A new series of TRH analogues was synthesized.
Peptide 7k showed 925-fold selectivity towards mTRH-R2 receptor in the IP-1 assay.
Peptide 7k showed 272-fold selectivity towards mTRH-R2 receptor in the FLIPR assay.
Peptide 7k decreased the sleeping time by >76% in a PB-induced assay.