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. 2023 Mar 20;13(14):9281–9303. doi: 10.1039/d3ra00297g

The physicochemical properties, drug-likeness, and drug-likeness scores of isatin-based Schiff bases 3b and 5a–c.

Properties 3b 5a 5b 5c
Formula C21H14FN5O2 C19H14ClN5O C24H17N5O C25H19N5O
Molecular weight (MW) 387.37 363.80 391.42 405.45
Num. Heavy atoms (atoms) 29 26 30 31
Num. aromatic heavy atoms (arom-atoms) 18 17 23 23
Fraction Csp3 0.00 0.05 0.00 0.04
Num. Rotatable bonds (R-bonds) 4 3 4 4
Num. H-bond acceptors (H-acc) 7 4 4 4
Num. H-bond donors (H-don) 2 1 1 1
Molar refractivity (MR) 111 105.5 120.96 125.92
Topological polar surface area (TPSA) 98.77 71.64 71.64 71.64
M log P (solubility) 2.48 2.48 2.90 3.11
W log P (solubility) 4.57 3.04 3.74 4.05
X log P (solubility) 4.15 4.15 4.26 4.62
Lipinski filter violations 0 0 0 0
Ghose filter violations 0 0 0 0
Veber (GSK) filter violations 0 0 0 0
Egan (pharmacia) filter violations 0 0 0 0
Drug-likeness model score −0.14 0.05 −0.05 0.31