1
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Kumar R, Dohi T, Zhdankin VV. Organohypervalent heterocycles. Chem Soc Rev 2024; 53:4786-4827. [PMID: 38545658 DOI: 10.1039/d2cs01055k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
This review summarizes the structural and synthetic aspects of heterocyclic molecules incorporating an atom of a hypervalent main-group element. The term "hypervalent" has been suggested for derivatives of main-group elements with more than eight valence electrons, and the concept of hypervalency is commonly used despite some criticism from theoretical chemists. The significantly higher thermal stability of hypervalent heterocycles compared to their acyclic analogs adds special features to their chemistry, particularly for bromine and iodine. Heterocyclic compounds of elements with double bonds are not categorized as hypervalent molecules owing to the zwitterionic nature of these bonds, resulting in the conventional 8-electron species. This review is focused on hypervalent heterocyclic derivatives of nonmetal main-group elements, such as boron, silicon, nitrogen, carbon, phosphorus, sulfur, selenium, bromine, chlorine, iodine(III) and iodine(V).
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Affiliation(s)
- Ravi Kumar
- Department of Chemistry, J C Bose University of Science and Technology, YMCA, NH-2, Sector-6, Mathura Road, Faridabad, 121006, Haryana, India.
| | - Toshifumi Dohi
- Graduate School of Pharmaceutical Sciences, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga, 525-8577, Japan.
| | - Viktor V Zhdankin
- Department of Chemistry and Biochemistry, 1038 University Drive, 126 HCAMS University of Minnesota Duluth, Duluth, Minnesota 55812, USA.
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2
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Hannah TJ, Chitnis SS. Ligand-enforced geometric constraints and associated reactivity in p-block compounds. Chem Soc Rev 2024; 53:764-792. [PMID: 38099873 DOI: 10.1039/d3cs00765k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2024]
Abstract
The geometry at an element centre can generally be predicted based on the number of electron pairs around it using valence shell electron pair repulsion (VSEPR) theory. Strategies to distort p-block compounds away from these predicted geometries have gained considerable interest due to the unique structural outcomes, spectroscopic properties or reactivity patterns engendered by such distortion. This review presents an up-to-date group-wise summary of this exciting and rapidly growing field with a focus on understanding how the ligand employed unlocks structural features, which in turn influences the associated reactivity. Relevant geometrically constrained compounds from groups 13-16 are discussed, along with selected stoichiometric and catalytic reactions. Several areas for advancement in this field are also discussed. Collectively, this review advances the notion of geometric tuning as an important lever, alongside electronic and steric tuning, in controlling bonding and reactivity at p-block centres.
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Affiliation(s)
- Tyler J Hannah
- Department of Chemistry, Dalhousie University, 6274 Coburg Road, Halifax, NS, B3H 4R2, Canada.
| | - Saurabh S Chitnis
- Department of Chemistry, Dalhousie University, 6274 Coburg Road, Halifax, NS, B3H 4R2, Canada.
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3
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Beims N, Greven T, Schmidtmann M, van der Vlugt JI. Geometrically Deformed and Conformationally Rigid Phosphorus Trisamides Featuring an Unsymmetrical Backbone. Chemistry 2023; 29:e202302463. [PMID: 37873907 DOI: 10.1002/chem.202302463] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 09/13/2023] [Indexed: 10/25/2023]
Abstract
Nonclassical P(III) centers have attracted much attention in recent years. Incorporating a P(III) center in a rigid bicyclic platform offers a particularly attractive way to invoke significant geometric distortion of the phosphorus atom that may in turn induce unusual reactivity. Although still relatively scarcely explored, phosphorus centers enforced in a non-C3 symmetry have gained significant traction lately. However, the current scaffolds are based on a relatively limited set of design principles and ligand platforms associated therewith. This work is focussed on the synthesis as well as versatile oxidation, addition and coordination chemistry of a geometrically distorted P(III) species featuring a synthetically modular, nonsymmetric trisamine platform derived from 2-(methylamino)-N-(2-(methylamino)phenyl)benzenesulfonamide.
