1
|
Zhang QB, Li F, Pan B, Yu L, Yue XG. Visible-Light-Mediated [2+2] Photocycloadditions of Alkynes. Chemistry 2024; 30:e202401501. [PMID: 38806409 DOI: 10.1002/chem.202401501] [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: 04/17/2024] [Revised: 05/21/2024] [Accepted: 05/27/2024] [Indexed: 05/30/2024]
Abstract
Visible-light-mediated [2+2] photocycloaddition reaction can be considered an ideal solution due to its green and sustainable properties, and is one of the most efficient methods to synthesize four-membered ring motifs. Although research on the [2+2] photocycloaddition of alkynes is challenging because of the diminished reactivity of alkynes, and the more significant ring strain of the products, remarkable achievements have been made in this field. In this article, we highlight the recent advances in visible-light-mediated [2+2] photocycloaddition reactions of alkynes, with focus on the reaction mechanism and the late-stage synthetic applications. Advances in obtaining cyclobutenes, azetines, and oxetene active intermediates continue to be breakthroughs in this fascinating field of research.
Collapse
Affiliation(s)
- Qing-Bao Zhang
- Shandong Peninsula Engineering Research Center of Comprehensive Brine Utilization, Weifang University of Science and Technology, Shouguang, CN, 262700, People's Republic of China
| | - Feng Li
- Shandong Peninsula Engineering Research Center of Comprehensive Brine Utilization, Weifang University of Science and Technology, Shouguang, CN, 262700, People's Republic of China
| | - Bin Pan
- Shandong Peninsula Engineering Research Center of Comprehensive Brine Utilization, Weifang University of Science and Technology, Shouguang, CN, 262700, People's Republic of China
| | - Lei Yu
- Shandong Peninsula Engineering Research Center of Comprehensive Brine Utilization, Weifang University of Science and Technology, Shouguang, CN, 262700, People's Republic of China
| | - Xiang-Guo Yue
- Shandong Peninsula Engineering Research Center of Comprehensive Brine Utilization, Weifang University of Science and Technology, Shouguang, CN, 262700, People's Republic of China
| |
Collapse
|
2
|
Losa R, Lorton C, Retailleau P, Bignon J, Voituriez A. Fluorinated 2-Azetines: Synthesis, Applications, Biological Tests, and Development of a Catalytic Process. Org Lett 2023; 25:5140-5144. [PMID: 37390327 DOI: 10.1021/acs.orglett.3c01888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/02/2023]
Abstract
An efficient and straightforward phosphine-promoted tandem aza-Michael addition/intramolecular Wittig reaction was developed for the synthesis of polyfunctionalized 2-azetines. After demonstrating that this transformation could be made catalytic in phosphine through in situ reduction of phosphine oxide with phenylsilane, different post-transformation steps have been demonstrated, including an original [2 + 2] photodimerization. Preliminary biological tests highlighted that these fluorinated 1,2-dihydroazete-2,3-dicarboxylates exhibited significant cytotoxicity against the human tumor cell line.
Collapse
Affiliation(s)
- Romain Losa
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 91198, Gif-sur-Yvette, France
| | - Charlotte Lorton
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 91198, Gif-sur-Yvette, France
| | - Pascal Retailleau
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 91198, Gif-sur-Yvette, France
| | - Jérôme Bignon
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 91198, Gif-sur-Yvette, France
| | - Arnaud Voituriez
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 91198, Gif-sur-Yvette, France
| |
Collapse
|
3
|
Gatazka MR, McFee EC, Ng CH, Wearing ER, Schindler CS. New strategies for the synthesis of 1- and 2-azetines and their applications as value-added building blocks. Org Biomol Chem 2022; 20:9052-9068. [PMID: 36354381 PMCID: PMC10321053 DOI: 10.1039/d2ob01812h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/08/2023]
Abstract
Four-membered nitrogen-containing heterocycles are highly desirable functional groups with synthetic and biological applications. Unsaturated four-membered N-heterocycles, 1- and 2-azetines, are historically underexplored, but have recently been gaining interest due to the development of new synthetic methods to access these compounds, and to their potential as reactive intermediates. This review covers both the synthesis and applications of azetines, with a focus on synthetic methods to access azetines developed since 2018, and a comprehensive review of the reactivity and applications of azetines as starting materials or intermediates to access both other heterocycles and complex products.
