Rodiansono published the artcileRecent progress in the direct synthesis of γ-valerolactone from biomass-derived sugars catalyzed by RANEY Ni-Sn alloy supported on aluminium hydroxide, Product Details of C7H12O3, the main research area is levulinic acid hydrogenation valerolactone aluminum hydroxide catalyst.
The direct synthesis of γ-valerolactone (GVL) from biomass-derived sugars (e.g., cellobiose, sucrose, glucose, and fructose) using RANEY nickel-tin alloy supported on aluminum hydroxide (RNi-Sn(x)/AlOH; x is the loading amount of Sn) catalysts has been investigated. A RNi-Sn(1.04)/AlOH (1.04 = loading amount of Sn (mmol)) catalyst exhibited the highest yield of GVL from cellobiose (37%), sucrose (67.3%), glucose (71.6%), and fructose (74.9%), whereas conventional RANEY Ni and RNi/AlOH catalysts produced only C-6 sugar alcs. (sorbitol & mannitol) at 443 K, H2 3.0 MPa for 12 h. The reduction of RNi-Sn(x)/AlOH with H2 at 673-873 K for 1.5 h resulted in the formation of Ni-Sn alloy phases (e.g., Ni3Sn and Ni3Sn2) and caused the transformation of aluminum hydroxide (AlOH) to amorphous alumina (AA). The RNi-Sn(2.14)/AA 873 K/H2 catalyst contained a Ni3Sn2 4 alloy as the major phase, which exhibited the best yield of GVL from sucrose (65.3%) under the same reaction conditions. The RNi-Sn(1.04)/AlOH catalyst was reusable and stable for at least five consecutive reaction runs.
Catalysis Science & Technology published new progress about Adsorption. 539-88-8 belongs to class esters-buliding-blocks, name is Ethyl 4-oxopentanoate, and the molecular formula is C7H12O3, Product Details of C7H12O3.
Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics