151
|
Zhang G, Alshreimi AS, Alonso L, Antar A, Yu H, Islam SM, Anderson LL. Nitrone and Alkyne Cascade Reactions for Regio‐ and Diastereoselective 1‐Pyrroline Synthesis. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202101511] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Guanqun Zhang
- Department of Chemistry University of Illinois at Chicago 845 W Taylor St. MC 111 Chicago IL 60607 USA
| | - Abdullah S. Alshreimi
- Department of Chemistry University of Illinois at Chicago 845 W Taylor St. MC 111 Chicago IL 60607 USA
| | - Laura Alonso
- Department of Chemistry University of Illinois at Chicago 845 W Taylor St. MC 111 Chicago IL 60607 USA
| | - Alan Antar
- Department of Chemistry University of Illinois at Chicago 845 W Taylor St. MC 111 Chicago IL 60607 USA
| | - Hsien‐Cheng Yu
- Department of Chemistry University of Illinois at Chicago 845 W Taylor St. MC 111 Chicago IL 60607 USA
| | - Shahidul M. Islam
- Department of Chemistry University of Illinois at Chicago 845 W Taylor St. MC 111 Chicago IL 60607 USA
| | - Laura L. Anderson
- Department of Chemistry University of Illinois at Chicago 845 W Taylor St. MC 111 Chicago IL 60607 USA
| |
Collapse
|
152
|
Zhang G, Alshreimi AS, Alonso L, Antar A, Yu HC, Islam SM, Anderson LL. Nitrone and Alkyne Cascade Reactions for Regio- and Diastereoselective 1-Pyrroline Synthesis. Angew Chem Int Ed Engl 2021; 60:13089-13097. [PMID: 33763941 DOI: 10.1002/anie.202101511] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 03/06/2021] [Indexed: 12/22/2022]
Abstract
The synthesis of 1-pyrrolines from N-alkenylnitrones and alkynes has been explored as a retrosynthetic alternative to traditional approaches. These cascade reactions are formal [4+1] cycloadditions that proceed through a proposed dipolar cycloaddition and N-alkenylisoxazoline [3,3']-sigmatropic rearrangement. A variety of cyclic alkynes and terminal alkynes have been shown to undergo the transformation with N-alkenylnitrones under mild conditions to provide the corresponding spirocyclic and densely substituted 1-pyrrolines with high regio- and diastereoselectivity. Mechanistic studies provide insight into the balance of steric and electronic effects that promote the cascade process and control the diastereo- and regioisomeric preferences of the 1-pyrroline products. Diastereoselective derivatization of the 1-pyrrolines prepared by the cascade reaction demonstrate the divergent synthetic utility of the new method.
Collapse
Affiliation(s)
- Guanqun Zhang
- Department of Chemistry, University of Illinois at Chicago, 845 W Taylor St. MC 111, Chicago, IL, 60607, USA
| | - Abdullah S Alshreimi
- Department of Chemistry, University of Illinois at Chicago, 845 W Taylor St. MC 111, Chicago, IL, 60607, USA
| | - Laura Alonso
- Department of Chemistry, University of Illinois at Chicago, 845 W Taylor St. MC 111, Chicago, IL, 60607, USA
| | - Alan Antar
- Department of Chemistry, University of Illinois at Chicago, 845 W Taylor St. MC 111, Chicago, IL, 60607, USA
| | - Hsien-Cheng Yu
- Department of Chemistry, University of Illinois at Chicago, 845 W Taylor St. MC 111, Chicago, IL, 60607, USA
| | - Shahidul M Islam
- Department of Chemistry, University of Illinois at Chicago, 845 W Taylor St. MC 111, Chicago, IL, 60607, USA
| | - Laura L Anderson
- Department of Chemistry, University of Illinois at Chicago, 845 W Taylor St. MC 111, Chicago, IL, 60607, USA
| |
Collapse
|
153
|
Liu Y, Izzo JA, McLeod D, Ričko S, Svenningsen EB, Poulsen TB, Jørgensen KA. Organocatalytic Asymmetric Multicomponent Cascade Reaction for the Synthesis of Contiguously Substituted Tetrahydronaphthols. J Am Chem Soc 2021; 143:8208-8220. [PMID: 34028261 DOI: 10.1021/jacs.1c03923] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Isobenzopyrylium ions are unique, highly reactive, aromatic intermediates which are largely unexplored in asymmetric catalysis despite their high potential synthetic utility. In this study, an organocatalytic asymmetric multicomponent cascade via dienamine catalysis, involving a cycloaddition, a nucleophilic addition, and a ring-opening reaction, is disclosed. The reaction furnishes chiral tetrahydronaphthols containing four contiguous stereocenters in good to high yield, high diastereoselectivity (up to >20:1), and excellent enantioselectivity (93-98% ee). The obtained products are important synthetic intermediates, and it is demonstrated that they can be used for the generation of frameworks such as octahydrobenzo[h]isoquinoline and [2.2.2]octane scaffolds. Furthermore, mechanistic experiments involving oxygen-18-labeling studies and density functional theory calculations provide a vivid picture of the reaction mechanism. Finally, the bioactivity of 16 representative tetrahydronaphthol compounds has been evaluated in U-2OS cancer cells with some compounds showing a unique profile and a clear morphological change.
Collapse
Affiliation(s)
- Yidong Liu
- Department of Chemistry, Aarhus University, DK-8000 Aarhus C, Denmark
| | - Joseph A Izzo
- Department of Chemistry, Aarhus University, DK-8000 Aarhus C, Denmark
| | - David McLeod
- Department of Chemistry, Aarhus University, DK-8000 Aarhus C, Denmark
| | - Sebastijan Ričko
- Department of Chemistry, Aarhus University, DK-8000 Aarhus C, Denmark
| | | | - Thomas B Poulsen
- Department of Chemistry, Aarhus University, DK-8000 Aarhus C, Denmark
| | | |
Collapse
|
154
|
Guo F, Chen J, Huang Y. A Bifunctional N-Heterocyclic Carbene as a Noncovalent Organocatalyst for Enantioselective Aza-Michael Addition Reactions. ACS Catal 2021. [DOI: 10.1021/acscatal.1c01908] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Fangfang Guo
- State Key Laboratory of Chemical Oncogenomics, Peking University Shenzhen Graduate School, Shenzhen 518055, People’s Republic of China
| | - Jiean Chen
- Shenzhen Bay Laboratory, Shenzhen 518055, People’s Republic of China
| | - Yong Huang
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, People’s Republic of China
| |
Collapse
|
155
|
Comesse S, Alahyen I, Benhamou L, Dalla V, Taillier C. 20 Years of Forging N-Heterocycles from Acrylamides through Domino/Cascade Reactions. SYNTHESIS-STUTTGART 2021. [DOI: 10.1055/a-1503-7932] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
AbstractAcrylamides are versatile building blocks that are easily obtained from readily available starting materials. During the last 20 years, these valuable substrates bearing a nucleophilic nitrogen atom and an electrophilic double bond have proven to be efficient domino partners, leading to a wide variety of complex aza-heterocycles of synthetic relevance. In this non-exhaustive review, metal-free and metal-triggered reactions followed by an annulation will be presented; these two approaches allow good modulation of the reactivity of the polyvalent acrylamides.1 Introduction2 Metal-Free Annulations2.1 Domino Reactions Triggered by a Michael Addition2.2 Domino Reactions Triggered by an Aza-Michael Addition2.3 Domino Processes Triggered by an Acylation Reaction2.4 Domino Reactions Triggered by a Baylis–Hillman Reaction2.5 Cycloadditions and Domino Reactions2.6 Miscellaneous Domino Reactions3 Metal-Triggered/Mediated Annulations3.1 Zinc-Promoted Transformations3.2 Rhodium-Catalyzed Functionalization/Annulation Cascades3.3 Cobalt-Catalyzed Functionalization/Annulation Cascades3.4 Ruthenium-Catalyzed Functionalization/Annulation Cascades3.5 Iron-Catalyzed Functionalization/Annulation Cascades3.6 Palladium-Catalyzed Functionalization/Annulation Cascades3.7 Copper-Catalyzed Transformations3.8 Transition Metals Acting in Tandem in Domino Processes4 Radical Cascade Reactions5 Conclusion
Collapse
|
156
|
Duan XY, Tian Z, Liu B, He T, Zhao LL, Dong M, Zhang P, Qi J. Highly Enantioselective Synthesis of Pyrroloindolones and Pyrroloquinolinones via an N-Heterocyclic Carbene-Catalyzed Cascade Reaction. Org Lett 2021; 23:3777-3781. [PMID: 33891421 DOI: 10.1021/acs.orglett.1c01203] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
In this work, the NHC-catalyzed Michael/Mannich/lactamization cascade reaction of enals with either indole-2-carboxaldehyde-derived aldimines or indole-7-carboxaldehyde-derived aldimines is described. This protocol enables the rapid assembly of optically active pyrroloindolones and pyrroloquinolinones derivatives under mild conditions with high yields, excellent enantioselectivities, and a broad substrate scope.