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Affiliation(s)
- Niklas Beims
- Bioinspired Coordination Chemistry and Homogeneous Catalysis Group, Institute of Chemistry, School of Mathematics and Sciences, Carl von Ossietzky University Oldenburg, Carl-von-Ossietzky-Straße 9-11, 26129, Oldenburg, Germany
| | - Tobias Greven
- Bioinspired Coordination Chemistry and Homogeneous Catalysis Group, Institute of Chemistry, School of Mathematics and Sciences, Carl von Ossietzky University Oldenburg, Carl-von-Ossietzky-Straße 9-11, 26129, Oldenburg, Germany
| | - Marc Schmidtmann
- Bioinspired Coordination Chemistry and Homogeneous Catalysis Group, Institute of Chemistry, School of Mathematics and Sciences, Carl von Ossietzky University Oldenburg, Carl-von-Ossietzky-Straße 9-11, 26129, Oldenburg, Germany
| | - Jarl Ivar van der Vlugt
- Bioinspired Coordination Chemistry and Homogeneous Catalysis Group, Institute of Chemistry, School of Mathematics and Sciences, Carl von Ossietzky University Oldenburg, Carl-von-Ossietzky-Straße 9-11, 26129, Oldenburg, Germany
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4
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King AJ, Abbenseth J, Goicoechea JM. Reactivity of a Strictly T-Shaped Phosphine Ligated by an Acridane Derived NNN Pincer Ligand. Chemistry 2023; 29:e202300818. [PMID: 37042718 PMCID: PMC10947599 DOI: 10.1002/chem.202300818] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 04/10/2023] [Accepted: 04/12/2023] [Indexed: 04/13/2023]
Abstract
The steric tuning of a tridentate acridane-derived NNN pincer ligand allows for the isolation of a strictly T-shaped phosphine that exhibits ambiphilic reactivity. Well-defined phosphorus-centered reactivity towards nucleophiles and electrophiles is reported, contrasting with prior reports on this class of compounds. Reactions towards oxidants are also described. The latter result in the two-electron oxidation of the phosphorus atom from +III to +V and are accompanied by a strong geometric distortion of the NNN pincer ligand. By contrast, cooperative activation of E-H (HCl, HBcat, HOMe) bonds proceeds with retention of the phosphorus redox state. When using H2 O as a substrate, the reaction results in the full disassembly of H2 O to its constituent atoms, highlighting the potential of this platform for small molecule activation reactions.
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Affiliation(s)
- Aaron J. King
- Department of ChemistryUniversity of OxfordChemistry Research Laboratory12 Mansfield RoadOxfordOX1 3TAUK
| | - Josh Abbenseth
- Department of ChemistryUniversity of OxfordChemistry Research Laboratory12 Mansfield RoadOxfordOX1 3TAUK
- Institut für ChemieHumboldt-Universität zu BerlinBrook-Taylor-Straße 212489BerlinGermany
| | - Jose M. Goicoechea
- Department of ChemistryIndiana University800 E. Kirkland Ave.Bloomington, In47401USA
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5
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Liu X, Dai Y, Bao M, Wang W, Li Q, Liu C, Wang X, Su Y. A crystalline T-shaped planar group 14 anion. Chem Sci 2023; 14:5722-5727. [PMID: 37265721 PMCID: PMC10231432 DOI: 10.1039/d2sc07006e] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 04/11/2023] [Indexed: 06/03/2023] Open
Abstract
Isolable T-shaped planar pnictogen compounds R3Pn were reported more than three decades ago and have been attracting burgeoning interest in recent years; T-shaped planar group 14 anions, isoelectronic to R3Pn, however, are still unknown. Herein, we report the synthesis, full characterization, and reactivity of the first crystalline T-shaped planar group 14 anion 4 bearing a trinitrogen pincer ligand. DFT calculations indicate that the tricoordinate germanium center features both an unoccupied 4p orbital and two lone pairs of electrons. Its electron-rich nature allows for the nucleophilic attack on the methyl iodine giving methyl-substituted complex 5 and facile oxidation of the germanium center by elemental sulfur and selenium to furnish unpresented organic anions bearing terminal Ge[double bond, length as m-dash]Ch (Ch = S or Se) double bonds.
