1
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Nayak KH, Jijin RK, Sreelekha MK, Babu BP. Copper-catalyzed aerobic annulation of hydrazones with dienones: an efficient route to pyrazole-linked hybrid molecules. Org Biomol Chem 2024; 22:6631-6637. [PMID: 39104204 DOI: 10.1039/d4ob00825a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/07/2024]
Abstract
A copper-catalyzed aerobic [3 + 2] annulation reaction to access various pyrazole-bound chalcones starting from readily available and cost-effective hydrazones and dienones is reported. These pyrazole-bound chalcones were further utilized effectively to prepare a series of pyrazole-linked hybrid molecules, such as pyrazole-pyrazoline, pyrazole-aziridine, and pyrazole-pyridine hybrids by efficient simple transformations. Synthetically challenging hybrid molecules were obtained in a simple, two-step process with high atom economy under aerobic copper catalysis.
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Affiliation(s)
- Kalinga H Nayak
- Department of Chemistry, National Institute of Technology Karnataka, Surathkal, Mangalore, 575025, India.
| | - Robert K Jijin
- Department of Chemistry, National Institute of Technology Karnataka, Surathkal, Mangalore, 575025, India.
| | - Mariswamy K Sreelekha
- Department of Chemistry, National Institute of Technology Karnataka, Surathkal, Mangalore, 575025, India.
| | - Beneesh P Babu
- Department of Chemistry, National Institute of Technology Karnataka, Surathkal, Mangalore, 575025, India.
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2
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Saleh N, Besnard C, Lacour J. Concave P-Stereogenic Phosphorodiamidite Ligands for Enantioselective Rh(I) Catalysis. Org Lett 2024; 26:2202-2206. [PMID: 38471122 DOI: 10.1021/acs.orglett.4c00371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2024]
Abstract
The development of a new class of concave P-stereogenic phosphorodiamidite ligands, derived from Tröger's bases (TBs), is explored. These ligands, characterized by their remarkable stability and unique structural geometry around the P atom, are used in asymmetric Rh(I)-catalyzed additions of boronic acids to NH-isatins resulting in excellent reactivities and reasonable enantioselectivity (er up to 92:8).
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Affiliation(s)
- Nidal Saleh
- Department of Organic Chemistry, University of Geneva, 1211 Geneva 4, Switzerland
| | - Céline Besnard
- Laboratory of Crystallography, University of Geneva, 1211 Geneva 4, Switzerland
| | - Jérôme Lacour
- Department of Organic Chemistry, University of Geneva, 1211 Geneva 4, Switzerland
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3
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Banuprakash Goud S, Lal Dhakar R, Samanta S. Copper(I)-Photocatalyzed Diastereoselective Aziridination of N-Sulfonyl Imines with Vinyl Azides: Application to Benzo[f][1,2,3]oxathiazepines Dioxides and Fused Isoxazolines. Chem Asian J 2024; 19:e202300904. [PMID: 38018300 DOI: 10.1002/asia.202300904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 11/27/2023] [Accepted: 11/27/2023] [Indexed: 11/30/2023]
Abstract
An in situ generated photoactive copper(I)-complex-catalyzed aziridination reaction of cyclic N-sulfonyl imines with α-aryl-substituted vinyl azides irradiated by blue-LEDs light is reported for the first time. This novel SET process represents a mild, sustainable, and pragmatic method for accessing synthetically resourceful sulfamidate-fused aziridines in acceptable chemical yields with excellent diastereoselectivities. Delightedly, pharmacologically attractive benzo[f][1,2,3]oxathiazepine dioxides and fused isoxazoline frameworks were achieved through our newly developed metal-free based ring-expansion techniques, highlighting the synthetic value of accessed aziridines. Finally, the possible mechanism for [2+1] aza-cyclization was presented based on the conduction of a series of control experiments.
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Affiliation(s)
- S Banuprakash Goud
- Department of Chemistry, Indian Institute of Technology Indore, Simrol, 453552, Madhya Pradesh, India
| | - Raju Lal Dhakar
- Department of Chemistry, Indian Institute of Technology Indore, Simrol, 453552, Madhya Pradesh, India
| | - Sampak Samanta
- Department of Chemistry, Indian Institute of Technology Indore, Simrol, 453552, Madhya Pradesh, India
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4
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Tang Z, Xu S, Yin N, Yang Y, Deng Q, Shen J, Zhang X, Wang T, He H, Lin X, Zhou Y, Zou Z. Reaction Site Designation by Intramolecular Electric Field in Tröger's-Base-Derived Conjugated Microporous Polymer for Near-Unity Selectivity of CO 2 Photoconversion. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2210693. [PMID: 36760097 DOI: 10.1002/adma.202210693] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 01/22/2023] [Indexed: 05/17/2023]
Abstract
To facilitate solar-driven overall CO2 and H2 O convsersion into fuels and O2 , a series of covalent microporous polymers derived from Tröger's base are synthesized featuring flexural backbone and unusual charge-transfer properties. The incorporation of rigid structural twist Tröger's base unit grants the polymers enhanced microporosity and CO2 adsorption/activation capacity. Density function theory calculations and photo-electrochemical analyses reveal that an electric dipole moment (from negative to positive) directed to the Tröger's base unit is formed across two obliquely opposed molecular fragments and induces an intramolecular electric field. The Tröger's base unit located at folding point becomes an electron trap to attract photogenerated electrons in the molecular network, which brings about suppression of carrier recombination and designates the reaction site in synergy with the conjugated network. In response to the discrepancy in reaction pathways across the reaction sites, the product allocation in the catalytic reaction is thereby regulated. Optimally, CMP-nTB achieves the highest photocatalytic CO production of 163.53 µmol g-1 h-1 with approximately unity selectivity, along with H2 O oxidation to O2 in the absence of any photosensitizer or co-catalyst. This work provides new insight for developing specialized artificial organic photocatalysts.
