Ni nanoparticles on polyaromatic hyperbranched polymer support as a mild, tunable, and sustainable catalyst for catalytic transfer hydrogenation
Hyperbranched polyaromatic polymer (HBP) based on pyridylphenylene dendrimer as a multifunctional monomer was employed as a nanoreactor and a stabilizing matrix for synthesis of catalytic Ni nanoparticles (NPs). The HBP was found to have an effective control over NP size. The Ni NPs synthesized in H...
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| Veröffentlicht in: | Journal of nanoparticle research : an interdisciplinary forum for nanoscale science and technology 2019-05, Vol.21 (5), p.1-14, Article 91 |
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| creator | Basaveni, S. Kuchkina, N. V. Shifrina, Z. B. Pal, M. Rajadurai, M. |
| description | Hyperbranched polyaromatic polymer (HBP) based on pyridylphenylene dendrimer as a multifunctional monomer was employed as a nanoreactor and a stabilizing matrix for synthesis of catalytic Ni nanoparticles (NPs). The HBP was found to have an effective control over NP size. The Ni NPs synthesized in HBP matrix had diameter between 3 and 4.5 nm with narrow size distribution and were reproducible in several batches. The HBP-encapsulated Ni NPs (Ni-HBP) had a good air stability, high activity, and controlled reactivity in catalytic transfer hydrogenation (CTH) of nitroarenes and alkenes. The catalytic reactions were performed under base-free, heterogeneously-catalyzed conditions without use of high pressure, strong acidic media, or highly flammable hydrogen source. This reduction system showed good tolerance towards hydroxyl, alkyne, or halogen substituents. Moreover, due to mild nature of the catalyst, the reaction may be controlled to selectively reduce only one functional group, leaving another one intact (e.g., nitro-group vs internal alkyne).
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| doi_str_mv | 10.1007/s11051-019-4533-2 |
| format | Article |
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Graphical abstract</description><subject>Alkenes</subject><subject>Alkynes</subject><subject>Catalysis</subject><subject>Catalysts</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemical reactions</subject><subject>Chemical synthesis</subject><subject>Chemistry and Materials Science</subject><subject>Control stability</subject><subject>Flammability</subject><subject>Functional groups</subject><subject>High pressure</subject><subject>Hydrogen storage</subject><subject>Hydrogenation</subject><subject>Inorganic Chemistry</subject><subject>Lasers</subject><subject>Materials Science</subject><subject>Nanoparticles</subject><subject>Nanotechnology</subject><subject>Optical Devices</subject><subject>Optics</subject><subject>Photonics</subject><subject>Physical Chemistry</subject><subject>Polymers</subject><subject>Research Paper</subject><subject>Size distribution</subject><issn>1388-0764</issn><issn>1572-896X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp1kMtOwzAQRSMEEqXwAewssW3Aj6RxlqjiJVWwAYmdNXEmbarEDra7yF_wybgNEitWHs_ce0Zzk-Sa0VtGaXHnGaM5Sykr0ywXIuUnyYzlBU9lufw8jbWQMqXFMjtPLrzfUcqWvOSz5Pu1JQaMHcCFVnfoiTVksN0IzvYQW2Q7DugqB0ZvsT6OenTE74fBukDAEyB929ULEvYGqg4XBEwd5z5Ae2wQDQG60QfSWPf7OYBDZPomsrZj7ewGTVxnzWVy1kDn8er3nScfjw_vq-d0_fb0srpfp1rkIqS5qGrAmuVSI4iqkBWVqMUyawAxYyKeWucVhxx1wbTMMl01JSvqRvBGoAQxT24m7uDs1x59UDu7dyauVJyzUhYl5VlUsUmlnfXeYaMG1_bgRsWoOgSvpuBVDF4dglc8evjk8VFrNuj-yP-bfgAyTYrD</recordid><startdate>20190501</startdate><enddate>20190501</enddate><creator>Basaveni, S.</creator><creator>Kuchkina, N. 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V.</au><au>Shifrina, Z. B.</au><au>Pal, M.</au><au>Rajadurai, M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ni nanoparticles on polyaromatic hyperbranched polymer support as a mild, tunable, and sustainable catalyst for catalytic transfer hydrogenation</atitle><jtitle>Journal of nanoparticle research : an interdisciplinary forum for nanoscale science and technology</jtitle><stitle>J Nanopart Res</stitle><date>2019-05-01</date><risdate>2019</risdate><volume>21</volume><issue>5</issue><spage>1</spage><epage>14</epage><pages>1-14</pages><artnum>91</artnum><issn>1388-0764</issn><eissn>1572-896X</eissn><abstract>Hyperbranched polyaromatic polymer (HBP) based on pyridylphenylene dendrimer as a multifunctional monomer was employed as a nanoreactor and a stabilizing matrix for synthesis of catalytic Ni nanoparticles (NPs). The HBP was found to have an effective control over NP size. The Ni NPs synthesized in HBP matrix had diameter between 3 and 4.5 nm with narrow size distribution and were reproducible in several batches. The HBP-encapsulated Ni NPs (Ni-HBP) had a good air stability, high activity, and controlled reactivity in catalytic transfer hydrogenation (CTH) of nitroarenes and alkenes. The catalytic reactions were performed under base-free, heterogeneously-catalyzed conditions without use of high pressure, strong acidic media, or highly flammable hydrogen source. This reduction system showed good tolerance towards hydroxyl, alkyne, or halogen substituents. Moreover, due to mild nature of the catalyst, the reaction may be controlled to selectively reduce only one functional group, leaving another one intact (e.g., nitro-group vs internal alkyne).
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| source | SpringerNature Complete Journals |
| subjects | Alkenes Alkynes Catalysis Catalysts Characterization and Evaluation of Materials Chemical reactions Chemical synthesis Chemistry and Materials Science Control stability Flammability Functional groups High pressure Hydrogen storage Hydrogenation Inorganic Chemistry Lasers Materials Science Nanoparticles Nanotechnology Optical Devices Optics Photonics Physical Chemistry Polymers Research Paper Size distribution |
| title | Ni nanoparticles on polyaromatic hyperbranched polymer support as a mild, tunable, and sustainable catalyst for catalytic transfer hydrogenation |
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