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Affiliation(s)
- Xiaona Liu
- College of Chemistry, Chemical Engineering and Materials Science, School of Radiation Medicine and Protection, Soochow University Suzhou 215123 China
| | - Yuyang Dai
- College of Chemistry, Chemical Engineering and Materials Science, School of Radiation Medicine and Protection, Soochow University Suzhou 215123 China
| | - Manling Bao
- College of Chemistry, Chemical Engineering and Materials Science, School of Radiation Medicine and Protection, Soochow University Suzhou 215123 China
| | - Wenjuan Wang
- College of Chemistry, Chemical Engineering and Materials Science, School of Radiation Medicine and Protection, Soochow University Suzhou 215123 China
| | - Qianli Li
- School of Chemistry and Chemical Engineering, Liaocheng University Liaocheng 252059 China
| | - Chunmeng Liu
- College of Chemistry, Chemical Engineering and Materials Science, School of Radiation Medicine and Protection, Soochow University Suzhou 215123 China
| | - Xinping Wang
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University Nanjing 210023 China
| | - Yuanting Su
- College of Chemistry, Chemical Engineering and Materials Science, School of Radiation Medicine and Protection, Soochow University Suzhou 215123 China
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University Nanjing 210023 China
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6
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Wang P, Zhu Q, Wang Y, Zeng G, Zhu J, Zhu C. Carbon-halogen bond activation by a structurally constrained phosphorus(III) platform. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2020.11.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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7
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Zhu Q, Wang P, Zhu J, Zhu C, Zeng G. Chemoselectivity for B-O and B-H Bond Cleavage by Pincer-Type Phosphorus Compounds: Theoretical and Experimental Studies. Inorg Chem 2020; 59:15636-15645. [PMID: 33078928 DOI: 10.1021/acs.inorgchem.0c01920] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Selective cleavage of the B-O bond or B-H bond in HBpin can be achieved by adjusting the pincer ligand of a phosphorus(III) compound guided by a combination of theoretical prediction and experimental verification. Theoretical calculations reveal that a pincer-type phosphorus compound with an [ONO]3- ligand reacts with HBpin, leading to cleavage of the stronger B-O bonds (ΔG°⧧ = 23.2 kcal mol-1) rather than the weaker B-H bond (ΔG°⧧ = 26.4 kcal mol-1). A pincer-type phosphorus compound with a [NNN]3- ligand reacts with HBpin, leading to the weaker B-H bond cleavage (ΔG°⧧ = 16.2 kcal mol-1) rather than cleavage of the stronger B-O bond (ΔG°⧧ = 33.0 kcal mol-1). The theoretical prediction for B-O bond cleavage was verified experimentally, and the final products were characterized by NMR, HRMS, and single-crystal X-ray diffraction. The chemoselectivity of B-O bond cleavage was also observed in the presence of B-C or B-B bonds in borane substrates.
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Affiliation(s)
- Qin Zhu
- Kuang Yaming Honors School, Institute for Brain Sciences, Nanjing University, Nanjing 210093, People's Republic of China.,State Key Laboratory of Physical Chemistry of Solid Surfaces and Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, People's Republic of China
| | - Penglong Wang
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, People's Republic of China
| | - Jun Zhu
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, People's Republic of China
| | - Congqing Zhu
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, People's Republic of China
| | - Guixiang Zeng
- Kuang Yaming Honors School, Institute for Brain Sciences, Nanjing University, Nanjing 210093, People's Republic of China
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8
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Kundu S. Pincer-Type Ligand-Assisted Catalysis and Small-Molecule Activation by non-VSEPR Main-Group Compounds. Chem Asian J 2020; 15:3209-3224. [PMID: 32794320 DOI: 10.1002/asia.202000800] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 08/11/2020] [Indexed: 12/21/2022]
Abstract
In 2005, a facile dihydrogen activation was reported by the Power group using an alkyne analog of germanium [ArGe≡GeAr; Ar=2,6-Trip2 -C6 H3 (Trip=2,4,6-i Pr3 -C6 H2 )]. After that, a significant progress has been made in the activation of various small molecules by main-group compounds, and a variety of stoichiometric and catalytic processes have been formulated using the p-block elements. In this regard, compounds containing low-valent main-group elements with a frontier orbitals of relatively small energy gaps or compounds forming frustrated Lewis pair (FLP) became quite successful. In spite of these promising stoichiometric and catalytic transformations, redox-cycling catalysts based on main-group elements remain extremely rare. Recently, it has been observed that pincer type ligands supported geometry constrained main-group compounds are capable of acting as redox catalysts similar to those of the transition metals. In this review, we focus on the synthesis and the structural aspects of the geometry constrained main-group compounds using pincer ligands. Emphasis has been placed on their applications on catalytic activity and small molecules activation.
