The reactivity of the 7-chloro-8-iodo- and 8-chloro-7-iodoimidazo[1,2-a]pyridines 1a-e diversely substituted on the 2 position, towards Suzuki-Miyaura, Sonogashira, and Buchwald-Hartwig cross-coupling reactions as well as cyanation was evaluated. Various methodologies are proposed to introduce aryl, heteroaryl, alkyne, amine or cyano groups in the two positions depending on the nature of the su...

BACKGROUND The aryl hydrocarbon receptor (AHR) repressor (AHRR), a member of growing superfamily, is a basic-helix-loop-helix/Per-AHR nuclear translocator (ARNT)-Sim (bHLH-PAS) protein. Recently, AHRR has been proposed to function as a putative new tumor suppressor gene based on some relevant studies in multiple types of human cancers. This current study aims to investigate AHHR expression and ...

7 ABSTRACT: β-Amino acids are emerging as an important class of 8 compounds in medicinal chemistry. β-Aryl-β-alanines show antiepilepto9 genesis activity, while others have been used to synthesize antibiotic β10 peptides. To assess the utility of a methylidene imidazolone-dependent 11 Pantoea agglomerans phenylalanine aminomutase (PaPAM) for making 12 non-natural β-amino acids, we surveyed the ...