)
| | - Alexander G. Tskhovrebov
- N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, Kosygina 4, 119991 Moscow, Russia; (A.A.A.); (O.V.R.); (B.S.T.); (V.N.N.)
- Peoples’ Friendship University of Russia, Miklukho-Maklaya Street 6, 117198 Moscow, Russia; (A.S.K.); (V.N.K.)
- Correspondence:
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9
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Temesgen A, Tskhovrebov AG, Vologzhanina AV, Le TA, Khrustalev VN. Crystal structure of 2-[( E)-2-(4-bromo-phen-yl)diazen-1-yl]-4,5-bis-(4-meth-oxy-phen-yl)-1 H-imidazole: the first example of a structurally characterized tri-aryl-azo-imid-azole. Acta Crystallogr E Crystallogr Commun 2021; 77:305-308. [PMID: 33953956 PMCID: PMC8061115 DOI: 10.1107/s2056989021002024] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 02/20/2021] [Indexed: 11/10/2022]
Abstract
The title compound, C23H19BrN4O2, is a product of an azo coupling reaction between 3,4-bis-(4-meth-oxy-phen-yl)imidazole and 4-bromo-phenyl-diazo-nium tetra-fluoro-borate. Its crystal structure was determined using data collected at 120 K. The mol-ecule adopts a trans configuration with respect to the N=N double bond. The imidazole and aryl rings attached to the azo linkage are coplanar within 12.73 (14)°, which indicates significant electron delocalization within the mol-ecule. In the crystal, the mol-ecules form centrosymmetric dimers via pairs of N-H⋯O hydrogen bonds.
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Affiliation(s)
- Ayalew Temesgen
- Chemistry Department, College of Natural and Computational Sciences, University of Gondar, 196 Gondar, Ethiopia
| | - Alexander G. Tskhovrebov
- N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, Ul. Kosygina 4, Moscow, Russian Federation
- Peoples’ Friendship University of Russia, 6 Miklukho-Maklaya Street, Moscow, 117198, Russian Federation
| | - Anna V. Vologzhanina
- Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow, Vavilova str., 28, Russian Federation
| | - Tuan A. Le
- Faculty of Chemistry, VNU University of Science, Vietnam National University, Hanoi, 334 Nguyen Trai, Hanoi, 100000, Vietnam
| | - Victor N. Khrustalev
- Peoples’ Friendship University of Russia, 6 Miklukho-Maklaya Street, Moscow, 117198, Russian Federation
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10
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Ito T, Harada S, Homma H, Takenaka H, Hirose S, Nemoto T. Asymmetric Intramolecular Dearomatization of Nonactivated Arenes with Ynamides for Rapid Assembly of Fused Ring System under Silver Catalysis. J Am Chem Soc 2021; 143:604-611. [PMID: 33382259 DOI: 10.1021/jacs.0c10682] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Arene dearomatization is a straightforward method for converting an aromatic feedstock into functionalized carbocycles. Enantioselective dearomatizations of chemically inert arenes, however, are quite limited and underexplored relative to those of phenols and indoles. We developed a method for diazo-free generation of silver-carbene species from an ynamide and applied it to the dearomatization of nonactivated arenes. Transiently generated norcaradiene could be trapped by intermolecular [4 + 2] cycloaddition, synthesizing polycycles with five consecutive stereogenic centers. This protocol constitutes the first highly enantioselective reaction based on the diazo-free generation of silver-carbene species. Mechanistic investigations revealed a dearomatization followed by two different classes of pericyclic reactions, as well as the origin of the chemo- and enantioselectivity.