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Affiliation(s)
- Subrata Kundu
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
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9
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Abbenseth J, Goicoechea JM. Recent developments in the chemistry of non-trigonal pnictogen pincer compounds: from bonding to catalysis. Chem Sci 2020; 11:9728-9740. [PMID: 34094237 PMCID: PMC8162179 DOI: 10.1039/d0sc03819a] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 08/18/2020] [Indexed: 01/01/2023] Open
Abstract
The combination of well-established meridionally coordinating, tridentate pincer ligands with group 15 elements affords geometrically constrained non-trigonal pnictogen pincer compounds. These species show remarkable activity in challenging element-hydrogen bond scission reactions, such as the activation of ammonia. The electronic structures of these compounds and the implications they have on their electrochemical properties and transition metal coordination are described. Furthermore, stoichiometric and catalytic bond forming reactions involving B-H, N-H and O-H bonds as well as carbon nucleophiles are presented.
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Affiliation(s)
- Josh Abbenseth
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford Mansfield Road Oxford OX1 3TA UK
| | - Jose M Goicoechea
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford Mansfield Road Oxford OX1 3TA UK
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10
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Yan C, Takeshita M, Nakatsuji JY, Kurosaki A, Sato K, Shang R, Nakamoto M, Yamamoto Y, Adachi Y, Furukawa K, Kishi R, Nakano M. Synthesis and properties of hypervalent electron-rich pentacoordinate nitrogen compounds. Chem Sci 2020; 11:5082-5088. [PMID: 34122965 PMCID: PMC8159240 DOI: 10.1039/d0sc00002g] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Isolation and structural characterization of hypervalent electron-rich pentacoordinate nitrogen species have not been achieved despite continuous attempts for over a century. Herein we report the first synthesis and isolation of air stable hypervalent electron-rich pentacoordinate nitrogen cationic radical (11-N-5) species from oxidation of their corresponding neutral (12-N-5) species. In the cationic radical species, the nitrogen centers adopt a trigonal bipyramidal geometry featuring a 3-center-5-electron hypervalent attractive interaction. The combination of single crystal X-ray diffraction analysis and computational studies revealed weak N-O interactions between the central nitrogen cation and oxygen atoms. This successful design strategy and isolation of air-stable pentacoordinate hypervalent nitrogen species allow further investigations on reactivity and properties resulting from these unusually weakly coordinating interactions in nitrogen compounds.
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Affiliation(s)
- Chenting Yan
- Department of Chemistry, Graduate School of Science, Hiroshima University 1-3-1 Kagamiyama Higashi-Hiroshima 739-8526 Japan
| | - Masato Takeshita
- Department of Chemistry, Graduate School of Science, Hiroshima University 1-3-1 Kagamiyama Higashi-Hiroshima 739-8526 Japan
| | - Jun-Ya Nakatsuji
- Department of Chemistry, Graduate School of Science, Hiroshima University 1-3-1 Kagamiyama Higashi-Hiroshima 739-8526 Japan
| | - Akihiro Kurosaki
- Department of Chemistry, Graduate School of Science, Hiroshima University 1-3-1 Kagamiyama Higashi-Hiroshima 739-8526 Japan
| | - Kaoko Sato
- Department of Chemistry, Graduate School of Science, Hiroshima University 1-3-1 Kagamiyama Higashi-Hiroshima 739-8526 Japan
| | - Rong Shang
- Department of Chemistry, Graduate School of Science, Hiroshima University 1-3-1 Kagamiyama Higashi-Hiroshima 739-8526 Japan
| | - Masaaki Nakamoto
- Department of Chemistry, Graduate School of Science, Hiroshima University 1-3-1 Kagamiyama Higashi-Hiroshima 739-8526 Japan
| | - Yohsuke Yamamoto
- Department of Chemistry, Graduate School of Science, Hiroshima University 1-3-1 Kagamiyama Higashi-Hiroshima 739-8526 Japan
| | - Yohei Adachi
- Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University 1-3-1 Kagamiyama Higashi-Hiroshima 739-8526 Japan
| | - Ko Furukawa
- Center for Coordination Research Facilities, Institute for Research Promotion, Niigata University 8050 Ikarashi 2-no-cho, Nishi-ku Niigata 950-2181 Japan
| | - Ryohei Kishi
- Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University Toyonaka Osaka 560-8531 Japan
| | - Masayoshi Nakano
- Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University Toyonaka Osaka 560-8531 Japan.,Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University Toyonaka Osaka 560-8531 Japan
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11
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Wonner P, Dreger A, Vogel L, Engelage E, Huber SM. Chalcogen Bonding Catalysis of a Nitro-Michael Reaction. Angew Chem Int Ed Engl 2019; 58:16923-16927. [PMID: 31535789 PMCID: PMC6899570 DOI: 10.1002/anie.201910639] [Citation(s) in RCA: 132] [Impact Index Per Article: 26.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Indexed: 11/24/2022]
Abstract
Chalcogen bonding is the non-covalent interaction between Lewis acidic chalcogen substituents and Lewis bases. Herein, we present the first application of dicationic tellurium-based chalcogen bond donors in the nitro-Michael reaction between trans-β-nitrostyrene and indoles. This also constitutes the first activation of nitro derivatives by chalcogen bonding (and halogen bonding). The catalysts showed rate accelerations of more than a factor of 300 compared to strongly Lewis acidic hydrogen bond donors. Several comparison experiments, titrations, and DFT calculations support a chalcogen-bonding-based mode of activation of β-nitrostyrene.