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Affiliation(s)
- Zheng Tang
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P. R. China
| | - Shengyu Xu
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P. R. China
| | - Nan Yin
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P. R. China
| | - Yong Yang
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P. R. China
| | - Qinghua Deng
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P. R. China
| | - Jinyou Shen
- Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P. R. China
| | - Xiaoyue Zhang
- Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P. R. China
| | - Tianyu Wang
- Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P. R. China
| | - Huichao He
- Institute of Environmental Energy Materials and Intelligent Devices, School of Metallurgy and Materials Engineering, Chongqing University of Science and Technology, Chongqing, 401331, P. R. China
| | - Xiangyang Lin
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P. R. China
| | - Yong Zhou
- Eco-Materials and Renewable Energy Research Center (ERERC), School of Physics, Nanjing University, Nanjing, 210093, P. R. China
- School of Chemical and Environmental Engnieering, Anhui Polytechnic University, Wuhu, 241002, P. R. China
| | - Zhigang Zou
- Eco-Materials and Renewable Energy Research Center (ERERC), School of Physics, Nanjing University, Nanjing, 210093, P. R. China
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5
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Ma C, Sun Y, Yang J, Guo H, Zhang J. Catalytic Asymmetric Synthesis of Tröger's Base Analogues with Nitrogen Stereocenter. ACS CENTRAL SCIENCE 2023; 9:64-71. [PMID: 36712492 PMCID: PMC9881208 DOI: 10.1021/acscentsci.2c01121] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Indexed: 06/18/2023]
Abstract
Nitrogen stereocenters are common chiral units in natural products, pharmaceuticals, and chiral catalysts. However, their research has lagged largely behind, compared with carbon stereocenters and other heteroatom stereocenters. Herein, we report an efficient method for the catalytic asymmetric synthesis of Tröger's base analogues with nitrogen stereocenters via palladium catalysis and home-developed GF-Phos. It allows rapid construction of a new rigid cleft-like structure with both a C- and a N-stereogenic center in high efficiency and selectivity. A variety of applications as a chiral organocatalyst and metallic catalyst precursors were demonstrated. Furthermore, DFT calculations suggest that the NH···O hydrogen bonding and weak interaction between the substrate and ligand are crucial for the excellent enantioselectivity control.
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Affiliation(s)
- Chun Ma
- Department
of Chemistry, Fudan University, 2005 Songhu Road, Shanghai, 200438, P. R. China
| | - Yue Sun
- Department
of Chemistry, Fudan University, 2005 Songhu Road, Shanghai, 200438, P. R. China
| | - Junfeng Yang
- Department
of Chemistry, Fudan University, 2005 Songhu Road, Shanghai, 200438, P. R. China
- Fudan
Zhangjiang Institute, Shanghai 201203, P. R. China
| | - Hao Guo
- Department
of Chemistry, Fudan University, 2005 Songhu Road, Shanghai, 200438, P. R. China
- Zhuhai
Fudan Innovation Institute, Zhuhai, 519000, P. R. China
| | - Junliang Zhang
- Department
of Chemistry, Fudan University, 2005 Songhu Road, Shanghai, 200438, P. R. China
- School
of Chemistry and Chemical Engineering, Henan
Normal University, Xinxiang, Henan 453007, P. R. China
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6
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Chandra D, Kumar P, Yadav AK, Kumar G, Jat JL. A Synthetic Overview of Enones Aziridination. ChemistrySelect 2022. [DOI: 10.1002/slct.202200267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Dinesh Chandra
- Department of Chemistry School of Physical and Decision Science Babasaheb Bhimrao Ambedkar University (A Central University) Lucknow India
| | - Puneet Kumar
- Department of Chemistry School of Physical and Decision Science Babasaheb Bhimrao Ambedkar University (A Central University) Lucknow India
| | - Ajay K. Yadav
- Department of Chemistry School of Physical and Decision Science Babasaheb Bhimrao Ambedkar University (A Central University) Lucknow India
| | - Ganesh Kumar
- Illinois Central College Peoria, Illinois 61635 USA
| | - Jawahar L. Jat
- Department of Chemistry School of Physical and Decision Science Babasaheb Bhimrao Ambedkar University (A Central University) Lucknow India
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7
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Ding P, Han L, Bai J, Liu J, Luan X. Fine-tuning hydroxylamines as single-nitrogen sources for Pd(0)-catalyzed diamination of o-bromo(or chloro)-biaryls. Sci China Chem 2022. [DOI: 10.1007/s11426-021-1202-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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8
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Jat JL, Yadav AK, Pandey CB, Chandra D, Tiwari B. Direct N-Me Aziridination of Enones. J Org Chem 2022; 87:3751-3757. [PMID: 35171590 DOI: 10.1021/acs.joc.1c02785] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The first direct general method for N-Me aziridination of electron-deficient olefins, enones, is described using N-methyl-O-tosylhydroxylamine as the aminating agent in the presence of a Cu(OTf)2 catalyst. The aziridination of vinyl ketones, hitherto unknown for N-Me as well as N-H, has been achieved efficiently. The open-flask reaction is stereospecific, operationally simple, and additive-free. It also efficiently affords N-H aziridinated products under a similar reaction condition.
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Affiliation(s)
- Jawahar L Jat
- Department of Chemistry, Babasaheb Bhimrao Ambedkar University (A Central University) Vidya Vihar, Raebareli Road, Lucknow 226025, Uttar Pradesh, India
| | - Ajay K Yadav
- Department of Chemistry, Babasaheb Bhimrao Ambedkar University (A Central University) Vidya Vihar, Raebareli Road, Lucknow 226025, Uttar Pradesh, India
| | - Chandra Bhan Pandey
- Department of Biological and Synthetic Chemistry, Center of Biomedical Research, SGPGIMS-Campus, Raebareli Road, Lucknow 226014, Uttar Pradesh, India
| | - Dinesh Chandra
- Department of Chemistry, Babasaheb Bhimrao Ambedkar University (A Central University) Vidya Vihar, Raebareli Road, Lucknow 226025, Uttar Pradesh, India
| | - Bhoopendra Tiwari
- Department of Biological and Synthetic Chemistry, Center of Biomedical Research, SGPGIMS-Campus, Raebareli Road, Lucknow 226014, Uttar Pradesh, India
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9
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Xu J, Chen D, Liu C. Recent advances of aminoazanium salts as amination reagents in organic synthesis. Org Biomol Chem 2022; 20:8353-8365. [DOI: 10.1039/d2ob01312f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
This review summarizes the utilization of aminoazaniums as amination reagents in organic synthesis, including the amination of aldehydes, boronic esters, olefins, etc.
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Affiliation(s)
- Jianeng Xu
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Du Chen
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Chao Liu
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
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10
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Michalak M, Bisek B, Nowacki M, Górecki M. Base-Catalyzed, Solvent-Free Synthesis of Rigid V-Shaped Epoxydibenzo[ b, f][1,5]diazocines. J Org Chem 2021; 86:8955-8969. [PMID: 34161097 PMCID: PMC8279491 DOI: 10.1021/acs.joc.1c00884] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
![]()
A novel method for
the synthesis of epoxydibenzo[b,f][1,5]diazocines exhibiting a V-shaped molecular
architecture is reported. The unique approach is based on unprecedented
base-catalyzed, solvent-free autocondensation and cross-condensation
of fluorinated o-aminophenones. The structure of
the newly synthesized diazocines was confirmed independently by X-ray
analysis and chiroptical methods. The rigidity of the diazocine scaffold
allowed for the separation of the racemate into single enantiomers
that proved to be thermally stable up to 140 °C. Furthermore,
the inertness of the diazocine scaffold was demonstrated by performing
a series of typical transformations, including transition metal-catalyzed
reactions, proceeding without affecting the bis-hemiaminal subunit.
