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Yang X, Gao H, Yan J, Zhou J, Shi L. Intramolecular chaperone-assisted dual-anchoring activation (ICDA): a suitable preorganization for electrophilic halocyclization. Chem Sci 2024; 15:6130-6140. [PMID: 38665529 PMCID: PMC11041335 DOI: 10.1039/d4sc00581c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Accepted: 03/20/2024] [Indexed: 04/28/2024] Open
Abstract
The halocyclization reaction represents one of the most common methodologies for the synthesis of heterocyclic molecules. Many efforts have been made to balance the relationship between structure, reactivity and selectivity, including the design of new electrophilic halogenation reagents and the utilization of activating strategies. However, discovering universal reagents or activating strategies for electrophilic halocyclization remains challenging due to the case-by-case practice for different substrates or different cyclization models. Here we report an intramolecular chaperone-assisted dual-anchoring activation (ICDA) model for electrophilic halocyclization, taking advantage of the non-covalent dual-anchoring orientation as the driving force. This protocol allows a practical, catalyst-free and rapid approach to access seven types of small-sized, medium-sized, and large-sized heterocyclic units and to realize polyene-like domino halocyclizations, as exemplified by nearly 90 examples, including a risk-reducing flow protocol for gram-scale synthesis. DFT studies verify the crucial role of ICDA in affording a suitable preorganization for transition state stabilization and X+ transfer acceleration. The utilization of the ICDA model allows a spatiotemporal adjustment to straightforwardly obtain fast, selective and high-yielding synthetic transformations.
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Affiliation(s)
- Xihui Yang
- School of Science (Shenzhen), School of Chemistry and Chemical Engineering, Harbin Institute of Technology Shenzhen 518055 China
| | - Haowei Gao
- School of Science (Shenzhen), School of Chemistry and Chemical Engineering, Harbin Institute of Technology Shenzhen 518055 China
| | - Jiale Yan
- School of Science (Shenzhen), School of Chemistry and Chemical Engineering, Harbin Institute of Technology Shenzhen 518055 China
| | - Jia Zhou
- School of Science (Shenzhen), School of Chemistry and Chemical Engineering, Harbin Institute of Technology Shenzhen 518055 China
- Laboratory of Urban Water Resources and Environment, Harbin Institute of Technology (Shenzhen) Shenzhen 518055 China
| | - Lei Shi
- School of Science (Shenzhen), School of Chemistry and Chemical Engineering, Harbin Institute of Technology Shenzhen 518055 China
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Kánya N, Kun S, Somsák L. Glycopyranosylidene-Spiro-Morpholinones: Evaluation of the Synthetic Possibilities Based on Glyculosonamide Derivatives and a New Method for the Construction of the Morpholine Ring. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27227785. [PMID: 36431884 PMCID: PMC9698030 DOI: 10.3390/molecules27227785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 11/07/2022] [Accepted: 11/10/2022] [Indexed: 11/16/2022]
Abstract
Glycosylidene-spiro-morpholin(on)es are scarcely described skeletons in the literature. In this work, we have systematically explored the synthetic routes towards such morpholinones based on the reactions of O-peracylated hept-2-ulopyranosonamide derivatives of D-gluco and D-galacto configuration. Koenigs-Knorr type glycosylation of 2-chloroethanol, allylic and propargylic alcohols by (glyculosylbromide)onamides furnished the expected glycosides. The 2-chloroethyl glycosides were ring closed to the corresponding spiro-morpholinones by treatment with K2CO3. The (allyl glyculosid)onamides gave diastereomeric mixtures of spiro-5-hydroxymorpholinones by ozonolysis and 5-iodomethylmorpholinones under iodonium ion mediated conditions. The ozonolytic method has not yet been known for the construction of morpholine rings, therefore, it was also extended to O-allyl mandelamide. The 5-hydroxymorpholinones were subjected to oxidation and acid catalyzed elimination reactions to give the corresponding morpholine-3,5-dions and 5,6-didehydro-morpholin-3-ones, respectively. Base induced elimination of the 5-iodomethylmorpholinones gave 5-methyl-2H-1,4-oxazin-3(4H)-ones. O-Acyl protecting groups of all of the above compounds were removed under Zemplén conditions. Some of the D-gluco configured unprotected compounds were tested as inhibitors of glycogen phosphorylase, but showed no significant effect.
