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Research Paper | Chemistry | Iraq | Volume 4 Issue 6, June 2015

Thermal Analysis of Different Pyrazolone Azo Derivative and Their Complexes with Pd(II), Ni(II) and Ag(I)

Aayad Ammar Syhood | Hussain J Mohammed

Abstract: This study describes thermal analysis of novel azodye reagents, 5- (4- [ (1, 5-dimethyl-3-oxo-2-phenyl-2, 3-dihydro-1H-pyrazol-4-yl) diazenyl) phenyl]-5-ethylpyrimxline-2, 4, 6 (1H, 3H, 5H) -trione, (L1), 1- [ (1, 5-Dimethyl-3-oxo-2-phenyl-2, 3-dihydro-1H-pyrazol-4-yl]-2, 3, 7, 8-tetrahydroxychromeno (5, 4, 3-cde) chromene-5, 10-dione, (L2), and 4-4- (diazene-1, 2-diyl) bis (1, 5-dimethyle-2-phenyle-1H-pyrazol-3 (2H) -one, (L3), that prepare from 4-aminoantipyrine with (phenoparpetal, ellagic acid and phenazone) respectively as coupling agents and thire complexes with Pd (II), Ni (II) and Ag (I) ions. The thermal measurements were showed that, all the complexes were have good stable compering with the reagents in TG/HDSC curves.

Keywords: Azo dye reagents, Thermal analysis, Pd II, Ni II and Ag I

Edition: Volume 4 Issue 6, June 2015,

Pages: 504 - 508

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