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Affiliation(s)
- Michał Michalak
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Bartosz Bisek
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Michał Nowacki
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Marcin Górecki
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
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11
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Umeda T, Minakata S. A practical method for the aziridination of α,β-unsaturated carbonyl compounds with a simple carbamate utilizing sodium hypochlorite pentahydrate. RSC Adv 2021; 11:22120-22124. [PMID: 35480842 PMCID: PMC9034239 DOI: 10.1039/d1ra04297a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Accepted: 06/17/2021] [Indexed: 12/22/2022] Open
Abstract
The efficient formation of tert-butyl N-chloro-N-sodio-carbamate by the reaction of simple tert-butyl carbamate with sodium hypochlorite pentahydrate (NaOCl·5H2O) would be a practical and green method for the aziridination of α,β-unsaturated carbonyl compounds. The process described herein is transition-metal free, all of the materials are commercially available, the byproducts (NaCl and H2O) are environmentally benign and the reaction is stereoselective. The resulting aziridines are potential precursors of amino acids.
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Affiliation(s)
- Takehiro Umeda
- Department of Applied Chemistry, Graduate of Engineering, Osaka University Yamadaoka 2-1 Suita Osaka 565-0871 Japan
| | - Satoshi Minakata
- Department of Applied Chemistry, Graduate of Engineering, Osaka University Yamadaoka 2-1 Suita Osaka 565-0871 Japan
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12
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Zhang Q, Duan Y, Guo H, Yang H, Zhai J, Li T, Wang Z, Lu X, Wang Y, Yin Y. Bi(OTf) 3 -catalyed One-pot Synthesis of α-Halo-β-amino Ketones and Acyl Aziridines from 3-Aryl Propargyl Alcohols. Chem Asian J 2021; 16:1832-1838. [PMID: 34002537 DOI: 10.1002/asia.202100368] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 05/12/2021] [Indexed: 11/05/2022]
Abstract
A Bi(OTf)3 -catalyed reaction of 3-aryl propargyl alcohols with sulfonamide and halogen source was firstly investigated, which provided a facile route for the synthesis of a large variety of α-halo-β-amino ketones. The key intermediates, β-amino ketones, were obtained through tandem Meyer-Schuster rearrangement reaction of propargyl alcohols and intermolecular Michael addition of α, β-unsaturated ketones and sulfonamide. Then the in situ generated α-halo-β-amino ketones underwent the base-promoted intramolecular cyclization to give diverse acyl aziridines in a one-pot fashion. These transformations are reliable on a large scale. The high yields and convenient experimental operations make it a valuable method for the construction of α-halo-β-amino ketones and acyl aziridine derivatives.
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Affiliation(s)
- Qinglin Zhang
- Department of Chemical and Environmental Engineering, Shanghai Institute of Technology, 201418, 100 Hai Quan Rd., Shanghai, P. R. China
| | - Yongbin Duan
- Department of Chemical and Environmental Engineering, Shanghai Institute of Technology, 201418, 100 Hai Quan Rd., Shanghai, P. R. China
| | - Huifeng Guo
- Department of Chemical and Environmental Engineering, Shanghai Institute of Technology, 201418, 100 Hai Quan Rd., Shanghai, P. R. China
| | - Hong Yang
- Department of Chemical and Environmental Engineering, Shanghai Institute of Technology, 201418, 100 Hai Quan Rd., Shanghai, P. R. China
| | - Jiulong Zhai
- Department of Chemical and Environmental Engineering, Shanghai Institute of Technology, 201418, 100 Hai Quan Rd., Shanghai, P. R. China
| | - Tiantian Li
- Department of Chemical and Environmental Engineering, Shanghai Institute of Technology, 201418, 100 Hai Quan Rd., Shanghai, P. R. China
| | - Zhihai Wang
- Department of Chemical and Environmental Engineering, Shanghai Institute of Technology, 201418, 100 Hai Quan Rd., Shanghai, P. R. China
| | - Xiaolei Lu
- Department of Chemical and Environmental Engineering, Shanghai Institute of Technology, 201418, 100 Hai Quan Rd., Shanghai, P. R. China
| | - Yan Wang
- Department of Chemical and Environmental Engineering, Shanghai Institute of Technology, 201418, 100 Hai Quan Rd., Shanghai, P. R. China
| | - Yan Yin
- Department of Chemical and Environmental Engineering, Shanghai Institute of Technology, 201418, 100 Hai Quan Rd., Shanghai, P. R. China.,Shanghai Key Laboratory of Chemical Assessment and Sustainability, Tongji University, 200092, 1239 Si Ping Rd, Shanghai, P. R. China
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13
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Minakata S, Kiyokawa K, Nakamura S. Transition-Metal-Free Aziridination of Alkenes with Sulfamate Esters Using tert-Butyl Hypoiodite. HETEROCYCLES 2021. [DOI: 10.3987/com-20-s(k)20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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14
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Fan L, Hao J, Yu J, Ma X, Liu J, Luan X. Hydroxylamines As Bifunctional Single-Nitrogen Sources for the Rapid Assembly of Diverse Tricyclic Indole Scaffolds. J Am Chem Soc 2020; 142:6698-6707. [PMID: 32182059 DOI: 10.1021/jacs.0c00403] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Conventional approaches on using hydroxylamine derivatives as single nitrogen sources, for the construction of n-membered (n > 3) N-heterocycles, rely upon two chemical operations by involving sequential nucleophilic and electrophilic C-N bond formations. Here, we report a highly efficient cascade of alkyne insertion/C-H activation/amination for the rapid preparation of a myriad of tricyclic indoles, in a single-step transformation, by using bifunctional secondary hydroxylamines. It is noteworthy that judicious selection of applicable amino agents, for enabling the prior oxidative addition of aryl iodide to initial Pd(0) species and subsequent two C-N bonds formation, was the key to the success of this reaction. Control experiments indicated that a five-membered palladacyclic intermediate played a crucial role in promoting the final aminative ring closure.
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Affiliation(s)
- Liangxin Fan
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
| | - Jiamao Hao
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
| | - Jingxun Yu
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
| | - Xiaojun Ma
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
| | - Jingjing Liu
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
| | - Xinjun Luan
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
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15
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Cheng QQ, Zhou Z, Jiang H, Siitonen JH, Ess DH, Zhang X, Kürti L. Organocatalytic nitrogen transfer to unactivated olefins via transient oxaziridines. Nat Catal 2020. [DOI: 10.1038/s41929-020-0430-4] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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16
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Tan C, Liu Y, Liu X, Jia H, Xu K, Huang S, Wang J, Tan J. Stereoselective synthesis of trans-aziridines via intramolecular oxidative C(sp3)–H amination of β-amino ketones. Org Chem Front 2020. [DOI: 10.1039/c9qo01489f] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
An expedient strategy for the synthesis of trans-2,3-disubstituted via the intramolecular KI/TBHP mediated oxidative dehydrogenative C(sp3)–H amination reaction was presented.