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3
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Das P, Carter C, Shaheen G, Hamme AT. Bromo-lactamization of isoxazole via neighboring group participation: toward spiro-isoxazoline γ- and δ-lactams. RSC Adv 2022; 12:9628-9636. [PMID: 35424956 PMCID: PMC8985116 DOI: 10.1039/d2ra01070d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 03/21/2022] [Indexed: 01/06/2023] Open
Abstract
Spiro-heterocycles containing natural products and synthetic analogues have a broader biomedicinal application due to their rigid 3D conformation and structural implications. In this context, constructing spiro-isoxazoline systems have continued our interest in natural products and synthetic units to investigate their novel biological activities. Herein, a bromo-lactamization mediated neighboring group participation approach has been utilized on various isoxazole-amides to construct an array of spiro-isoxazoline-lactams. The easy synthesis with diverse functionalization in the periphery of a novel 3D framework could be interesting for biomedical investigation.
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Affiliation(s)
- Prasanta Das
- Department of Chemistry and Biochemistry, Jackson State University Jackson Mississippi 39217 USA
| | - Cord Carter
- Department of Chemistry and Biochemistry, Jackson State University Jackson Mississippi 39217 USA
| | - Gulrukh Shaheen
- Department of Chemistry and Biochemistry, Jackson State University Jackson Mississippi 39217 USA
| | - Ashton T Hamme
- Department of Chemistry and Biochemistry, Jackson State University Jackson Mississippi 39217 USA
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4
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Li J, Zhao Y, Yang J, Li R, Cao Z, Wan X. Ferric Sulphate/Potassium Bisulfate Promoted Facile Synthesis of
N
‐Sulfonylimidates from a Multi‐Component Reaction. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Jingjing Li
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science Soochow University Suzhou 215123 P. R. China
| | - Yanwei Zhao
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science Soochow University Suzhou 215123 P. R. China
| | - Jinwei Yang
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science Soochow University Suzhou 215123 P. R. China
| | - Ruyi Li
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science Soochow University Suzhou 215123 P. R. China
| | - Zhiyu Cao
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science Soochow University Suzhou 215123 P. R. China
| | - Xiaobing Wan
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science Soochow University Suzhou 215123 P. R. China
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5
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Peilleron L, Retailleau P, Cariou K. Synthesis of Cyclic
N
‐Hydroxylated Ureas and Oxazolidinone Oximes Enabled by Chemoselective Iodine(III)‐Mediated Radical or Cationic Cyclizations of Unsaturated
N
‐Alkoxyureas. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201901135] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Laure Peilleron
- Institut de Chimie des Substances Naturelles CNRS UPR 2301, Université Paris-SudUniversité Paris-Saclay Avenue de la Terrasse 91198 Gif-sur-Yvette France
| | - Pascal Retailleau
- Institut de Chimie des Substances Naturelles CNRS UPR 2301, Université Paris-SudUniversité Paris-Saclay Avenue de la Terrasse 91198 Gif-sur-Yvette France
| | - Kevin Cariou
- Institut de Chimie des Substances Naturelles CNRS UPR 2301, Université Paris-SudUniversité Paris-Saclay Avenue de la Terrasse 91198 Gif-sur-Yvette France
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Struble TJ, Lankswert HM, Pink M, Johnston JN. Enantioselective Organocatalytic Amine-Isocyanate Capture-Cyclization: Regioselective Alkene Iodoamination for the Synthesis of Chiral Cyclic Ureas. ACS Catal 2018; 8:11926-11931. [PMID: 31131150 DOI: 10.1021/acscatal.8b03708] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Ureas of chiral diamines are prominent features of therapeutics, chiral auxiliaries, and intermediates in complex molecule synthesis. Although many methods for diamine synthesis are available, metal-free enantioselective alkene functionalizations to make protected 1,2- and 1,3-diamines from simple achiral starting materials are rare, and a single reagent that accesses a cross-section of each congener with high enantiomeric excess is not available. We describe a method to synthesize enantioenriched cyclic 5- and 6-membered ureas from allylic amines and an isocyanate using a C2-symmetric BisAmidine (BAM) catalyst that delivers N-selectivity from an ambident sulfonyl imide intermediate, overcoming electronic and steric deactivation at nitrogen. The geometry of 1,2-disubstituted alkenes is correlated to 5-exo and 6-endo cyclizations without altering alkene face selectivity, which is unexpectedly opposite that observed with O-nucleophiles. Straightforward product manipulations to diamine and imidazolidinone derivatives are underscored by the synthesis of an NK1 antagonist.