Collapse
Affiliation(s)
- Michael R Gatazka
- Willard Henry Dow Laboratory, Department of Chemistry, University of Michigan, Ann Arbor, MI 48109, USA.
| | - Elvis C McFee
- Willard Henry Dow Laboratory, Department of Chemistry, University of Michigan, Ann Arbor, MI 48109, USA.
| | - Cody H Ng
- Willard Henry Dow Laboratory, Department of Chemistry, University of Michigan, Ann Arbor, MI 48109, USA.
| | - Emily R Wearing
- Willard Henry Dow Laboratory, Department of Chemistry, University of Michigan, Ann Arbor, MI 48109, USA.
| | - Corinna S Schindler
- Willard Henry Dow Laboratory, Department of Chemistry, University of Michigan, Ann Arbor, MI 48109, USA.
| |
Collapse
|
4
|
Coinage metal-catalyzed carbo- and heterocyclizations involving alkenyl carbene intermediates as C3 synthons. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.154156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
|
5
|
Zhang F, Sang X, Zhou Y, Cao W, Feng X. Enantioselective Synthesis of Azetidines through [3 + 1]-Cycloaddition of Donor-Acceptor Aziridines with Isocyanides. Org Lett 2022; 24:1513-1517. [PMID: 35147442 DOI: 10.1021/acs.orglett.2c00190] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
The enantioselective [3 + 1]-cycloaddition of racemic donor-acceptor (D-A) aziridines with isocyanides was first realized under mild reaction conditions using a chiral N,N'-dioxide/MgII complex as catalyst, providing a facile route to enantioenriched exo-imido azetidines with good to excellent yield (up to 99%) and enantioselectivity (up to 94% ee). An obvious chiral amplification effect was observed in this system, and an explanation was elucidated based on the experimental investigation and X-ray crystal structure of the enantiomerically pure catalyst.
Collapse
Affiliation(s)
- Fengcai Zhang
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Xinpeng Sang
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Yuqiao Zhou
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Weidi Cao
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Xiaoming Feng
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
| |
Collapse
|
6
|
Wang YJ, Zhang Y, Qiang Z, Liang JY, Chen Z. Gold catalyzed efficient preparation of dihydrobenzofuran from 1,3-enyne and phenol. Chem Commun (Camb) 2021; 57:12607-12610. [PMID: 34755721 DOI: 10.1039/d1cc05260h] [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
A gold catalyzed formal intermolecular [2+3] cyclo-coupling of 1,3-enynes with phenols was developed to prepare dihydrobenzofuran derivatives with the addition of 2,6-dichloropyridine N-oxide, in which, a highly ortho-selective phenol SEAr functionalization was achieved by using 1,3-enynes as α-oxo vinyl gold carbenoid surrogates.
Collapse
Affiliation(s)
- Yu-Jiang Wang
- Department of Chemistry, Renmin University of China, 59# Zhongguancun Street, Haidian, Beijing 100872, China.
| | - Yuan Zhang
- Department of Chemistry, Renmin University of China, 59# Zhongguancun Street, Haidian, Beijing 100872, China.
| | - Zou Qiang
- Department of Chemistry, Renmin University of China, 59# Zhongguancun Street, Haidian, Beijing 100872, China.
| | - Jia-Ying Liang
- Department of Chemistry, Renmin University of China, 59# Zhongguancun Street, Haidian, Beijing 100872, China.
| | - Zili Chen
- Department of Chemistry, Renmin University of China, 59# Zhongguancun Street, Haidian, Beijing 100872, China.
| |
Collapse
|
7
|
Abstract
The enantioselective [3 + 1]-cycloaddition of two structurally different diazo compounds has been achieved using chiral bisoxazoline copper(I) complexes as a catalyst, providing a novel route for the synthesis of cyclobutenes containing a quaternary stereocenter. Typically, this reaction represents the first example of asymmetric cross-electrophile coupling of two diazo substrates via carbene discrimination.
Collapse
Affiliation(s)
- Yong Xu
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, P. R. China
| | - Zhen Wang
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, P. R. China
| | - Jiangtao Sun
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, P. R. China
| |
Collapse
|
8
|
Hara S, Ito S. TiCl
4
‐Mediated [2+2] Cycloaddition for Synthesis of Isolable CF
3
‐Substituted 2‐Azetines. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100082] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Shunya Hara
- Department of Applied Chemistry School of Materials and Chemical Technology Tokyo Institute of Technology 2-12-1-H113 Ookayama, Meguro-ku 152-8552 Tokyo Japan
| | - Shigekazu Ito
- Department of Applied Chemistry School of Materials and Chemical Technology Tokyo Institute of Technology 2-12-1-H113 Ookayama, Meguro-ku 152-8552 Tokyo Japan
| |
Collapse
|
9
|
Zhou G, Su J, Shang T, Wang X, Bai Y, Yuan Z, Zhu G. Synthesis of polysubstituted azetidines via cascade trifluoromethylation/cyclization of N-allyl ynamides. Org Chem Front 2021. [DOI: 10.1039/d1qo00559f] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A cascade trifluoromethylation/cyclization of N-allyl sulfonylynamides is developed, providing a direct access to azetidine-fused tricyclic compounds at room temperature.