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Affiliation(s)
- Chen Tan
- Department of Organic Chemistry
- College of Chemistry
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Yongguo Liu
- Beijing Key Laboratory of Flavor Chemistry
- Beijing Technology and Business University (BTBU)
- Beijing 100048
- China
| | - Xinyuan Liu
- Department of Organic Chemistry
- College of Chemistry
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Huanxin Jia
- Department of Organic Chemistry
- College of Chemistry
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Kun Xu
- College of Chemistry and Pharmaceutical Engineering
- Nanyang Normal University
- Nanyang
- China
| | - Sihan Huang
- Department of Organic Chemistry
- College of Chemistry
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Jingwen Wang
- Department of Organic Chemistry
- College of Chemistry
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Jiajing Tan
- Department of Organic Chemistry
- College of Chemistry
- Beijing University of Chemical Technology
- Beijing 100029
- China
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17
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Wang H, Shi J, Tan J, Xu W, Zhang S, Xu K. Electrochemical Synthesis of trans-2,3-Disubstituted Aziridines via Oxidative Dehydrogenative Intramolecular C(sp3)–H Amination. Org Lett 2019; 21:9430-9433. [DOI: 10.1021/acs.orglett.9b03641] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Huiqiao Wang
- Engineering Technology Research Center of Henan Province for Photo- and Electrochemical Catalysis, College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang 473061, China
| | - Jianxue Shi
- Engineering Technology Research Center of Henan Province for Photo- and Electrochemical Catalysis, College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang 473061, China
| | - Jiajing Tan
- Department of Organic Chemistry, Faculty of Science, Beijing University of Chemical Technology, Beijing 100029, China
| | - Wenting Xu
- Engineering Technology Research Center of Henan Province for Photo- and Electrochemical Catalysis, College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang 473061, China
| | - Sheng Zhang
- Engineering Technology Research Center of Henan Province for Photo- and Electrochemical Catalysis, College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang 473061, China
| | - Kun Xu
- Engineering Technology Research Center of Henan Province for Photo- and Electrochemical Catalysis, College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang 473061, China
- College of Life Science & Bioengineering, Beijing University of Technology, Beijing 100124, China
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18
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Bosmani A, Guarnieri‐Ibáñez A, Lacour J. Configurational Lability of Imino‐SubstitutedEthano TrögerBases. Insight on the Racemization Mechanism. Helv Chim Acta 2019. [DOI: 10.1002/hlca.201900021] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Alessandro Bosmani
- Département de Chimie OrganiqueUniversité de Genève Quai Ernest Ansermet 30 CH-1211 Geneva 4 Switzerland
| | - Alejandro Guarnieri‐Ibáñez
- Département de Chimie OrganiqueUniversité de Genève Quai Ernest Ansermet 30 CH-1211 Geneva 4 Switzerland
| | - Jérôme Lacour
- Département de Chimie OrganiqueUniversité de Genève Quai Ernest Ansermet 30 CH-1211 Geneva 4 Switzerland
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19
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Yu Y, Li M, Zhang Y, Liu Y, Shi L, Wang W, Li H. Construction of N-Alkyl- and N-Arylaziridines from Unprotected Amines via C-H Oxidative Amination Strategy. Org Lett 2019; 21:904-907. [PMID: 30698446 DOI: 10.1021/acs.orglett.8b03799] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A copper-promoted intramolecular C-H oxidative amination reaction between secondary amine (N-H) and C(sp3)-H at the benzylic position of azaarenes or α-position of ketones for the synthesis of aziridine derivatives has been developed. Moreover, a practical annulation of electron-deficient vinylarenes with an unprotected primary alkyl amine by a Yb(OTf)3-CuI relay system has also been reported. The reactions were carried out with oxygen as the sole oxidant to give the N-alkyl- and N-arylaziridines in good yields.
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Affiliation(s)
- Yang Yu
- State Key Laboratory of Bioengineering Reactor, Shanghai Key Laboratory of New Drug Design, and School of Pharmacy , East China University of Science and Technology , 130 Meilong Road , Shanghai 200237 , China
| | - Meijuan Li
- State Key Laboratory of Bioengineering Reactor, Shanghai Key Laboratory of New Drug Design, and School of Pharmacy , East China University of Science and Technology , 130 Meilong Road , Shanghai 200237 , China
| | - Yong Zhang
- State Key Laboratory of Bioengineering Reactor, Shanghai Key Laboratory of New Drug Design, and School of Pharmacy , East China University of Science and Technology , 130 Meilong Road , Shanghai 200237 , China
| | - Yonghai Liu
- State Key Laboratory of Bioengineering Reactor, Shanghai Key Laboratory of New Drug Design, and School of Pharmacy , East China University of Science and Technology , 130 Meilong Road , Shanghai 200237 , China
| | - Lei Shi
- Corporate R&D Division , Firmenich Aromatics (China) Co., Ltd. , Shanghai 201108 , China
| | - Wei Wang
- State Key Laboratory of Bioengineering Reactor, Shanghai Key Laboratory of New Drug Design, and School of Pharmacy , East China University of Science and Technology , 130 Meilong Road , Shanghai 200237 , China.,Department of Pharmacology and Toxicology and BIO5 Institute , University of Arizona , 1703 East Mabel Street , P.O. Box 210207, Tucson , Arizona 85721-0207 , United States
| | - Hao Li
- State Key Laboratory of Bioengineering Reactor, Shanghai Key Laboratory of New Drug Design, and School of Pharmacy , East China University of Science and Technology , 130 Meilong Road , Shanghai 200237 , China
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20
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Sabir S, Pandey CB, Yadav AK, Tiwari B, Jat JL. Direct N-H/N-Me Aziridination of Unactivated Olefins Using O-(Sulfonyl)hydroxylamines as Aminating Agents. J Org Chem 2018; 83:12255-12260. [DOI: 10.1021/acs.joc.8b01673] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Shekh Sabir
- Department of Chemistry, Baba Saheb Bhim Rao Ambedkar University, Lucknow 226025, India
| | - Chandra Bhan Pandey
- Division of Molecular Synthesis & Drug Discovery, Centre of Biomedical Research, SGPGIMS-Campus, Raebareli Road, Lucknow 226014, India
| | - Ajay K. Yadav
- Department of Chemistry, Baba Saheb Bhim Rao Ambedkar University, Lucknow 226025, India
| | - Bhoopendra Tiwari
- Division of Molecular Synthesis & Drug Discovery, Centre of Biomedical Research, SGPGIMS-Campus, Raebareli Road, Lucknow 226014, India
| | - Jawahar L. Jat
- Department of Chemistry, Baba Saheb Bhim Rao Ambedkar University, Lucknow 226025, India
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21
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Ding Y, Li D, Ding C, Wang P, Liu Z, Wold EA, Ye N, Chen H, White MA, Shen Q, Zhou J. Regio- and Stereospecific Synthesis of Oridonin D-Ring Aziridinated Analogues for the Treatment of Triple-Negative Breast Cancer via Mediated Irreversible Covalent Warheads. J Med Chem 2018. [PMID: 29528645 DOI: 10.1021/acs.jmedchem.7b01514] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Covalent drug discovery has undergone a resurgence in recent years due to comprehensive optimization of the structure-activity relationship (SAR) and the structure-reactivity relationship (SRR) for covalent drug candidates. The natural product oridonin maintains an impressive pharmacological profile through its covalent enone warhead on the D-ring and has attracted substantial SAR studies to characterize its potential in the development of new molecular entities for the treatment of various human cancers and inflammation. Herein, for the first time, we report the excessive reactivity of this covalent warhead and mediation of the covalent binding capability through a Rh2(esp)2-catalyzed mild and concise regio- and stereospecific aziridination approach. Importantly, aziridonin 44 (YD0514), with a more-druglike irreversible covalent warhead, has been identified to significantly induce apoptosis and inhibit colony formation against triple-negative breast cancer with enhanced antitumor effects in vitro and in vivo while displaying lower toxicity to normal human mammary epithelial cells in comparison to oridonin.
