1
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Shezaf JZ, Santana CG, Ortiz E, Meyer CC, Liu P, Sakata K, Huang KW, Krische MJ. Leveraging the Stereochemical Complexity of Octahedral Diastereomeric-at-Metal Catalysts to Unlock Regio-, Diastereo-, and Enantioselectivity in Alcohol-Mediated C-C Couplings via Hydrogen Transfer. J Am Chem Soc 2024; 146:7905-7914. [PMID: 38478891 PMCID: PMC11446212 DOI: 10.1021/jacs.4c01857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2024]
Abstract
Experimental and computational studies illuminating the factors that guide metal-centered stereogenicity and, therefrom, selectivity in transfer hydrogenative carbonyl additions of alcohol proelectrophiles catalyzed by chiral-at-metal-and-ligand octahedral d6 metal ions, iridium(III) and ruthenium(II), are described. To augment or invert regio-, diastereo-, and enantioselectivity, predominantly one from among as many as 15 diastereomeric-at-metal complexes is required. For iridium(III) catalysts, cyclometalation assists in defining the metal stereocenter, and for ruthenium(II) catalysts, iodide counterions play a key role. Whereas classical strategies to promote selectivity in metal catalysis aim for high-symmetry transition states, well-defined low-symmetry transition states can unlock selectivities that are otherwise difficult to achieve or inaccessible.
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Affiliation(s)
- Jonathan Z Shezaf
- Department of Chemistry, University of Texas at Austin, Austin, Texas 78712, United States
| | - Catherine G Santana
- Department of Chemistry, University of Texas at Austin, Austin, Texas 78712, United States
| | - Eliezer Ortiz
- Department of Chemistry, University of Texas at Austin, Austin, Texas 78712, United States
| | - Cole C Meyer
- Department of Chemistry, University of Texas at Austin, Austin, Texas 78712, United States
| | - Peng Liu
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
| | - Ken Sakata
- Faculty of Pharmaceutical Sciences, Toho University, Funabashi, Chiba 274-8510, Japan
| | - Kuo-Wei Huang
- KAUST Catalysis Center and Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Michael J Krische
- Department of Chemistry, University of Texas at Austin, Austin, Texas 78712, United States
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2
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Shaff AB, Yang L, Lee MT, Lalic G. Stereospecific and Regioselective Synthesis of E-Allylic Alcohols through Reductive Cross Coupling of Terminal Alkynes. J Am Chem Soc 2023. [PMID: 37917569 DOI: 10.1021/jacs.3c06963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2023]
Abstract
We have developed a convergent method for the synthesis of allylic alcohols that involves a reductive coupling of terminal alkynes with α-chloro boronic esters. The new method affords allylic alcohols with excellent regioselectivity (anti-Markovnikov) and an E/Z ratio greater than 200:1. The reaction can be performed in the presence of a wide range of functional groups and has a substrate scope that complements the stoichiometric alkenylation of α-chloro boronic esters performed using alkenyl lithium and Grignard reagents. The transformation is stereospecific and allows for the robust and highly selective synthesis of chiral allylic alcohols. Our studies support a mechanism that involves hydrocupration of the alkyne and cross-coupling of the alkenyl copper intermediate with α-chloro boronic esters. Experimental evidence excludes a radical mechanism of the cross-coupling step and is consistent with the formation of a boron-ate intermediate and a 1,2-metalate shift.
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Affiliation(s)
- Austin B Shaff
- Department of Chemistry, University of Washington, Seattle, Washington 98195, United States
| | - Langxuan Yang
- Department of Chemistry, University of Washington, Seattle, Washington 98195, United States
| | - Mitchell T Lee
- Department of Chemistry, University of Washington, Seattle, Washington 98195, United States
| | - Gojko Lalic
- Department of Chemistry, University of Washington, Seattle, Washington 98195, United States
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3
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Wang Y, Dana S, Long H, Xu Y, Li Y, Kaplaneris N, Ackermann L. Electrochemical Late-Stage Functionalization. Chem Rev 2023; 123:11269-11335. [PMID: 37751573 PMCID: PMC10571048 DOI: 10.1021/acs.chemrev.3c00158] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Indexed: 09/28/2023]
Abstract
Late-stage functionalization (LSF) constitutes a powerful strategy for the assembly or diversification of novel molecular entities with improved physicochemical or biological activities. LSF can thus greatly accelerate the development of medicinally relevant compounds, crop protecting agents, and functional materials. Electrochemical molecular synthesis has emerged as an environmentally friendly platform for the transformation of organic compounds. Over the past decade, electrochemical late-stage functionalization (eLSF) has gained major momentum, which is summarized herein up to February 2023.
