1
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Probasco KC, Jennings MP. Stereoselective Halo-Succinimide Facilitated α-Halogenations of Substituted α-Trialkylsilyl-β-Substituted-α,β-Unsaturated Esters. J Org Chem 2021; 86:8945-8954. [PMID: 34161091 DOI: 10.1021/acs.joc.1c00876] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The NXS (X = Cl, Br)-mediated halogenation of a series of (E)-α-trimethylsilyl-β-alkyl(aryl)-α,β-unsaturated esters in dimethylformamide (DMF) has furnished (Z)-β-substituted-α-halogenated-α,β-unsaturated ester products in moderate to high isolated yields (58-90%) with dr values of >20:1 coupled with the inversion of olefin stereochemistry. The reaction process was hypothesized to include an initial halonium cation intermediate, followed by regioselective ring opening with DMF. Subsequent anti-E2-type concomitant elimination allowed for the stereoselective formation of the product vinylic bromo-and chloroesters.
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Affiliation(s)
- Kristina C Probasco
- Department of Chemistry and Biochemistry, The University of Alabama, 250 Hackberry Lane, Tuscaloosa, Alabama 35487-0336, United States
| | - Michael P Jennings
- Department of Chemistry and Biochemistry, The University of Alabama, 250 Hackberry Lane, Tuscaloosa, Alabama 35487-0336, United States
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2
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Sutar RL, Erochok N, Huber SM. Mukaiyama aldol reaction catalyzed by (benz)imidazolium-based halogen bond donors. Org Biomol Chem 2021; 19:770-774. [PMID: 33432958 DOI: 10.1039/d0ob02503h] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A series of cationic monodentate and bidentate iodo(benz)imidazolium-based halogen bond (XB) donors were employed as catalysts in a Mukaiyama aldol reaction. While 5 mol% of a monodentate variant showed noticeable activity, a syn-preorganized bidentate XB donor provided a strong performance even with 0.5 mol% loading. In contrast to the very active BArF4 salts, PF6 or OTf salts were either inactive or showed background reaction through Lewis base catalysis. Repetition experiments clearly ruled out a potential hidden catalysis by elemental iodine and demonstrated the stability of our catalyst over three consecutive cycles.
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Affiliation(s)
- Revannath L Sutar
- Fakultät für Chemie und Biochemie, Ruhr-Universität Bochum, Universitätsstraße 150, 44801 Bochum, Germany.
| | - Nikita Erochok
- Fakultät für Chemie und Biochemie, Ruhr-Universität Bochum, Universitätsstraße 150, 44801 Bochum, Germany.
| | - Stefan M Huber
- Fakultät für Chemie und Biochemie, Ruhr-Universität Bochum, Universitätsstraße 150, 44801 Bochum, Germany.
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3
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Water plays a crucial role: Small molecule catalyzed C–C/C–X bond forming reactions using organosilicon reagents under “wet” conditions. Tetrahedron 2020. [DOI: 10.1016/j.tet.2020.131254] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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4
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Johnson DA, Mueller Hendrix AJ, Jennings MP. Diastereoselective Syntheses of (E)-α-Trialkylsilyl α,β-Unsaturated Esters, α-Silane-Substituted Conjugated Silyl Ketene Acetals, and α,γ-Substituted Allylsilanes. J Org Chem 2018; 83:9914-9928. [DOI: 10.1021/acs.joc.8b01209] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- David A. Johnson
- Department of Chemistry, The University of Alabama, 250 Hackberry
Lane, Tuscaloosa, Alabama 35487-0336, United States
| | - Amanda J. Mueller Hendrix
- Department of Chemistry, The University of Alabama, 250 Hackberry
Lane, Tuscaloosa, Alabama 35487-0336, United States
| | - Michael P. Jennings
- Department of Chemistry, The University of Alabama, 250 Hackberry
Lane, Tuscaloosa, Alabama 35487-0336, United States
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5
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Naganawa Y, Abe H, Nishiyama H. Design of bifunctional chiral phenanthroline ligand with Lewis basic site for palladium-catalyzed asymmetric allylic substitution. Chem Commun (Camb) 2018; 54:2674-2677. [DOI: 10.1039/c8cc00754c] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Conceptually new bifunctional chiral ligands with Lewis basic site were developed for Pd-catalyzed asymmetric allylic substitution.
