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1

Qiu, Youai, Julia Struwe, and Lutz Ackermann. "Metallaelectro-Catalyzed C–H Activation by Weak Coordination." Synlett 30, no. 10 (2019): 1164–73. http://dx.doi.org/10.1055/s-0037-1611568.

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The merger of organometallic C–H activation with electrocatalysis has emerged as a powerful strategy for molecular synthesis, avoiding the use of toxic and expensive chemical oxidants in stoichiometric quantities. This review summarizes recent progress in transition-metal-catalyzed electrochemical C–H activation by weak chelation assistance until March 2019.1 Introduction2 Ruthenaelectro-Catalyzed C–H Activation3 Rhodaelectro-Catalyzed C–H Activation4 Iridaelectro-Catalyzed C–H Activation5 Summary and Outlook
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2

Ahmed, A. El-Sayed, Y. Khaireldin Nahid, and A. El-Hefny Eman. "Review for metal and organocatalysis of heterocyclic C-H functionalization." World Journal of Advanced Research and Reviews 9, no. 1 (2021): 001–30. https://doi.org/10.5281/zenodo.4533706.

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Over the last few decades, significant efforts have been put forth towards the C−H bond group functionalization by transition-metalcatalysis and organocatalysis. Several efficient strategies to convert C-H bond to other groups C-C, C-N, C-O bonds have been implemented. The most attractive C-H bond functionalization was the C-H heterocyclic compounds activation that is practical method in organic synthesis. The new C–C, C–N and C–O bond as formed from the C-H bond activation by two diverse ways metal catalysis and/or organocatalysis. The most important is the synthesis o
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3

Ilies, Laurean. "Iron-Catalyzed C-H Bond Activation." Journal of Synthetic Organic Chemistry, Japan 75, no. 8 (2017): 802–9. http://dx.doi.org/10.5059/yukigoseikyokaishi.75.802.

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4

Liu, Yunyun, and Baoli Zhao. "Step-Economical C–H Activation Reactions Directed by In Situ Amidation." Synthesis 52, no. 21 (2020): 3211–18. http://dx.doi.org/10.1055/s-0040-1707124.

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Owing to the inherent ability of amides to chelate transition-metal catalysts, amide-directed C–H activation reactions constitute a major tactic in directed C–H activation reactions. While the conventional procedures for these reactions usually involve prior preparation and purification of amide substrates before the C–H activation, the step economy is actually undermined by the operation of installing the directing group (DG) and related substrate purification. In this context, directed C–H activation via in situ amidation of the crude material provides a new protocol that can significantly e
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5

LI, Chao-Jun. "C―H Activation." Acta Physico-Chimica Sinica 35, no. 9 (2019): 905. http://dx.doi.org/10.3866/pku.whxb201903057.

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6

Bergman, Robert G. "C–H activation." Nature 446, no. 7134 (2007): 391–93. http://dx.doi.org/10.1038/446391a.

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7

Holland, Herbert L. "C–H activation." Current Opinion in Chemical Biology 3, no. 1 (1999): 22–27. http://dx.doi.org/10.1016/s1367-5931(99)80005-2.

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8

Sauermann, Nicolas, Tjark H. Meyer, Youai Qiu, and Lutz Ackermann. "Electrocatalytic C–H Activation." ACS Catalysis 8, no. 8 (2018): 7086–103. http://dx.doi.org/10.1021/acscatal.8b01682.

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9

Bowring, Miriam A., Robert G. Bergman, and T. Don Tilley. "Pt-Catalyzed C–C Activation Induced by C–H Activation." Journal of the American Chemical Society 135, no. 35 (2013): 13121–28. http://dx.doi.org/10.1021/ja406260j.

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10

Diefenbach, Axel, and F. Matthias Bickelhaupt. "Activation of H−H, C−H, C−C, and C−Cl Bonds by Pd(0). Insight from the Activation Strain Model." Journal of Physical Chemistry A 108, no. 40 (2004): 8460–66. http://dx.doi.org/10.1021/jp047986+.