Collapse
Affiliation(s)
- Genlai Zhou
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Department of Chemistry
- Zhejiang Normal University
- Jinhua 321004
- P. R. China
| | - Jingwen Su
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Department of Chemistry
- Zhejiang Normal University
- Jinhua 321004
- P. R. China
| | - Tianbo Shang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Department of Chemistry
- Zhejiang Normal University
- Jinhua 321004
- P. R. China
| | - Xiaojuan Wang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Department of Chemistry
- Zhejiang Normal University
- Jinhua 321004
- P. R. China
| | - Yihui Bai
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Department of Chemistry
- Zhejiang Normal University
- Jinhua 321004
- P. R. China
| | - Zheliang Yuan
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Department of Chemistry
- Zhejiang Normal University
- Jinhua 321004
- P. R. China
| | - Gangguo Zhu
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Department of Chemistry
- Zhejiang Normal University
- Jinhua 321004
- P. R. China
| |
Collapse
|
10
|
Zheng PF, Zeng R, Jiang K, Li HW, Ye Y, Mu C, Shuai L, Ouyang Q, Chen YC. (3 + 1) Annulation/Rearrangement Cascade of C,N-Cyclic Azomethine Imines and 3-Chlorooxindoles: Construction of Hexahydroindeno[2,1- c]pyrazole Spirooxindole Frameworks. Org Lett 2019; 21:10052-10056. [PMID: 31825631 DOI: 10.1021/acs.orglett.9b03996] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The Brønsted base promoted (3 + 1) annulation reaction of C,N-cyclic azomethine imines and 3-chlorooxindoles was investigated, finally delivering complex hexahydroindeno[2,1-c] pyrazoles incorporating a spirocyclic oxindole motif after an unexpected rearrangement process. The asymmetric version of this new transformation could be accomplished, but slow racemization of the chiral product was observed at ambient temperature. Experiments and DFT calculations were further conducted to elucidate the reaction process and racemization mechanism.
Collapse
Affiliation(s)
- Peng-Fei Zheng
- College of Pharmacy , Third Military Medical University , Chongqing , 400038 , China
| | - Rong Zeng
- College of Pharmacy , Third Military Medical University , Chongqing , 400038 , China
| | - Kun Jiang
- College of Pharmacy , Third Military Medical University , Chongqing , 400038 , China
| | - Hong-Wei Li
- College of Pharmacy , Third Military Medical University , Chongqing , 400038 , China
| | - Ying Ye
- College of Pharmacy , Third Military Medical University , Chongqing , 400038 , China
| | - Chao Mu
- College of Chemistry and Environmental Engineering , Sichuan University of Science & Engineering , Zigong , 643000 , China
| | - Li Shuai
- College of Pharmacy , Third Military Medical University , Chongqing , 400038 , China
| | - Qin Ouyang
- College of Pharmacy , Third Military Medical University , Chongqing , 400038 , China
| | - Ying-Chun Chen
- College of Pharmacy , Third Military Medical University , Chongqing , 400038 , China.,Key Laboratory of Drug-Targeting and Drug Delivery System of the Ministry of Education and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy , Sichuan University , Chengdu 610041 , China
| |
Collapse
|
11
|
Chiral donor-acceptor azetines as powerful reactants for synthesis of amino acid derivatives. Nat Commun 2019; 10:5328. [PMID: 31757976 PMCID: PMC6874555 DOI: 10.1038/s41467-019-13326-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Accepted: 10/23/2019] [Indexed: 02/07/2023] Open
Abstract
Coupling reactions of amines and alcohols are of central importance for applications in chemistry and biology. These transformations typically involve the use of a reagent, activated as an electrophile, onto which nucleophile coupling results in the formation of a carbon-nitrogen or a carbon–oxygen bond. Several promising reagents and procedures have been developed to achieve these bond forming processes in high yields with excellent stereocontrol, but few offer direct coupling without the intervention of a catalyst. Herein, we report the synthesis of chiral donor–acceptor azetines by highly enantioselective [3 + 1]-cycloaddition of enoldiazoacetates with aza-ylides and their selective coupling with nitrogen and oxygen nucleophiles via 3-azetidinones to form amino acid derivatives, including those of peptides and natural products. The overall process is general for a broad spectrum of nucleophiles, has a high degree of electronic and steric selectivity, and retains the enantiopurity of the original azetine. Chiral 3-azetidinones are structural analogues of medicinally relevant β-lactams, however their synthesis and reactivity are underexplored. Here, the authors show a highly enantioselective copper-catalyzed [3 + 1]-cycloaddition generating 2-azetidines, which react with nucleophiles yielding amino acids via 3-azetidinones.
