Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: 2,5-Diphenyloxazole, is researched, Molecular C15H11NO, CAS is 92-71-7, about Thermodynamic properties of phase transitions of phenyl derivatives of maleic anhydride and oxazole.Recommanded Product: 92-71-7.
An exptl. study of the vapor pressures and related thermodn. properties of three Ph derivatives of maleic anhydride and oxazole is reported. The vapor pressures of the crystalline phase of these compounds were measured at different temperatures using the Knudsen mass-loss effusion method, enabling the determination of the standard (p° = 0.1 MPa) molar enthalpies, entropies and Gibbs energies of sublimation. The enthalpies and temperatures of fusion were determined from DSC experiments Quantum chem. calculations were used to calculate gas-phase isobaric heat capacities and absolute entropies.
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Reference:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica