Enthalpy parameters for interaction of small peptides with 18-crown-6 and aza-18-crown-6 in water at 25�C

Kulikov, Oleg V.; Krestov, G. A.; Zielenkiewicz, W.

doi:10.1007/bf00972962

Cited by 4 publications

(1 citation statement)

References 33 publications

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“…The thermodynamics of ligand-binding process for crown ethers has been studied extensively (El Basyony et al, 1976;Heo et al, 1982;Grossel et al, 1991). However, very few thermodynamic results are available for these compounds in their pure states (Rajewskii et al, 1985;Briggner and Wadso ¨, 1990) or for their phase equilibrium in binary systems (Gottlieb and Herskowitz, 1984;Doman ´ska and Kniaz ˘, 1994;Doman ´ska and Rolin ´ska, 1994;Doman ´ska, 1998) or excess enthalpies or volumes in binary systems (Letcher et al, 1991;Zielenkiewicz et al, 1993;Kulikov et al, 1995;Parfenyuk and Kulikov, 1996).…”

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confidence: 99%

Measurement and Correlation of Solid−Liquid Equilibria of 18-Crown-6 in Alcohols. 1

Domańska

Venkatesu

1998

J. Chem. Eng. Data

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The solid-liquid equilibria of 13 binary mixtures of 1,4,7,10,13,16-hexaoxaoctadecane (18-crown-6) in alcohols (methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, 2-butanol, tert-butyl alcohol, 1-pentanol, 1-hexanol, 1-heptanol, 1-octanol, 1-nonanol, and 1-dodecanol) have been determined experimentally by a dynamic method in temperature range from 275 K to the melting temperature of 18-crown-6. The results of solubility have been correlated by the Wilson, NRTL 1, and UNIQUAC equations. The existence of solid-solid first-order phase transition in 18-crown-6 has been taken into consideration in the solubility calculations. The best correlations of the solubility data have been obtained by the Wilson equation, where the average root-mean-square deviation of the solubility temperature is 0.45 K.

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