Collapse
|
12
|
Marichev KO, Wang K, Dong K, Greco N, Massey LA, Deng Y, Arman H, Doyle MP. Synthesis of Chiral Tetrasubstituted Azetidines from Donor-Acceptor Azetines via Asymmetric Copper(I)-Catalyzed Imido-Ylide [3+1]-Cycloaddition with Metallo-Enolcarbenes. Angew Chem Int Ed Engl 2019; 58:16188-16192. [PMID: 31496021 DOI: 10.1002/anie.201909929] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Indexed: 01/05/2023]
Abstract
The all-cis stereoisomers of tetrasubstituted azetidine-2-carboxylic acids and derivatives that possess three chiral centers have been prepared in high yield and stereocontrol from silyl-protected Z-γ-substituted enoldiazoacetates and imido-sulfur ylides by asymmetric [3+1]-cycloaddition using chiral sabox copper(I) catalysis followed by Pd/C catalytic hydrogenation. Hydrogenation of the chiral p-methoxybenzyl azetine-2-carboxylates occurs with both hydrogen addition to the C=C bond and hydrogenolysis of the ester.
Collapse
Affiliation(s)
- Kostiantyn O Marichev
- Department of Chemistry, The University of Texas at San Antonio One UTSA Circle, San Antonio, TX, 78249, USA
| | - Kan Wang
- Department of Chemistry, The University of Texas at San Antonio One UTSA Circle, San Antonio, TX, 78249, USA
| | - Kuiyong Dong
- Department of Chemistry, The University of Texas at San Antonio One UTSA Circle, San Antonio, TX, 78249, USA
| | - Nicole Greco
- Department of Chemistry, The University of Texas at San Antonio One UTSA Circle, San Antonio, TX, 78249, USA
| | - Lynée A Massey
- Department of Chemistry, The University of Texas at San Antonio One UTSA Circle, San Antonio, TX, 78249, USA
| | - Yongming Deng
- Department of Chemistry, The University of Texas at San Antonio One UTSA Circle, San Antonio, TX, 78249, USA
| | - Hadi Arman
- Department of Chemistry, The University of Texas at San Antonio One UTSA Circle, San Antonio, TX, 78249, USA
| | - Michael P Doyle
- Department of Chemistry, The University of Texas at San Antonio One UTSA Circle, San Antonio, TX, 78249, USA
| |
Collapse
|
13
|
Marichev KO, Wang K, Dong K, Greco N, Massey LA, Deng Y, Arman H, Doyle MP. Synthesis of Chiral Tetrasubstituted Azetidines from Donor–Acceptor Azetines via Asymmetric Copper(I)‐Catalyzed Imido‐Ylide [3+1]‐Cycloaddition with Metallo‐Enolcarbenes. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201909929] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Kostiantyn O. Marichev
- Department of ChemistryThe University of Texas at San Antonio One UTSA Circle San Antonio TX 78249 USA
| | - Kan Wang
- Department of ChemistryThe University of Texas at San Antonio One UTSA Circle San Antonio TX 78249 USA
| | - Kuiyong Dong
- Department of ChemistryThe University of Texas at San Antonio One UTSA Circle San Antonio TX 78249 USA
| | - Nicole Greco
- Department of ChemistryThe University of Texas at San Antonio One UTSA Circle San Antonio TX 78249 USA
| | - Lynée A. Massey
- Department of ChemistryThe University of Texas at San Antonio One UTSA Circle San Antonio TX 78249 USA
| | - Yongming Deng
- Department of ChemistryThe University of Texas at San Antonio One UTSA Circle San Antonio TX 78249 USA
| | - Hadi Arman
- Department of ChemistryThe University of Texas at San Antonio One UTSA Circle San Antonio TX 78249 USA
| | - Michael P. Doyle
- Department of ChemistryThe University of Texas at San Antonio One UTSA Circle San Antonio TX 78249 USA
| |
Collapse
|
14
|
Reidl TW, Anderson LL. Divergent Functionalizations of Azetidines and Unsaturated Azetidines. ASIAN J ORG CHEM 2019. [DOI: 10.1002/ajoc.201900229] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Tyler W. Reidl
- Department of ChemistryUniversity of Illinois at Chicago 845 W. Taylor St. Chicago, IL USA
| | - Laura L. Anderson
- Department of ChemistryUniversity of Illinois at Chicago 845 W. Taylor St. Chicago, IL USA
| |
Collapse
|
15
|
Marichev KO, Doyle MP. Catalytic asymmetric cycloaddition reactions of enoldiazo compounds. Org Biomol Chem 2019; 17:4183-4195. [PMID: 30924829 PMCID: PMC6484446 DOI: 10.1039/c9ob00478e] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
This review describes catalytic asymmetric cycloaddition reactions of silyl-protected enoldiazo compounds for the construction of highly functionalized carbo- and heterocycles which possess one or more chiral center(s). The enoldiazo compound or its derivative, donor-acceptor cyclopropene, form electrophilic vinylogous metal carbene intermediates that combine stepwise with nucleophilic dipolar reactants to form products from [3 + 1]-, [3 + 2]-, [3 + 3]-, [3 + 4]-, and [3 + 5]-cycloaddition, generally in high yield and with exceptional stereocontrol and regioselectivity.
