Direct conversion of cellulose into C₆ alditols over Ru/C combined with H⁺-released boron phosphate in an aqueous phase

Abstract

Non-edible cellulose has considerable attention to be converted into valuable platform chemicals.

Unravelling the Ru‐Catalyzed Hydrogenolysis of Biomass‐Based Polyols under Neutral and Acidic Conditions

“…demonstrated that the slow depolymerization of cellulose and the simultaneous degradation by Ru severely limits hexitol yields to 40 % . The use of ball milling as pretreatment leads to significantly improved hexitol yields due to the formation of smaller (water‐soluble) cello‐oligomers . Previous studies by us already showed that the hydrolytic hydrogenation of cello‐oligomers such as cellobiose and cellotriose proceeds smoothly in the presence of Ru/C and STA .…”

“…Particularly Ru‐based catalysts exhibit high selectivities towards hexitols under relatively mild conditions. Excellent hexitol yields are obtained for cellulose, which has been converted to cello‐oligomers by acidic ball milling . At elevated temperatures, hydrogenolytic C−C and C−O bond breaking reactions increase and short‐chain polyols such as propylene and ethylene glycol are formed .…”

High yield of renewable hexanes by direct hydrolysis–hydrodeoxygenation of cellulose in an aqueous phase catalytic system

“…Although the conversion of cellulose decreased to 70.5% (entry 18), the 41.9% yield of hexanes was still obtained. What intrigued us was that LiNbMoO 6 showed excellent activity for conversion of cellulose to hexanes (entries [8][9][10][11][12][13][14]. Entry 20 suggested that the concentrated cellulose could be efficiently converted into hexanes with a yield of 48.2%.…”

“…[1][2][3][4][5][6][7][8][9][10][11][12][13] Cellulose is the most low-cost but substantial raw material of biomass for its annual net yield of over 0.72 trillion tons, which presents it as an attractive carbon source. [1][2][3][4][5][6][7][8][9][10][11][12][13] Cellulose is the most low-cost but substantial raw material of biomass for its annual net yield of over 0.72 trillion tons, which presents it as an attractive carbon source.…”

Antimicrobial, Cytotoxic and Mutagenic Activity of Gemini QAS Derivatives of 1,4:3,6-Dianhydro-l-iditol

“…The main advantage of biomass in the production of energy and chemicals is that it can be obtained as a byproduct of agricultural and forest industries. Among others, sugars, alditols, and anhydroalditols can easily be generated in large quantities by biomass processing, making it a convenient platform for the synthesis of new active compounds [ 1 , 2 , 3 ]. Recently, it was established that sugars are not only the energy source for living organisms.…”