Abstract
When an equimolar mixture of methyl linoleate and methyl trans-9, trans-11-octadecadienoate was heated at 230 or 250°C, the linoleate did not react with the conjugated octadecadienoate ; but when the same mixture was heated at 270° or 290°C, the linoleate formed a small amount of addition compound with the conjugated octadecadienoate. In all cases, however, the conjugated octadecadienoate underwent dimerization.
From the results of reaction rate measurements at 270 and 290°C, it has been found that the dienophilic activity of the linoleate is about one-tenth as large as that of the conjugated octadecadienoate.