Collapse
|
157
|
Cai Y, Zhu W, Zhao S, Dong C, Xu Z, Zhao Y. Difluorocarbene-Mediated Cascade Cyclization: The Multifunctional Role of Ruppert-Prakash Reagent. Org Lett 2021; 23:3546-3551. [PMID: 33913711 DOI: 10.1021/acs.orglett.1c00962] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A difluorocarbene-mediated cascade cyclization reaction for rapid access to gem-difluorinated 3-coumaranone derivatives was developed. The difluorocarbene acts as a bipolar CF2 building block, which enables a homologation cyclization process via sequentially reacting with the phenolate and the ester group on the same substrate. The potential application of this synthetic approach is demonstrated by a late-stage modification of diethylstilbestrol. Mechanistic studies revealed the multiple crucial roles played by the Ruppert-Prakash reagent.
Collapse
Affiliation(s)
- Yanyao Cai
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Ling-Ling Road, Shanghai 200032, China
| | - Wenjie Zhu
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Ling-Ling Road, Shanghai 200032, China
| | - Shujuan Zhao
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Ling-Ling Road, Shanghai 200032, China
| | - Chanjuan Dong
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Ling-Ling Road, Shanghai 200032, China
| | - Zhenchuang Xu
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Ling-Ling Road, Shanghai 200032, China
| | - Yanchuan Zhao
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Ling-Ling Road, Shanghai 200032, China.,Key Laboratory of Energy Regulation Materials, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Ling-Ling Road, Shanghai 200032, China
| |
Collapse
|
158
|
Organocatalytic asymmetric synthesis of pyrrolo[3,2-c]quinolines via a formal [3+2] cycloaddition-lactamization cascade reaction using a bifunctional squaramide catalyst. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132115] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
|
159
|
Juaristi E. Recent developments in next generation (S)-proline-derived chiral organocatalysts. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132143] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
|
160
|
Ge F, Zhang Q, Wang X. Synthetic and mechanistic aspects of anionic polymerization of methyl methacrylate using tetrabutyl ammonium thioimidate. JOURNAL OF POLYMER SCIENCE 2021. [DOI: 10.1002/pol.20200824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Fang Ge
- College of Chemistry and Chemical Engineering Qingdao University Qingdao China
| | - Qun Zhang
- School of Chemical Engineering University of Chinese Academy of Sciences Beijing China
| | - Xiaowu Wang
- Chinese‐German Faculty for Engineering Qingdao University of Science and Technology Qingdao China
| |
Collapse
|
161
|
Enantiodivergent synthesis of tricyclic chromans: Remote nucleophilic groups switch selectivity in catalytic asymmetric cascade reactions of trifunctional substrates. GREEN SYNTHESIS AND CATALYSIS 2021. [DOI: 10.1016/j.gresc.2021.04.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
|
162
|
Gumireddy A, DeBoyace K, Rupprecht A, Gupta M, Patel S, Flaherty PT, Wildfong PLD. Crystal structure of tert-butyl 4-[4-(4-fluoro-phen-yl)-2-methyl-but-3-yn-2-yl]piperazine-1-carboxyl-ate. Acta Crystallogr E Crystallogr Commun 2021; 77:360-365. [PMID: 33936758 PMCID: PMC8025862 DOI: 10.1107/s2056989021002346] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 03/01/2021] [Indexed: 11/20/2022]
Abstract
The title sterically congested piperazine derivative, C20H27FN2O2, was prepared using a modified Bruylants approach. A search of the Cambridge Structural Database identified 51 compounds possessing an N-tert-butyl piperazine substructure. Of these only 14 were asymmetrically substituted on the piperazine ring and none with a synthetically useful second nitro-gen. Given the novel chemistry generating a pharmacologically useful core, determination of the crystal structure for this compound was necessary. The piperazine ring is present in a chair conformation with di-equatorial substitution. Of the two N atoms, one is sp 3 hybridized while the other is sp 2 hybridized. Inter-molecular inter-actions resulting from the crystal packing patterns were investigated using Hirshfeld surface analysis and fingerprint analysis. Directional weak hydrogen-bond-like inter-actions (C-H⋯O) and C-H⋯π inter-actions with the dispersion inter-actions as the major source of attraction are present in the crystal packing.
Collapse
Affiliation(s)
- Ashwini Gumireddy
- Graduate School of Pharmaceutical Sciences, Duquesne University, 600 Forbes Ave, Pittsburgh, PA 15282, USA
| | - Kevin DeBoyace
- Graduate School of Pharmaceutical Sciences, Duquesne University, 600 Forbes Ave, Pittsburgh, PA 15282, USA
| | - Alexander Rupprecht
- Department of Chemistry, Duquesne University, 600 Forbes Ave, Pittsburgh, PA 15282, USA
| | - Mohit Gupta
- Graduate School of Pharmaceutical Sciences, Duquesne University, 600 Forbes Ave, Pittsburgh, PA 15282, USA
| | - Saloni Patel
- Graduate School of Pharmaceutical Sciences, Duquesne University, 600 Forbes Ave, Pittsburgh, PA 15282, USA
| | - Patrick T. Flaherty
- Graduate School of Pharmaceutical Sciences, Duquesne University, 600 Forbes Ave, Pittsburgh, PA 15282, USA
| | - Peter L. D. Wildfong
- Graduate School of Pharmaceutical Sciences, Duquesne University, 600 Forbes Ave, Pittsburgh, PA 15282, USA
| |
Collapse
|
163
|
Mei R, Xiong F, Yang C, Zhao J. Salicylic Acid‐Promoted Three‐Component Annulation of Benzimidazoles, Aryl Nitroalkenes and Elemental Sulfur. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202001564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Ruhuai Mei
- Key Laboratory of Coarse Cereal Processing Ministry of Agriculture and Rural Affairs Chengdu University Chengdu 610106 People's Republic of China
| | - Feng Xiong
- Key Laboratory of Coarse Cereal Processing Ministry of Agriculture and Rural Affairs Chengdu University Chengdu 610106 People's Republic of China
| | - Chenrui Yang
- Key Laboratory of Coarse Cereal Processing Ministry of Agriculture and Rural Affairs Chengdu University Chengdu 610106 People's Republic of China
| | - Jinwu Zhao
- School of Pharmacy Guangdong Medical University Dongguan 523808 People's Republic of China
| |
Collapse
|
164
|
Demirbas N, Demirbas A. Organocatalyzed Heterocyclic Transformations In Green Media: A Review. CURRENT ORGANOCATALYSIS 2021. [DOI: 10.2174/2213337207999200805115813] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Background:
Since the discovery of metal-free catalysts or organocatalysts about twenty
years ago, a number of small molecules with different structures have been used to accelerate organic
transformations. With the development of environmental awareness, to obtain highly efficient
scaffolds, scientists have directed their studies towards synthetic methodologies that minimize
or preferably eliminate the formation of waste, avoid toxic solvents and reagents and use renewable
starting materials as far as possible.
Methods:
In this connection, the organocatalytic reactions providing efficiency and selectivity for
most of the transformations have become an endless topic in organic chemistry since several advantages
from both practical and environmental standpoints. Organocatalysts contributing to the transformation
of reactants into products with the least possible waste production, have been serving the
concept of green chemistry.
Results and Conclusion:
Organocatalysts have been classified based on their binding capacity to
the substrate with covalent or noncovalent interactions involving hydrogen bonding and electrostatic
interaction. Diverse types of small organic compounds including proline and its derivatives,
phase-transfer catalysts, (thio)urease, phosphoric acids, sulfones, N-oxides, guanidines, cinchona
derivatives, aminoindanol, and amino acids have been utilized as hydrogen bonding organocatalysts
in different chemical transformations.
Collapse
Affiliation(s)
- Neslihan Demirbas
- Karadeniz Technical University, Department of Chemistry, 61080 Trabzon, Turkey
| | - Ahmet Demirbas
- Karadeniz Technical University, Department of Chemistry, 61080 Trabzon, Turkey
| |
Collapse
|
165
|
Stereoselective organocascades: from fundamentals to recent developments. PHYSICAL SCIENCES REVIEWS 2021. [DOI: 10.1515/psr-2018-0096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Reaction sequences where more bonds are sequentially formed (cascade reactions) may be started either by a stoichiometric or by a catalytic reagent, and proceed in an enantio- diastereo- or non-stereo- selective manner. A wide variety of such strategies has been developed, including both stoichiometric and catalytic ones.