Collapse
Affiliation(s)
- Kostiantyn O. Marichev
- Department of Chemistry, The University of Texas at San Antonio, San Antonio, Texas 78249, USA.
| | - Michael P. Doyle
- Department of Chemistry, The University of Texas at San Antonio, San Antonio, Texas 78249, USA.
| |
Collapse
|
16
|
Didier D, Baumann AN, Eisold M. Unsaturated four-membered N-heterocycles: From synthesis to applications. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2018.09.055] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
|
17
|
Music A, Baumann AN, Eisold M, Didier D. Regiodivergent Stereoselective Access to Fused Alkylideneazetidines. J Org Chem 2018; 83:783-792. [PMID: 29260549 DOI: 10.1021/acs.joc.7b02786] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Following recent advances in the generalization and simplification of 2H-azetine synthesis, a regiodivergent approach to fused 2- and 3-alkylideneazetines was designed via the intermediate formation of unprecedented vinylazetine structures. Concise sequences to the latter are described from which an expected unsaturated fused ring system was isolated with very high yields and regio- and stereoselectivities by [4 + 2] cycloadditions.
Collapse
Affiliation(s)
- Arif Music
- Department of Chemistry and Pharmacy, Ludwig-Maximilians-University , Butenandtstraße 5-13, 81377 Munich, Germany
| | - Andreas N Baumann
- Department of Chemistry and Pharmacy, Ludwig-Maximilians-University , Butenandtstraße 5-13, 81377 Munich, Germany
| | - Michael Eisold
- Department of Chemistry and Pharmacy, Ludwig-Maximilians-University , Butenandtstraße 5-13, 81377 Munich, Germany
| | - Dorian Didier
- Department of Chemistry and Pharmacy, Ludwig-Maximilians-University , Butenandtstraße 5-13, 81377 Munich, Germany
| |
Collapse
|
18
|
Abstract
During the past century, β-lactams have been identified as the core of penicillin and since then several strategies have been developed for their synthesis.
Collapse
|
19
|
Baumann AN, Eisold M, Music A, Haas G, Kiw YM, Didier D. Methods for the Synthesis of Substituted Azetines. Org Lett 2017; 19:5681-5684. [DOI: 10.1021/acs.orglett.7b02847] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Andreas N. Baumann
- Department
of Chemistry and Pharmacy, Ludwig-Maximilians-University, Butenandtstraße 5-13, 81377 Munich, Germany
| | - Michael Eisold
- Department
of Chemistry and Pharmacy, Ludwig-Maximilians-University, Butenandtstraße 5-13, 81377 Munich, Germany
| | - Arif Music
- Department
of Chemistry and Pharmacy, Ludwig-Maximilians-University, Butenandtstraße 5-13, 81377 Munich, Germany
| | - Geoffrey Haas
- Pierre and Marie Curie University, 4 place Jussieu, Paris 75252 Cedex 05, France
| | - Yu Min Kiw
- Ecole Nationale Supérieure de Chimie de Rennes, 11 allée de Beaulieu, Rennes 35708 Cedex 7, France
| | - Dorian Didier
- Department
of Chemistry and Pharmacy, Ludwig-Maximilians-University, Butenandtstraße 5-13, 81377 Munich, Germany
| |
Collapse
|
20
|
Baba T, Takahashi S, Kambara Y, Yoshimura A, Nemykin VN, Zhdankin VV, Saito A. Development of Imino‐λ
3
‐iodanes with Improved Reactivity for Metal‐Free [2+2+1] Cycloaddition‐Type Reactions. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201700934] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Takafumi Baba
- Division of Applied Chemistry, Institute of Engineering, Tokyo University of Agriculture and Technology Koganei Tokyo 184-8588 Japan
| | - Shunsuke Takahashi