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Affiliation(s)
| | | | | | - Yang Xu
- Institut für Organische
und Biomolekulare Chemie and Wöhler Research Institute for
Sustainable Chemistry (WISCh), Georg-August-Universität, Göttingen 37077, Germany
| | - Yanjun Li
- Institut für Organische
und Biomolekulare Chemie and Wöhler Research Institute for
Sustainable Chemistry (WISCh), Georg-August-Universität, Göttingen 37077, Germany
| | - Nikolaos Kaplaneris
- Institut für Organische
und Biomolekulare Chemie and Wöhler Research Institute for
Sustainable Chemistry (WISCh), Georg-August-Universität, Göttingen 37077, Germany
| | - Lutz Ackermann
- Institut für Organische
und Biomolekulare Chemie and Wöhler Research Institute for
Sustainable Chemistry (WISCh), Georg-August-Universität, Göttingen 37077, Germany
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4
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Shezaf JZ, Santana CG, Saludares C, Briceno ES, Sakata K, Krische MJ. Chiral-at-Ruthenium-SEGPHOS Catalysts Display Diastereomer-Dependent Regioselectivity: Enantioselective Isoprene-Mediated Carbonyl tert-Prenylation via Halide Counterion Effects. J Am Chem Soc 2023; 145:18676-18683. [PMID: 37555765 PMCID: PMC10530498 DOI: 10.1021/jacs.3c06734] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/10/2023]
Abstract
The first correlation between metal-centered stereogenicity and regioselectivity in a catalytic process is described. Alternate pseudo-diastereomeric chiral-at-ruthenium complexes of the type RuX(CO)[η3-prenyl][(S)-SEGPHOS] form in a halide-dependent manner and display divergent regioselectivity in catalytic C-C couplings of isoprene to alcohol proelectrophiles via hydrogen autotransfer. Whereas the chloride-bound ruthenium-SEGPHOS complex prefers a trans-relationship between the halide and carbonyl ligands and delivers products of carbonyl sec-prenylation, the iodide-bound ruthenium-SEGPHOS complex prefers a cis-relationship between the halide and carbonyl ligands and delivers products of carbonyl tert-prenylation. The chloride- and iodide-bound ruthenium-SEGPHOS complexes were characterized in solution and solid phase by 31P NMR and X-ray diffraction. Density functional theory calculations of the iodide-bound catalyst implicate a Curtin-Hammett-type scenario in which the transition states for aldehyde coordination from an equilibrating mixture of sec- and tert-prenylruthenium complexes are rate- and product-determining. Thus, control of metal-centered diastereoselectivity has unlocked the first catalytically enantioselective isoprene-mediated carbonyl tert-prenylations.
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Affiliation(s)
- Jonathan Z Shezaf
- Department of Chemistry, University of Texas at Austin, 105 East 24th Street, Austin, Texas 78712, United States
| | - Catherine G Santana
- Department of Chemistry, University of Texas at Austin, 105 East 24th Street, Austin, Texas 78712, United States
| | - Connor Saludares
- Department of Chemistry, University of Texas at Austin, 105 East 24th Street, Austin, Texas 78712, United States
| | - Edward S Briceno
- Department of Chemistry, University of Texas at Austin, 105 East 24th Street, Austin, Texas 78712, United States
| | - Ken Sakata
- Faculty of Pharmaceutical Sciences, Toho University, Funabashi, Chiba 274-8510, Japan
| | - Michael J Krische
- Department of Chemistry, University of Texas at Austin, 105 East 24th Street, Austin, Texas 78712, United States
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5
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Luan YY, Li JY, Gou XY, Shi WY, Ding T, Zhang Z, Chen X, Liu XY, Liang YM. Stereoselective Synthesis of Multisubstituted Alkenes via Ruthenium-Catalyzed Remote Migration Arylation of Nonactivated Olefins. Org Lett 2023. [PMID: 37399076 DOI: 10.1021/acs.orglett.3c01844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/05/2023]
Abstract
Polysubstituted alkenes are an important class of organic intermediates that widely exist in various natural products and drug molecules. Herein, we reported a stereoselective synthesis of multisubstituted alkenes via ruthenium-catalyzed remote migration arylation of nonactivated olefins. This strategy exhibited wide substrate suitability and excellent functional group tolerance. In addition, we demonstrated the indispensable role of two types of ruthenium through mechanism experiments.