Within the widely developed cascade reactions field, this chapter is not meant to be omni-comprehensive, but to offer an as much as possible complete overview on organocatalytic stereoselective methods. We embrace the more general definitions by Tietze and Denmark, considering as cascade reactions all those one-pot processes that involve two or more bond formations, where each subsequent step is enabled by a structural change caused by the previous one. We will include both two- and multi-component reactions where one or more organocatalysts may be responsible either for all or just some of the occurring transformations. Organocascades will be reported according to the number of involved catalytic cycles.
In the following paragraphs, only cascade reactions that are stereoselective by means of a chiral catalyst will be considered. It will be shown that multiple possibilities, relying on different catalysis modes, are available to achieve the same reaction sequence.
Collapse
|
166
|
Samser S, Biswal P, Meher SK, Venkatasubbaiah K. Palladium mediated one-pot synthesis of 3-aryl-cyclohexenones and 1,5-diketones from allyl alcohols and aryl ketones. Org Biomol Chem 2021; 19:1386-1394. [PMID: 33481973 DOI: 10.1039/d0ob02515a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
One-pot synthesis of Robinson annulated 3-aryl-cyclohexenones from allyl alcohols and ketones using palladium is reported. Long chain aliphatic or aryl substitutions at the C1 position of allyl alcohol result in the formation of 1,5-diketone products. This simple one-pot method avoids the use of highly electrophilic vinyl ketones.
Collapse
Affiliation(s)
- Shaikh Samser
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), HBNI, Bhubaneswar 752050, Odisha, India.
| | - Priyabrata Biswal
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), HBNI, Bhubaneswar 752050, Odisha, India.
| | - Sushanta Kumar Meher
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), HBNI, Bhubaneswar 752050, Odisha, India.
| | - Krishnan Venkatasubbaiah
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), HBNI, Bhubaneswar 752050, Odisha, India.
| |
Collapse
|
167
|
Teng F, Yu T, Peng Y, Hu W, Hu H, He Y, Luo S, Zhu Q. Palladium-Catalyzed Atroposelective Coupling–Cyclization of 2-Isocyanobenzamides to Construct Axially Chiral 2-Aryl- and 2,3-Diarylquinazolinones. J Am Chem Soc 2021; 143:2722-2728. [DOI: 10.1021/jacs.1c00640] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Fan Teng
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, 190 Kaiyuan Avenue, Guangzhou 510530, China
- University of Chinese Academy of Sciences, No. 19(A) Yuquan Road, Shijingshan District, Beijing 100049, China
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China
| | - Ting Yu
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, 190 Kaiyuan Avenue, Guangzhou 510530, China
- University of Chinese Academy of Sciences, No. 19(A) Yuquan Road, Shijingshan District, Beijing 100049, China
- Bioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory), Guangzhou 510005, China
| | - Yan Peng
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, 190 Kaiyuan Avenue, Guangzhou 510530, China
- University of Chinese Academy of Sciences, No. 19(A) Yuquan Road, Shijingshan District, Beijing 100049, China
- Bioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory), Guangzhou 510005, China
| | - Weiming Hu
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, 190 Kaiyuan Avenue, Guangzhou 510530, China
- University of Chinese Academy of Sciences, No. 19(A) Yuquan Road, Shijingshan District, Beijing 100049, China
| | - Huaanzi Hu
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, 190 Kaiyuan Avenue, Guangzhou 510530, China
- University of Chinese Academy of Sciences, No. 19(A) Yuquan Road, Shijingshan District, Beijing 100049, China
- Bioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory), Guangzhou 510005, China
| | - Yimiao He
- Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, College of Chemistry and Materials, Nanning Normal University, Nanning 530001, China
| | - Shuang Luo
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, 190 Kaiyuan Avenue, Guangzhou 510530, China
- University of Chinese Academy of Sciences, No. 19(A) Yuquan Road, Shijingshan District, Beijing 100049, China
- Bioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory), Guangzhou 510005, China
| | - Qiang Zhu
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, 190 Kaiyuan Avenue, Guangzhou 510530, China
- University of Chinese Academy of Sciences, No. 19(A) Yuquan Road, Shijingshan District, Beijing 100049, China
- Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, College of Chemistry and Materials, Nanning Normal University, Nanning 530001, China
- Bioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory), Guangzhou 510005, China
| |
Collapse
|
168
|
García-Urricelqui A, de Cózar A, Mielgo A, Palomo C. Probing α-Amino Aldehydes as Weakly Acidic Pronucleophiles: Direct Access to Quaternary α-Amino Aldehydes by an Enantioselective Michael Addition Catalyzed by Brønsted Bases. Chemistry 2021; 27:2483-2492. [PMID: 33034390 DOI: 10.1002/chem.202004468] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Indexed: 12/20/2022]
Abstract
The high tendency of α-amino aldehydes to undergo 1,2-additions and their relatively low stability under basic conditions have largely prevented their use as pronucleophiles in the realm of asymmetric catalysis, particularly for the production of quaternary α-amino aldehydes. Herein, it is demonstrated that the chemistry of α-amino aldehydes may be expanded beyond these limits by documenting the first direct α-alkylation of α-branched α-amino aldehydes with nitroolefins. The reaction produces densely functionalized products bearing up to two, quaternary and tertiary, vicinal stereocenters with high diastereo- and enantioselectivity. DFT modeling leads to the proposal that intramolecular hydrogen bonding between the NH group and the carbonyl oxygen atom in the starting α-amino aldehyde is key for reaction stereocontrol.
Collapse
Affiliation(s)
- Ane García-Urricelqui
- Departamento de Química Orgánica I, Universidad del País Vasco UPV/EHU, Manuel Lardizábal 3, 20018, San Sebastián, Spain
| | - Abel de Cózar
- Departamento de Química Orgánica I, Universidad del País Vasco UPV/EHU, Manuel Lardizábal 3, 20018, San Sebastián, Spain.,IKERBASQUE, Basque Foundation for Science, 48009, Bilbao, Spain
| | - Antonia Mielgo
- Departamento de Química Orgánica I, Universidad del País Vasco UPV/EHU, Manuel Lardizábal 3, 20018, San Sebastián, Spain
| | - Claudio Palomo
- Departamento de Química Orgánica I, Universidad del País Vasco UPV/EHU, Manuel Lardizábal 3, 20018, San Sebastián, Spain
| |
Collapse
|
169
|
Vetica F, Bortolami M, Petrucci R, Rocco D, Feroci M. Electrogenerated NHCs in Organic Synthesis: Ionic Liquids vs Organic Solvents Effects. CHEM REC 2021; 21:2130-2147. [PMID: 33507627 DOI: 10.1002/tcr.202000178] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 01/08/2021] [Indexed: 12/14/2022]
Abstract
In the last twenty years, N-heterocyclic carbenes (NHCs) have been extensively studied for their application as organocatalysts in stereoselective synthesis as well as ligands for transition metals-promoted synthetic methodologies. Derived mainly from azolium salts, NHCs have demonstrated exceptional versatility in their generation usually performed by deprotonation or reduction (chemical or electrochemical). In particular, the generation of NHC under electrochemical conditions, starting from azolium-based ionic liquids, has proven to be a successful green approach and demonstrated wide applicability in organic synthesis. In this Personal Account, the application of electrogenerated NHCs in organic synthesis will be discussed, with a particular attention to the different reactivity in ionic liquids compared to classical organic solvents.
Collapse
Affiliation(s)
- Fabrizio Vetica
- Department of Chemistry, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185, Rome, Italy
| | - Martina Bortolami
- Department of Basic and Applied Sciences for Engineering (SBAI), Sapienza University of Rome, Via Castro Laurenziano 7, 00161, Rome, Italy
| | - Rita Petrucci
- Department of Basic and Applied Sciences for Engineering (SBAI), Sapienza University of Rome, Via Castro Laurenziano 7, 00161, Rome, Italy
| | - Daniele Rocco
- Department of Basic and Applied Sciences for Engineering (SBAI), Sapienza University of Rome, Via Castro Laurenziano 7, 00161, Rome, Italy
| | - Marta Feroci
- Department of Basic and Applied Sciences for Engineering (SBAI), Sapienza University of Rome, Via Castro Laurenziano 7, 00161, Rome, Italy
| |
Collapse
|
170
|
Yunusova SN, Novikov AS, Soldatova NS, Vovk MA, Bolotin DS. Iodonium salts as efficient iodine(iii)-based noncovalent organocatalysts for Knorr-type reactions. RSC Adv 2021; 11:4574-4583. [PMID: 35424399 PMCID: PMC8694507 DOI: 10.1039/d0ra09640g] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Accepted: 01/05/2021] [Indexed: 12/11/2022] Open
Abstract
Hypervalent iodine(iii)-derivatives display higher catalytic activity than other aliphatic and aromatic iodine(i)- or bromine(i)-containing substrates for a Knorr-type reaction of N-acetyl hydrazides with acetyl acetone to give N-acyl pyrazoles. The highest activity was observed for dibenziodolium triflate, for which 10 mol% resulted in the generation of N-acyl pyrazole from acyl hydrazide and acetyl acetone typically at 50 °C for 3.5-6 h with up to 99% isolated yields. 1H NMR titration data and DFT calculations indicate that the catalytic activity of the iodine(iii) is caused by the binding with a ketone.