- Division of Applied Chemistry, Institute of Engineering, Tokyo University of Agriculture and Technology Koganei Tokyo 184-8588 Japan
| | - Yui Kambara
- Division of Applied Chemistry, Institute of Engineering, Tokyo University of Agriculture and Technology Koganei Tokyo 184-8588 Japan
| | - Akira Yoshimura
- Department of Chemistry and Biochemistry University of Minnesota Duluth Duluth, MN 55812 United States
- The Tomsk Polytechnic University 634050 Tomsk Russia
| | - Victor N. Nemykin
- Department of Chemistry University of Manitoba Winnipeg MB R3T 2N2 Canada
| | - Viktor V. Zhdankin
- Department of Chemistry and Biochemistry University of Minnesota Duluth Duluth, MN 55812 United States
| | - Akio Saito
- Division of Applied Chemistry, Institute of Engineering, Tokyo University of Agriculture and Technology Koganei Tokyo 184-8588 Japan
| |
Collapse
|
21
|
Cheng QQ, Deng Y, Lankelma M, Doyle MP. Cycloaddition reactions of enoldiazo compounds. Chem Soc Rev 2017; 46:5425-5443. [PMID: 28726896 PMCID: PMC5575991 DOI: 10.1039/c7cs00324b] [Citation(s) in RCA: 193] [Impact Index Per Article: 27.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Enoldiazo esters and amides have proven to be versatile reagents for cycloaddition reactions that allow highly efficient construction of various carbocycles and heterocycles. Their versatility is exemplified by (1) [2+n]-cycloadditions (n = 3, 4) by the enol silyl ether units of enoldiazo compounds with retention of the diazo functionality to furnish α-cyclic-α-diazo compounds that are themselves subject to further transformations of the diazo functional group; (2) [3+n]-cycloadditions (n = 1-5) by metallo-enolcarbenes formed by catalytic dinitrogen extrusion from enoldiazo compounds; (3) [2+n]-cycloadditions (n = 3, 4) by donor-acceptor cyclopropenes generated in situ from enoldiazo compounds that produce cyclopropane-fused ring systems. The role of dirhodium(ii) and the emergence of copper(i) catalysts are described, as are the different outcomes of reactions initiated with these catalysts. This comprehensive review on cycloaddition reactions of enoldiazo compounds, with emphasis on methodology development, mechanistic insight, and catalyst-controlled chemodivergence, aims to provide inspiration for future discoveries in the field and to catalyze the application of enoldiazo reagents by the wider synthetic community.
Collapse
Affiliation(s)
- Qing-Qing Cheng
- Department of Chemistry, The University of Texas at San Antonio, San Antonio, Texas 78249, USA.
| | | | | | | |
Collapse
|
22
|
Reidl TW, Son J, Wink DJ, Anderson LL. Facile Synthesis of Azetidine Nitrones and Diastereoselective Conversion into Densely Substituted Azetidines. Angew Chem Int Ed Engl 2017; 56:11579-11583. [PMID: 28707372 DOI: 10.1002/anie.201705681] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2017] [Revised: 07/12/2017] [Indexed: 11/06/2022]
Abstract
An electrocyclization route to azetidine nitrones from N-alkenylnitrones was discovered that provides facile access to these unsaturated strained heterocycles. Reactivity studies showed that these compounds undergo a variety of reduction, cycloaddition, and nucleophilic addition reactions to form highly substituted azetidines with excellent diastereoselectivity. Taken together, these transformations provide a fundamentally different approach to azetidine synthesis than traditional cyclization by nucleophilic displacement and provide novel access to a variety of underexplored strained heterocyclic compounds.
