02074nas a2200229   4500008004100000022001400041245017700055210006900232260000900301300001400310490000700324520117400331653002101505653002801526653001801554653003701572653003001609100002201639700001901661700003301680856013101713       2021                        eng d  a1861-472800aActive and recyclable gold metal nanoparticles catalyst supported on nitrogen-doped mesoporous carbon for chemoselective hydrogenation of cinnamaldehyde to cinnamyl alcohol0 aActive and recyclable gold metal nanoparticles catalyst supporte  cSEP   a2702-27220 v163 aSeveral supported gold metal catalysts with different Au nanoparticles sizes were prepared and evaluated for the chemoselective hydrogenation of cinnamaldehyde (CA) to cinnamyl alcohol (CAL). To investigate the structure-activity relationship, stability of catalyst, heterogeneity and recyclability, the structural characteristics of materials and Au catalysts (fresh and spent catalysts) were studied by employing variety of physico-chemical techniques. The interrelationship among Au nanoparticles size (nm) with turnover frequency (h(-1)) of Au catalysts has also been explored. Among the various Au catalysts tested, nitrogen-doped mesoporous carbon (NMC) supported Au catalyst having homogeneously dispersed (78.8%) Au nanoparticles (1.6 nm) synthesized by sol-immobilization method (Au-NMC-SI) demonstrated improved catalytic activity affording 78% CAL selectivity and 94.2% CA conversion without using any promoter. Moreover, Au-NMC-SI catalyst exhibited good recyclability and stability. The catalyst synthesis approach described in this investigation opens up a novel strategy for the design of highly efficient metal nano-catalysts supported on NMC materials.10aAu Nanoparticles10aheterogeneous catalysis10aHydrogenation10aNitrogen-doped mesoporous carbon10aSupport-Metal interaction1 aNagpure, Atul, S.1 aGogoi, Pranjal1 aChilukuri, Satyanarayana, V.  uhttps://library.ncl.res.in/content/active-and-recyclable-gold-metal-nanoparticles-catalyst-supported-nitrogen-doped-mesoporous