Tetrahedron p. 1885 - 1888 (1994)
Update date:2022-08-17
Topics:
Taskinen, Esko
The relative thermodynamic stabilities of the title compounds have been determined by chemical equilibration in cyclohexane and dipentyl ether solutions at several temperatures. In each solvent, α-angelicalactone is favored thermodynamically, the values of ΔH(θ) and ΔS(θ) being ca. -8.0 kJ mol-1 and 2 J K-1 mol-1, respectively, for the γ-methylene-γ- butyrolactone → α-angelicalactone isomerization.
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