Research Article

Investigation of Antileishmanial Activities of Acridines Derivatives against Promastigotes and Amastigotes Form of Parasites Using Quantitative Structure Activity Relationship Analysis

Table 3

The absolute values of correlation coefficients with descriptors and activities.

Descriptors

Promastigotes
 Henry’s law constant ()0.130
 Ideal gas thermal capacity (IGTC)0.108
 Number of H-Bond acceptors (NHA)0.299
 Number of H-Bond donors (NHD)0.250
 Balaban index ()0.133
 Shape coefficient ()0.135
 Total valence connectivity (TVC)0.292
 N%0.238
 H%0.260
 Gibbs free energy ()0.119
 Dipole moment ()0.213
 Electronegativity ()0.599
 Electrophilicity index ()0.630
 Molecular topological index (MTI)0.116
 Polar surface area (PSA)0.282
 Total connectivity (TC)0.269
 Wiener index ()0.124
0.554
0.632
0.227
Amastigotes
 Total energy, 0.160
0.286
 Electronegativity () 0.316
 Polar surface area (PSA)0.391
 O%0.105
 Index of refraction ()0.548
 Density ()0.242
 Critical pressure (CP)0.176
 Gibbs free energy ()0.195
 Henry’s law constant ()0.387
 Number of H-Bond acceptors (NHA)0.198
 Number of H-Bond donors (NHD) 0.587
 Number of rotatable bonds (NRB)0.139
 Sum of valence degrees (SVD)0.146
 Dipole moment ()0.224
0.338
 Electrophilicity index () 0.335
 N%0.436
 C%0.155
 Surface tension ()0.553
 Boiling point (TB)0.254
 Critical temperature (CT)0.276
 Heat of formation ()0.152
0.248
 Melting point ()0.314
 Partition coefficient (PC)0.163
 Shape coefficient ()0.176
 Winner index ()0.103