Transition-Metal-Catalyzed C–C Bond Macrocyclization via Intramolecular C–H Bond Activation

Macrocycles are commonly synthesized via late-stage macrolactamization and macrolactonization. Strategies involving C–C bond macrocyclization have been reported, and examples include the transition-metal-catalyzed ring-closing metathesis and coupling reactions. In this mini-review, we summarize the...

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Main Authors: Xiao Wang, Ming-Zhu Lu, Teck-Peng Loh
Format: Article
Language:English
Published: MDPI AG 2023-02-01
Series:Catalysts
Subjects:
Online Access:https://www.mdpi.com/2073-4344/13/2/438
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author Xiao Wang
Ming-Zhu Lu
Teck-Peng Loh
author_facet Xiao Wang
Ming-Zhu Lu
Teck-Peng Loh
author_sort Xiao Wang
collection DOAJ
description Macrocycles are commonly synthesized via late-stage macrolactamization and macrolactonization. Strategies involving C–C bond macrocyclization have been reported, and examples include the transition-metal-catalyzed ring-closing metathesis and coupling reactions. In this mini-review, we summarize the recent progress in the direct synthesis of polyketide and polypeptide macrocycles using a transition-metal-catalyzed C–H bond activation strategy. In the first part, rhodium-catalyzed alkene–alkene ring-closing coupling for polyketide synthesis is described. The second part summarizes the synthesis of polypeptide macrocycles. The activation of indolyl and aryl C(sp<sup>2</sup>)–H bonds followed by coupling with various coupling partners such as aryl halides, arylates, and alkynyl bromide is then documented. Moreover, transition-metal-catalyzed C–C bond macrocyclization reactions via alkyl C(sp<sup>3</sup>)–H bond activation are also included. We hope that this mini-review will inspire more researchers to explore new and broadly applicable strategies for C–C bond macrocyclization via intramolecular C–H activation.
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spelling doaj.art-dcea92ec20594668980773d0475f02b22023-11-16T19:43:11ZengMDPI AGCatalysts2073-43442023-02-0113243810.3390/catal13020438Transition-Metal-Catalyzed C–C Bond Macrocyclization via Intramolecular C–H Bond ActivationXiao Wang0Ming-Zhu Lu1Teck-Peng Loh2Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, ChinaCollege of Advanced Interdisciplinary Science and Technology, Henan University of Technology, Zhengzhou 450001, ChinaInstitute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, ChinaMacrocycles are commonly synthesized via late-stage macrolactamization and macrolactonization. Strategies involving C–C bond macrocyclization have been reported, and examples include the transition-metal-catalyzed ring-closing metathesis and coupling reactions. In this mini-review, we summarize the recent progress in the direct synthesis of polyketide and polypeptide macrocycles using a transition-metal-catalyzed C–H bond activation strategy. In the first part, rhodium-catalyzed alkene–alkene ring-closing coupling for polyketide synthesis is described. The second part summarizes the synthesis of polypeptide macrocycles. The activation of indolyl and aryl C(sp<sup>2</sup>)–H bonds followed by coupling with various coupling partners such as aryl halides, arylates, and alkynyl bromide is then documented. Moreover, transition-metal-catalyzed C–C bond macrocyclization reactions via alkyl C(sp<sup>3</sup>)–H bond activation are also included. We hope that this mini-review will inspire more researchers to explore new and broadly applicable strategies for C–C bond macrocyclization via intramolecular C–H activation.https://www.mdpi.com/2073-4344/13/2/438transition-metal catalysisC–H activationmacrocyclizationpolyketide macrocyclespolypeptide macrocycles
spellingShingle Xiao Wang
Ming-Zhu Lu
Teck-Peng Loh
Transition-Metal-Catalyzed C–C Bond Macrocyclization via Intramolecular C–H Bond Activation
Catalysts
transition-metal catalysis
C–H activation
macrocyclization
polyketide macrocycles
polypeptide macrocycles
title Transition-Metal-Catalyzed C–C Bond Macrocyclization via Intramolecular C–H Bond Activation
title_full Transition-Metal-Catalyzed C–C Bond Macrocyclization via Intramolecular C–H Bond Activation
title_fullStr Transition-Metal-Catalyzed C–C Bond Macrocyclization via Intramolecular C–H Bond Activation
title_full_unstemmed Transition-Metal-Catalyzed C–C Bond Macrocyclization via Intramolecular C–H Bond Activation
title_short Transition-Metal-Catalyzed C–C Bond Macrocyclization via Intramolecular C–H Bond Activation
title_sort transition metal catalyzed c c bond macrocyclization via intramolecular c h bond activation
topic transition-metal catalysis
C–H activation
macrocyclization
polyketide macrocycles
polypeptide macrocycles
url https://www.mdpi.com/2073-4344/13/2/438
work_keys_str_mv AT xiaowang transitionmetalcatalyzedccbondmacrocyclizationviaintramolecularchbondactivation
AT mingzhulu transitionmetalcatalyzedccbondmacrocyclizationviaintramolecularchbondactivation
AT teckpengloh transitionmetalcatalyzedccbondmacrocyclizationviaintramolecularchbondactivation