Collapse
Affiliation(s)
- Sevilya N Yunusova
- Institute of Chemistry, Saint Petersburg State University Universitetskaya Nab. 7/9 Saint Petersburg 199034 Russian Federation
| | - Alexander S Novikov
- Institute of Chemistry, Saint Petersburg State University Universitetskaya Nab. 7/9 Saint Petersburg 199034 Russian Federation
| | - Natalia S Soldatova
- Institute of Chemistry, Saint Petersburg State University Universitetskaya Nab. 7/9 Saint Petersburg 199034 Russian Federation
| | - Mikhail A Vovk
- Center for Magnetic Resonance, Saint Petersburg State University Universitetskii Pr., 26 Saint Petersburg 198504 Russian Federation
| | - Dmitrii S Bolotin
- Institute of Chemistry, Saint Petersburg State University Universitetskaya Nab. 7/9 Saint Petersburg 199034 Russian Federation
| |
Collapse
|
171
|
RETRACTED ARTICLE: The amine-catalysed Suzuki–Miyaura-type coupling of aryl halides and arylboronic acids. Nat Catal 2021. [DOI: 10.1038/s41929-020-00564-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
|
172
|
Jana S, Guo Y, Koenigs RM. Recent Perspectives on Rearrangement Reactions of Ylides via Carbene Transfer Reactions. Chemistry 2021; 27:1270-1281. [PMID: 32754993 PMCID: PMC7894496 DOI: 10.1002/chem.202002556] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 07/29/2020] [Indexed: 01/24/2023]
Abstract
Among the available methods to increase the molecular complexity, sigmatropic rearrangements occupy a distinct position in organic synthesis. Despite being known for over a century sigmatropic rearrangement reactions of ylides via carbene transfer reaction have only recently come of age. Most of the ylide mediated rearrangement processes involve rupture of a σ-bond and formation of a new bond between π-bond and negatively charged atom followed by simultaneous redistribution of π-electrons. This minireview describes the advances in this research area made in recent years, which now opens up metal-catalyzed enantioselective sigmatropic rearrangement reactions, metal-free photochemical rearrangement reactions and novel reaction pathways that can be accessed via ylide intermediates.
Collapse
Affiliation(s)
- Sripati Jana
- Institute of Organic ChemistryRWTH Aachen UniversityLandoltweg 152074AachenGermany
| | - Yujing Guo
- Institute of Organic ChemistryRWTH Aachen UniversityLandoltweg 152074AachenGermany
| | - Rene M. Koenigs
- Institute of Organic ChemistryRWTH Aachen UniversityLandoltweg 152074AachenGermany
| |
Collapse
|
173
|
Li M, Yang J, Yang Y, Xu G, Luo G, Yang J, Bäckvall J. Amino‐Supported Palladium Catalyst for Chemo‐ and Stereoselective Domino Reactions. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202011708] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Man‐Bo Li
- Institute of Physical Science and Information Technology Anhui University Hefei Anhui 230601 P. R. China
| | - Jie Yang
- Department of Organic Chemistry Arrhenius Laboratory Stockholm University SE-10691 Stockholm Sweden
| | - Ying Yang
- Institute of Physical Science and Information Technology Anhui University Hefei Anhui 230601 P. R. China
| | - Guo‐Yong Xu
- Institute of Physical Science and Information Technology Anhui University Hefei Anhui 230601 P. R. China
| | - Gen Luo
- Institute of Physical Science and Information Technology Anhui University Hefei Anhui 230601 P. R. China
| | - Jianping Yang
- School of Materials Science and Engineering Jiangsu University of Science and Technology Zhenjiang 212003 P. R. China
| | - Jan‐E. Bäckvall
- Department of Organic Chemistry Arrhenius Laboratory Stockholm University SE-10691 Stockholm Sweden
- Department of Natural Sciences Mid Sweden University SE-85170 Sundsvall Sweden
| |
Collapse
|
174
|
Li M, Yang J, Yang Y, Xu G, Luo G, Yang J, Bäckvall J. Amino-Supported Palladium Catalyst for Chemo- and Stereoselective Domino Reactions. Angew Chem Int Ed Engl 2021; 60:670-674. [PMID: 32969105 PMCID: PMC7839730 DOI: 10.1002/anie.202011708] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 09/20/2020] [Indexed: 11/06/2022]
Abstract
A solid amino-supported palladium catalyst is used in an oxidative domino reaction for the diastereoselective construction of alkyne-substituted cyclopentenol compounds. This heterogeneous catalyst exhibits high efficiency and excellent chemoselectivity, as well as good recyclability. The chemoselectivity of the domino reactions was readily controlled by switching the solvent and catalyst. Asymmetric syntheses and an oxidative carbocyclization-borylation reaction have also been developed based on the heterogeneous palladium catalyst.
Collapse
Affiliation(s)
- Man‐Bo Li
- Institute of Physical Science and Information TechnologyAnhui UniversityHefeiAnhui230601P. R. China
| | - Jie Yang
- Department of Organic ChemistryArrhenius LaboratoryStockholm UniversitySE-10691StockholmSweden
| | - Ying Yang
- Institute of Physical Science and Information TechnologyAnhui UniversityHefeiAnhui230601P. R. China
| | - Guo‐Yong Xu
- Institute of Physical Science and Information TechnologyAnhui UniversityHefeiAnhui230601P. R. China
| | - Gen Luo
- Institute of Physical Science and Information TechnologyAnhui UniversityHefeiAnhui230601P. R. China
| | - Jianping Yang
- School of Materials Science and EngineeringJiangsu University of Science and TechnologyZhenjiang212003P. R. China
| | - Jan‐E. Bäckvall
- Department of Organic ChemistryArrhenius LaboratoryStockholm UniversitySE-10691StockholmSweden
- Department of Natural SciencesMid Sweden UniversitySE-85170SundsvallSweden
| |
Collapse
|
175
|
Kondoh A, Terada M. Brønsted Base-Catalyzed Formal Reductive [3+2] Annulation of 4,4,4-Trifluorocrotonate and α-Iminoketones. Chemistry 2021; 27:585-588. [PMID: 32869872 DOI: 10.1002/chem.202002943] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 08/27/2020] [Indexed: 02/01/2023]
Abstract
A formal reductive [3+2] annulation of 4,4,4-trifluorocrotonate and α-iminoketones was developed under Brønsted base catalysis. A single phosphazene base efficiently catalyzes the one-pot tandem reaction involving two mechanistically different elementary processes, namely the chemoselective reduction of an imine moiety of α-iminoketones with thiols as the reductant and the subsequent intermolecular Michael addition of an enolate of α-aminoketones concomitant with lactam formation. This operationally simple method provides β-trifluoromethyl-substituted γ-lactams with a tetrasubstituted carbon as a single diastereomer.
Collapse
Affiliation(s)
- Azusa Kondoh
- Research and Analytical Center for Giant Molecules, Graduate School of Science, Tohoku University, Aramaki, Aoba-ku, Sendai, 980-8578, Japan
| | - Masahiro Terada
- Department of Chemistry, Graduate School of Science, Tohoku University, Aramaki, Aoba-ku, Sendai, 980-8578, Japan
| |
Collapse
|
176
|
Chawla R, Jaiswal S, Dutta PK, Yadav LDS. A photocatalyst-free visible-light-mediated solvent-switchable route to stilbenes/vinyl sulfones from β-nitrostyrenes and arylazo sulfones. Org Biomol Chem 2021; 19:6487-6492. [PMID: 34241618 DOI: 10.1039/d1ob01028j] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Photocatalyst-free visible-light-mediated reactions, based on the presence of a visible-light-absorbing functional group in the starting material itself in order to exclude the often costly, hazardous, degradable and difficult to remove or recover photoredox catalysts, have been gaining momentum recently. We have employed this approach to develop a denitrative photocatalyst-free visible-light-mediated protocol for the arylation/sulfonylation of β-nitrostyrenes employing arylazo sulfones (bench-stable photolabile compounds) in a switchable solvent-controlled manner. Arylazo sulfones served as the aryl and sulfonyl radical precursors under blue LED irradiation for the synthesis of trans-stilbenes and (E)-vinyl sulfones in CH3CN and dioxane/H2O 2 : 1, respectively. The absence of any metal, photocatalyst and additive; excellent selectivity (E-stereochemistry) and solvent-switchability; and the use of visible light and ambient temperature are the prime assets of the developed method. Moreover, we report the first photocatalyst-free visible light-driven route to synthesize stilbenes and vinyl sulfones from readily available β-nitrostyrenes.
