M M Patel
Articles written in Journal of Chemical Sciences
Volume 94 Issue 3 June 1985 pp 487-493 Organic Chemistry
Several α-oximino-β-thiosemicarbazones of acetoacetarylamides have been synthesized by condensing thiosemicarbazide and α-oximinoacetoacetarylamides. α-Oximino-β-thiosemicarbazinoacetoacetarylamides are cyclized employing thionyl chloride or acetic anhydride/sodium acetate to give N-aryl 4-methyl-2-thiocarbamido-1,2,3, triazole-5 carboxylic acid amide. The compounds reported herein are characterized by
Volume 102 Issue 1 February 1990 pp 31-38 Organic
Resins were prepared by condensing 2-hydroxy-4-methoxyacetophenone (2-H-4-MAc) with urea and formaldehyde in the presence of 2 M HCl/2 M H2SO4 catalyst with varying molar ratios of reacting monomers. The resin samples were characterized by elemental analyses and IR spectral studies.$$\bar M_n $$ was determined by vapour pressure osmometry and non-aqueous conductometric titration in pyridine. Viscosity measurements of the resin samples were carried out in dimethylformamide. Chelation ion-exchange properties of 1∶1 resin for selected metal ions have also been studied employing the batch-equilibration method. This method involved the measurement of distribution of a given metal between a resin sample and a solution containing metal ions. The study was carried out over a wide pH range and in media of differing ionic strengths.
Volume 103 Issue 4 June 1991 pp 539-547 Organic
Copolymers (2-H, 4-MPPUF) were synthesized by the condensation of 2-hydroxy, 4-methoxy-propiophenone (2-H, 4-MPP), urea (U) and formaldehyde (F) in the presence of HCl and H2S04 as catalyst with varying molar ratios of reacting monomers. The copolymers were characterized by elemental analyses, IR spectra, viscosity and TGA study. Their$$\bar M_n $$ was determined by nonaqueous conductometric titrations and vapour pressure osmometry. Chelation ion-exchange properties have also been studied employing the batch-equilibration method.
Volume 108 Issue 3 June 1996 pp 276-276 Modern Trends In Inorganic Chemistry
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