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Brandolese A, Greenhalgh MD, Desrues T, Liu X, Qu S, Bressy C, Smith AD. Horeau amplification in the sequential acylative kinetic resolution of (±)-1,2-diols and (±)-1,3-diols in flow. Org Biomol Chem 2021; 19:3620-3627. [PMID: 33908571 DOI: 10.1039/d1ob00304f] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The sequential acylative kinetic resolution (KR) of C2-symmetric (±)-1,2-syn and (±)-1,3-anti-diols using a packed bed microreactor loaded with the polystyrene-supported isothiourea, HyperBTM, is demonstrated in flow. The sequential KRs of C2-symmetric (±)-1,2-syn and (±)-1,3-anti-diols exploits Horeau amplification, with each composed of two successive KR processes, with each substrate class significantly differing in the relative rate constants for each KR process. Optimisation of the continuous flow set-up for both C2-symmetric (±)-1,2-syn and (±)-1,3-anti-diol substrate classes allowed isolation of reaction products in both high enantiopurity and yield. In addition to the successful KR of C2-symmetric (±)-1,2-syn and (±)-1,3-anti-diols, the application of this process to the more conceptually-complex scenario involving the sequential KR of C1-symmetric (±)-1,3-anti-diols was demonstrated, which involves eight independent rate constants.
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Affiliation(s)
- Arianna Brandolese
- EaStCHEM, School of Chemistry, University of St Andrews, St Andrews, Fife KY16 9ST, UK. and Department of Chemical and Pharmaceutical Sciences, University of Ferrara, Via L. Borsari, 46, 44121 Ferrara, Italy
| | - Mark D Greenhalgh
- EaStCHEM, School of Chemistry, University of St Andrews, St Andrews, Fife KY16 9ST, UK. and Department of Chemistry, University of Warwick, Coventry, CV4 7AL, UK
| | - Titouan Desrues
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2 Marseille, France.
| | - Xueyang Liu
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2 Marseille, France.
| | - Shen Qu
- EaStCHEM, School of Chemistry, University of St Andrews, St Andrews, Fife KY16 9ST, UK.
| | - Cyril Bressy
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2 Marseille, France.
| | - Andrew D Smith
- EaStCHEM, School of Chemistry, University of St Andrews, St Andrews, Fife KY16 9ST, UK.
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Metrano AJ, Chinn AJ, Shugrue CR, Stone EA, Kim B, Miller SJ. Asymmetric Catalysis Mediated by Synthetic Peptides, Version 2.0: Expansion of Scope and Mechanisms. Chem Rev 2020; 120:11479-11615. [PMID: 32969640 PMCID: PMC8006536 DOI: 10.1021/acs.chemrev.0c00523] [Citation(s) in RCA: 98] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Low molecular weight synthetic peptides have been demonstrated to be effective catalysts for an increasingly wide array of asymmetric transformations. In many cases, these peptide-based catalysts have enabled novel multifunctional substrate activation modes and unprecedented selectivity manifolds. These features, along with their ease of preparation, modular and tunable structures, and often biomimetic attributes make peptides well-suited as chiral catalysts and of broad interest. Many examples of peptide-catalyzed asymmetric reactions have appeared in the literature since the last survey of this broad field in Chemical Reviews (Chem. Rev. 2007, 107, 5759-5812). The overarching goal of this new Review is to provide a comprehensive account of the numerous advances in the field. As a corollary to this goal, we survey the many different types of catalytic reactions, ranging from acylation to C-C bond formation, in which peptides have been successfully employed. In so doing, we devote significant discussion to the structural and mechanistic aspects of these reactions that are perhaps specific to peptide-based catalysts and their interactions with substrates and/or reagents.