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Affiliation(s)
- Yu-Yong Luan
- State Key Laboratory of Applied Organic Chemistry, School of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P.R. China
| | - Jin-Ye Li
- State Key Laboratory of Applied Organic Chemistry, School of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P.R. China
| | - Xue-Ya Gou
- State Key Laboratory of Applied Organic Chemistry, School of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P.R. China
| | - Wei-Yu Shi
- State Key Laboratory of Applied Organic Chemistry, School of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P.R. China
| | - Tian Ding
- State Key Laboratory of Applied Organic Chemistry, School of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P.R. China
| | - Zhe Zhang
- State Key Laboratory of Applied Organic Chemistry, School of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P.R. China
| | - Xi Chen
- State Key Laboratory of Applied Organic Chemistry, School of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P.R. China
| | - Xue-Yuan Liu
- State Key Laboratory of Applied Organic Chemistry, School of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P.R. China
| | - Yong-Min Liang
- State Key Laboratory of Applied Organic Chemistry, School of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P.R. China
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6
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Meyer CC, Krische MJ. Iridium-, Ruthenium-, and Nickel-Catalyzed C-C Couplings of Methanol, Formaldehyde, and Ethanol with π-Unsaturated Pronucleophiles via Hydrogen Transfer. J Org Chem 2023; 88:4965-4974. [PMID: 36449710 PMCID: PMC10121765 DOI: 10.1021/acs.joc.2c02356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
In this Perspective, the use of methanol and ethanol as C1 and C2 feedstocks in metal-catalyzed C-C couplings to π-unsaturated pronucleophiles via hydrogen auto-transfer is surveyed. In these processes, alcohol oxidation to form an aldehyde electrophile is balanced by reduction of an π-unsaturated hydrocarbon to form a transient organometallic nucleophile. Mechanistically related reductive couplings of paraformaldehyde mediated by alcohol reductants or formic acid also are described. These processes encompass the first catalytic enantioselective C-C couplings of methanol and ethanol and, more broadly, illustrate how the native reducing ability of alcohols enable the departure from premetalated reagents in carbonyl addition.
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Affiliation(s)
- Cole C Meyer
- University of Texas at Austin, Department of Chemistry Welch Hall (A5300), 105 E 24th St, Austin, Texas 78712, United States
| | - Michael J Krische
- University of Texas at Austin, Department of Chemistry Welch Hall (A5300), 105 E 24th St, Austin, Texas 78712, United States
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7
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Saludares C, Ortiz E, Santana CG, Spinello BJ, Krische MJ. Asymmetric Ruthenium-Catalyzed Carbonyl Allylations by Gaseous Allene via Hydrogen Auto-Transfer: 1° vs 2° Alcohol Dehydrogenation for Streamlined Polyketide Construction. ACS Catal 2023; 13:1662-1668. [PMID: 37869365 PMCID: PMC10586519 DOI: 10.1021/acscatal.2c05425] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Iodide-bound ruthenium-JOSIPHOS complexes catalyze the redox-neutral C-C coupling of primary alcohols 2a-2r with the gaseous allene (propadiene) 1a to form enantiomerically enriched homoallylic alcohols 3a-3r with complete atom-efficiency. Using formic acid as reductant, aldehydes dehydro-2a and dehydro-2c participate in reductive C-C coupling with allene to deliver adducts 3a and 3c with comparable levels of asymmetric induction. Deuterium labeling studies corroborate a mechanism in which alcohol dehydrogenation triggers allene hydroruthenation to form transient allylruthenium-aldehyde pairs that participate in carbonyl addition. Notably, due to a kinetic preference for primary alcohol dehydrogenation, chemoselective C-C coupling of 1°,2°-1,3-diols occurs in the absence of protecting groups. As illustrated by the synthesis of C7-C15 of spirastrellolide B and F (7 vs 17 steps), C3-C10 of cryptocarya diacetate (3 vs 7 or 9 steps), and a fragment common to C8'-C14' of mycolactone F (1 vs 4 steps) and C22-C28 marinomycin A (1 vs 9 steps), this capability streamlines type I polyketide construction.
