Design and Synthesis of ALK5 Inhibitors

Design and Synthesis of ALK5 Inhibitors

Harun Patel,Malleshappa Noolvi,Rajshekhar Karpoormath

Autore: Harun Patel,Malleshappa Noolvi,Rajshekhar Karpoormath
Formato: Copertina flessibile
Pagine: 100
Data Pubblicazione: 2015-12-10
Edizione: 1
Lingua: English

Descrizione:
A new series of imidazo[2,1b][1,3,4]thiadiazoles 5(ag), 6(ag), 9(ai) and 12(ah) were synthesized. Among them, 23 compounds 5a, 5b, 5e, 5d, 5f, 5g, 6a, 6b, 6c, 6d, 6e, 9b, 9d, 9f, 9g, 9h, 9i, 12b, 12c, 12d, 12e, 12g, and 12h were evaluated at National Cancer Institute for single dose in vitro primary cytotoxicity assay. Compound 5b, 5e, 6c, 6d, 6e, 12c, 12d and 12e were further screened for 5log dose molar range as they have shown prominent cell growth inhibition at 105 M concentration against variety of cell lines. Compound 5e shows significant inhibition against Leukemia HL60 cell line with GI50 of 0.0285 M and highest selectivity towards the Leukemic Cancer cell line (selectivity ratio of 7.96) it also shows prominent ALK5 inhibition (IC50 = 0.0263 M) and elective inhibition (91%) against KDR at10 M. The binding mode of compound 5e by SP docking studies shows that it ?ts well into the active site cavity of ALK5 by forming broad and tight interactions. Lipinskis rule and in silico ADME pharmacokinetic parameters are within the acceptable range defined for human use thereby indicating their potential as a druglike molecules.