Development of 2-Thioxoquinazoline-4-one Derivatives as Dual and Selective Inhibitors of Dynamin-Related Protein 1 (Drp1) and Puromycin-Sensitive Aminopeptidase (PSA)
An established inhibitor of dynamin-related protein 1 (Drp1), 3-(2,4-dichloro-5-methoxyphenyl)-2-thioxoquinazoline-4-one (mdivi-1), was recently reported also to show potent puromycin-sensitive aminopeptidase (PSA)-inhibitory activity. Herein, we report structural development of mdivi-1 derivatives and structure–activity relationship (SAR) analysis of the synthesized compounds, as well as the structurally related PSA-specific inhibitor 3-(2,6-diethylphenyl)quinazoline-2,4-dione (PAQ-22), with the aim of identifying key structural features for inhibitory activity in order to develop selective inhibitors of Drp1, which is a potential target for treatment of Huntington’s disease. Among the synthesized compounds, 3-(4-chloro-3-methoxyphenyl)-2-thioxoquinazoline-4-one (10g) exhibited more potent Drp1-inhibitory activity than mdivi-1 with high selectivity for Drp1 over PSA.
Abstract Quinazolin-4(3H)-one structures are highly valued in synthetic chemistry due to their incorporation into diverse natural products and drug molecules. Here, we present a new approach for constructing quinazolin-4(3H)-ones utilizing the reactive N-sulfonoketenimines, generated in situ from terminal alkynes and sulfonyl azides and 2-aminobenzamides in the presence of CuI and Et3N. The reaction
摘要 Quinazolin-4(3 H )-one 结构由于能够融入多种天然产物和药物分子中,因此在合成化学中具有很高的价值。在这里,我们提出了一种利用反应性N -磺基烯酮亚胺构建 quinazolin-4(3 H )-one 的新方法,该反应是在 CuI 和 Et 3 N存在下由末端炔烃、磺酰叠氮化物和 2-氨基苯甲酰胺原位生成的。室温下在 MeCN 中顺利进行,以良好的效率提供目标化合物,并且适合克级合成。 图形概要
Synthe`se ete´tudein vitro de l'activite´antiagre´gante plaquettaire de de´rive´s de la te´trahydro-1,2,3,4 quinazoline
作者:Denis Gravier、Jean-Pierre Dupin、Fran¸oise Casadebaig、Genevie`ve Hou、Michel Boisseau、Henri Bernard
DOI:10.1016/0223-5234(89)90058-5
日期:1989.9
TANI JUNICHI; YAMADA YOSHIHISA; OINE TOYONARI; OCHIAI TAKASHI; ISHIDA RYU+, J. MED. CHEM., 1979, 22, NO 1, 95-99