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Affiliation(s)
- Tsubasa Ito
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1, Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Shingo Harada
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1, Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Haruka Homma
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1, Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Hiroki Takenaka
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1, Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Shumpei Hirose
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1, Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Tetsuhiro Nemoto
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1, Inohana, Chuo-ku, Chiba 260-8675, Japan.,Molecular Chirality Research Center, Chiba University, 1-33, Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
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11
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Toledo A, Salamanca V, Pérez-Moro T, Albéniz AC. Transmetalation of Acyclic Tungsten Carbenes to Coinage Metals: Distinct Behavior of Silver toward Carbene Transfer and Hydrolysis. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00675] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Alberto Toledo
- IU CINQUIMA/Química Inorgánica, Universidad de Valladolid, 47071 Valladolid, Spain
| | - Vanesa Salamanca
- IU CINQUIMA/Química Inorgánica, Universidad de Valladolid, 47071 Valladolid, Spain
| | - Teresa Pérez-Moro
- IU CINQUIMA/Química Inorgánica, Universidad de Valladolid, 47071 Valladolid, Spain
| | - Ana C. Albéniz
- IU CINQUIMA/Química Inorgánica, Universidad de Valladolid, 47071 Valladolid, Spain
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12
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Fukuda Y, Yoshinari N, Konno T. Insertion of a Hydride Ion Into a Tetrasilver(I) Cluster Covered by S-Donating Rhodium(III) Metalloligands. Inorg Chem 2020; 60:468-475. [DOI: 10.1021/acs.inorgchem.0c03267] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yosuke Fukuda
- Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - Nobuto Yoshinari
- Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - Takumi Konno
- Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan
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13
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Homma H, Harada S, Ito T, Kanda A, Nemoto T. Atypical Dearomative Spirocyclization of β-Naphthols with Diazoacetamides Using a Silver Catalyst. Org Lett 2020; 22:8132-8138. [PMID: 33026816 DOI: 10.1021/acs.orglett.0c03110] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
A chemoselective dearomatization of the less reactive benzenoid unit in β-naphthol was developed. Spirocyclization with a reductant constructs a pivotal structure for drug candidates. One-pot oxidative conversion enabled the tandem dearomatization of β-naphthol, producing conjugated tetraenone variants. The potential utility of the product as an F--selective anion sensor was also demonstrated. Theoretical studies revealed the intermediacy of silver-carbenoid species leading to chemoselective spirocyclization over arene cyclopropanation.
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Affiliation(s)
- Haruka Homma
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1, Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Shingo Harada
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1, Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Tsubasa Ito
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1, Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Ayaka Kanda
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1, Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Tetsuhiro Nemoto
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1, Inohana, Chuo-ku, Chiba 260-8675, Japan.,Molecular Chirality Research Center, Chiba University, 1-33, Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
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14
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Ueda J, Harada S, Kanda A, Nakayama H, Nemoto T. Silver-Catalyzed, Chemo- and Enantioselective Intramolecular Dearomatization of Indoles to Access Sterically Congested Azaspiro Frameworks. J Org Chem 2020; 85:10934-10950. [PMID: 32692554 DOI: 10.1021/acs.joc.0c01580] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
An asymmetric dearomatization of indoles bearing α-diazoacetamide functionalities was developed for synthesizing high-value spiro scaffolds. A silver phosphate chemoselectively catalyzed the sterically challenging dearomatization, whereas more typically used metal catalysts for carbene transfer reactions, such as a rhodium complex, were not effective and instead resulted in a Büchner ring expansion or cyclopropanation. Mechanistic studies indicated that the spirocyclization occurred through a silver-assisted asynchronous concerted process and not via a silver-carbene intermediate. Analyses based on natural bond orbital population and a distortion/interaction model indicated that the degree of C-Ag mutual interaction is crucial for achieving a high level of enantiocontrol. In addition, an oxidative disconnection of a C(sp3)-C(sp2) bond in the product provided unconventional access to the corresponding chiral spirooxindole.
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Affiliation(s)
- Jun Ueda
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1, Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Shingo Harada
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1, Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Ayaka Kanda
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1, Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Hiroki Nakayama
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1, Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Tetsuhiro Nemoto
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1, Inohana, Chuo-ku, Chiba 260-8675, Japan.,Molecular Chirality Research Center, Chiba University, 1-33, Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
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15
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Caló FP, Fürstner A. A Heteroleptic Dirhodium Catalyst for Asymmetric Cyclopropanation with α‐Stannyl α‐Diazoacetate. “Stereoretentive” Stille Coupling with Formation of Chiral Quarternary Carbon Centers. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202004377] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Fabio P. Caló
- Max-Planck-Institut für Kohlenforschung 45470 Mülheim/Ruhr Germany
| | - Alois Fürstner
- Max-Planck-Institut für Kohlenforschung 45470 Mülheim/Ruhr Germany
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16
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Caló FP, Fürstner A. A Heteroleptic Dirhodium Catalyst for Asymmetric Cyclopropanation with α-Stannyl α-Diazoacetate. "Stereoretentive" Stille Coupling with Formation of Chiral Quarternary Carbon Centers. Angew Chem Int Ed Engl 2020; 59:13900-13907. [PMID: 32426901 PMCID: PMC7496581 DOI: 10.1002/anie.202004377] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 05/18/2020] [Indexed: 01/06/2023]
Abstract
The heteroleptic dirhodium paddlewheel catalyst 7 with a chiral carboxylate/acetamidate ligand sphere is uniquely effective in asymmetric [2+1] cycloadditions with α‐diazo‐α‐trimethylstannyl (silyl, germyl) acetate. Originally discovered as a trace impurity in a sample of the homoleptic parent complex [Rh2((R)‐TPCP)4] (5), it is shown that the protic acetamidate ligand is quintessential for rendering 7 highly enantioselective. The ‐NH group is thought to lock the ensuing metal carbene in place via interligand hydrogen bonding. The resulting stannylated cyclopropanes undergo “stereoretentive” cross coupling, which shows for the first time that even chiral quarternary carbon centers can be made by the Stille–Migita reaction.
