Bifunctional Pt/Hβ catalyzed alkylation and hydrodeoxygenation of phenol and cyclohexanol in one-pot to synthesize high-density fuels

Csp2–H functionalization of phenols: an effective access route to valuable materials via Csp2–C bond formation

“…The yield of bicyclic and tricyclic in the nal product can reach 83.42% (Scheme 28b). 99 1.1.1.3 Photocatalysis. Phenolates are the corresponding anions of phenols, formed upon their deprotonation.…”

“…98 (b) Onepot strategy for preparing polycyclic alkane from phenol and benzyl alcohol over a bifunctional Pt/Hb catalyst. 99 Scheme 27 Solid acid catalysed ortho-alkylation of phenols with simple and short alcohols. (a) Alkylation of phenol with i PrOH Zn-HY modified zeolite catalysts.…”

Review and Outlook on Regulation of Catalyst Activity, Selectivity, and Stability for Biomass Hydrodeoxygenation Reaction in an Aqueous Environment

“…Although the conversion values observed in this route were average compared to the conventional route, the economic feasibility of the process and the safety concerns associated with hydrogen handling and transportation make this route somewhat viable. 49 Furthermore, Shen et al 50 reported a bifunctional Pt/Hβ catalyst to realize the coupling of alkylation and hydrodeoxygenation to synthesize high-density fuels (Figure 4a). It has been noted that the enlarged pore size of Hβ treated with alkali does not impose limitations on the formation of polycyclic compounds.…”

“…(b) Reaction scheme for other biomass derivative compounds. Reproduced with permission from ref . Copyright 2023, Elsevier.…”

Catalyst-free valorization of biomass resources to value-added products

“…On the one hand, through the breakage of the ether and C-C bond, demethoxylation, alkylation, and condensation reactions, various useful phenolic monomer products are generated from the degradation of lignin. [8][9][10][11] On the other hand, considering that lignin has abundant phenolic and aliphatic hydroxyl active groups (Scheme 1), it shows enormous potential as a linker to construct lignin-based macromonomers for synthesizing biobased polymeric products such as polyurethanes, polyesters, and other available vitrimers (Scheme 1). [12][13][14][15] Lipids, widely found in inedible plants naturally, such as seeds and microalgae, can be converted into biodiesel (fatty acid methyl esters) via esterification and transesterification reactions.…”