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Affiliation(s)
- Connor Saludares
- University of Texas at Austin, Department of Chemistry, 105 E 24th St. Austin, TX 78712, USA
| | - Eliezer Ortiz
- University of Texas at Austin, Department of Chemistry, 105 E 24th St. Austin, TX 78712, USA
| | - Cate G Santana
- University of Texas at Austin, Department of Chemistry, 105 E 24th St. Austin, TX 78712, USA
| | - Brian J Spinello
- University of Texas at Austin, Department of Chemistry, 105 E 24th St. Austin, TX 78712, USA
| | - Michael J Krische
- University of Texas at Austin, Department of Chemistry, 105 E 24th St. Austin, TX 78712, USA
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8
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Li H, Yang C, Wang D, Deng L. Cobalt-Catalyzed Regio- and Stereoselective Hydrosilylation of Alk-2-ynes with Tertiary Silanes. Organometallics 2023. [DOI: 10.1021/acs.organomet.2c00563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Hongfang Li
- College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
| | - Chengbo Yang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
| | - Dongyang Wang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
| | - Liang Deng
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
- School of Chemistry and Materials Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, 1 Sub-lane Xiangshan, Hangzhou 310024, China
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9
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Cui K, Li YL, Li G, Xia JB. Regio- and Stereoselective Reductive Coupling of Alkynes and Crotononitrile. J Am Chem Soc 2022; 144:23001-23009. [DOI: 10.1021/jacs.2c10021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Kun Cui
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- Institute of Advanced Materials, Jiangsu National Synergistic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 21181, China
| | - Yan-Lin Li
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Gongqiang Li
- Institute of Advanced Materials, Jiangsu National Synergistic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 21181, China
| | - Ji-Bao Xia
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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10
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Ma X, Feng A, Zhang D. DFT
mechanistic study on nickel/
IPr‐catalyzed aldehyde–alkyne
reductive couplings with trialkylsilane/dialkylsilane. J CHIN CHEM SOC-TAIP 2022. [DOI: 10.1002/jccs.202200439] [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]
Affiliation(s)
- Xuexiang Ma
- Key Lab of Colloid and Interface Chemistry, Ministry of Education, Institute of Theoretical Chemistry, School of Chemistry and Chemical Engineering Shandong University Jinan P. R. China
| | - Aili Feng
- Key Lab of Colloid and Interface Chemistry, Ministry of Education, Institute of Theoretical Chemistry, School of Chemistry and Chemical Engineering Shandong University Jinan P. R. China
| | - Dongju Zhang
- Key Lab of Colloid and Interface Chemistry, Ministry of Education, Institute of Theoretical Chemistry, School of Chemistry and Chemical Engineering Shandong University Jinan P. R. China
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11
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Ortiz E, Shezaf JZ, Shen W, Krische MJ. Historical perspective on ruthenium-catalyzed hydrogen transfer and survey of enantioselective hydrogen auto-transfer processes for the conversion of lower alcohols to higher alcohols. Chem Sci 2022; 13:12625-12633. [PMID: 36516346 PMCID: PMC9645367 DOI: 10.1039/d2sc05621f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 10/20/2022] [Indexed: 07/28/2023] Open
Abstract
Ruthenium-catalyzed hydrogen auto-transfer reactions for the direct enantioselective conversion of lower alcohols to higher alcohols are surveyed. These processes enable completely atom-efficient carbonyl addition from alcohol proelectrophiles in the absence of premetalated reagents or metallic reductants. Applications in target-oriented synthesis are highlighted, and a brief historical perspective on ruthenium-catalyzed hydrogen transfer processes is given.
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Affiliation(s)
- Eliezer Ortiz
- Department of Chemistry, University of Texas at Austin, Welch Hall (A5300) 105 E 24th St. Austin TX 78712 USA
| | - Jonathan Z Shezaf
- Department of Chemistry, University of Texas at Austin, Welch Hall (A5300) 105 E 24th St. Austin TX 78712 USA
| | - Weijia Shen
- Department of Chemistry, University of Texas at Austin, Welch Hall (A5300) 105 E 24th St. Austin TX 78712 USA
| | - Michael J Krische
- Department of Chemistry, University of Texas at Austin, Welch Hall (A5300) 105 E 24th St. Austin TX 78712 USA
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12
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Ortiz E, Shezaf J, Chang YH, Krische MJ. Enantioselective Metal-Catalyzed Reductive Coupling of Alkynes with Carbonyl Compounds and Imines: Convergent Construction of Allylic Alcohols and Amines. ACS Catal 2022; 12:8164-8174. [PMID: 37082110 PMCID: PMC10112658 DOI: 10.1021/acscatal.2c02444] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The use of alkynes as vinylmetal pronucleophiles in intermolecular enantioselective metal-catalyzed carbonyl and imine reductive couplings to form allylic alcohols and amines is surveyed. Related hydrogen auto-transfer processes, wherein alcohols or amines serve dually as reductants and carbonyl or imine proelectrophiles, also are cataloged, as are applications in target-oriented synthesis. These processes represent an emerging alternative to the use of stoichiometric vinylmetal reagents or Nozaki-Hiyama-Kishi (NHK) reactions in carbonyl and imine alkenylation.
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Affiliation(s)
- Eliezer Ortiz
- University of Texas at Austin, Department of Chemistry, Welch Hall (A5300), 105 E 24 St., Austin, TX 78712, USA
| | - Jonathan Shezaf
- University of Texas at Austin, Department of Chemistry, Welch Hall (A5300), 105 E 24 St., Austin, TX 78712, USA
| | - Yu-Hsiang Chang
- University of Texas at Austin, Department of Chemistry, Welch Hall (A5300), 105 E 24 St., Austin, TX 78712, USA
| | - Michael J. Krische
- University of Texas at Austin, Department of Chemistry, Welch Hall (A5300), 105 E 24 St., Austin, TX 78712, USA
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13
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Jiang B, Shi SL. Recent Progress in Upgrading of Alcohol and Amine via Asymmetric Dehydrogenative Coupling. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202207002] [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]
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