Review Article

Heterogeneous Tin Catalysts Applied to the Esterification and Transesterification Reactions

Table 3

SnO-catalysed soybean oil methanolysis [23].

EntryTime (h)Reaction yield (%)
First substrate chargeSecond substrate chargeThird substrate chargeFourth substrate charge

1156.556.557.955.3
2292.6
3394.7

Reaction conditions: CH3OH : oil : catalyst molar ratio = 400 : 100 : 1; 80°C; 1000 rpm.