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Affiliation(s)
- Fabio P Caló
- Max-Planck-Institut für Kohlenforschung, 45470, Mülheim/Ruhr, Germany
| | - Alois Fürstner
- Max-Planck-Institut für Kohlenforschung, 45470, Mülheim/Ruhr, Germany
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17
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Zhu D, Chen L, Fan H, Yao Q, Zhu S. Recent progress on donor and donor-donor carbenes. Chem Soc Rev 2020; 49:908-950. [PMID: 31958107 DOI: 10.1039/c9cs00542k] [Citation(s) in RCA: 208] [Impact Index Per Article: 52.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Donor and donor-donor carbenes are two important kinds of carbenes, which have experienced tremendous growth in the past two decades. This review provides a comprehensive overview of the recent development of donor and donor-donor carbene chemistry. The development of this chemistry offers efficient protocols to construct a wide variety of C-C and C-X bonds in organic synthesis. This review is organized based on the different types of carbene precursors, including diazo compounds, hydrazones, enynones, cycloheptatrienes and cyclopropenes. The typical transformations, the reaction mechanisms, as well as their subsequent applications in the synthesis of complex natural products and bioactive molecules are discussed. Due to the rapidly increasing interest in this area, we believe that this review will provide a timely and comprehensive discussion of recent progress in donor and donor-donor carbene chemistry.
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Affiliation(s)
- Dong Zhu
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510640, P. R. China.
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18
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Buchsteiner M, Martinez‐Rodriguez L, Jerabek P, Pozo I, Patzer M, Nöthling N, Lehmann CW, Fürstner A. Catalytic Asymmetric Fluorination of Copper Carbene Complexes: Preparative Advances and a Mechanistic Rationale. Chemistry 2020; 26:2509-2515. [PMID: 31916634 PMCID: PMC7065061 DOI: 10.1002/chem.202000081] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Indexed: 01/21/2023]
Abstract
The Cu-catalyzed reaction of substituted α-diazoesters with fluoride gives α-fluoroesters with ee values of up to 95 %, provided that chiral indane-derived bis(oxazoline) ligands are used that carry bulky benzyl substituents at the bridge and moderately bulky isopropyl groups on their core. The apparently homogeneous solution of CsF in C6 F6 /hexafluoroisopropanol (HFIP) is the best reaction medium, but CsF in the biphasic mixture CH2 Cl2 /HFIP also provides good results. DFT studies suggest that fluoride initially attacks the Cu- rather than the C-atom of the transient donor/acceptor carbene intermediate. This unusual step is followed by 1,2-fluoride shift; for this migratory insertion to occur, the carbene must rotate about the Cu-C bond to ensure orbital overlap. The directionality of this rotatory movement within the C2 -symmetric binding site determines the sense of induction. This model is in excellent accord with the absolute configuration of the resulting product as determined by X-ray diffraction using single crystals of this a priori wax-like material grown by capillary crystallization.