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11

Yang, Yajie, Jiaqi Huang, Hailu Tan, et al. "Synthesis of cyano-substituted carbazoles via successive C–C/C–H cleavage." Organic & Biomolecular Chemistry 17, no. 4 (2019): 958–65. http://dx.doi.org/10.1039/c8ob03031f.

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12

Pan, Subhas Chandra. "Organocatalytic C–H activation reactions." Beilstein Journal of Organic Chemistry 8 (August 27, 2012): 1374–84. http://dx.doi.org/10.3762/bjoc.8.159.

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Organocatalytic C–H activation reactions have recently been developed besides the traditional metal-catalysed C–H activation reactions. The recent non-asymmetric and asymmetric C–H activation reactions mediated by organocatalysts are discussed in this review.
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13

Yeston, Jake. "C–H activation goes macro." Science 371, no. 6535 (2021): 1217.5–1218. http://dx.doi.org/10.1126/science.371.6535.1217-e.

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14

Yeston, Jake. "Cyclopropanes through C–H activation." Science 369, no. 6511 (2020): 1580.7–1581. http://dx.doi.org/10.1126/science.369.6511.1580-g.

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15

Moselage, Marc, Jie Li, and Lutz Ackermann. "Cobalt-Catalyzed C–H Activation." ACS Catalysis 6, no. 2 (2015): 498–525. http://dx.doi.org/10.1021/acscatal.5b02344.

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16

Liu, Weiping, and Lutz Ackermann. "Manganese-Catalyzed C–H Activation." ACS Catalysis 6, no. 6 (2016): 3743–52. http://dx.doi.org/10.1021/acscatal.6b00993.

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17

Holland, Herbert L. "ChemInform Abstract: C-H Activation." ChemInform 30, no. 28 (2010): no. http://dx.doi.org/10.1002/chin.199928306.

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18

Kantam, M. Lakshmi, Chandrakanth Gadipelly, Gunjan Deshmukh, K. Rajender Reddy, and Suresh Bhargava. "Copper Catalyzed C−H Activation." Chemical Record 19, no. 7 (2018): 1302–18. http://dx.doi.org/10.1002/tcr.201800107.

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19

Su, Miaoshen, Cheng Li, and Jingjun Ma. "Iron-catalyzed C−H Activation." Journal of the Chinese Chemical Society 63, no. 10 (2016): 828–40. http://dx.doi.org/10.1002/jccs.201600184.

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20

Wencel-Delord, Joanna, and Françoise Colobert. "Asymmetric C(sp2)H Activation." Chemistry - A European Journal 19, no. 42 (2013): 14010–17. http://dx.doi.org/10.1002/chem.201302576.

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21

Choi, Isaac, Julia Struwe, and Lutz Ackermann. "C–H activation by immobilized heterogeneous photocatalysts." Photochemical & Photobiological Sciences 20, no. 12 (2021): 1563–72. http://dx.doi.org/10.1007/s43630-021-00132-9.

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AbstractDuring the last decades, the merger of photocatalysis with transition metal chemistry has been surfaced as a sustainable tool in modern molecular syntheses. This Account highlights major advances in synergistic photo-enabled C‒H activations. Inspired by our homogenous ruthenium- and copper-catalyzed C‒H activations in the absence of an exogenous photosensitizer, this Account describes the recent progress on heterogeneous photo-induced C‒H activation enabled by immobilized hybrid catalysts until September 2021, with a topical focus on recyclability as well as robustness of the heterogen
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22

Bowring, Miriam A., Robert G. Bergman, and T. Don Tilley. "ChemInform Abstract: Pt-Catalyzed C-C Activation Induced by C-H Activation." ChemInform 45, no. 8 (2014): no. http://dx.doi.org/10.1002/chin.201408108.

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23

Dioumaev, Vladimir K., Patrick J. Carroll та Donald H. Berry. "Tandemβ-CH Activation/SiH Elimination Reactions: Stabilization of CH Activation Products byβ-Agostic SiH Interactions". Angewandte Chemie International Edition 42, № 33 (2003): 3947–49. http://dx.doi.org/10.1002/anie.200352078.