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Affiliation(s)
- Patrick Wonner
- Fakultät für Chemie und BiochemieRuhr-Universität BochumUniversitätsstraße 15044801BochumGermany
| | - Alexander Dreger
- Fakultät für Chemie und BiochemieRuhr-Universität BochumUniversitätsstraße 15044801BochumGermany
| | - Lukas Vogel
- Fakultät für Chemie und BiochemieRuhr-Universität BochumUniversitätsstraße 15044801BochumGermany
| | - Elric Engelage
- Fakultät für Chemie und BiochemieRuhr-Universität BochumUniversitätsstraße 15044801BochumGermany
| | - Stefan M. Huber
- Fakultät für Chemie und BiochemieRuhr-Universität BochumUniversitätsstraße 15044801BochumGermany
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12
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Chu X, Yang Y, Lu B, Wu Z, Qian W, Song C, Xu X, Abe M, Zeng X. Methoxyphosphinidene and Isomeric Methylphosphinidene Oxide. J Am Chem Soc 2018; 140:13604-13608. [PMID: 30301345 DOI: 10.1021/jacs.8b09201] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A rare oxyphosphinidene (Me-OP) has been generated in the triplet ground state through either photolysis (266 nm) or flash-vacuum pyrolysis (FVP, 700 °C) of methoxydiazidophosphine MeOP(N3)2. Upon ArF laser irradiation (193 nm), an unprecedented isomerization from Me-OP to the long-sought methylphosphinidene oxide (Me-PO) occurs in cryogenic Ne- and N2-matrices. Alternatively, the latter can be efficiently generated through photolysis (193 nm) or FVP (ca. 700 °C) of methylphosphoryl diazide MeP(O)(N3)2, in which the elusive nitrene intermediate MeP(O)(N3)N in the triplet ground state has been also observed by IR (with 15N-labeling) and EPR (| D/ hc| = 1.545 cm-1 and | E/ hc| = 0.003 95 cm-1) spectroscopy.
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Affiliation(s)
- Xianxu Chu
- College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou 215123 , China
| | - Yang Yang
- College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou 215123 , China
| | - Bo Lu
- College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou 215123 , China
| | - Zhuang Wu
- College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou 215123 , China
| | - Weiyu Qian
- College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou 215123 , China
| | - Chao Song
- College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou 215123 , China
| | - Xinfang Xu
- College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou 215123 , China
| | - Manabu Abe
- Department of Chemistry, Graduate School of Science , Hiroshima University , 1-3-1 Kagamiyama , Higashihiroshima , Hiroshima 739-8526 , Japan
| | - Xiaoqing Zeng
- College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou 215123 , China
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13
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Izaga A, Herrera RP, Gimeno MC. Gold(I)-Mediated Thiourea Organocatalyst Activation: A Synergic Effect for Asymmetric Catalysis. ChemCatChem 2017; 9:1313-1321. [PMID: 28706568 PMCID: PMC5485003 DOI: 10.1002/cctc.201601527] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Revised: 01/12/2017] [Indexed: 11/06/2022]
Abstract
Several group 11 metal complexes with chiral thiourea organocatalysts have been prepared and tested as organocatalysts. The promising results on the influence of metal-assisted thiourea organocatalysts in the asymmetric Friedel-Crafts alkylation of indole with nitrostyrene are described. Better results with the metal complexes have been achieved because of the cooperative effects between the chiral thiourea and the metal. The synergic effect between both species is higher than the effect promoted by each one separately, especially for gold(I). These outcomes are attributed to a pioneering gold(I) activation of the thiourea catalysts, affording a more acidic and rigid catalytic complex than that provided by the thiourea alone. Furthermore, the use of the gold-thiourea organocatalyst allows reducing the catalyst loading to 1-3 mol %. This contribution could become an important starting point for further investigations opening a new line of research overlooked so far in the literature.