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Affiliation(s)
- Thomas J. Struble
- Department of Chemistry and Vanderbilt Institute of Chemical Biology, Vanderbilt University, Nashville, Tennessee 37235-1822, United States
| | - Hannah M. Lankswert
- Department of Chemistry and Vanderbilt Institute of Chemical Biology, Vanderbilt University, Nashville, Tennessee 37235-1822, United States
| | - Maren Pink
- Indiana University Molecular Structure Center, Bloomington, Indiana 47405, United States
| | - Jeffrey N. Johnston
- Department of Chemistry and Vanderbilt Institute of Chemical Biology, Vanderbilt University, Nashville, Tennessee 37235-1822, United States
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8
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Production of enantiopure β-amino-γ-hydroxyesters from benzoic acid by a selective formal aminohydroxylation. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.04.048] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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9
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El Bouakher A, Tasserie J, Le Goff R, Lhoste J, Martel A, Comesse S. Chemo-, Regio-, and Stereoselective Synthesis of Polysusbtituted Oxazolo[3,2-d][1,4]oxazepin-5(3H)ones via a Domino oxa-Michael/aza-Michael/Williamson Cycloetherification Sequence. J Org Chem 2017; 82:5798-5809. [PMID: 28467063 DOI: 10.1021/acs.joc.7b00629] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
| | - Jordan Tasserie
- FR
3032 CNRS, URCOM EA 3221, Normandie Univ, UNIHAVRE, 76600 Le Havre, France
| | - Ronan Le Goff
- FR
3032 CNRS, URCOM EA 3221, Normandie Univ, UNIHAVRE, 76600 Le Havre, France
| | - Jérôme Lhoste
- IMMM,
UMR 6283 CNRS, Université du Maine, 72088 Le Mans, France
| | - Arnaud Martel
- IMMM,
UMR 6283 CNRS, Université du Maine, 72088 Le Mans, France
| | - Sébastien Comesse
- FR
3032 CNRS, URCOM EA 3221, Normandie Univ, UNIHAVRE, 76600 Le Havre, France
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10
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Wang R, Zou H, Xiong Y, Yi N, Deng W, Xiang J. PhI(OAc)2-mediated 1,2-aminohalogenation of alkynes: a general access to (E)-4-(halomethylene)oxazolidin-2-ones. Org Biomol Chem 2017; 15:3964-3967. [DOI: 10.1039/c7ob00509a] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
A new PhI(OAc)2-mediated 1,2-aminohalogenation of prop-2-yn-1-yl carbamates and halogen sources is presented with excellent selectivity. The reaction is general for the construction of (E)-4-(halomethylene)oxazolidin-2-ones through the three-membered ring or N-radical.
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Affiliation(s)
- RuiJia Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- Hunan University
- Changsha 410082
- China
| | - Huaxu Zou
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- Hunan University
- Changsha 410082
- China
| | - Yi Xiong
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- Hunan University
- Changsha 410082
- China
| | - Niannian Yi
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- Hunan University
- Changsha 410082
- China
| | - Wei Deng
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- Hunan University
- Changsha 410082
- China
| | - Jiannan Xiang
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- Hunan University
- Changsha 410082
- China
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