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Affiliation(s)
- Anthony J. Metrano
- AstraZeneca Oncology R&D, 35 Gatehouse Dr., Waltham, MA 02451, United States
| | - Alex J. Chinn
- Department of Chemistry, Princeton University, Princeton, NJ 08544, United States
| | - Christopher R. Shugrue
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, United States
| | - Elizabeth A. Stone
- Department of Chemistry, Yale University, P.O. Box 208107, New Haven, CT 06520, United States
| | - Byoungmoo Kim
- Department of Chemistry, Clemson University, Clemson, SC 29634, United States
| | - Scott J. Miller
- Department of Chemistry, Yale University, P.O. Box 208107, New Haven, CT 06520, United States
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3
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Qin P, Wang L, O'Connor JM, Baldridge KK, Li Y, Tufekci B, Chen J, Rheingold AL. Transition‐Metal Catalysis of Triene 6π Electrocyclization: The π‐Complexation Strategy Realized. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202006992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Pengjin Qin
- Department of Chemistry and Biochemistry University of California, San Diego La Jolla CA 92093-0358 USA
| | - Li‐An Wang
- Department of Chemistry and Biochemistry University of California, San Diego La Jolla CA 92093-0358 USA
| | - Joseph M. O'Connor
- Department of Chemistry and Biochemistry University of California, San Diego La Jolla CA 92093-0358 USA
| | - Kim K. Baldridge
- School of Pharmaceutical Science and Technology Tianjin University 92 Weijin Road, Nankai District Tianjin P. R. China
| | - Yifan Li
- Department of Chemistry and Biochemistry University of California, San Diego La Jolla CA 92093-0358 USA
| | - Burak Tufekci
- Department of Chemistry and Biochemistry University of California, San Diego La Jolla CA 92093-0358 USA
| | - Jiyue Chen
- Department of Chemistry and Biochemistry University of California, San Diego La Jolla CA 92093-0358 USA
| | - Arnold L. Rheingold
- Department of Chemistry and Biochemistry University of California, San Diego La Jolla CA 92093-0358 USA
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Qin P, Wang LA, O'Connor JM, Baldridge KK, Li Y, Tufekci B, Chen J, Rheingold AL. Transition-Metal Catalysis of Triene 6π Electrocyclization: The π-Complexation Strategy Realized. Angew Chem Int Ed Engl 2020; 59:17958-17965. [PMID: 32510720 DOI: 10.1002/anie.202006992] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Indexed: 01/14/2023]
Abstract
Triene 6π electrocyclization, wherein a conjugated triene undergoes a concerted stereospecific cycloisomerization to a cyclohexadiene, is a reaction of great historical and practical significance. In order to circumvent limitations imposed by the normally harsh reaction conditions, chemists have long sought to develop catalytic variants based upon the activating power of metal-alkene coordination. Herein, we demonstrate the first successful implementation of such a strategy by utilizing [(C5 H5 )Ru(NCMe)3 ]PF6 as a precatalyst for the disrotatory 6π electrocyclization of highly substituted trienes that are resistant to thermal cyclization. Mechanistic and computational studies implicate hexahapto transition-metal coordination as responsible for lowering the energetic barrier to ring closure. This work establishes a foundation for the development of new catalysts for stereoselective electrocyclizations.
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Affiliation(s)
- Pengjin Qin
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA, 92093-0358, USA
| | - Li-An Wang
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA, 92093-0358, USA
| | - Joseph M O'Connor
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA, 92093-0358, USA
| | - Kim K Baldridge
- School of Pharmaceutical Science and Technology, Tianjin University, 92 Weijin Road, Nankai District, Tianjin, P. R. China
| | - Yifan Li
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA, 92093-0358, USA
| | - Burak Tufekci
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA, 92093-0358, USA
| | - Jiyue Chen
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA, 92093-0358, USA
| | - Arnold L Rheingold
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA, 92093-0358, USA
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5
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Greenhalgh MD, Taylor JE, Smith AD. Best practice considerations for using the selectivity factor, s, as a metric for the efficiency of kinetic resolutions. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.05.069] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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Gaspa S, Amura I, Porcheddu A, De Luca L. Anhydrides from aldehydes or alcohols via oxidative cross-coupling. NEW J CHEM 2017. [DOI: 10.1039/c6nj02625g] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
A novel type of oxidative cross-coupling was developed to prepare symmetrical and mixed anhydrides from aldehydes or alcohols using trichloroisocyanuric acid (TCCA).
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Affiliation(s)
- Silvia Gaspa
- Dipartimento di Chimica e Farmacia
- Università degli Studi di Sassari
- 07100 Sassari
- Italy
| | - Ida Amura
- Dipartimento di Chimica e Farmacia
- Università degli Studi di Sassari
- 07100 Sassari
- Italy
| | - Andrea Porcheddu
- Dipartimento di Scienze Chimiche e Geologiche
- Università degli Studi di Cagliari
- Cittadella Universitaria
- 09042 Monserrato
- Italy
| | - Lidia De Luca
- Dipartimento di Chimica e Farmacia
- Università degli Studi di Sassari
- 07100 Sassari
- Italy
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Gurubrahamam R, Cheng YS, Huang WY, Chen K. Recent Advances in Organocatalytic Kinetic Resolution for the Synthesis of Functionalized Products. ChemCatChem 2015. [DOI: 10.1002/cctc.201500455] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Ramani Gurubrahamam
- Department of Chemistry; National Taiwan Normal University; Taipei Taiwan 116 R.O. China
| | - You-Song Cheng
- Department of Chemistry; National Taiwan Normal University; Taipei Taiwan 116 R.O. China
| | - Wan-Yun Huang
- Department of Chemistry; National Taiwan Normal University; Taipei Taiwan 116 R.O. China
| | - Kwunmin Chen
- Department of Chemistry; National Taiwan Normal University; Taipei Taiwan 116 R.O. China
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