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24

Dioumaev, Vladimir K., Patrick J. Carroll та Donald H. Berry. "Tandemβ-CH Activation/SiH Elimination Reactions: Stabilization of CH Activation Products byβ-Agostic SiH Interactions". Angewandte Chemie 115, № 33 (2003): 4077–79. http://dx.doi.org/10.1002/ange.200352078.

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25

Eisenstein, Odile, Jessica Milani, and Robin N. Perutz. "Selectivity of C–H Activation and Competition between C–H and C–F Bond Activation at Fluorocarbons." Chemical Reviews 117, no. 13 (2017): 8710–53. http://dx.doi.org/10.1021/acs.chemrev.7b00163.

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26

Soumya, Kumar Sinha, Sasmal Sheuli, Kumar Lahiri Goutam, and Maiti Debabrata. "Template assisted para C-H activation." Journal of Indian Chemical Society Vol. 95, Jul 2018 (2018): 743–49. https://doi.org/10.5281/zenodo.5638474.

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Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400 076, India <em>E</em>-<em>mail:</em> lahiri@chem.iitb.ac.in, dmaiti@chem.iitb.ac.in <em>Manuscript received 03 July 2018, accepted 19 July 2018</em> Synthetic organic chemistry has been revolutionized by transition metal mediated C-H activation in the last few decades. <em>Ortho </em>C-H activation has shown widespread growth in this regard primarily due in fact to the favourable 5-6 membered metallacycle required to direct the <em>ortho</em> C-H functionalization. Reaching out to the distal positions thus requir
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27

Wu, Jia-Qiang, Zhi-Ping Qiu, Shang-Shi Zhang, et al. "Rhodium(iii)-catalyzed C–H/C–C activation sequence: vinylcyclopropanes as versatile synthons in direct C–H allylation reactions." Chemical Communications 51, no. 1 (2015): 77–80. http://dx.doi.org/10.1039/c4cc07839j.

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28

Diefenbach, Axel, G. Theodoor de Jong, and F. Matthias Bickelhaupt. "Activation of H−H, C−H, C−C and C−Cl Bonds by Pd and PdCl-. Understanding Anion Assistance in C−X Bond Activation." Journal of Chemical Theory and Computation 1, no. 2 (2005): 286–98. http://dx.doi.org/10.1021/ct0499478.

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29

Li, Qiang, Yulong Zhang, Jennifer J. Marden, Botond Banfi, and John F. Engelhardt. "Endosomal NADPH oxidase regulates c-Src activation following hypoxia/reoxygenation injury." Biochemical Journal 411, no. 3 (2008): 531–41. http://dx.doi.org/10.1042/bj20071534.

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c-Src has been shown to activate NF-κB (nuclear factor κB) following H/R (hypoxia/reoxygenation) by acting as a redox-dependent IκBα (inhibitory κB) tyrosine kinase. In the present study, we have investigated the redox-dependent mechanism of c-Src activation following H/R injury and found that ROS (reactive oxygen species) generated by endosomal Noxs (NADPH oxidases) are critical for this process. Endocytosis following H/R was required for the activation of endosomal Noxs, c-Src activation, and the ability of c-Src to tyrosine-phosphorylate IκBα. Quenching intra-endosomal ROS during reoxygenat
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30

Debatra, Narayan Neogi, Singh Chhetri Satyadeep, Das Purak, Narayan Biswas Achintesh, Choudhury Amitava, and Bandyopadhyay Pinaki. "Role of auxiliary donors in tuning the selectivity of C-H activation in arylazonaphthalenes by palladium(II) : Isolation and photoisomerization of isomeric cyclopalladates." Journal of Indian Chemical Society Vol. 92, Dec 2015 (2015): 1783–90. https://doi.org/10.5281/zenodo.5599293.

