4815-24-1Relevant articles and documents
Straightforward synthesis, characterization, and cytotoxicity evaluation of hybrids of natural alkaloid evodiamine/rutaecarpine and thieno[2,3-d]pyrimidinones
Aisa, Haji Akber,Cao, Jian-Guo,Huang, Guo-Zheng,Liu, Fei-Ze,Nie, Li-Fei,Wang, Si-Si,Xiamuxi, Hainimu
, p. 69 - 82 (2019/01/05)
Dozens of hybrids of natural alkaloid evodiamine/rutaecarpine and thieno[2,3-d]pyrimidinones were synthesized in a straightforward method by condensation of substituted 2H-thieno[2,3-d][1, 3]oxazine-2,4(1H)-diones or N-methyl-2H-thieno[2,3-d][1, 3]oxazine-2,4(1H)-dione with 3,4-dihydro-β-carbolines. In vitro cytotoxic assay discovered that compounds 9a, 10e, 11a, 11d, 11f, and 12a could induce antiproliferation against four different types of human cancer cells while compounds 10f and 12e were inactive. Notably, compound 11a displayed potent cell cytotoxicity for human non-small cell lung cancer cells A549, PC-9, human prostate cancer cells PC-3, and human breast cancer cell line MCF-7. Furthermore, compound 11a exhibited strong colony formation inhibition to A549 cells. These results unfold potential anticancer therapeutic applications of hybrids of thieno[2,3-d]pyrimidinones and quinazolinones.
One-Pot Synthesis of Thieno[3,2- e]pyrrolo[1,2- a]pyrimidine Derivative Scaffold: A Valuable Source of PARP-1 Inhibitors
Shipilovskikh, Sergei A.,Rubtsov, Aleksandr E.
supporting information, p. 15788 - 15796 (2019/12/25)
A new, efficient, and versatile one-pot cascade reaction of diverse Gewald's aminothiophenes, 2-hydroxy-4-oxobut-2-enoic acid, and derivatives of cyanoacetic acid catalyzed by Et3N is presented. It enables direct synthesis of diverse 1-(2-oxoethylidene)-2-oxothieno[3,2-e]pyrrolo[1,2-a]pyrimidine in good to excellent yields. The reaction exhibits a broad substrate scope and also presents an opportunity for further modification of the structure. The method offers a convenient practical alternative to the known procedures. The synthesized thieno[3,2-e]pyrrolo[1,2-a]pyrimidine scaffold is an important structural motif of new poly(ADP-ribose) polymerase (PARP) inhibitors, playing a useful role in multiple pharmacological applications.
A Thieno[2,3- d]pyrimidine Scaffold Is a Novel Negative Allosteric Modulator of the Dopamine D2 Receptor
Fyfe, Tim J.,Zarzycka, Barbara,Lim, Herman D.,Kellam, Barrie,Mistry, Shailesh N.,Katrich, Vsevolod,Scammells, Peter J.,Lane, J. Robert,Capuano, Ben
, p. 174 - 206 (2018/05/14)
Recently, a novel negative allosteric modulator (NAM) of the D2-like dopamine receptors 1 was identified through virtual ligand screening. This ligand comprises a thieno[2,3-d]pyrimidine scaffold that does not feature in known dopaminergic ligands. Herein, we provide pharmacological validation of an allosteric mode of action for 1, revealing that it is a NAM of dopamine efficacy and identify the structural determinants of this allostery. We find that key structural moieties are important for functional affinity and negative cooperativity, while functionalization of the thienopyrimidine at the 5- and 6-positions results in analogues with divergent cooperativity profiles. Successive compound iterations have yielded analogues exhibiting a 10-fold improvement in functional affinity, as well as enhanced negative cooperativity with dopamine affinity and efficacy. Furthermore, our study reveals a fragment-like core that maintains low μM affinity and robust negative cooperativity with markedly improved ligand efficiency.