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Affiliation(s)
| | - Dengfeng Li
- Department of Clinical Cancer Prevention, Division of Cancer Prevention and Population Sciences , The University of Texas MD Anderson Cancer Center , Houston , Texas 77030 , United States.,Department of Thyroid and Breast, Division of General Surgery, Shanghai Tenth People's Hospital , Tongji University School of Medicine , Shanghai 200072 , China
| | | | | | | | | | | | | | | | - Qiang Shen
- Department of Clinical Cancer Prevention, Division of Cancer Prevention and Population Sciences , The University of Texas MD Anderson Cancer Center , Houston , Texas 77030 , United States
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22
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Jarzebski A, Tenten C, Bannwarth C, Schnakenburg G, Grimme S, Lützen A. Diastereoselective Self-Assembly of a Neutral Dinuclear Double-Stranded Zinc(II) Helicate via Narcissistic Self-Sorting. Chemistry 2017. [PMID: 28650081 DOI: 10.1002/chem.201702125] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
A new bis(salicylimine) ligand based on the Tröger's base scaffold was synthesized in racemic and enantiomerically pure form. Upon coordination to zinc(II) ions this ligand undergoes highly diastereoselective self-assembly into neutral dinuclear double-stranded helicates as proven by XRD analysis and via comparison of experimental ECD spectra with those simulated with quantum-chemical methods. When the racemic ligand was used, self-assembly occurs under narcissistic self-sorting resulting in the formation of a racemic pair of helicates as revealed by NMR spectroscopy and XRD analysis.
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Affiliation(s)
- Andreas Jarzebski
- Kekulé-Institut für Organische Chemie und Biochemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Gerhard-Domagk-Str. 1, 53121, Bonn, Germany
| | - Christina Tenten
- Kekulé-Institut für Organische Chemie und Biochemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Gerhard-Domagk-Str. 1, 53121, Bonn, Germany
| | - Christoph Bannwarth
- Mulliken Center for Theoretical Chemistry, Institut für Physikalische Chemie und Theoretische Chemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Beringstr. 4, 53115, Bonn, Germany
| | - Gregor Schnakenburg
- Institut für Anorganische Chemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Gerhard-Domagk-Str. 1, 53121, Bonn, Germany
| | - Stefan Grimme
- Mulliken Center for Theoretical Chemistry, Institut für Physikalische Chemie und Theoretische Chemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Beringstr. 4, 53115, Bonn, Germany
| | - Arne Lützen
- Kekulé-Institut für Organische Chemie und Biochemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Gerhard-Domagk-Str. 1, 53121, Bonn, Germany
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23
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Zhuang C, Zhang W, Sheng C, Zhang W, Xing C, Miao Z. Chalcone: A Privileged Structure in Medicinal Chemistry. Chem Rev 2017; 117:7762-7810. [PMID: 28488435 PMCID: PMC6131713 DOI: 10.1021/acs.chemrev.7b00020] [Citation(s) in RCA: 757] [Impact Index Per Article: 108.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Privileged structures have been widely used as an effective template in medicinal chemistry for drug discovery. Chalcone is a common simple scaffold found in many naturally occurring compounds. Many chalcone derivatives have also been prepared due to their convenient synthesis. These natural products and synthetic compounds have shown numerous interesting biological activities with clinical potentials against various diseases. This review aims to highlight the recent evidence of chalcone as a privileged scaffold in medicinal chemistry. Multiple aspects of chalcone will be summarized herein, including the isolation of novel chalcone derivatives, the development of new synthetic methodologies, the evaluation of their biological properties, and the exploration of the mechanisms of action as well as target identification. This review is expected to be a comprehensive, authoritative, and critical review of the chalcone template to the chemistry community.
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Affiliation(s)
- Chunlin Zhuang
- School of Pharmacy, Second Military Medical University, 325 Guohe Road, Shanghai 200433, China
| | - Wen Zhang
- School of Pharmacy, Second Military Medical University, 325 Guohe Road, Shanghai 200433, China
| | - Chunquan Sheng
- School of Pharmacy, Second Military Medical University, 325 Guohe Road, Shanghai 200433, China
| | - Wannian Zhang
- School of Pharmacy, Second Military Medical University, 325 Guohe Road, Shanghai 200433, China
- School of Pharmacy, Ningxia Medical University, 1160 Shengli Street, Yinchuan 750004, China
| | - Chengguo Xing
- Department of Medicinal Chemistry, College of Pharmacy, University of Florida, 1345 Center Drive,
Gainesville, Florida 32610, United States
| | - Zhenyuan Miao
- School of Pharmacy, Second Military Medical University, 325 Guohe Road, Shanghai 200433, China
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24
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Affiliation(s)
- Shekh Sabir
- Department of Applied Chemistry; BabaSaheb Bhimrao Ambedkar University (A Central University) Vidya Vihar; Raebareli Road Lucknow 226025 India
| | | | - Jawahar L. Jat
- Department of Applied Chemistry; BabaSaheb Bhimrao Ambedkar University (A Central University) Vidya Vihar; Raebareli Road Lucknow 226025 India
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25
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He C, Wang B, Gao M, Gu Z. Synthesis of Chiral Cleft C,N-Palladium and Iridium Complexes from 2,3:6,7-Dibenzobicyclo[3.3.1]nona-2,6-diene-4,8-dione and Their Synthetic Applications. Organometallics 2017. [DOI: 10.1021/acs.organomet.7b00024] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Congfa He
- Department of Chemistry, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, People’s Republic of China
| | - Bin Wang
- Department of Chemistry, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, People’s Republic of China
| | - Mingli Gao
- Department of Chemistry, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, People’s Republic of China
| | - Zhenhua Gu
- Department of Chemistry, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, People’s Republic of China
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26
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Shukla P, Mahata S, Sahu A, Singh M, Rai VK, Rai A. First graphene oxide promoted metal-free nitrene insertion into olefins in water: towards facile synthesis of activated aziridines. RSC Adv 2017. [DOI: 10.1039/c7ra09351a] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A facile metal-free graphene oxide (GO)-catalyzed synthesis of tosylaziridines using PhINTs as the nitrene source is reported.
