Acta Phys. -Chim. Sin. ›› 1994, Vol. 10 ›› Issue (02): 151-153.doi: 10.3866/PKU.WHXB19940212
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Huang Wei-Jun, Chen Su-Ming, Tan Fu, Yang Zhen-Xiang
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Abstract:
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.
Key words: Cinnamic acid derivative, DSC(Differential Scanning Calorimetry), Ferulic acid, Enthalpy of fusion
Huang Wei-Jun, Chen Su-Ming, Tan Fu, Yang Zhen-Xiang. Study on Thermodynamic Characteristics of Cinnamic Acid Derivatives[J].Acta Phys. -Chim. Sin., 1994, 10(02): 151-153.
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URL: http://www.whxb.pku.edu.cn/EN/10.3866/PKU.WHXB19940212
http://www.whxb.pku.edu.cn/EN/Y1994/V10/I02/151
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