Synthesis, spectral characterization and thermal analysis of rubrocurcumin and its analogues
作者： Jeena John , R. Sudha Devi , S. Balachandran , K. V. Dinesh Babu
DOI: 10.1007/S10973-017-6582-Z
关键词: Thermal decomposition 、 Substituent 、 Thermal stability 、 Physical chemistry 、 Characterization (materials science) 、 Thermal analysis 、 Kinetic model 、 Kinetic energy 、 Analytical chemistry 、 Rubrocurcumin 、 Chemistry
摘要: Rubrocurcumin and its analogues were synthesized characterized by UV, IR, NMR FT-MS spectral data. Thermal analysis of compounds has been carried out using TG-DTG techniques non-isothermal heating conditions. Flynn–Wall–Ozawa Kissinger–Akahira–Sunose isoconversional methods used to determine the apparent activation energies (E a) for thermal decomposition rubrocurcumin analogues. The E a values obtained these as reference most suitable kinetic model Coats–Redfern method. A possible mechanism is suggested explain process. From data, parameters have calculated evaluate stability substituent effect on stability.
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