PubMed · 12403534
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Gary Alex. 2002. Curing lights.. https://doi.org/10.14219/jada.archive.2002.0039
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The 1,3,4,5-tetrahydro-benzo[c][1,6]- and [c][1,7]-napthyridin-6-ones are presented as a potent class of PARP-1 inhibitors. Derivatives of these partially saturated aza-5[H]-phenanthridin-6-ones were designed and synthesized with tertiary amines for salt formation, thus enhancing aqueous solubility, iv formulation and their potential use in acute ischemic injuries (i.e., myocardial ischemia and stroke). We found that partial saturation of the C-ring results in derivatives that are several times more potent than the aromatic C-ring derivatives. The general synthetic routes are presented herein as well as thorough in vitro potencies and SAR discussion for selected derivatives.
The discovery, synthesis and structure-activity studies of a novel series of 2-arylpyrimidin-4-ones as CRF-1 receptor antagonists is described. These compounds are structurally simple and display appropriate physical properties for CNS agents
PNAs with terminal modifications of varying structure and charge were synthesized and their binding to DNA was studied. A variation in thermal stability of 19. 8 degrees C has been observed between the least and the most stable PNA-DNA duplexes. The most stable duplex melts 7.7 degrees C higher than the duplex of the corresponding non-modified PNA and complementary DNA. It has been shown that sequence fidelity of the PNA conjugate having the highest DNA affinity is significantly better than that of non-modified PNA. The results obtained can be used for the design of PNA probes, whose binding to DNA is sequence independent.