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Affiliation(s)
| | | | - Paul Jerabek
- Max-Planck-Institut für Kohlenforschung45470Mülheim/RuhrGermany
- Present Address: Nanotechnology DepartmentHelmholtz-Zentrum Geesthacht21502GeesthachtGermany
| | - Iago Pozo
- Max-Planck-Institut für Kohlenforschung45470Mülheim/RuhrGermany
| | - Michael Patzer
- Max-Planck-Institut für Kohlenforschung45470Mülheim/RuhrGermany
| | - Nils Nöthling
- Max-Planck-Institut für Kohlenforschung45470Mülheim/RuhrGermany
| | | | - Alois Fürstner
- Max-Planck-Institut für Kohlenforschung45470Mülheim/RuhrGermany
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19
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Peil S, Fürstner A. Mechanistic Divergence in the Hydrogenative Synthesis of Furans and Butenolides: Ruthenium Carbenes Formed by gem-Hydrogenation or through Carbophilic Activation of Alkynes. Angew Chem Int Ed Engl 2019; 58:18476-18481. [PMID: 31609498 PMCID: PMC6916381 DOI: 10.1002/anie.201912161] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Indexed: 01/15/2023]
Abstract
Enynes with a tethered carbonyl substituent are converted into substituted furan derivatives upon hydrogenation using [Cp*RuCl]4 as the catalyst. Paradoxically, this transformation can occur along two distinct pathways, each of which proceeds via discrete pianostool ruthenium carbenes. In the first case, hydrogenation and carbene formation are synchronized ("gem-hydrogenation"), whereas the second pathway comprises carbene formation by carbophilic activation of the triple bond, followed by hydrogenative catalyst recycling. Representative carbene intermediates of either route were characterized by X-ray crystallography; the structural data prove that the attack of the carbonyl group on the electrophilic carbene center follows a Bürgi-Dunitz trajectory.
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Affiliation(s)
- Sebastian Peil
- Max-Planck-Institut für Kohlenforschung45470Mülheim/RuhrGermany
| | - Alois Fürstner
- Max-Planck-Institut für Kohlenforschung45470Mülheim/RuhrGermany
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20
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Herndon JW. The chemistry of the carbon-transition metal double and triple bond: Annual survey covering the year 2018. Coord Chem Rev 2019. [DOI: 10.1016/j.ccr.2019.213051] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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21
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Peil S, Fürstner A. Mechanistic Divergence in the Hydrogenative Synthesis of Furans and Butenolides: Ruthenium Carbenes Formed by
gem
‐Hydrogenation or through Carbophilic Activation of Alkynes. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201912161] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Sebastian Peil
- Max-Planck-Institut für Kohlenforschung 45470 Mülheim/Ruhr Germany
| | - Alois Fürstner
- Max-Planck-Institut für Kohlenforschung 45470 Mülheim/Ruhr Germany
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22
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Biberger T, Gordon CP, Leutzsch M, Peil S, Guthertz A, Copéret C, Fürstner A. Alkyne
gem
‐Hydrogenation: Formation of Pianostool Ruthenium Carbene Complexes and Analysis of Their Chemical Character. Angew Chem Int Ed Engl 2019; 58:8845-8850. [DOI: 10.1002/anie.201904255] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2019] [Indexed: 11/06/2022]
Affiliation(s)
- Tobias Biberger
- Max-Planck-Institut für Kohlenforschung 45470 Mülheim/Ruhr Germany
| | - Christopher P. Gordon
- Department of Chemistry and Applied BiosciencesETH Zürich Vladimir-Prelog-Weg 1–5 8093 Zürich Switzerland
| | - Markus Leutzsch
- Max-Planck-Institut für Kohlenforschung 45470 Mülheim/Ruhr Germany
| | - Sebastian Peil
- Max-Planck-Institut für Kohlenforschung 45470 Mülheim/Ruhr Germany
| | | | - Christophe Copéret
- Department of Chemistry and Applied BiosciencesETH Zürich Vladimir-Prelog-Weg 1–5 8093 Zürich Switzerland
| | - Alois Fürstner
- Max-Planck-Institut für Kohlenforschung 45470 Mülheim/Ruhr Germany
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23
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Biberger T, Gordon CP, Leutzsch M, Peil S, Guthertz A, Copéret C, Fürstner A. Alkyne
gem
‐Hydrogenation: Formation of Pianostool Ruthenium Carbene Complexes and Analysis of Their Chemical Character. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201904255] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Tobias Biberger
- Max-Planck-Institut für Kohlenforschung 45470 Mülheim/Ruhr Germany