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Affiliation(s)
- Anabel Izaga
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH)CSIC-Universidad de ZaragozaC/ Pedro Cerbuna, No. 12E-50009ZaragozaSpain
| | - Raquel P. Herrera
- Departamento de Química Orgánica. Laboratorio de Organocatálisis, Asimétrica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH)CSIC-Universidad de ZaragozaC/ Pedro Cerbuna, No. 12E-50009ZaragozaSpain
| | - M. Concepción Gimeno
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH)CSIC-Universidad de ZaragozaC/ Pedro Cerbuna, No. 12E-50009ZaragozaSpain
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14
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Pandey KK, Vishwakarma R. The nature of M-PNR2 bonds in the electrophilic phosphinidene complexes [(L)(CO)3M{PNR2}]+ (L = PMe3, PPh3; M = Co, Rh, Ir; R = Me, iPr): Structure, bonding and 31P NMR study. J Organomet Chem 2016. [DOI: 10.1016/j.jorganchem.2016.04.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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15
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Zeng G, Maeda S, Taketsugu T, Sakaki S. Theoretical Study of Hydrogenation Catalysis of Phosphorus Compound and Prediction of Catalyst with High Activity and Wide Application Scope. ACS Catal 2016. [DOI: 10.1021/acscatal.5b02968] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Guixiang Zeng
- Department
of Chemistry, Faculty of Science, Hokkaido University, N10−W8, Kita-ku, Sapporo 060-0810, Japan
- Fukui
Institute for Fundamental Chemistry, Kyoto University, Takano-Nishihiraki-cho
34-4, Sakyo-ku, Kyoto 606-8103, Japan
| | - Satoshi Maeda
- Department
of Chemistry, Faculty of Science, Hokkaido University, N10−W8, Kita-ku, Sapporo 060-0810, Japan
| | - Tetsuya Taketsugu
- Department
of Chemistry, Faculty of Science, Hokkaido University, N10−W8, Kita-ku, Sapporo 060-0810, Japan
| | - Shigeyoshi Sakaki
- Fukui
Institute for Fundamental Chemistry, Kyoto University, Takano-Nishihiraki-cho
34-4, Sakyo-ku, Kyoto 606-8103, Japan
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16
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Pal A, Vanka K. Small Molecule Activation by Constrained Phosphorus Compounds: Insights from Theory. Inorg Chem 2015; 55:558-65. [PMID: 26700074 DOI: 10.1021/acs.inorgchem.5b01074] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Amrita Pal
- Physical Chemistry Division, National Chemical Laboratory, Dr. Homi Bhabha Road, Pashan, Pune, Maharashtra 411008, India
| | - Kumar Vanka
- Physical Chemistry Division, National Chemical Laboratory, Dr. Homi Bhabha Road, Pashan, Pune, Maharashtra 411008, India
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17
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McCarthy SM, Lin YC, Devarajan D, Chang JW, Yennawar HP, Rioux RM, Ess DH, Radosevich AT. Intermolecular N–H Oxidative Addition of Ammonia, Alkylamines, and Arylamines to a Planar σ3-Phosphorus Compound via an Entropy-Controlled Electrophilic Mechanism. J Am Chem Soc 2014; 136:4640-50. [DOI: 10.1021/ja412469e] [Citation(s) in RCA: 113] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Sean M. McCarthy
- Department
of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - Yi-Chun Lin
- Department
of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - Deepa Devarajan
- Department
of Chemistry and Biochemistry, Brigham Young University, Provo, Utah 84602, United States
| | - Ji Woong Chang
- Department
of Chemical Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - Hemant P. Yennawar
- Department
of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - Robert M. Rioux
- Department
of Chemical Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - Daniel H. Ess
- Department
of Chemistry and Biochemistry, Brigham Young University, Provo, Utah 84602, United States
| | - Alexander T. Radosevich
- Department
of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
