Table 5.

Correlation matrix (r) of log k_w parameters obtained by HPLC using various stationary phases and log P parameters calculated using various computational approaches.

Descriptor	log kw C-18	log kw IAM	log kw Chol	log K HSA	log K AGP
log P 1	0.84 (4, 16) 5	0.90 (4, 16) 5	0.84 (4, 16) 5	0.79 (4, 16) 5	0.83
C log P 1	0.87 (16) 5	0.87 (16) 5	0.84 (4, 16) 5	0.72 (7, 16) 5	0.92 (13) 5
S + log P 2	0.89 (16) 5	0.89 (18) 5	0.82 (4, 16) 5	0.68 (7) 5	0.93 (13) 5
S + log D 2	0.89 (16) 5	0.85	0.82 (4, 16) 5	0.68 (7) 5	0.92 (13) 5
M log P 3	0.90 (16) 5	0.85 (16) 5	0.81 (4, 16) 5	0.60 (7) 5	0.91 (13) 5
ALogP 3	0.89 (16) 5	0.81	0.82 (8, 16) 5	0.56	0.83 (13) 5
log P (M-K) 4	0.89 (4, 16) 5	0.83	0.86 (4, 16) 5	0.70 (16) 5	0.94 (13) 5

¹—log P models calculated by ChemDraw Ultra 10.0. software [38]. ²—log P calculated by MedChem Designer 3.0.0.30 software [40]. ³—log P calculated by Percepta 2.0 [39]. ⁴—log P model prediction by Vega QSAR [35]. ⁵—outlier compounds.