Collapse
Affiliation(s)
- Tyler W Reidl
- Department of Chemistry, University of Illinois at Chicago, 845 W. Taylor St., Chicago, IL, USA
| | - Jongwoo Son
- Department of Chemistry, University of Illinois at Chicago, 845 W. Taylor St., Chicago, IL, USA
| | - Donald J Wink
- Department of Chemistry, University of Illinois at Chicago, 845 W. Taylor St., Chicago, IL, USA
| | - Laura L Anderson
- Department of Chemistry, University of Illinois at Chicago, 845 W. Taylor St., Chicago, IL, USA
| |
Collapse
|
23
|
Reidl TW, Son J, Wink DJ, Anderson LL. Facile Synthesis of Azetidine Nitrones and Diastereoselective Conversion into Densely Substituted Azetidines. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201705681] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Tyler W. Reidl
- Department of Chemistry University of Illinois at Chicago 845 W. Taylor St. Chicago IL USA
| | - Jongwoo Son
- Department of Chemistry University of Illinois at Chicago 845 W. Taylor St. Chicago IL USA
| | - Donald J. Wink
- Department of Chemistry University of Illinois at Chicago 845 W. Taylor St. Chicago IL USA
| | - Laura L. Anderson
- Department of Chemistry University of Illinois at Chicago 845 W. Taylor St. Chicago IL USA
| |
Collapse
|
24
|
Deng Y, Massey LA, Zavalij PY, Doyle MP. Catalytic Asymmetric [3+1]‐Cycloaddition Reaction of Ylides with Electrophilic Metallo‐enolcarbene Intermediates. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201704069] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Yongming Deng
- Department of Chemistry The University of Texas at San Antonio One UTSA Circle San Antonio TX 78249 USA
| | - Lynée A. Massey
- Department of Chemistry The University of Texas at San Antonio One UTSA Circle San Antonio TX 78249 USA
| | - Peter Y. Zavalij
- Department of Chemistry and Biochemistry University of Maryland College Park MD 20742 USA
| | - Michael P. Doyle
- Department of Chemistry The University of Texas at San Antonio One UTSA Circle San Antonio TX 78249 USA
| |
Collapse
|
25
|
Deng Y, Massey LA, Zavalij PY, Doyle MP. Catalytic Asymmetric [3+1]-Cycloaddition Reaction of Ylides with Electrophilic Metallo-enolcarbene Intermediates. Angew Chem Int Ed Engl 2017; 56:7479-7483. [PMID: 28493594 DOI: 10.1002/anie.201704069] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Indexed: 11/06/2022]
Abstract
The first asymmetric [3+1]-cycloaddition was successfully achieved by copper(I) triflate/double-sidearmed bisoxazoline complex catalyzed reactions of β-triisopropylsilyl-substituted enoldiazo compounds with sulfur ylides. This methodology delivered a series of chiral cyclobutenes in good yields with high enantio- and diastereoselectivities (up to 99 % ee, and >20:1 d.r.). Additionally, the [3+1]-cycloaddition of catalytically generated metallo-enolcarbenes was successfully extended to reaction with a stable benzylidene dichlororuthenium complex.
Collapse
Affiliation(s)
- Yongming Deng
- Department of Chemistry, The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX, 78249, USA
| | - Lynée A Massey
- Department of Chemistry, The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX, 78249, USA
| | - Peter Y Zavalij
- Department of Chemistry and Biochemistry, University of Maryland, College Park, MD, 20742, USA
| | - Michael P Doyle
- Department of Chemistry, The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX, 78249, USA
| |
Collapse
|
26
|
Yan H, Li X, Wang C, Wan B. Silver-catalyzed cyclization of nitrones with 2-azetine: a radical approach to 2,3-disubstituted quinolines. Org Chem Front 2017. [DOI: 10.1039/c7qo00405b] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
A silver-catalyzed intermolecular cyclization of nitrones with 2-azetine has been developed for the synthesis of 2,3-disubstituted quinolines under mild conditions.
Collapse
Affiliation(s)
- Hao Yan
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- China
- University of Chinese Academy of Sciences
| | - Xincheng Li
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- China
| | - Chunxiang Wang
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- China
| | - Boshun Wan
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- China
| |
Collapse
|
27
|
López E, González-Pelayo S, López LA. Recent Developments in Coinage Metal Catalyzed Transformations of Stabilized Vinyldiazo Compounds: Beyond Carbenic Pathways. CHEM REC 2016; 17:312-325. [PMID: 27701805 DOI: 10.1002/tcr.201600099] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Indexed: 12/12/2022]
Abstract
Transition metal-catalyzed transformations of vinyldiazo compounds have become a versatile tool in organic synthesis. Although several transition metals have been investigated for this purpose, this field has been mainly dominated by dirhodium catalysts. Remarkable levels of chemo-, regio-, diastereo- and enantioselectivity have been reached in some of these rhodium-catalyzed transformations. In the last few years coinage metals have also emerged as useful catalysts in transformations involving vinyldiazo compounds. In some cases, highly efficient catalyst-dependent protocols arising from divergent mechanistic pathways have been reported. In this Personal Account, we aim to showcase recent advances in metal coinage catalyzed transformations of vinyldiazoacetates, an exciting field of research to which our group has actively contributed in the last few years.
