A theoretical study of hydrophobic fragment and factor constants of Hansch and Leo: estimation of a few non-available fragments and factors.

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1996-02-01
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Hydrophobic fragment constants (f) of benzotriazol-2-yl and Ar-N[CO-]2 systems, and aliphatic H/S polar interaction factors F(H/S) in Cl2CHCONH-Ar and Cl3CCONH-Ar, of Hansch and Leo's constructionist approach, were estimated as 0.69 (standard deviation = 0.17), -1.98, 0.95 and 0.98 respectively. The validity of the first constant has been tested by calculating the log P of compounds not included in the regression.
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Prabhakar YS. A theoretical study of hydrophobic fragment and factor constants of Hansch and Leo: estimation of a few non-available fragments and factors. Indian Journal of Biochemistry & Biophysics. 1996 Feb; 33(1): 72-5