Collapse
Affiliation(s)
- Ruchi Chawla
- Polymer Research Laboratory, Department of Chemistry, Motilal Nehru National Institute of Technology Allahabad, Prayagraj 211004, India.
| | - Shefali Jaiswal
- Polymer Research Laboratory, Department of Chemistry, Motilal Nehru National Institute of Technology Allahabad, Prayagraj 211004, India.
| | - P K Dutta
- Polymer Research Laboratory, Department of Chemistry, Motilal Nehru National Institute of Technology Allahabad, Prayagraj 211004, India.
| | - Lal Dhar S Yadav
- Green Synthesis Lab, Department of Chemistry, University of Allahabad, Prayagraj 211002, India
| |
Collapse
|
177
|
Li X, Zheng L, Gong X, Chang H, Gao W, Wei W. NBS/DBU-Promoted One-Pot Three-Component Cycloaddition of Malonic Acid Derivatives, Nitrosoarenes, and Alkenes: Synthesis of Isoxazolidines. J Org Chem 2021; 86:1096-1107. [PMID: 33342207 DOI: 10.1021/acs.joc.0c02567] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
A general DBU-mediated one-pot three-component cycloaddition reaction of easily accessible malonic acid derivatives, nitrosoarenes, and alkenes has been successfully established with the aid of NBS to provide direct access to highly functionalized isoxazolidine derivatives with generally good to excellent yields, broad functional group tolerance, and excellent regio- and diastereo-selectivities under mild conditions. The mechanism study shows that the NBS-mediated formation of bromomalonic acid derivatives from malonic acid derivatives and DBU-promoted synthesis of nitrone intermediates via the reaction of bromomalonic acid derivatives with nitrosoarenes are key steps.
Collapse
Affiliation(s)
- Xing Li
- Department of Biomedical Engineering, Taiyuan University of Technology, 79 West Yingze Street, Taiyuan 030024, People's Republic of China
| | - Leijie Zheng
- Department of Biomedical Engineering, Taiyuan University of Technology, 79 West Yingze Street, Taiyuan 030024, People's Republic of China
| | - Xiaolei Gong
- Department of Biomedical Engineering, Taiyuan University of Technology, 79 West Yingze Street, Taiyuan 030024, People's Republic of China
| | - Honghong Chang
- Department of Biomedical Engineering, Taiyuan University of Technology, 79 West Yingze Street, Taiyuan 030024, People's Republic of China
| | - Wenchao Gao
- Department of Biomedical Engineering, Taiyuan University of Technology, 79 West Yingze Street, Taiyuan 030024, People's Republic of China
| | - Wenlong Wei
- Department of Biomedical Engineering, Taiyuan University of Technology, 79 West Yingze Street, Taiyuan 030024, People's Republic of China
| |
Collapse
|
178
|
Kumar S, Nunewar S, Oluguttula S, Nanduri S, Kanchupalli V. Recent advances in Rh(iii)/Ir(iii)-catalyzed C–H functionalization/annulation via carbene migratory insertion. Org Biomol Chem 2021; 19:1438-1458. [DOI: 10.1039/d0ob02309d] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The review highlighted diverse annulations, including nitrogen, oxygen, sulfur heterocycles and carbocylizations via Rh(iii)/Ir(iii)-catalyzed C–H functionalization/annulation with various arene and carbene precursors.
Collapse
Affiliation(s)
- Sanjeev Kumar
- Department of Process Chemistry
- National Institute of Pharmaceutical Education and Research (NIPER)
- Hyderabad 500 037
- India
| | - Saiprasad Nunewar
- Department of Process Chemistry
- National Institute of Pharmaceutical Education and Research (NIPER)
- Hyderabad 500 037
- India
| | - Srilekha Oluguttula
- Department of Process Chemistry
- National Institute of Pharmaceutical Education and Research (NIPER)
- Hyderabad 500 037
- India
| | - Srinivas Nanduri
- Department of Process Chemistry
- National Institute of Pharmaceutical Education and Research (NIPER)
- Hyderabad 500 037
- India
| | - Vinaykumar Kanchupalli
- Department of Process Chemistry
- National Institute of Pharmaceutical Education and Research (NIPER)
- Hyderabad 500 037
- India
| |
Collapse
|
179
|
Tu MS, Chen KW, Wu P, Zhang YC, Liu XQ, Shi F. Advances in organocatalytic asymmetric reactions of vinylindoles: powerful access to enantioenriched indole derivatives. Org Chem Front 2021. [DOI: 10.1039/d0qo01643h] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
This review summarizes advances in vinylindole-based organocatalytic asymmetric reactions since 2008 and includes the applications of some methodologies in the total synthesis of natural products, points out remaining challenges in this research area.
Collapse
Affiliation(s)
- Man-Su Tu
- School of Chemistry and Materials Science
- the Key Laboratory of Biotechnology for Medicinal Plants of Jiangsu Province
- Jiangsu Normal University
- Xuzhou
- China
| | - Ke-Wei Chen
- School of Chemistry and Materials Science
- the Key Laboratory of Biotechnology for Medicinal Plants of Jiangsu Province
- Jiangsu Normal University
- Xuzhou
- China
| | - Ping Wu
- School of Chemistry and Materials Science
- the Key Laboratory of Biotechnology for Medicinal Plants of Jiangsu Province
- Jiangsu Normal University
- Xuzhou
- China
| | - Yu-Chen Zhang
- School of Chemistry and Materials Science
- the Key Laboratory of Biotechnology for Medicinal Plants of Jiangsu Province
- Jiangsu Normal University
- Xuzhou
- China
| | - Xiao-Qin Liu
- School of Chemistry and Materials Science
- the Key Laboratory of Biotechnology for Medicinal Plants of Jiangsu Province
- Jiangsu Normal University
- Xuzhou
- China
| | - Feng Shi
- School of Chemistry and Materials Science
- the Key Laboratory of Biotechnology for Medicinal Plants of Jiangsu Province
- Jiangsu Normal University
- Xuzhou
- China
| |
Collapse
|
180
|
Zhang W, Wei S, Wang W, Qu J, Wang B. Catalytic asymmetric construction of C-4 alkenyl substituted pyrazolone derivatives bearing multiple stereoelements. Chem Commun (Camb) 2021; 57:6550-6553. [DOI: 10.1039/d1cc01123e] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
An organocatalytic asymmetric process was reported for the sterically precise construction of C-4 alkenyl substituted pyrazolone derivatives bearing multiple stereoelements.
Collapse
Affiliation(s)
- Wande Zhang
- State Key Laboratory of Fine Chemicals
- Department of Pharmaceutical Sciences
- School of Chemical Engineering
- Dalian University of Technology
- Dalian 116024
| | - Shiqiang Wei
- State Key Laboratory of Fine Chemicals
- Department of Pharmaceutical Sciences
- School of Chemical Engineering
- Dalian University of Technology
- Dalian 116024
| | - Wenyao Wang
- State Key Laboratory of Fine Chemicals
- Department of Pharmaceutical Sciences
- School of Chemical Engineering
- Dalian University of Technology
- Dalian 116024
| | - Jingping Qu
- State Key Laboratory of Fine Chemicals
- Department of Pharmaceutical Sciences
- School of Chemical Engineering
- Dalian University of Technology
- Dalian 116024
| | - Baomin Wang
- State Key Laboratory of Fine Chemicals
- Department of Pharmaceutical Sciences
- School of Chemical Engineering
- Dalian University of Technology
- Dalian 116024
| |
Collapse
|
181
|
Zhu X, Li X, Li X, Lv J, Sun K, Song X, Yang D. Decarboxylative C–H alkylation of heteroarenes by copper catalysis. Org Chem Front 2021. [DOI: 10.1039/d1qo00210d] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A copper-catalyzed decarboxylative C–H alkylation of heteroarenes with alkyl carboxylic acids has been realized.
