01654nas a2200253   4500008004100000022001400041245016200055210006900217260000900286300001400295490000600309520073200315653003201047653001401079653001801093653003401111653002001145100002701165700002701192700001701219700001701236700002401253856012301277       2019                        eng d  a2365-654900aPalladium impregnated amine Co-condensed hexagonal mesoporous silica: a novel catalyst in tailoring suzuki and heck coupling reactions in base free condition0 aPalladium impregnated amine Cocondensed hexagonal mesoporous sil  cAPR   a3823-38320 v43 a<p>Palladium impregnated amine co-condensed hexagonal mesoporous silicas (HMS-X) were synthesized (sol-gel process) using different amines (Ethylene diamine and pyridine) of various concentrations (0.25 equiv. and 2 equiv.). The effect of amine concentration on the local structure of hexagonal mesoporous silica was studied. The catalyst shows excellent catalytic activity and high TOF towards both Suzuki and Heck coupling reactions without using any base in reaction medium with the solvent DMF:water in (1:1) ratio. The catalyst was reused and it was recyclable up to three cycle without any appreciable loss of activity and the kinetics of the reaction varying different parameters also have been studied thoroughly.</p>
10aAmine functionalized silica10aBase free10aHeck reaction10aPalladium supported catalysts10aSuzuki reaction1 aDas, Prangya, Paramita1 aPrabhakaran, Vinod, C.1 aNanda, Samik1 aSen, Debasis1 aChowdhury, Biswajit  uhttps://library.ncl.res.in/content/palladium-impregnated-amine-co-condensed-hexagonal-mesoporous-silica-novel-catalyst