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Search for "heterogeneous catalysis: hydrogenation" in Full Text gives 1 result(s) in Beilstein Journal of Organic Chemistry.

Continuous-flow processes for the catalytic partial hydrogenation reaction of alkynes

Carmen Moreno-Marrodan,
Francesca Liguori and
Pierluigi Barbaro

Beilstein J. Org. Chem. 2017, 13, 734–754, doi:10.3762/bjoc.13.73

to August 2016 are discussed in terms of reactor design. A comparison with batch and industrial processes is provided whenever possible. Keywords: alkynes; heterogeneous catalysis: hydrogenation; flow; liquid-phase; Introduction The catalytic partial hydrogenation of alkynes to alkenes in the

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Graphical Abstract

Scheme 1: Common reaction pathways for alkyne hydrogenation reactions.

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Figure 1: Schematic representation of most common reactor types for batch and continuous-flow partial hydroge...

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Figure 2: Schematic representation of flow regimes in microchannels; (a) bubbly flow, (b) slug/Taylor or segm...

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Figure 3: Sketch of typical continuous flow apparatus for liquid-phase catalytic alkynes hydrogenation reacti...

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Scheme 2: Hydrogenation reactions of terminal alkynes with potential products and labelling scheme.

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Figure 4: Structure of Pd@mpg-C3N4 (a), Pd(HHDMA)@C (b), Pd(Pb)@CaCO₃ (c) and Pd@Al₂O₃ (d) catalysts. The str...

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Figure 5: Sketch of composition (left) and optical image of Pd@MonoBor monolithic reactor (right). Adapted wi...

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Figure 6: X-ray tomography 3D-reconstruction image of MonoBor [133]. Unpublished image from the authors.

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Figure 7: Representative TEM image of titanate nanotubes with immobilized PdNP (arrows). Adapted with permiss...

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Figure 8: Conversion and selectivity vs. time-on-stream for the continuous-flow hydrogenation of 6 over Pd@Mo...

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Figure 9: Continuous-flow hydrogenation of 3, 6 and 7 over different catalytic reactor systems. Data from ref...

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Scheme 3: Hydrogenation reactions of internal alkynes with potential products and labelling scheme.

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Figure 10: Continuous-flow hydrogenation of 11 over Pd@MonoBor catalyst. a) Conversion and selectivity as a fu...

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Figure 11: Conversion and selectivity vs time-on-stream for the continuous-flow hydrogenation of 11 over Pd@Mo...

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Figure 12: Continuous-flow hydrogenation reaction of 11 over packed-bed catalysts. Adapted with permission fro...

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Figure 13: Images of the bimodal TiO₂ monolith with well-defined macroporosity: (a, b) optical; (c) X-ray tomo...

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Figure 14: Selectivity of the continuous-flow partial hydrogenation reaction of 3 and 4 over packed-bed Pd cat...

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Review

Published 20 Apr 2017

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