Collapse
Affiliation(s)
- Xiaolong Zhu
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science
- MOE
- College of Chemistry and Molecular Engineering
- Qingdao University of Science and Technology
- Qingdao
| | - Xuan Li
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science
- MOE
- College of Chemistry and Molecular Engineering
- Qingdao University of Science and Technology
- Qingdao
| | - Xuehao Li
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science
- MOE
- College of Chemistry and Molecular Engineering
- Qingdao University of Science and Technology
- Qingdao
| | - Jian Lv
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science
- MOE
- College of Chemistry and Molecular Engineering
- Qingdao University of Science and Technology
- Qingdao
| | - Kai Sun
- College of Chemistry and Chemical Engineering
- YanTai University
- Yantai
- P. R. China
| | - Xiuyan Song
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science
- MOE
- College of Chemistry and Molecular Engineering
- Qingdao University of Science and Technology
- Qingdao
| | - Daoshan Yang
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science
- MOE
- College of Chemistry and Molecular Engineering
- Qingdao University of Science and Technology
- Qingdao
| |
Collapse
|
182
|
Yang Q, Yan XT, Feng CT, Chen DX, Yan ZZ, Xu K. Tandem Strecker/C(sp 3)–H amination reactions for the construction of cyanide-functionalized imidazo[1,5- a]pyridines with NH 4SCN as a cyanating agent. Org Chem Front 2021. [DOI: 10.1039/d1qo01060c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
An I2O5-mediated multicomponent reaction that allows the single-step construction of cyano-functionalized imidazo[1,5-a]pyridines with molecular diversity was realized for the first time.
Collapse
Affiliation(s)
- Qing Yang
- School of Pharmacy, Anhui University of Chinese Medicine; Anhui academy of Chinese medicine, Hefei, 230012, China
- Anhui University of Science and Technology, Huainan, 232001, China
| | - Xiao-Tong Yan
- Anhui University of Science and Technology, Huainan, 232001, China
| | - Cheng-Tao Feng
- School of Pharmacy, Anhui University of Chinese Medicine; Anhui academy of Chinese medicine, Hefei, 230012, China
- Anhui University of Science and Technology, Huainan, 232001, China
| | - De-Xiang Chen
- Anhui University of Science and Technology, Huainan, 232001, China
| | - Zhong-Zhong Yan
- Anhui University of Science and Technology, Huainan, 232001, China
| | - Kun Xu
- Faculty of Environment and Life, Beijing University of Technology, Beijing, 100124, China
| |
Collapse
|
183
|
Liao J, Yang X, Ouyang L, Lai Y, Huang J, Luo R. Recent advances in cascade radical cyclization of radical acceptors for the synthesis of carbo- and heterocycles. Org Chem Front 2021. [DOI: 10.1039/d0qo01453b] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
This review is devoted to highlighting main achievements in the development of cascade radical cyclization of radical acceptors for the synthesis of carbo- and heterocycles.
Collapse
Affiliation(s)
- Jianhua Liao
- School of Pharmaceutical Sciences
- Gannan Medical University
- Ganzhou
- P. R. China
| | - Xiao Yang
- School of Pharmaceutical Sciences
- Gannan Medical University
- Ganzhou
- P. R. China
| | - Lu Ouyang
- School of Pharmaceutical Sciences
- Gannan Medical University
- Ganzhou
- P. R. China
| | - Yinlong Lai
- College of Chemistry and Environmental Engineering
- Shaoguan University
- Shaoguan 512005
- China
| | - Jiuzhong Huang
- School of Pharmaceutical Sciences
- Gannan Medical University
- Ganzhou
- P. R. China
| | - Renshi Luo
- School of Pharmaceutical Sciences
- Gannan Medical University
- Ganzhou
- P. R. China
| |
Collapse
|
184
|
Wang Y, Cobo AA, Franz AK. Recent advances in organocatalytic asymmetric multicomponent cascade reactions for enantioselective synthesis of spirooxindoles. Org Chem Front 2021. [DOI: 10.1039/d1qo00220a] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Catalytic asymmetric MCCRs for enantioselective synthesis of spirooxindoles by using chiral phosphoric acids, amines, bifunctional thiourea/squaramides and metal-based reagents as catalysts.
Collapse
Affiliation(s)
- Yongchao Wang
- Colleage of Vocational and Technical Education
- Yunnan Normal University
- Kunming 650092
- P. R. China
| | - Angel A. Cobo
- Department of Chemistry
- University of California
- Davis
- USA
| | | |
Collapse
|
185
|
Wang G, Li X, Wang X, Zhang K. Efficient cascade reactions for luminescent pyrylium biolabels catalysed by light rare-earth elements. NEW J CHEM 2021. [DOI: 10.1039/d1nj01793d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Luminescent pyrylium salts have been efficiently synthesized from cascade reactions, coupled to supramolecular assembly and used for protein labeling.
Collapse
Affiliation(s)
- Guangming Wang
- Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules
- Shanghai Institute of Organic Chemistry
- University of Chinese Academy of Sciences
- Chinese Academy of Sciences
- 345 Lingling Road
| | - Xun Li
- Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules
- Shanghai Institute of Organic Chemistry
- University of Chinese Academy of Sciences
- Chinese Academy of Sciences
- 345 Lingling Road
| | - Xuepu Wang
- Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules
- Shanghai Institute of Organic Chemistry
- University of Chinese Academy of Sciences
- Chinese Academy of Sciences
- 345 Lingling Road
| | - Kaka Zhang
- Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules
- Shanghai Institute of Organic Chemistry
- University of Chinese Academy of Sciences
- Chinese Academy of Sciences
- 345 Lingling Road
| |
Collapse
|
186
|
Zhang XL, Feng KX, Hu JL, Shen QY, Huang WS, Xia AB, Li C, Xu DQ. One-pot asymmetric synthesis of a hexahydrophenanthridine scaffold containing five stereocenters via an organocatalytic quadruple-cascade reaction. NEW J CHEM 2021. [DOI: 10.1039/d0nj03946b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
An organocatalytic enantioselective aza-Michael-Michael-Michael/aldol cyclization quadruple-cascade reaction of 2-amino-β-nitrostyrenes and α,β-unsaturated aldehydes has been developed for the construction of fully substituted hexahydrophenanthridine.
Collapse
Affiliation(s)
- Xiao-Long Zhang
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology
- Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province
- Zhejiang University of Technology
- Hangzhou 310014
- P. R. China
| | - Kai-Xiang Feng
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology
- Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province
- Zhejiang University of Technology
- Hangzhou 310014
- P. R. China
| | - Jian-Liang Hu
- Hangzhou Grascent Co., Ltd
- Meicheng Town 311604
- P. R. China
| | - Qiao-Yu Shen
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology
- Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province
- Zhejiang University of Technology
- Hangzhou 310014
- P. R. China
| | | | - Ai-Bao Xia
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology
- Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province
- Zhejiang University of Technology
- Hangzhou 310014
- P. R. China
| | - Chen Li
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology
- Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province
- Zhejiang University of Technology
- Hangzhou 310014
- P. R. China
| | - Dan-Qian Xu
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology
- Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province
- Zhejiang University of Technology
- Hangzhou 310014
- P. R. China
| |
Collapse
|
187
|
Tsujihara T, Kawano T, Suzuki T. Catalytic and Diastereoselective Cascade Reaction for the Preparation of cis-1,3-Disubstituted Isoindoline-Aminal Hybrid Compounds. HETEROCYCLES 2021. [DOI: 10.3987/com-21-14404] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
|
188
|
Varlet T, Masson G. Enamides and dienamides in phosphoric acid-catalysed enantioselective cycloadditions for the synthesis of chiral amines. Chem Commun (Camb) 2021; 57:4089-4105. [DOI: 10.1039/d1cc00590a] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
This feature article describes how enamides and dienamides can participate in chiral phosphoric acid catalyzed enantioselective cycloadditions to prepare a wide range of cyclic amines.
