Collect. Czech. Chem. Commun.
1982, 47, 2779-2785
https://doi.org/10.1135/cccc19822779
Diethylamine addition to natural sesquiterpenic α-exomethylene-γ-lactones and its use for chemical transformations of these compounds
Juraj Harmatha and Zdeněk Samek
Institute of Organic Chemistry and Biochemistry, Czechoslovak Academy of Sciences, 166 10 Prague 6
Abstract
Addition of diethylamine to exomethylene double bond in natural sesquiterpenic α-methylene-γ-lactones is more advantageous in structural studies than the addition of other amines used so far. In some instances a simultaneous solvolysis of the ester groups also takes place. This fact was made use of for selective deacylation. The possibility of solvolysis impairs the potential use of diethylamine and other amines for the isolations of α-methylene-γ-lactone fractions directly from the extract of natural material.