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Affiliation(s)
- Prashant Shukla
- School of Physical Sciences
- Jawaharlal Nehru University
- New Delhi
- India
| | - Suhasini Mahata
- Department of Chemistry
- School of Physical Sciences
- Guru Ghasidas Vishwavidyalaya
- Bilaspur (C.G.)-495009
- India
| | - Anjumala Sahu
- Department of Chemistry
- School of Physical Sciences
- Guru Ghasidas Vishwavidyalaya
- Bilaspur (C.G.)-495009
- India
| | - Manorama Singh
- Department of Chemistry
- School of Physical Sciences
- Guru Ghasidas Vishwavidyalaya
- Bilaspur (C.G.)-495009
- India
| | - Vijai K. Rai
- Department of Chemistry
- School of Physical Sciences
- Guru Ghasidas Vishwavidyalaya
- Bilaspur (C.G.)-495009
- India
| | - Ankita Rai
- School of Physical Sciences
- Jawaharlal Nehru University
- New Delhi
- India
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27
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Shanmugaraju S, McAdams D, Pancotti F, Hawes CS, Veale EB, Kitchen JA, Gunnlaugsson T. One-pot facile synthesis of 4-amino-1,8-naphthalimide derived Tröger's bases via a nucleophilic displacement approach. Org Biomol Chem 2017; 15:7321-7329. [DOI: 10.1039/c7ob01835e] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
We report here a novel one-pot synthetic strategy for the synthesis of a family of N-alkyl-1,8-naphthalimide derived Tröger's bases (in overall yield of 65–96%) via a nucleophilic substitution reaction.
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Affiliation(s)
- Sankarasekaran Shanmugaraju
- School of Chemistry and Trinity Biomedical Sciences Institute (TBSI)
- Trinity College Dublin
- The University of Dublin
- Dublin 2
- Ireland
| | - Deirdre McAdams
- School of Chemistry and Trinity Biomedical Sciences Institute (TBSI)
- Trinity College Dublin
- The University of Dublin
- Dublin 2
- Ireland
| | - Francesca Pancotti
- School of Chemistry and Trinity Biomedical Sciences Institute (TBSI)
- Trinity College Dublin
- The University of Dublin
- Dublin 2
- Ireland
| | - Chris S. Hawes
- School of Chemistry and Trinity Biomedical Sciences Institute (TBSI)
- Trinity College Dublin
- The University of Dublin
- Dublin 2
- Ireland
| | - Emma B. Veale
- School of Chemistry and Trinity Biomedical Sciences Institute (TBSI)
- Trinity College Dublin
- The University of Dublin
- Dublin 2
- Ireland
| | - Jonathan A. Kitchen
- Chemistry
- Faculty of Natural and Environmental Sciences
- University of Southampton-Highfield
- Southampton
- UK
| | - Thorfinnur Gunnlaugsson
- School of Chemistry and Trinity Biomedical Sciences Institute (TBSI)
- Trinity College Dublin
- The University of Dublin
- Dublin 2
- Ireland
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28
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Yamaguchi M, Hayashi M, Hamada Y, Nemoto T. Synthetic Study of Pactamycin: Enantioselective Construction of the Pactamycin Core with Five Contiguous Stereocenters. Org Lett 2016; 18:2347-50. [PMID: 27171747 DOI: 10.1021/acs.orglett.6b00761] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A synthetic study of pactamycin is described. Enantioselective construction of the aminocyclopentitol core of pactamycin bearing five contiguous stereocenters was achieved based on an organocatalytic asymmetric aziridination of 2-cyclopentene-1-one, a regio- and diastereoselective 1,3-dipolar cycloaddition, and a rhodium-catalyzed C-H amination reaction.
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Affiliation(s)
- Mami Yamaguchi
- Graduate School of Pharmaceutical Sciences, Chiba University , 1-8-1, Inohana, Chuo-ku, Chiba, 260-8675, Japan
| | - Minami Hayashi
- Graduate School of Pharmaceutical Sciences, Chiba University , 1-8-1, Inohana, Chuo-ku, Chiba, 260-8675, Japan
| | - Yasumasa Hamada
- 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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29
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Formal enantioselective synthesis of (−)-allosamizoline using chiral diamine-catalyzed asymmetric aziridination of cyclic enones. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.02.067] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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30
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Bencivenni G, Righi P, Lunazzi L, Ranieri S, Mancinelli M, Mazzanti A. Enantioselective Preparation, Conformational Analysis and Absolute Configuration of Highly Substituted Aziridines. Chirality 2015; 27:875-87. [DOI: 10.1002/chir.22522] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Revised: 08/04/2015] [Accepted: 08/04/2015] [Indexed: 12/15/2022]
Affiliation(s)
- Giorgio Bencivenni
- Department of Industrial Chemistry “Toso Montanari”; University of Bologna; Italy
| | - Paolo Righi
- Department of Industrial Chemistry “Toso Montanari”; University of Bologna; Italy
| | - Lodovico Lunazzi
- Department of Industrial Chemistry “Toso Montanari”; University of Bologna; Italy
| | - Silvia Ranieri
- Department of Industrial Chemistry “Toso Montanari”; University of Bologna; Italy
| | - Michele Mancinelli
- Department of Industrial Chemistry “Toso Montanari”; University of Bologna; Italy
| | - Andrea Mazzanti
- Department of Industrial Chemistry “Toso Montanari”; University of Bologna; Italy
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31
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Huang ZA, Liu H, Lu CD, Xu YJ. Stereoselective Synthesis of Enantioenriched 2-Chloro-2-aroylaziridines by Cascade Reaction between Aryl Nitriles, Silyldichloromethanes, and tert-Butanesulfinylimines. Org Lett 2015; 17:4042-5. [PMID: 26226516 DOI: 10.1021/acs.orglett.5b01954] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The cascade coupling of aryl nitriles, silyldichloromethanes, and tert-butanesulfinylimines is described, in which silyldichloromethyllithiums, generated from silyldichloromethanes in the presence of lithium diisopropylamide, undergo nucleophilic addition with aryl nitriles and subsequent [1,3]-aza-Brook rearrangement to give dichlorocarbanions bearing α-N-silyl imine (or their 1-azaenolate equivalents), which are then trapped by tert-butanesulfinylimines via an aza-Darzens-type transformation, affording enantioenriched 2-chloro-2-aroylaziridines after acidic hydrolysis of the N-silyl imine group. The stereochemistry of this cascade reaction can be tuned by selecting appropriate silyl groups on the silyldichloromethanes and altering the order of addition of the imines and the hexamethylphosphoramide additive.
