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Chemoselective Reduction of Aryl Halide Bearing Nitro Group Enabled by Heterogeneous Monolith Supported Pd Catalyst.

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Title: Chemoselective Reduction of Aryl Halide Bearing Nitro Group Enabled by Heterogeneous Monolith Supported Pd Catalyst.
Authors: Zhong, Xianzhu1 (AUTHOR), Tsuchihashi, Yuta1 (AUTHOR), Yamamoto, Zen1 (AUTHOR), Okamoto, Kazuhiro1 (AUTHOR), Nagaki, Aiichiro1 (AUTHOR) nagaki@sci.hokudai.ac.jp
Source: Topics in Catalysis. Jun2026, Vol. 69 Issue 13/14, p1796-1803. 8p.
Subjects: Aryl halides, Dehalogenation, Palladium catalysts, Catalytic hydrogenation, Catalyst supports, Nitroaromatic compounds, Continuous flow reactors, Catalytic activity
Abstract: Dehalogenation has long been a critical topic in industrial chemistry. Despite the availability of various methods, many suffer from prolonged reaction times, low efficiency, and poor selectivity. Herein, we report the use of a monolith-supported palladium (Pd) catalyst in a continuous flow system to achieve the selective reduction of bromonitrobenzene. By precisely tuning the reaction conditions, reaction selectivity was effectively controlled, allowing preferential formation of either nitrobenzene or aniline. Under optimized conditions, the yield of nitrobenzene exceeded 80%, demonstrating the high efficiency of the catalytic system. The influence of reaction conditions such as time and temperature was investigated. These findings represent the fastest and most efficient approach reported to date for the reduction of aryl bromides. [ABSTRACT FROM AUTHOR]
Copyright of Topics in Catalysis is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Label: Title
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  Data: Chemoselective Reduction of Aryl Halide Bearing Nitro Group Enabled by Heterogeneous Monolith Supported Pd Catalyst.
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  Data: <searchLink fieldCode="AR" term="%22Zhong%2C+Xianzhu%22">Zhong, Xianzhu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tsuchihashi%2C+Yuta%22">Tsuchihashi, Yuta</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yamamoto%2C+Zen%22">Yamamoto, Zen</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Okamoto%2C+Kazuhiro%22">Okamoto, Kazuhiro</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Nagaki%2C+Aiichiro%22">Nagaki, Aiichiro</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> nagaki@sci.hokudai.ac.jp</i>
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  Data: <searchLink fieldCode="JN" term="%22Topics+in+Catalysis%22">Topics in Catalysis</searchLink>. Jun2026, Vol. 69 Issue 13/14, p1796-1803. 8p.
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  Data: <searchLink fieldCode="DE" term="%22Aryl+halides%22">Aryl halides</searchLink><br /><searchLink fieldCode="DE" term="%22Dehalogenation%22">Dehalogenation</searchLink><br /><searchLink fieldCode="DE" term="%22Palladium+catalysts%22">Palladium catalysts</searchLink><br /><searchLink fieldCode="DE" term="%22Catalytic+hydrogenation%22">Catalytic hydrogenation</searchLink><br /><searchLink fieldCode="DE" term="%22Catalyst+supports%22">Catalyst supports</searchLink><br /><searchLink fieldCode="DE" term="%22Nitroaromatic+compounds%22">Nitroaromatic compounds</searchLink><br /><searchLink fieldCode="DE" term="%22Continuous+flow+reactors%22">Continuous flow reactors</searchLink><br /><searchLink fieldCode="DE" term="%22Catalytic+activity%22">Catalytic activity</searchLink>
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  Label: Abstract
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  Data: Dehalogenation has long been a critical topic in industrial chemistry. Despite the availability of various methods, many suffer from prolonged reaction times, low efficiency, and poor selectivity. Herein, we report the use of a monolith-supported palladium (Pd) catalyst in a continuous flow system to achieve the selective reduction of bromonitrobenzene. By precisely tuning the reaction conditions, reaction selectivity was effectively controlled, allowing preferential formation of either nitrobenzene or aniline. Under optimized conditions, the yield of nitrobenzene exceeded 80%, demonstrating the high efficiency of the catalytic system. The influence of reaction conditions such as time and temperature was investigated. These findings represent the fastest and most efficient approach reported to date for the reduction of aryl bromides. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Topics in Catalysis is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s11244-025-02242-5
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      – Code: eng
        Text: English
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        PageCount: 8
        StartPage: 1796
    Subjects:
      – SubjectFull: Aryl halides
        Type: general
      – SubjectFull: Dehalogenation
        Type: general
      – SubjectFull: Palladium catalysts
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      – SubjectFull: Catalytic hydrogenation
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      – SubjectFull: Catalyst supports
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      – SubjectFull: Nitroaromatic compounds
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      – SubjectFull: Continuous flow reactors
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      – SubjectFull: Catalytic activity
        Type: general
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      – TitleFull: Chemoselective Reduction of Aryl Halide Bearing Nitro Group Enabled by Heterogeneous Monolith Supported Pd Catalyst.
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            NameFull: Zhong, Xianzhu
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              M: 06
              Text: Jun2026
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              Y: 2026
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              Value: 69
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