Dinesh R. Godhani, Umang P. Mehta, Anwar H. Saiyad, Kuldip P. Parmar, Jignasu P. Mehta
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Acoustical Studies of Some Derivatives of Pyrimidine-Substituted Azetidine in Binary Liquid Mixture at Different Temperatures
In a binary liquid mixture containing pyrimidine-substituted azetidinone ultrasonic velocities, densities, and viscosities have been measured by unit of molality azetidinone at temperatures T = (298.15, 308.15, and 313.15 K). 3-chloro-4-(4-nitrophenyl)-1-(pyrimidin-2-yl)azetidin-2-one (AT1) and 3-chloro-4-(4-chlorophenyl)-1-(pyrimidin-2-yl)azetidin-2-one (AT2) in N,N-dimethylformamide (DMF) and dimethyl sulfoxide (DMSO) were studied. The density, dynamic viscosity, and ultrasonic sound velocity have all been measured, among other acoustical and thermodynamic properties. Gibbs free energy of activation (ΔG*), enthalpy of activation (ΔH*), and entropy of activation (ΔS*) values have been studied further to determine how solvent changes and structural modifications impact these values. The molecular interactions between the components of the liquid combination have been used to explain these findings.
期刊介绍：
Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance.
Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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