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Affiliation(s)
| | | | - Chong-Dao Lu
- ‡Department of Chemistry and Applied Chemistry, Changji University, Changji 831100, China
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32
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Wang QL, Cai T, Zhou J, Tian F, Xu XY, Wang LX. An unprecedented base-promoted domino reaction of methyleneindolinones and N-tosyloxycarbamates for the construction of bispirooxindoles and spiroaziridine oxindoles. Chem Commun (Camb) 2015; 51:10726-9. [DOI: 10.1039/c5cc03793j] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient and unprecedented domino reaction of methyleneindolinones andN-tosyloxycarbamates was realized to construct bispirooxindoles and spirooxindole aziridines.
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Affiliation(s)
- Qi-Lin Wang
- Key Laboratory of Asymmetric Synthesis and Chirotechnology of Sichuan Province
- Chengdu Institute of Organic Chemistry
- Chinese Academy of Sciences
- Chengdu 610041
- China
| | - Tian Cai
- Key Laboratory of Asymmetric Synthesis and Chirotechnology of Sichuan Province
- Chengdu Institute of Organic Chemistry
- Chinese Academy of Sciences
- Chengdu 610041
- China
| | - Jing Zhou
- Key Laboratory of Asymmetric Synthesis and Chirotechnology of Sichuan Province
- Chengdu Institute of Organic Chemistry
- Chinese Academy of Sciences
- Chengdu 610041
- China
| | - Fang Tian
- Key Laboratory of Asymmetric Synthesis and Chirotechnology of Sichuan Province
- Chengdu Institute of Organic Chemistry
- Chinese Academy of Sciences
- Chengdu 610041
- China
| | - Xiao-Ying Xu
- Key Laboratory of Asymmetric Synthesis and Chirotechnology of Sichuan Province
- Chengdu Institute of Organic Chemistry
- Chinese Academy of Sciences
- Chengdu 610041
- China
| | - Li-Xin Wang
- Key Laboratory of Asymmetric Synthesis and Chirotechnology of Sichuan Province
- Chengdu Institute of Organic Chemistry
- Chinese Academy of Sciences
- Chengdu 610041
- China
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33
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Samimi HA, Salehi E, Dadvar F. N-bromosuccinimide/cerium Ammonium Nitrate: An Efficient Reagent for Stereo-controlled Deamination of Ketoaziridines. JOURNAL OF CHEMICAL RESEARCH 2014. [DOI: 10.3184/174751914x14176157994656] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
An efficient and novel method for the deamination of trans-1-alkyl (H or benzoyl)-2-aroyl aziridines in a completely stereo-controlled reaction in the presence of N-bromosuccinimide/cerium (IV) ammonium nitrate is described. In comparison with the previous reported work, this reaction reveals a substituent-reactivity relationship and important role for the substituent on C1 and C2 in determining whether deamination or oxidation reaction takes place.
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Affiliation(s)
- Heshmat Allah Samimi
- Department of Chemistry, Faculty of Sciences, Shahrekord University, PO Box 115, Shahrekord, Iran
| | - Elham Salehi
- Department of Chemistry, Faculty of Sciences, Shahrekord University, PO Box 115, Shahrekord, Iran
| | - Farkhondeh Dadvar
- Department of Chemistry, Faculty of Sciences, Shahrekord University, PO Box 115, Shahrekord, Iran
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34
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Guest-responsive structural adaptation of a rationally-designed molecular tweezer based on Tröger’s base. J CHEM SCI 2014. [DOI: 10.1007/s12039-014-0708-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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35
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Nemoto T, Hayashi M, Xu D, Hamajima A, Hamada Y. Enantioselective synthesis of (R)-Sumanirole using organocatalytic asymmetric aziridination of an α,β-unsaturated aldehyde. ACTA ACUST UNITED AC 2014. [DOI: 10.1016/j.tetasy.2014.06.018] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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36
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Degennaro L, Trinchera P, Luisi R. Recent advances in the stereoselective synthesis of aziridines. Chem Rev 2014; 114:7881-929. [PMID: 24823261 DOI: 10.1021/cr400553c] [Citation(s) in RCA: 326] [Impact Index Per Article: 32.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Leonardo Degennaro
- Department of Pharmacy-Drug Sciences, University of Bari "A. Moro" , Via Edoardo Orabona 4, Bari 70125, Italy
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37
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Zhu Y, Wang Q, Cornwall RG, Shi Y. Organocatalytic asymmetric epoxidation and aziridination of olefins and their synthetic applications. Chem Rev 2014; 114:8199-256. [PMID: 24785198 DOI: 10.1021/cr500064w] [Citation(s) in RCA: 333] [Impact Index Per Article: 33.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Yingguang Zhu
- Department of Chemistry, Colorado State University , Fort Collins, Colorado 80523, United States
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38
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Smith DT, Njardarson JT. Skalierbare rhodiumkatalysierte intermolekulare Aziridinierungen. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201400502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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39
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Smith DT, Njardarson JT. A scalable rhodium-catalyzed intermolecular aziridination reaction. Angew Chem Int Ed Engl 2014; 53:4278-80. [PMID: 24596144 DOI: 10.1002/anie.201400502] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2014] [Indexed: 11/06/2022]
Abstract
The amine has landed! By employing the rhodium catalyst [Rh2 (esp)2 ] in the presence of a readily available amine source (DPH), unactivated and styrene-type olefins can now be stereospecifally transformed, in high yields at room temperature, into valuable NH aziridine products. esp=α,α,α',α'-tetramethyl-1,3-benzenedipropionic acid.
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Affiliation(s)
- David T Smith
- Department of Chemistry and Biochemistry, University of Arizona, 1306. E. University Blvd., Tucson, AZ 85721 (USA) http://www.cbc.arizona.edu/njardarson/group/
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40
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Halskov KS, Naicker T, Jensen ME, Jørgensen KA. Organocatalytic asymmetric remote aziridination of 2,4-dienals. Chem Commun (Camb) 2014; 49:6382-4. [PMID: 23748437 DOI: 10.1039/c3cc43506g] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Highly regio- and stereoselective remote aziridination of 2,4-dienals has been developed, based on a vinylogous iminium-ion-dienamine catalytic cascade reaction. Transformations of the aziridine products into enantioenriched motifs are also demonstrated. Furthermore, the reaction concept is extended to include enantioselective 1,6-addition of thiols.
