A Convenient Synthesis and Biological Research of Novel 5,6,7,8-Tetrahydro-1,6-naphthyridin-2(1<i>H</i>)-one Derivatives Hydrochloride as Cytotoxic Agents
A series of 5,6,7,8‐tetrahydro‐1,6‐naphthyridin‐2(1H)‐one derivativeshydrochloride were obtained using a convenient and mild method from 4‐piperidone monohydrate hydrochloride. The newly synthesized compounds and their derivatives were characterized by 1H NMR, 13C NMR, and high‐resolution mass spectrometry. Furthermore, cytotoxicity in vitro of the synthesized compounds were screened using MTT or
使用方便和温和的方法从4-哌啶酮一水合物盐酸盐中获得了一系列5,6,7,8-四氢-1,6-萘啶2-2(1 H)-one盐酸盐。通过1 H NMR,13 C NMR和高分辨率质谱对新合成的化合物及其衍生物进行了表征。此外,使用MTT或CCK8测定法筛选了合成化合物的体外细胞毒性。结果表明,某些化合物具有潜在的抗肿瘤活性。其中,化合物10a对肿瘤细胞(MOLM-13)有作用,最大抑制浓度值的一半为76μMOl/ L。
Novel quinazolin-4-one derivatives as potentiating agents of doxorubicin cytotoxicity
We report the design, synthesis and biological evaluation of 17 novel 8-aryl-2-morpholino-3,4-dihydroquinazoline derivatives based on the standard model of DNA-PK and PI3K inhibitors. Novel compounds are sub-divided into two series where the second series of five derivatives was designed to have a better solubility profile over the first one. A combination of in vitro and in silico techniques suggested
Structure–activity relationship study of bone morphogenetic protein (BMP) signaling inhibitors
作者:Gregory D. Cuny、Paul B. Yu、Joydev K. Laha、Xuechao Xing、Ji-Feng Liu、Carol S. Lai、Donna Y. Deng、Chetana Sachidanandan、Kenneth D. Bloch、Randall T. Peterson
DOI:10.1016/j.bmcl.2008.06.052
日期:2008.8
A structure-activity relationship study of dorsomorphin, a previously identified inhibitor of SMAD 1/5/8 phosphorylation by bone morphogenetic protein (BMP) type 1 receptors ALK2, 3, and 6, revealed that increased inhibitory activity could be accomplished by replacing the pendent 4-pyridine ring with 4-quinoline. The activity contributions of various nitrogen atoms in the core pyrazolo[1,5-a]pyrimidine ring were also examined by preparing and evaluating pyrrolo[1,2-a] pyrimidine and pyrazolo[1,5-a] pyridine derivatives. In addition, increased mouse liver microsome stability was achieved by replacing the ether substituent on the pendent phenyl ring with piperazine. Finally, an optimized compound 13 (LDN-193189 or DM-3189) demonstrated moderate pharmacokinetic characteristics (e.g., plasma t(1/2) = 1.6 h) following intraperitoneal administration in mice. These studies provide useful molecular probes for examining the in vivo pharmacology of BMP signaling inhibition. (c) 2008 Elsevier Ltd. All rights reserved.