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Affiliation(s)
- Yuki Naganawa
- Department of Applied Chemistry, Graduate School of Engineering, Nagoya University
- Chikusa
- Japan
- Interdisciplinary Research Center for Catalytic Chemistry, National Institute of Advanced Industrial Science and Technology
- Tsukuba 305-8565
| | - Hiroki Abe
- Department of Applied Chemistry, Graduate School of Engineering, Nagoya University
- Chikusa
- Japan
| | - Hisao Nishiyama
- Department of Applied Chemistry, Graduate School of Engineering, Nagoya University
- Chikusa
- Japan
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6
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Asano N, Sasaki K, Chataigner I, Shigeno M, Kondo Y. Sodium Phenoxide Mediated Hydroxymethylation of Alkynylsilanes with N
-[(Trimethylsiloxy)methyl]phthalimide. European J Org Chem 2017. [DOI: 10.1002/ejoc.201701440] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Narumi Asano
- Department of Biophysical Chemistry; Graduate School of Pharmaceutical Science; Tohoku University; 6-3 Aoba 980-8578 Sendai Japan
| | - Keita Sasaki
- Department of Biophysical Chemistry; Graduate School of Pharmaceutical Science; Tohoku University; 6-3 Aoba 980-8578 Sendai Japan
| | - Isabelle Chataigner
- Normandie Université; INSA Rouen; UNIROUEN; CNRS; COBRA laboratory (UMR 6014 & FR3038); 76000 Rouen France
| | - Masanori Shigeno
- Department of Biophysical Chemistry; Graduate School of Pharmaceutical Science; Tohoku University; 6-3 Aoba 980-8578 Sendai Japan
| | - Yoshinori Kondo
- Department of Biophysical Chemistry; Graduate School of Pharmaceutical Science; Tohoku University; 6-3 Aoba 980-8578 Sendai Japan
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7
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Acylative kinetic resolution of racemic aromatic β-hydroxy esters catalyzed by chiral nucleophilic N -(1-arylethyl)benzoguanidines. ACTA ACUST UNITED AC 2017. [DOI: 10.1016/j.tetasy.2017.03.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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8
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Samoilichenko Y, Kondratenko V, Ezernitskaya M, Lyssenko K, Peregudov A, Khrustalev V, Maleev V, Moskalenko M, North M, Tsaloev A, Gugkaeva ZT, Belokon Y. A mechanistic study of the Lewis acid–Brønsted base–Brønsted acid catalysed asymmetric Michael addition of diethyl malonate to cyclohexenone. Catal Sci Technol 2017. [DOI: 10.1039/c6cy01697a] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Reaction shown to exhibit biomimetic behaviour.
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Affiliation(s)
- Yuri Samoilichenko
- A. N. Nesmeyanov Institute of Organoelement Compounds
- Russian Academy of Sciences
- Russian Federation
| | - Veronica Kondratenko
- A. N. Nesmeyanov Institute of Organoelement Compounds
- Russian Academy of Sciences
- Russian Federation
| | - Mariam Ezernitskaya
- A. N. Nesmeyanov Institute of Organoelement Compounds
- Russian Academy of Sciences
- Russian Federation
| | - Konstantin Lyssenko
- A. N. Nesmeyanov Institute of Organoelement Compounds
- Russian Academy of Sciences
- Russian Federation
| | - Alexander Peregudov
- A. N. Nesmeyanov Institute of Organoelement Compounds
- Russian Academy of Sciences
- Russian Federation
| | - Victor Khrustalev
- A. N. Nesmeyanov Institute of Organoelement Compounds
- Russian Academy of Sciences
- Russian Federation
- Peoples' Friendship University of Russia
- Russian Federation
| | - Victor Maleev
- A. N. Nesmeyanov Institute of Organoelement Compounds
- Russian Academy of Sciences
- Russian Federation
| | - Margarita Moskalenko
- A. N. Nesmeyanov Institute of Organoelement Compounds
- Russian Academy of Sciences
- Russian Federation
| | - Michael North
- Green Chemistry Centre of Excellence
- Department of Chemistry
- The University of York
- York
- YO10 5DD UK
| | - Alan Tsaloev
- Chemical Diversity Research Institute
- Khimki
- Russian Federation
| | - Zalina T. Gugkaeva
- A. N. Nesmeyanov Institute of Organoelement Compounds
- Russian Academy of Sciences
- Russian Federation
| | - Yuri Belokon
- A. N. Nesmeyanov Institute of Organoelement Compounds
- Russian Academy of Sciences
- Russian Federation
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9
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Pyridine N-Oxides and Derivatives Thereof in Organocatalysis. TOPICS IN HETEROCYCLIC CHEMISTRY 2017. [DOI: 10.1007/7081_2017_3] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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10
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Yamada A, Nakata K. (R)-(+)-N-Methylbenzoguanidine ((R)-NMBG) catalyzed acylative kinetic resolution of racemic 3-hydroxy-3-aryl-propanoates. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.09.014] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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11
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Weber F, Becker F, Keller M, Hillebrecht H, Brückner R. Aldol Additions of Titanium and Boron Enolates of Achiral and Chiral δ-Lactones to Achiral Model Aldehydes: Simple and Induced Diastereoselectivities. European J Org Chem 2015. [DOI: 10.1002/ejoc.201501128] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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12
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Zheng PF, Ouyang Q, Niu SL, Shuai L, Yuan Y, Jiang K, Liu TY, Chen YC. Enantioselective [4 + 1] Annulation Reactions of α-Substituted Ammonium Ylides To Construct Spirocyclic Oxindoles. J Am Chem Soc 2015; 137:9390-9. [PMID: 26151623 DOI: 10.1021/jacs.5b04792] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Peng-Fei Zheng
- College
of Pharmacy, Third Military Medical University, Chongqing 400038, China
| | - Qin Ouyang
- College
of Pharmacy, Third Military Medical University, Chongqing 400038, China
| | - Sheng-Li Niu
- College
of Pharmacy, Third Military Medical University, Chongqing 400038, China
| | - Li Shuai
- College
of Pharmacy, Third Military Medical University, Chongqing 400038, China
| | - Yi Yuan
- College
of Pharmacy, Third Military Medical University, Chongqing 400038, China
| | - Kun Jiang
- College
of Pharmacy, Third Military Medical University, Chongqing 400038, China
| | - Tian-Yu Liu
- 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, West China School of Pharmacy, and State Key Laboratory
of Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, China
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13
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Yanagisawa A, Miyake R, Yoshida K. Asymmetric Aldol Reaction Catalyzed by a Chiral Phosphine-Silver Complex. European J Org Chem 2014. [DOI: 10.1002/ejoc.201402351] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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