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Affiliation(s)
- Kim Søholm Halskov
- Center for Catalysis, Aarhus University, Langelandsgade 140, DK-8000 Aarhus C, Denmark
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41
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Toma T. Direct Intermolecular N-H Aziridine Synthesis, an Emerging Methodology for Practical Synthesis. J SYN ORG CHEM JPN 2014. [DOI: 10.5059/yukigoseikyokaishi.72.1400] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Tatsuya Toma
- Graduate School of Pharmaceutical Sciences, Nagoya University
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42
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Armstrong A, Pullin RD, Jenner CR, Foo K, White AJ, Scutt JN. Tertiary amine-promoted enone aziridination: investigations into factors influencing enantioselective induction. ACTA ACUST UNITED AC 2014. [DOI: 10.1016/j.tetasy.2013.11.008] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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43
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Cross JT, Rossi NA, Serafin M, Wheeler KA. Tröger's base quasiracemates and crystal packing tendencies. CrystEngComm 2014. [DOI: 10.1039/c4ce00323c] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A family of 7 Tröger's base (TB) compounds that vary in configuration (quasiracemates, racemates, and enantiomers) and chemical substitutions (Me, Cl, and Br) has been investigated.
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Affiliation(s)
- Jacob T. Cross
- Department of Chemistry
- Eastern Illinois University
- Charleston, USA
| | | | - Mateusz Serafin
- Department of Chemistry
- Eastern Illinois University
- Charleston, USA
| | - Kraig A. Wheeler
- Department of Chemistry
- Eastern Illinois University
- Charleston, USA
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44
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Sathyanarayana A, Prabusankar G. Facile access to imidazole and imidazolium substituted dibenzo-diazocines. NEW J CHEM 2014. [DOI: 10.1039/c4nj00351a] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
The C2-symmetrical 2,8- and 4,10-diimidazo methano dibenzo diazocines were synthesized and converted into alkyl imidazolium salts.
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Affiliation(s)
| | - Ganesan Prabusankar
- Department of Chemistry
- Indian Institute of Technology Hyderabad
- Yeddumailaram, India
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45
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Wang B, Gu Z. Highly efficient and practical resolution of 2,3:6,7-dibenzobicyclo[3.3.1]nona-2,6-diene-4,8-dione and stereoselective synthesis of its chiral diamine derivatives. Org Chem Front 2014. [DOI: 10.1039/c4qo00011k] [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
The rigid V-shaped molecule (±)-4 could be efficiently resolved by commercially available BINOL in high enantiomeric excesses.
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Affiliation(s)
- Bin Wang
- Department of Chemistry
- University of Science and Technology of China
- Hefei, P. R. China
| | - Zhenhua Gu
- Department of Chemistry
- University of Science and Technology of China
- Hefei, P. R. China
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46
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Kiyokawa K, Kosaka T, Minakata S. Metal-Free Aziridination of Styrene Derivatives with Iminoiodinane Catalyzed by a Combination of Iodine and Ammonium Iodide. Org Lett 2013; 15:4858-61. [DOI: 10.1021/ol402276f] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Kensuke Kiyokawa
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Yamadaoka 2-1, Suita, Osaka 565-0871, Japan
| | - Tomoki Kosaka
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Yamadaoka 2-1, Suita, Osaka 565-0871, Japan
| | - Satoshi Minakata
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Yamadaoka 2-1, Suita, Osaka 565-0871, Japan
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47
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Pujari SA, Guénée L, Lacour J. Efficient Synthesis of Imino-methano Tröger Bases by Nitrene Insertions into C–N Bonds. Org Lett 2013; 15:3930-3. [DOI: 10.1021/ol4016892] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Sandip A. Pujari
- University of Geneva, Department of Organic Chemistry, 30 Quai Ernest Ansermet, CH-1211 Geneva 4, Switzerland, and Laboratory of Crystallography, University of Geneva, quai Ernest Ansermet 24, CH-1211 Genève 4, Switzerland
| | - Laure Guénée
- University of Geneva, Department of Organic Chemistry, 30 Quai Ernest Ansermet, CH-1211 Geneva 4, Switzerland, and Laboratory of Crystallography, University of Geneva, quai Ernest Ansermet 24, CH-1211 Genève 4, Switzerland
| | - Jérôme Lacour
- University of Geneva, Department of Organic Chemistry, 30 Quai Ernest Ansermet, CH-1211 Geneva 4, Switzerland, and Laboratory of Crystallography, University of Geneva, quai Ernest Ansermet 24, CH-1211 Genève 4, Switzerland
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48
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Řezanka P, Ryšavá H, Havlík M, Jakubek M, Sýkora D, Král V. Enantioseparation of Tröger's Base Derivatives by Capillary Electrophoresis Using Cyclodextrins as Chiral Selectors. Chirality 2013; 25:379-83. [DOI: 10.1002/chir.22148] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2012] [Accepted: 12/04/2012] [Indexed: 11/11/2022]
Affiliation(s)
- Pavel Řezanka
- Institute of Chemical Technology; Department of Analytical Chemistry; Technická 5 166 28 Prague 6 Czech Republic
| | - Helena Ryšavá
- Institute of Chemical Technology; Department of Analytical Chemistry; Technická 5 166 28 Prague 6 Czech Republic
| | - Martin Havlík
- Institute of Chemical Technology; Department of Analytical Chemistry; Technická 5 166 28 Prague 6 Czech Republic
| | - Milan Jakubek
- Institute of Chemical Technology; Department of Analytical Chemistry; Technická 5 166 28 Prague 6 Czech Republic
| | - David Sýkora
- Institute of Chemical Technology; Department of Analytical Chemistry; Technická 5 166 28 Prague 6 Czech Republic
| | - Vladimír Král
- Institute of Chemical Technology; Department of Analytical Chemistry; Technická 5 166 28 Prague 6 Czech Republic
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49
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Novel motif for bidentate P,N ligands. Application to Pd-catalyzed Suzuki cross-coupling reactions. J Organomet Chem 2013. [DOI: 10.1016/j.jorganchem.2013.01.028] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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50
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Armstrong A, Ferguson A. Synthesis and ring openings of cinnamate-derived N-unfunctionalised aziridines. Beilstein J Org Chem 2012; 8:1747-52. [PMID: 23209508 PMCID: PMC3511008 DOI: 10.3762/bjoc.8.199] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2012] [Accepted: 09/13/2012] [Indexed: 11/23/2022] Open
Abstract
tert-Butyl cinnamates are aziridinated with high trans-selectivity by an N–N ylide generated in situ from N-methylmorpholine and O-diphenylphosphinyl hydroxylamine. The resulting N-unfunctionalised aziridines are shown to be versatile synthetic building blocks that undergo highly selective ring-opening reactions with a wide range of nucleophiles.
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Affiliation(s)
- Alan Armstrong
- Department of Chemistry, Imperial College London, South Kensington, London, SW7 2AZ, U.K
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