| | - Christopher P. Gordon
- Department of Chemistry and Applied BiosciencesETH Zürich Vladimir-Prelog-Weg 1–5 8093 Zürich Switzerland
| | - Markus Leutzsch
- Max-Planck-Institut für Kohlenforschung 45470 Mülheim/Ruhr Germany
| | - Sebastian Peil
- Max-Planck-Institut für Kohlenforschung 45470 Mülheim/Ruhr Germany
| | | | - Christophe Copéret
- Department of Chemistry and Applied BiosciencesETH Zürich Vladimir-Prelog-Weg 1–5 8093 Zürich Switzerland
| | - Alois Fürstner
- Max-Planck-Institut für Kohlenforschung 45470 Mülheim/Ruhr Germany
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24
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Tskhovrebov AG, Lingnau JB, Fürstner A. Gold Difluorocarbenoid Complexes: Spectroscopic and Chemical Profiling. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201903957] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
| | - Julia B. Lingnau
- Max-Planck-Institut für Kohlenforschung 45470 Mülheim/Ruhr Germany
| | - Alois Fürstner
- Max-Planck-Institut für Kohlenforschung 45470 Mülheim/Ruhr Germany
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25
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Tskhovrebov AG, Lingnau JB, Fürstner A. Gold Difluorocarbenoid Complexes: Spectroscopic and Chemical Profiling. Angew Chem Int Ed Engl 2019; 58:8834-8838. [PMID: 30998295 DOI: 10.1002/anie.201903957] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Indexed: 01/03/2023]
Abstract
Gold carbenes of the general type [LAu=CR2 ]+ are sufficiently long-lived for spectroscopic inspection only if the substituents compensate for the largely missing stabilization of the carbene center by the [LAu]+ fragment. π-Donation by two fluorine substituents (R=F) is insufficient; rather, difluorocarbene complexes are so deprived in electron density that they sequester even "weakly coordinating" anions such as triflate or triflimide. This particular bonding situation translates into unmistakable carbenium ion chemistry upon reaction with stilbene as a model substrate.
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Affiliation(s)
| | - Julia B Lingnau
- Max-Planck-Institut für Kohlenforschung, 45470, Mülheim/Ruhr, Germany
| | - Alois Fürstner
- Max-Planck-Institut für Kohlenforschung, 45470, Mülheim/Ruhr, Germany
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26
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Collins LR, Auris S, Goddard R, Fürstner A. Chiral Heterobimetallic Bismuth-Rhodium Paddlewheel Catalysts: A Conceptually New Approach to Asymmetric Cyclopropanation. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201900265] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Lee R. Collins
- Max-Planck-Institut für Kohlenforschung; 45470 Mülheim/Ruhr Germany
| | - Sebastian Auris
- Max-Planck-Institut für Kohlenforschung; 45470 Mülheim/Ruhr Germany
| | - Richard Goddard
- Max-Planck-Institut für Kohlenforschung; 45470 Mülheim/Ruhr Germany
| | - Alois Fürstner
- Max-Planck-Institut für Kohlenforschung; 45470 Mülheim/Ruhr Germany
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27
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Collins LR, Auris S, Goddard R, Fürstner A. Chiral Heterobimetallic Bismuth-Rhodium Paddlewheel Catalysts: A Conceptually New Approach to Asymmetric Cyclopropanation. Angew Chem Int Ed Engl 2019; 58:3557-3561. [DOI: 10.1002/anie.201900265] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Indexed: 12/21/2022]
Affiliation(s)
- Lee R. Collins
- Max-Planck-Institut für Kohlenforschung; 45470 Mülheim/Ruhr Germany
| | - Sebastian Auris
- Max-Planck-Institut für Kohlenforschung; 45470 Mülheim/Ruhr Germany
| | - Richard Goddard
- Max-Planck-Institut für Kohlenforschung; 45470 Mülheim/Ruhr Germany
| | - Alois Fürstner
- Max-Planck-Institut für Kohlenforschung; 45470 Mülheim/Ruhr Germany
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28
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Collins LR, van Gastel M, Neese F, Fürstner A. Enhanced Electrophilicity of Heterobimetallic Bi–Rh Paddlewheel Carbene Complexes: A Combined Experimental, Spectroscopic, and Computational Study. J Am Chem Soc 2018; 140:13042-13055. [DOI: 10.1021/jacs.8b08384] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Lee R. Collins
- Max-Planck-Institut für Kohlenforschung, Mülheim/Ruhr 45470, Germany
| | | | - Frank Neese
- Max-Planck-Institut für Kohlenforschung, Mülheim/Ruhr 45470, Germany
| | - Alois Fürstner
- Max-Planck-Institut für Kohlenforschung, Mülheim/Ruhr 45470, Germany
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