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18
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Accurate theoretical description of the M–PNR2 bonds in phosphinidene complexes of manganese and rhenium [(CO)5M–PNR2]+ (R = Me, iPr, tBu) and [(PMe3)(CO)4M–PNiPr2]+: A DFT-D3 study. J Organomet Chem 2014. [DOI: 10.1016/j.jorganchem.2013.07.029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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19
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Xu J, Ding YH. Computational design of intermolecularly stabilized cyclic compounds with low-valent phosphorus. Struct Chem 2013. [DOI: 10.1007/s11224-013-0385-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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20
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Pandey KK, Tiwari P, Patidar P. Bonding analysis of the neutral electrophilic phosphinidene complexes of vanadium and niobium [(η5-C5H5)(CO)3M(PNR2)] (R = Me, iPr, tBu): A DFT study. J Organomet Chem 2013. [DOI: 10.1016/j.jorganchem.2013.05.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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21
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Pandey KK, Tiwari P, Patidar P. Structure and Bonding Analysis of the Cationic Electrophilic Phosphinidene Complexes of Iron, Ruthenium, and Osmium [(η5-C5Me5)(CO)2M{PNiPr2}]+, [(η5-C5H5)(CO)2M{PNR2}]+ (R = Me, iPr), and [(η5-C5H5)(PMe3)2M{PNMe2}]+ (M = Fe, Ru, Os). J Phys Chem A 2012; 116:11753-62. [PMID: 23126267 DOI: 10.1021/jp309092t] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Krishna K. Pandey
- School of Chemical Sciences, Devi Ahilya University Indore, Khandwa Road Campus,
Indore 452 001, India
| | - Pradeep Tiwari
- School of Chemical Sciences, Devi Ahilya University Indore, Khandwa Road Campus,
Indore 452 001, India
| | - Pankaj Patidar
- School of Chemical Sciences, Devi Ahilya University Indore, Khandwa Road Campus,
Indore 452 001, India
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22
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Dunn NL, Ha M, Radosevich AT. Main Group Redox Catalysis: Reversible PIII/PV Redox Cycling at a Phosphorus Platform. J Am Chem Soc 2012; 134:11330-3. [DOI: 10.1021/ja302963p] [Citation(s) in RCA: 205] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Nicole L. Dunn
- Department of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802,
United States
| | - Minji Ha
- Department of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802,
United States
| | - Alexander T. Radosevich
- Department of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802,
United States
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23
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Herbert DE, Miller AD, Ozerov OV. Phosphorus(III) cations supported by a PNP pincer ligand and sub-stoichiometric generation of P4 from thermolysis of a nickel insertion product. Chemistry 2012; 18:7696-704. [PMID: 22628166 DOI: 10.1002/chem.201103981] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2011] [Indexed: 11/05/2022]
Abstract
Neutral, mono-, and dicationic phosphorus(III) compounds are accessible with a supporting PNP pincer ligand (PNP = [4-Me-2-iPr(2)P-C(6)H(3))(2)N]). Reaction of (PNP)H with PCl(3) and nBu(3)N furnished (PNP)PCl(2) (1), which displays a highly temperature-dependent structure in solution. Synthesis and characterization by NMR spectroscopy and X-ray crystallography of Cl/Br-scrambled derivatives, a monocationic derivative [(PNP)PCl][HCB(11)H(11)] (4), and the dicationic derivatives [(PNP)P][OTf](2) (5), [(PNP)P][B(C(6)F(5))(4)](2) (6), [(PNP)P][B(12)Cl(12)] (7) established that 1 not only undergoes several fluxional processes in solution but also possesses a temperature-dependent ground state structure. Reaction of 1 with a Ni(0) source initially leads to a phosphine-phosphinidene complex, followed by thermal generation of P(4).