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Department of Chemistry, University of North Bengal, Siliguri-734 013, West Bengal, India <em>E-mail</em> : pbchem@rediffmail.com Department of Chemistry, Rishi Bankim Chandra College, Naihati-743 165, West Bengal, India Department of Chemistry, Siliguri College, Siliguri-734 001, West Bengal, India Department of Chemistry, Missouri S &amp; T, Rolla, MO 65409-0010, USA Selective activation of C2(naphthyl)-H and C8(naphthyl)-H bonds in a group of substrates having a diazene function as primary donor along with thioether or sulfinyl groups as auxiliary donors has been achieved by palladium(II) a
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31

Tsoureas, Nikolaos, Jennifer C. Green, and F. Geoffrey N. Cloke. "Bis(pentalene)dititanium chemistry: C–H, C–X and H–H bond activation." Dalton Transactions 47, no. 41 (2018): 14531–39. http://dx.doi.org/10.1039/c8dt02654h.

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32

Horino, Yoshikazu. "Rhenium-Catalyzed CH and CC Bond Activation." Angewandte Chemie International Edition 46, no. 13 (2007): 2144–46. http://dx.doi.org/10.1002/anie.200605228.

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33

Shi, Z., S. Yang, B. Li, and X. Wan. "C-H Functionalization via C-H Activation and C-C Bond Formation with Arylsilanes." Synfacts 2007, no. 7 (2007): 0751. http://dx.doi.org/10.1055/s-2007-968643.

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34

Zhang, Yanghui, Bo Zhou, and Ailan Lu. "Pd-Catalyzed C–H Silylation Reactions with Disilanes." Synlett 30, no. 06 (2018): 685–93. http://dx.doi.org/10.1055/s-0037-1610339.

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Pd-catalyzed C–H silylation reactions remain underdeveloped. General strategies usually rely on the use of complex bidentate directing groups. C,C-Palladacycles exhibit extremely high reactivity towards hexamethyldisilane and can be disilylated very efficiently. The C,C-palladacycles are prepared through halide-directed C–H activation. This account introduces Pd-catalyzed C–H silylation reactions with di­silanes as the silyl source, and is focused on studies on the silylation of C,C-palladacycles.1 Introduction and Background2 Allylic C–H Silylation Reaction3 Coordinating-Ligand-Directed C–H S
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35

Shang, Rui, Laurean Ilies, and Eiichi Nakamura. "Iron-Catalyzed C–H Bond Activation." Chemical Reviews 117, no. 13 (2017): 9086–139. http://dx.doi.org/10.1021/acs.chemrev.6b00772.

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36

ROUHI, MAUREEN. "Real-world C-H bond activation." Chemical & Engineering News 75, no. 41 (1997): 4–5. http://dx.doi.org/10.1021/cen-v075n041.p004a.

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37

Chatani, Naoto. "C−H Activation - Far from Over." Asian Journal of Organic Chemistry 7, no. 7 (2018): 1135. http://dx.doi.org/10.1002/ajoc.201800380.

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38

Khan, Farheen Fatima, Soumya Kumar Sinha, Goutam Kumar Lahiri, and Debabrata Maiti. "Ruthenium-Mediated Distal C−H Activation." Chemistry - An Asian Journal 13, no. 17 (2018): 2243–56. http://dx.doi.org/10.1002/asia.201800545.

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39

Sauermann, Nicolas, Tjark H. Meyer, and Lutz Ackermann. "Electrochemical Cobalt-Catalyzed C−H Activation." Chemistry - A European Journal 24, no. 61 (2018): 16209–17. http://dx.doi.org/10.1002/chem.201802706.

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40

Mark Peplow, special to C&EN. "C–H activation achieved in alcohols." C&EN Global Enterprise 101, no. 30 (2023): 4. http://dx.doi.org/10.1021/cen-10130-leadcon.

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41

Brianna Barbu. "Far-out chiral C–H activation." C&EN Global Enterprise 102, no. 16 (2024): 6. http://dx.doi.org/10.1021/cen-10216-scicon3.

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42

Yin, Jiangliang, and Jingsong You. "Concise Synthesis of Polysubstituted Carbohelicenes by a C−H Activation/Radical Reaction/C−H Activation Sequence." Angewandte Chemie 131, no. 1 (2018): 308–12. http://dx.doi.org/10.1002/ange.201811023.

