Some thermal properties of methyl malvalate, methyl sterculate, and their dihydro derivatives

Autor: White, J. L., Zarins, A., Feuge, R. O.
Zdroj: Journal of the American Oil Chemists' Society; September 1977, Vol. 54 Issue: 9 p335-338, 4p
Abstrakt: Methyl esters of cyclopropene acids, malvalic and sterculic, and their dihydro derivatives, were highly purified and examined for melting points, poly-morphic behavior, heats of fusion, and dilatometric behavior. Results revealed that the quickly chilled forms of the unsaturated methyl esters underwent a rapid monotropic transformation. The dihydro derivatives exhibited no detectable polymorphism. The melting dilation for methyl malvalate was signifi-cantly below the previously reported dilations of other fatty acid methyl esters.
Databáze: Supplemental Index