Citation: Chuan Fang ZHU, Han Hong XU, Sang Jun YANG. Synthesis, Thermochromic Properties and Thermal Behavior of some Schiff Bases. Part I. p, p'-Diaminodiphenylmethane-Schiff Bases and Sulphonamide Schiff Base[J]. Chinese Chemical Letters, ;2001, 12(8): 687-690. shu

Synthesis, Thermochromic Properties and Thermal Behavior of some Schiff Bases. Part I. p, p'-Diaminodiphenylmethane-Schiff Bases and Sulphonamide Schiff Base

Department of Chemistry, Central China Normal University, Wuhan 430079

Received Date: 2 January 2001

Fund Project: This work was supported by the Natural Science Foundation of Hubei Province of China.

p, p'-Diaminodiphenylmethane-Schiff bases (SB) of general formula (R)-phCH=N-ph-CH₂-ph-N=CHph(R), where R is p-NO₂, m-NO₂, p-OH, o-OH, p-Cl,-H, p-OCH₃, and sul-phonamide Schiff bases (SB) of general formula (R)-phCH=N-ph-SO₂NH₂, where R is p-NO₂, m-NO₂, p-OH, o-OH, p-Cl,-H, p-OCH₃, were synthesized and their structure have been characterized by the melting pointing, ¹HNMR, MS, and elemental analysis. They are thermolabile and undergo thermo-chromism and thermal decomposition after melting. The TG. and DSC measurement were recorded in dynamic air and interpreted.
- p,p'-Diaminodiphenylmethane,
- Schiff bases,
- thermochromic,
- sulphonamide.
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