Review Article
Tin-Catalyzed Esterification and Transesterification Reactions: A Review
Table 7
Main results obtained from soybean oil transesterification with methyl alcohol catalyzed by NaOH, H2SO4 or [Sn(II)(3-hydroxy-2-methyl-4-pyrone)2(H2O)2], complex, I catalysta, b [11].
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
aReaction conditions: molar proportions of methanol : oil : catalyst (400 : 100 : 1) were fixed for all experiments, temperature (80°C), stirring magnetic (1000 rpm). b[Sn(II)(3-hydroxy-2-methyl-4-pyrone)2(H2O)2], I catalyst. cPercent of mass of recovered ester per initial mass of soybean oil. |