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Affiliation(s)
- David E Herbert
- Department of Chemistry, Texas A&M University, College Station, TX 77842, USA
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24
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Pandey KK, Lledós A. Linear versus bent bonding in metal-phosphinidene complexes: Theoretical studies of the electrophilic phosphinidene complexes [(Cp)(CO)2MPMe)]+, [(Cp)(CO)3MPMe)]+ (M = Cr, Mo, W). J Organomet Chem 2010. [DOI: 10.1016/j.jorganchem.2009.10.009] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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25
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Presly OC, Davin TJ, Green M, Kilby RJ, Mansell SM, McGrady JE, Russell CA. A Proton‐Triggered Cascade Reaction Involving a Heavy p‐Block Multiple Bond: Transformation of the Diphosphene C
5
Me
5
P=PC
5
Me
5
into the Cationic Cage [C
10
Me
10
P
2
H]
+. Eur J Inorg Chem 2008. [DOI: 10.1002/ejic.200800766] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Oliver C. Presly
- School of Chemistry, University of Bristol, Cantock's Close, Bristol, BS8 1TS, UK, Fax: +44‐117‐929‐0509
| | - Thomas J. Davin
- WestCHEM, University of Glasgow, Joseph Black Building, Glasgow, G12 8QQ, UK
| | - Michael Green
- School of Chemistry, University of Bristol, Cantock's Close, Bristol, BS8 1TS, UK, Fax: +44‐117‐929‐0509
| | - Richard J. Kilby
- School of Chemistry, University of Bristol, Cantock's Close, Bristol, BS8 1TS, UK, Fax: +44‐117‐929‐0509
| | - Stephen M. Mansell
- School of Chemistry, University of Bristol, Cantock's Close, Bristol, BS8 1TS, UK, Fax: +44‐117‐929‐0509
| | - John E. McGrady
- WestCHEM, University of Glasgow, Joseph Black Building, Glasgow, G12 8QQ, UK
| | - Christopher A. Russell
- School of Chemistry, University of Bristol, Cantock's Close, Bristol, BS8 1TS, UK, Fax: +44‐117‐929‐0509
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26
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Ellis BD, Macdonald CL. Stable compounds containing heavier group 15 elements in the +1 oxidation state. Coord Chem Rev 2007. [DOI: 10.1016/j.ccr.2006.07.007] [Citation(s) in RCA: 114] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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27
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Sterenberg BT, Senturk OS, Udachin KA, Carty AJ. Reactivity of Terminal, Electrophilic Phosphinidene Complexes of Molybdenum and Tungsten. Nucleophilic Addition at Phosphorus and P−P Bond Forming Reactions with Phosphines and Diphosphines. Organometallics 2007. [DOI: 10.1021/om060685x] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Brian T. Sterenberg
- Steacie Institute for Molecular Sciences, National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario, Canada K1A 0R6, and Department of Chemistry and Biochemistry, University of Regina, 3737 Wascana Parkway, Regina, Saskatchewan, Canada S4S 0A2
| | - Ozan Sanli Senturk
- Steacie Institute for Molecular Sciences, National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario, Canada K1A 0R6, and Department of Chemistry and Biochemistry, University of Regina, 3737 Wascana Parkway, Regina, Saskatchewan, Canada S4S 0A2
| | - Konstantin A. Udachin
- Steacie Institute for Molecular Sciences, National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario, Canada K1A 0R6, and Department of Chemistry and Biochemistry, University of Regina, 3737 Wascana Parkway, Regina, Saskatchewan, Canada S4S 0A2
| | - Arthur J. Carty
- Steacie Institute for Molecular Sciences, National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario, Canada K1A 0R6, and Department of Chemistry and Biochemistry, University of Regina, 3737 Wascana Parkway, Regina, Saskatchewan, Canada S4S 0A2
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28
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Danger G, Boiteau L, Cottet H, Pascal R. The Peptide Formation Mediated by Cyanate Revisited.N-Carboxyanhydrides as Accessible Intermediates in the Decomposition ofN-Carbamoylamino Acids. J Am Chem Soc 2006; 128:7412-3. [PMID: 16756274 DOI: 10.1021/ja061339+] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Similar to many ureas, N-carbamoylamino acids were shown to be hydrolyzed in aqueous solution through elimination mechanisms at close to neutral pH, the nucleophilic attack of water being a minor process. Two competing elimination mechanisms can take place involving either cyanate or isocyanate transient intermediates. Peptide formation was observed and attributed to the latter pathway through the intermediacy of amino acid N-carboxyanhydride (NCA). Eventually, cyanate and its precursors (including urea) unexpectedly behave as amino acid activating agents because of their ability in amino acid carbamoylation. Owing to its ability to generate a background prebiotic production of NCAs on the primitive Earth, this reaction is suggested to have contributed to the origin of life process.
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Affiliation(s)
- Grégoire Danger
- Dynamique des Systèmes Biomoléculaires Complexes, UMR 5073, Université Montpellier 2, CNRS, CC 017, 34095 Montpellier Cedex 5, France
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29
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Chemistry of phosphorus-carbon double bonds in the coordination sphere of transition metals. PURE APPL CHEM 1991. [DOI: 10.1351/pac199163060855] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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