Heterogeneous Tin Catalysts Applied to the Esterification and Transesterification Reactions

Figure 4

Octanoic acid esterification with methyl alcohol over STO-1 (●), STO-2 (○), and SZ (□) for 20 h [28]. (Reaction conditions: 4.0 g of catalyst, methanol : octanoic acid molar ratio 4.5 : 1.)