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Citation: Huang Wei-Jun, Chen Su-Ming, Tan Fu, Yang Zhen-Xiang. Study on Thermodynamic Characteristics of Cinnamic Acid Derivatives[J]. Acta Physico-Chimica Sinica, ;1994, 10(02): 151-153. doi: 10.3866/PKU.WHXB19940212 shu

Study on Thermodynamic Characteristics of Cinnamic Acid Derivatives

1.
Institute of Chemistry, Academia Sinica, Beijing 100080

Received Date: 8 June 1992
Available Online: 15 February 1994

The phase transitions of 2-methoxycinnamic acid, 3-methoxycinnamic acid, 4-methoxycinnamic acid and 4-hydroxy-3-methoxycinnamic acid were studied by DSC. The thermodynamic parameters of phase transitions for these compounds are reported in this paper. In addition, the ~1H-NMR spectra of compounds 2-methoxycinnamic acid, 3-methoxycinnamic acid and 4-methoxycinnamic acid have been measured, and the change of β-H chemical shifts is consitent with that of DSC data fOr these compounds.
- Cinnamic acid derivative,
- DSC(Differential Scanning Calorimetry),
- Ferulic acid,
- Enthalpy of fusion
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