Recent advances in the synthesis of thiazolo[4,5-b]pyridines. Part 1: Focus on pyridine annulation to thiazole ring (microreview)

The present microreview systematizes recent advances in the synthetic approaches for novel thiazolo[4,5-b]-pyridines and summarizes pharmacological effects they were found to possess. In particular, modern synthetic techniques for thiazolo[4,5-b]pyridine bicyclic scaffold construction starting from thiazole or thiazolidine derivatives followed by pyridine annulation, which results in the target fused thiazolo[4,5-b]pyridines, are analyzed.