In a recent paper,[Arienti, KL; Brunmark, A.; Axe, FU; McClure, KM; Lee, A.; Blevitt, J.; Neff, DK; Huang, L.; Crawford, S.; Chennagiri, RP; Karlsson, L.; Brietenbucher, JGJ Med. Chem. 2005, 48, 1873], we described the discovery of a class of benzimidazole chk2 kinase inhibitors, exemplified by compound 1, which had radio-protective effects in human T-cells subjected to ionizing radiation. Here, a series of non-benzimidazole analogs intended to ...