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43

Yin, Jiangliang, and Jingsong You. "Concise Synthesis of Polysubstituted Carbohelicenes by a C−H Activation/Radical Reaction/C−H Activation Sequence." Angewandte Chemie International Edition 58, no. 1 (2018): 302–6. http://dx.doi.org/10.1002/anie.201811023.

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44

Jiang, Heming, and Tian-Yu Sun. "The Activating Effect of Strong Acid for Pd-Catalyzed Directed C–H Activation by Concerted Metalation-Deprotonation Mechanism." Molecules 26, no. 13 (2021): 4083. http://dx.doi.org/10.3390/molecules26134083.

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A computational study on the origin of the activating effect for Pd-catalyzed directed C–H activation by the concerted metalation-deprotonation (CMD) mechanism is conducted. DFT calculations indicate that strong acids can make Pd catalysts coordinate with directing groups (DGs) of the substrates more strongly and lower the C–H activation energy barrier. For the CMD mechanism, the electrophilicity of the Pd center and the basicity of the corresponding acid ligand for deprotonating the C–H bond are vital to the overall C–H activation energy barrier. Furthermore, this rule might disclose the role
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45

Martín, Nuria, and Francisco G. Cirujano. "Supported Single Atom Catalysts for C−H Activation: Selective C−H Oxidations, Dehydrogenations and Oxidative C−H/C−H Couplings." ChemCatChem 13, no. 12 (2021): 2751–65. http://dx.doi.org/10.1002/cctc.202100345.

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46

Ackermann, Lutz, Korkit Korvorapun, Ramesh C. Samanta, and Torben Rogge. "Remote C–H Functionalizations by Ruthenium Catalysis." Synthesis 53, no. 17 (2021): 2911–46. http://dx.doi.org/10.1055/a-1485-5156.

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AbstractSynthetic transformations of otherwise inert C–H bonds have emerged as a powerful tool for molecular modifications during the last decades, with broad applications towards pharmaceuticals, material sciences, and crop protection. Consistently, a key challenge in C–H activation chemistry is the full control of site-selectivity. In addition to substrate control through steric hindrance or kinetic acidity of C–H bonds, one important approach for the site-selective C–H transformation of arenes is the use of chelation-assistance through directing groups, therefore leading to proximity-induce
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47

Sun, Qiao, and Naohiko Yoshikai. "Cobalt-catalyzed C(sp2)–H/C(sp3)–H coupling via directed C–H activation and 1,5-hydrogen atom transfer." Organic Chemistry Frontiers 5, no. 4 (2018): 582–85. http://dx.doi.org/10.1039/c7qo00906b.

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48

Liu, Yichang, Hong Yi, and Aiwen Lei. "Oxidation-Induced C-H Functionalization: A Formal Way for C-H Activation." Chinese Journal of Chemistry 36, no. 8 (2018): 692–97. http://dx.doi.org/10.1002/cjoc.201800106.

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49

Zhu, Haoran, Sen Zhao, Yu Zhou, Chunpu Li, and Hong Liu. "Ruthenium-Catalyzed C–H Activations for the Synthesis of Indole Derivatives." Catalysts 10, no. 11 (2020): 1253. http://dx.doi.org/10.3390/catal10111253.

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The synthesis of substituted indoles has received great attention in the field of organic synthesis methodology. C–H activation makes it possible to obtain a variety of designed indole derivatives in mild conditions. Ruthenium catalyst, as one of the most significant transition-metal catalysts, has been contributing in the synthesis of indole scaffolds through C–H activation and C–H activation on indoles. Herein, we attempt to present an overview about the construction strategies of indole scaffold and site-specific modifications for indole scaffold via ruthenium-catalyzed C–H activations in r
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50

NIU, Po, and TingBin WEN. "Iron catalyzed C-C bond formation via C-H activation." SCIENTIA SINICA Chimica 41, no. 6 (2011): 943–55. http://dx.doi.org/10.1360/032011-1.

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