Facile Synthesis of Highly Active Sulfated Titania Nanofibers for Viscous Acid-Catalytic Reactions

Synthesis of jet fuel range high-density polycycloalkanes with vanillin and cyclohexanone

“…Vanillin and cyclohexanone used in the aldol condensation tests were supplied by Aladdin Chemistry Co. Ltd. Titanate nanofiber (TNF) was prepared by the method described in the literature. 17 Typically, 2.0 g commercial TiO 2 anatase (bought from Aladdin Chemistry Co. Ltd.) was added to an aqueous solution of NaOH (80 mL, 10 mol L −1 ). The mixture was stirred for 10 min and transferred into a 150 mL Teflon-lined autoclave.…”

Current approaches, emerging developments and functional prospects for lignin-based catalysts – a review

“…However, substituting liquid acid with solid acid in catalytic transformations has the potential to greatly facilitate catalyst recovery, which can improve the purity, as well as the ability to reuse the solid catalyst in further cycles. 136 Lignin-derived solid acid supports and catalysts are the most used metal-free lignin catalysts. Generally, they can exhibit unique properties because of lignin's aromatic nature and its three-dimensional interpenetrating matrix construction, resulting in outstanding stability and high performance.…”

Sulfated Titania (TiO2‐SO42−) as an Efficient Catalyst for Organic Synthesis: Overarching Review from 2000 to 2021

“…Sulfated titania nanofibers catalyzed esterification and acetylation reactions. [110] Scheme 66. Nitration of chlorobenzene.…”

“…Simultaneously, in high‐viscosity acetylation of cellulose with acetic anhydride, STF possessed a higher degree of substitution (DS) value of the product compared to other solid acids (2.41 vs 2.06∼2.21) (Scheme 65). Thus, sulfated titania nanofibers displayed excellent acid properties, which results in an outstanding catalytic activity and recyclable performance in esterification and acetylation reactions [110] …”

“…Thus, sulfated titania nanofibers displayed excellent acid properties, which results in an outstanding catalytic activity and recyclable performance in esterification and acetylation reactions. [110]…”