Collapse
Affiliation(s)
- Enol López
- Departamento de Química Orgánica e Inorgánica, Instituto Universitario de Química Organometálica "Enrique Moles", Universidad de Oviedo, Julián Clavería 8, 33006-, Oviedo, Spain
| | - Silvia González-Pelayo
- Departamento de Química Orgánica e Inorgánica, Instituto Universitario de Química Organometálica "Enrique Moles", Universidad de Oviedo, Julián Clavería 8, 33006-, Oviedo, Spain
| | - Luis A López
- Departamento de Química Orgánica e Inorgánica, Instituto Universitario de Química Organometálica "Enrique Moles", Universidad de Oviedo, Julián Clavería 8, 33006-, Oviedo, Spain
| |
Collapse
|
28
|
Li C, Jiang K, Ouyang Q, Liu TY, Chen YC. [3 + 1]- and [3 + 2]-Cycloadditions of Azaoxyallyl Cations and Sulfur Ylides. Org Lett 2016; 18:2738-41. [PMID: 27199108 DOI: 10.1021/acs.orglett.6b01194] [Citation(s) in RCA: 98] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Chao Li
- College
of Pharmacy, Third Military Medical University, Shapingba, Chongqing 400038, China
| | - Kun Jiang
- College
of Pharmacy, Third Military Medical University, Shapingba, Chongqing 400038, China
| | - Qin Ouyang
- College
of Pharmacy, Third Military Medical University, Shapingba, Chongqing 400038, China
| | - Tian-Yu Liu
- College
of Pharmacy, Third Military Medical University, Shapingba, Chongqing 400038, China
| | - Ying-Chun Chen
- College
of Pharmacy, Third Military Medical University, Shapingba, Chongqing 400038, China
- Key
Laboratory of Drug-Targeting and Drug Delivery System of the Ministry
of Education, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| |
Collapse
|
29
|
Herndon JW. The chemistry of the carbon-transition metal double and triple bond: Annual survey covering the year 2012. Coord Chem Rev 2014. [DOI: 10.1016/j.ccr.2014.02.026] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
|
30
|
Lopez SA, Houk KN. Substituent Effects on Rates and Torquoselectivities of Electrocyclic Ring-Openings of N-Substituted 2-Azetines. J Org Chem 2014; 79:6189-95. [PMID: 24885772 DOI: 10.1021/jo500919s] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Steven A. Lopez
- Department of Chemistry & Biochemistry, University of California, Los Angeles, California 90095-1569, United States
| | - K. N. Houk
- Department of Chemistry & Biochemistry, University of California, Los Angeles, California 90095-1569, United States
| |
Collapse
|
31
|
Hodgson DM, Pearson CI, Kazmi M. Generation and electrophile trapping of N-Boc-2-lithio-2-azetine: synthesis of 2-substituted 2-azetines. Org Lett 2014; 16:856-9. [PMID: 24410016 PMCID: PMC3929120 DOI: 10.1021/ol403626k] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
![]()
s-BuLi-induced α-lithiation–elimination
of LiOMe from N-Boc-3-methoxyazetidine and further
in situ α-lithiation generates N-Boc-2-lithio-2-azetine
which can be trapped with electrophiles, either directly (carbonyl
or heteroatom electrophiles) or after transmetalation to copper (allowing
allylations and propargylations), providing a concise access to 2-substituted
2-azetines.
Collapse
Affiliation(s)
- David M Hodgson
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford , Mansfield Road, Oxford OX1 3TA, U.K
| | | | | |
Collapse
|
32
|
Lonzi G, López LA. Regioselective Synthesis of Functionalized PyrrolesviaGold(I)-Catalyzed [3+2] Cycloaddition of Stabilized Vinyl Diazo Derivatives and Nitriles. Adv Synth Catal 2013. [DOI: 10.1002/adsc.201300346] [Citation(s) in RCA: 84] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
|
33
|
Barluenga J, Lonzi G, Tomás M, López LA. Reactivity of stabilized vinyl diazo derivatives toward unsaturated hydrocarbons: regioselective gold-catalyzed carbon-carbon bond formation. Chemistry 2012; 19:1573-6. [PMID: 23255306 DOI: 10.1002/chem.201203217] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2012] [Indexed: 11/06/2022]
Affiliation(s)
- José Barluenga
- Instituto Universitario de Química Organometálica "Enrique Moles", Universidad de Oviedo, c/Julián Clavería 8, 33007-Oviedo, Spain.
| | | | | | | |
Collapse
|