Collapse
Affiliation(s)
- Thomas Varlet
- Université Paris-Saclay
- Institut de Chimie des Substances Naturelles
- ICSN-CNRS UPR 2301
- 91198 Gif-sur-Yvette
- France
| | - Géraldine Masson
- Université Paris-Saclay
- Institut de Chimie des Substances Naturelles
- ICSN-CNRS UPR 2301
- 91198 Gif-sur-Yvette
- France
| |
Collapse
|
189
|
Shi L, Wen M, Li F. Palladium‐Catalyzed
Tandem Carbonylative
Aza‐Wacker‐Type
Cyclization of Nucleophile Tethered Alkene to Access Fused
N
‐Heterocycles. CHINESE J CHEM 2020. [DOI: 10.1002/cjoc.202000491] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Lijun Shi
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences Lanzhou Gansu 730000 China
- University of the Chinese Academy of Sciences Beijing 100049 China
| | - Mingshan Wen
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences Lanzhou Gansu 730000 China
| | - Fuwei Li
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences Lanzhou Gansu 730000 China
| |
Collapse
|
190
|
Begum Z, Sannabe H, Seki C, Okuyama Y, Kwon E, Uwai K, Tokiwa M, Tokiwa S, Takeshita M, Nakano H. Simple primary β-amino alcohols as organocatalysts for the asymmetric Michael addition of β-keto esters to nitroalkenes. RSC Adv 2020; 11:203-209. [PMID: 35423042 PMCID: PMC8690173 DOI: 10.1039/d0ra09041g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Accepted: 12/03/2020] [Indexed: 11/21/2022] Open
Abstract
Simple primary β-amino alcohols act as an efficient organocatalysts in the asymmetric Michael addition of β-keto esters with nitroalkenes affording highly pure chiral Michael adducts. Also, both enantiomers of the adducts were obtained, depending on the specific catalyst used and reaction temperature.
Collapse
Affiliation(s)
- Zubeda Begum
- Division of Sustainable and Environmental Engineering, Graduate School of Engineering, Muroran Institute of Technology 27-1 Mizumoto-cho Muroran 050-8585
| | - Haruka Sannabe
- Division of Sustainable and Environmental Engineering, Graduate School of Engineering, Muroran Institute of Technology 27-1 Mizumoto-cho Muroran 050-8585
| | - Chigusa Seki
- Division of Sustainable and Environmental Engineering, Graduate School of Engineering, Muroran Institute of Technology 27-1 Mizumoto-cho Muroran 050-8585
| | - Yuko Okuyama
- Tohoku Medical and Pharmaceutical University 4-4-1 Komatsushima, Aoba-Ku Sendai 981-8558 Japan
| | - Eunsang Kwon
- Research and Analytical Center for Giant Molecules, Graduate School of Sciences, Tohoku University 6-3 Aoba, Aramaki, Aoba-Ku Sendai 980-8578 Japan
| | - Koji Uwai
- Division of Sustainable and Environmental Engineering, Graduate School of Engineering, Muroran Institute of Technology 27-1 Mizumoto-cho Muroran 050-8585
| | - Michio Tokiwa
- Tokiwakai Group 62 Numajiri Tsuduri-Chou Uchigo Iwaki 973-8053 Japan
| | - Suguru Tokiwa
- Tokiwakai Group 62 Numajiri Tsuduri-Chou Uchigo Iwaki 973-8053 Japan
| | | | - Hiroto Nakano
- Division of Sustainable and Environmental Engineering, Graduate School of Engineering, Muroran Institute of Technology 27-1 Mizumoto-cho Muroran 050-8585
| |
Collapse
|
191
|
Escolano M, Torres Fernández J, Rabasa-Alcañiz F, Sánchez-Roselló M, Pozo CD. Enantioselective Synthesis of Pyrrolizidinone Scaffolds through Multiple-Relay Catalysis. Org Lett 2020; 22:9433-9438. [PMID: 33253590 DOI: 10.1021/acs.orglett.0c03344] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A triple-tandem protocol for the synthesis of the pyrrolizidinone skeleton has been devised. It involves a cross metathesis-intramolecular aza-Michael reaction-intramolecular Michael addition tandem sequence, starting from N-pentenyl-4-oxo-2-alkenamides and conjugated ketones. In the presence of two cooperative catalysts, namely the second-generation Hoveyda-Grubbs catalyst and (R)-TRIP-derived BINOL phosphoric acid, this multiple-relay catalytic process takes place in good yields and outstanding levels of diastero- and enantioselectivity with the simultaneous generation of three contiguous stereocenters.
Collapse
Affiliation(s)
- Marcos Escolano
- Department of Organic Chemistry, University of Valencia, Avda Vicente Andrés Estellés s/n, 46100 Burjassot-Valencia, Spain
| | - Javier Torres Fernández
- Department of Organic Chemistry, University of Valencia, Avda Vicente Andrés Estellés s/n, 46100 Burjassot-Valencia, Spain
| | - Fernando Rabasa-Alcañiz
- Department of Organic Chemistry, University of Valencia, Avda Vicente Andrés Estellés s/n, 46100 Burjassot-Valencia, Spain
| | - María Sánchez-Roselló
- Department of Organic Chemistry, University of Valencia, Avda Vicente Andrés Estellés s/n, 46100 Burjassot-Valencia, Spain
| | - Carlos Del Pozo
- Department of Organic Chemistry, University of Valencia, Avda Vicente Andrés Estellés s/n, 46100 Burjassot-Valencia, Spain
| |
Collapse
|
192
|
Kazemnejadi M, Ahmed RO, Mahmoudi B. Ni/Pd-catalyzed Suzuki-Miyaura cross-coupling of alcohols and aldehydes and C-N cross-coupling of nitro and amines via domino redox reactions: base-free, hydride acceptor-free. RSC Adv 2020; 10:43962-43974. [PMID: 35517161 PMCID: PMC9058410 DOI: 10.1039/d0ra08344e] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 11/18/2020] [Indexed: 02/04/2023] Open
Abstract
Domino oxidation-Suzuki-Miyaura cross-coupling of benzyl alcohols with phenylboronic acid and domino reduction-C-N cross-coupling of the nitro compounds with aryl halides were carried out using a strong Ni/Pd bimetallic redox catalyst. The catalyst bearing a copolymer with two Ni/Pd coordinated metals in porphyrin (derived from demetalated chlorophyll b) and salen-type ligands, and pyridine moiety as a base functionality all immobilized on magnetite NPs was synthesised and characterized. The domino oxidation cross-coupling reaction was accomplished under molecular O2 in the absence of any hydride acceptor or/and base. Also, the domino reduction C-N cross-coupling reaction was performed in the presence of NaBH4 without the need for any base and co-reductant. This multifunctional catalyst gave moderate to good yields for both coupling reactions with high chemoselectivity. A wide investigation was conducted to determine its mechanism and chemoselectivity.
Collapse
Affiliation(s)
- Milad Kazemnejadi
- Department of Chemistry, College of Science, Shiraz University Shiraz 7194684795 Iran
| | | | - Boshra Mahmoudi
- Research Center, Sulaimani Polytechnic University Sulaimani Iraq
| |
Collapse
|
193
|
Mitkari SB, Medina-Ortíz A, Olivares-Romero JL, Vázquez MA, Peña-Cabrera E, Villegas Gómez C, Cruz Cruz D. Organocatalytic Cascade Reactions for the Diversification of Thiopyrano-Piperidone Fused Rings Utilizing Trienamine Activation. Chemistry 2020; 27:618-621. [PMID: 33169452 DOI: 10.1002/chem.202004553] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 11/05/2020] [Indexed: 11/10/2022]
Abstract
An aminocatalytic privileged diversity-oriented synthesis (ApDOS) strategy utilizing trienamine catalysis for the construction of diverse and complex thiopyrans-piperidone fused rings through a thia-Diels-Alder/nucleophilic ring-closing sequence by using dithioamides as activated heterodienophiles is reported. Following this strategy, a super cascade reaction to assemble nine fused rings can be achieved by employing a bis-dithioamide. Additionally, by linking an indole moiety on the dithioamide, a Pictet-Spengler type reaction can be promoted once the cascade sequence has been achieved, leading to more complex penta- hexa- and heptacyclic fused ring derivatives in a one-pot process. This investigation opens new perspectives for the synthesis of a new class of complex and diverse thiopyrans that contribute to populate new relevant regions in the chemical space.
