Ni impregnated into hypercrosslinked polystyrene in N-Methyl-D-Glucosamine synthesisстатья

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Дата последнего поиска статьи во внешних источниках: 24 января 2020 г.

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[1] Ni impregnated into hypercrosslinked polystyrene in n-methyl-d-glucosamine synthesis / S. Mikchailov, V. Matveeva, E. Sulman et al. // International Multidisciplinary Scientific GeoConference Surveying Geology and Mining Ecology Management, SGEM. — 2019. — Vol. 19, no. 4.1. — P. 353–359. D-glucose simultaneous catalytic hydro condensation with methylamine can be considered a promising way of methylglucamine synthesis. Amines such as methylamine are reacted with materials such as reducing sugars in hydroxy solvents such as methanol to prepare N-alkyl polyhydroxy amines. Accordingly, glucose is reacted with methylamine and the resulting adduct is hydrogenated to yield N-methylglucamine. The production of N-methylglucamine as early as 1935 was patented by American scientists Robert B. Flint and Paul L. Salsberg, the rightful owner is the large chemical company E. I. du Pont de Nemours & Company. The reaction for the production of N-methylglucamine by reductive amination proceeds in one step. Here a novel approach to the one-step N-Methyl-D-glucosamine synthesis using heterogeneous catalyst based on the polymeric matrix of hypercrosslinked polystyrene is reported. The initial catalyst activity was found to be 1.3 kg(Glu)/(kg(Cat)·h), catalysts activity after 10 cycles of D-glucose transformation showed a little slowdown and was calculated to be 1.1 kg(Glu)/(kg(Cat)·h) at 99.4-99.5% D-glucose conversion. [ DOI ]

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