Collapse
Affiliation(s)
- Suhas Balasaheb Mitkari
- Departamento de Química, División de Ciencias NaturalesyExactas, Universidad de Guanajuato, Noria Alta S/N, 36050 Guanajuato, Gto., México
| | - Alberto Medina-Ortíz
- Departamento de Química, División de Ciencias NaturalesyExactas, Universidad de Guanajuato, Noria Alta S/N, 36050 Guanajuato, Gto., México
| | - José Luis Olivares-Romero
- Red de Estudios Moleculares Avanzados, Instituto de Ecología A.C., Carretera Antigua a Coatepec 351, El Haya, Xalapa, Ver., 91070, México
| | - Miguel A Vázquez
- Departamento de Química, División de Ciencias NaturalesyExactas, Universidad de Guanajuato, Noria Alta S/N, 36050 Guanajuato, Gto., México
| | - Eduardo Peña-Cabrera
- Departamento de Química, División de Ciencias NaturalesyExactas, Universidad de Guanajuato, Noria Alta S/N, 36050 Guanajuato, Gto., México
| | - Clarisa Villegas Gómez
- Departamento de Química, División de Ciencias NaturalesyExactas, Universidad de Guanajuato, Noria Alta S/N, 36050 Guanajuato, Gto., México
| | - David Cruz Cruz
- Departamento de Química, División de Ciencias NaturalesyExactas, Universidad de Guanajuato, Noria Alta S/N, 36050 Guanajuato, Gto., México
| |
Collapse
|
194
|
Huang W, Meng F. Cobalt‐Catalyzed Diastereo‐ and Enantioselective Hydroalkylation of Cyclopropenes with Cobalt Homoenolates. Angew Chem Int Ed Engl 2020; 60:2694-2698. [DOI: 10.1002/anie.202012122] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Indexed: 12/27/2022]
Affiliation(s)
- Wei Huang
- State Key Laboratory of Organometallic Chemistry Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Fanke Meng
- State Key Laboratory of Organometallic Chemistry Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| |
Collapse
|
195
|
Huang W, Meng F. Cobalt‐Catalyzed Diastereo‐ and Enantioselective Hydroalkylation of Cyclopropenes with Cobalt Homoenolates. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202012122] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Wei Huang
- State Key Laboratory of Organometallic Chemistry Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Fanke Meng
- State Key Laboratory of Organometallic Chemistry Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| |
Collapse
|
196
|
Yang X, Zhang L, Liang Y, Wang Y, Shen Y, Xing Q, Qi W, Wang P, Liu X, Yang M, Su R, He M, He Z. Self-Assembled Bio-Organometallic Nanocatalysts for Highly Enantioselective Direct Aldol Reactions. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:13735-13742. [PMID: 33175547 DOI: 10.1021/acs.langmuir.0c01485] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Supramolecular nanocatalysts were designed for asymmetric reactions through the self-assembly process of a bio-organometallic molecule, ferrocene-l-prolinamide (Fc-CO-NH-P). Fc-CO-NH-P could self-assemble into versatile nanostructures in water, including nanospheres, nanosheets, nanoflowers, and pieces. In particular, the self-assembled nanoflowers exhibited a superior specific surface area, high stability, and delicate three-dimensional (3D) chiral catalytic active sites. The nanoflowers could serve as heterogeneous catalysts with an excellent catalytic performance toward direct aldol reactions in aqueous solution, achieving both high yield (>99%) and stereoselectivity (anti/syn = 97:3, ee% >99%). This study proposed a significant strategy to fabricate supramolecular chiral catalysts, serving as a favorable template for designing new asymmetric catalysts.
Collapse
Affiliation(s)
- Xuejiao Yang
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, P. R. China
| | - Liwei Zhang
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, P. R. China
| | - Yaoyu Liang
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, P. R. China
| | - Yuefei Wang
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, P. R. China
- Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin University, Tianjin 300072, P. R. China
| | - Yuhe Shen
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, P. R. China
| | - Qiguo Xing
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, P. R. China
| | - Wei Qi
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, P. R. China
- Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin University, Tianjin 300072, P. R. China
| | - Pengfei Wang
- State Key Laboratory of Precision Measuring Technology and Instruments, Tianjin University, Tianjin 30072, P. R. China
| | - Xiao Liu
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, P. R. China
| | - Mengyao Yang
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, P. R. China
| | - Rongxin Su
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, P. R. China
- Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin University, Tianjin 300072, P. R. China
| | - Mingxia He
- State Key Laboratory of Precision Measuring Technology and Instruments, Tianjin University, Tianjin 30072, P. R. China
| | - Zhimin He
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, P. R. China
| |
Collapse
|
197
|
Yunusova SN, Bolotin DS, Vovk MA, Tolstoy PM, Kukushkin VY. Tetrabromomethane as an Organic Catalyst: a Kinetic Study of CBr
4
‐Catalyzed Schiff Condensation. European J Org Chem 2020. [DOI: 10.1002/ejoc.202001180] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Sevilya N. Yunusova
- Institute of Chemistry Saint Petersburg State University Universitetskaya Nab. 7/9 Saint Petersburg Russian Federation
| | - Dmitrii S. Bolotin
- Institute of Chemistry Saint Petersburg State University Universitetskaya Nab. 7/9 Saint Petersburg Russian Federation
| | - Mikhail A. Vovk
- Center for Magnetic Resonance Saint Petersburg State University Saint Petersburg Russian Federation
| | - Peter M. Tolstoy
- Institute of Chemistry Saint Petersburg State University Universitetskaya Nab. 7/9 Saint Petersburg Russian Federation
| | - Vadim Yu. Kukushkin
- Institute of Chemistry Saint Petersburg State University Universitetskaya Nab. 7/9 Saint Petersburg Russian Federation
- Laboratory of Crystal Engineering of Functional Materials South Ural State University 76, Lenin Av. 454080 Chelyabinsk Russian Federation
| |
Collapse
|
198
|
Muldoon JA, Harvey BG. Bio-Based Cycloalkanes: The Missing Link to High-Performance Sustainable Jet Fuels. CHEMSUSCHEM 2020; 13:5777-5807. [PMID: 32810345 DOI: 10.1002/cssc.202001641] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 08/14/2020] [Indexed: 05/12/2023]
Abstract
The development of sustainable energy solutions that reduce global carbon emissions, while maintaining high living standards, is one of the grand challenges of the current century. Transportation fuels are critical to economic development, globalization, and the advancement of society. Although ground vehicles and small aircraft are beginning a slow transition toward electric propulsion with energy sourced from solar radiation or wind, the extreme power requirements of jet aircraft require a more concentrated source of energy that is conveniently provided by liquid hydrocarbon fuels. This Review describes recent efforts to develop efficient routes for the conversion of crude biomass sources (e. g., lignocellulose) to cycloalkanes. These cycloalkanes impart advantageous properties to jet fuels, including increased density, higher volumetric heat of combustion, and enhanced operability. The combination of bio-based cycloalkanes and synthetic paraffinic kerosenes allows for the preparation of 100 % bio-based fuels that can outperform conventional petroleum-based fuels. In this Review methods are described that convert biomass-derived small molecules, including furfural, furfuryl alcohol, 5-hydroxymethylfurfural, cyclic ketones, phenolics, acyclic ketones, cyclic alcohols, furans, esters, and alkenes to high-density cycloalkanes. In addition to describing the chemical transformations and catalysts that have been developed to efficiently produce various cycloalkanes, this Review includes summaries of key fuel properties, which highlight the ability to generate fuels with customized performance metrics. This work is intended to inspire other researchers to study the conversion of sustainable feedstocks to full-performance aviation fuels. An acceleration of this research is critical to reducing the carbon footprint of commercial and military aviation on a timescale that will help blunt the impacts of global warming.
Collapse
Affiliation(s)
- Jake A Muldoon
- US NAVY, NAWCWD, Research Department, Chemistry Branch, China Lake, California, 93555, USA
| | - Benjamin G Harvey
- US NAVY, NAWCWD, Research Department, Chemistry Branch, China Lake, California, 93555, USA
| |
Collapse
|
199
|
Sato K, Isoda M, Tarui A, Omote M. Reductive Carbon–Carbon Bond Forming Reactions with Carbonyls Mediated by Rh–H Complexes. European J Org Chem 2020. [DOI: 10.1002/ejoc.202001041] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Kazuyuki Sato
- Faculty of Pharmaceutical Sciences Setsunan University 45‐1 573‐0101 Nagaotoge‐cho Hirakata, Osaka Japan
| | - Motoyuki Isoda
- School of Pharmacy at Fukuoka International University of Health and Welfare 137‐1 Enokizu 831‐8501 Okawa Fukuoka Japan
| | - Atsushi Tarui
- Faculty of Pharmaceutical Sciences Setsunan University 45‐1 573‐0101 Nagaotoge‐cho Hirakata, Osaka Japan
| | - Masaaki Omote
- Faculty of Pharmaceutical Sciences Setsunan University 45‐1 573‐0101 Nagaotoge‐cho Hirakata, Osaka Japan
| |
Collapse
|
200
|
Liu D, Cao J, Sun J, Liu RZ, Yan CG. Convergent Synthesis of Triindanone-Fused Spiro[bicyclo[2.2.2]octane-2,3′-indolines] via Domino Reaction of 1,3-Indanedione and 3-Methyleneoxindoles. Org Lett 2020; 22:8931-8936. [DOI: 10.1021/acs.orglett.0c03331] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Dan Liu
- College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China
| | - Jun Cao
- College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China
| | - Jing Sun
- College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China
| | - Ru-Zhang Liu
- College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China
| | - Chao-Guo Yan
- College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China
| |
Collapse
|