Challenging clinically unresponsive medullary thyroid cancer: Discovery and pharmacological activity of novel RET inhibitors
作者:Valeria La Pietra、Stefania Sartini、Lorenzo Botta、Alessandro Antonelli、Silvia Martina Ferrari、Poupak Fallahi、Alessio Moriconi、Vito Coviello、Luca Quattrini、Yi-Yu Ke、Hsieh Hsing-Pang、Federico Da Settimo、Ettore Novellino、Concettina La Motta、Luciana Marinelli
DOI:10.1016/j.ejmech.2018.02.080
日期:2018.4
within the protein active site (V804L and V804M). Pursuing a receptor-based virtual screening against the kinase domain of RET, we found that compound 5 is able to inhibit efficiently both wild type and V804L mutant RET. Compound 5 was able to significantly reduce proliferation of both commercially available TT cell lines and surgical thyroid tissues obtained from patients with MTC and displayed a suitable
[EN] NEW TRPA1 ANTAGONISTS<br/>[FR] NOUVEAUX ANTAGONISTES DE TRPA1
申请人:ALMIRALL SA
公开号:WO2017060488A1
公开(公告)日:2017-04-13
The present invention relates to compounds of Formula (I), to the process for preparing such compounds and to their use in the treatment of a pathological condition or disease susceptible to amelioration by TRPA1 channel inhibition or antagonism.
Optimization of a Novel Quinazolinone-Based Series of Transient Receptor Potential A1 (TRPA1) Antagonists Demonstrating Potent in Vivo Activity
作者:Laurie B. Schenkel、Philip R. Olivieri、Alessandro A. Boezio、Holly L. Deak、Renee Emkey、Russell F. Graceffa、Hakan Gunaydin、Angel Guzman-Perez、Josie H. Lee、Yohannes Teffera、Weiya Wang、Beth D. Youngblood、Violeta L. Yu、Maosheng Zhang、Narender R. Gavva、Sonya G. Lehto、Stephanie Geuns-Meyer
DOI:10.1021/acs.jmedchem.6b00039
日期:2016.3.24
developing a transient receptor potential A1 (TRPA1) antagonist for the treatment of pain due to a wealth of data implicating its role in pain pathways. Despite this, identification of a potent small molecule tool possessing pharmacokinetic properties allowing for robust in vivo target coverage has been challenging. Here we describe the optimization of a potent, selective series of quinazolinone-based
由于大量数据暗示了其在疼痛途径中的作用,因此开发一种用于治疗疼痛的瞬时受体电位A1(TRPA1)拮抗剂引起了人们的极大兴趣。尽管如此,鉴定具有药代动力学特性以允许强大的体内靶标覆盖的有效小分子工具一直具有挑战性。在这里,我们描述了一种有效的,选择性的基于喹唑啉酮的TRPA1拮抗剂系列的优化。高通量筛选确定4,它们具有有希望的效价和选择性。一种策略旨在优化效能同时增加极性,以改善内在清除率,最终发现嘌呤酮27(AM-0902),这是一种有效的TRPA1选择性拮抗剂,具有药代动力学特性,可在体内对大鼠TRPA1 IC 50进行30倍以上的覆盖。化合物27在大鼠中表现出对AITC诱导的退缩的剂量依赖性抑制作用,从而证实了其作为研究TRPA1在体内疼痛模型中作用的工具的效用。
Synthesis and Antimicrobial Activity of Some 1-arylideneamino-4-(4-chlorobenzylidene)-2-methyl- 1H-imidazolin-5(4H)-one Compounds
作者:Cong Tien Nguyen、Dao Thi Hong Dinh、Thin Van Nguyen、Giang Duc Le、Hien Cao Nguyen
DOI:10.13005/ojc/350245
日期:2019.4.28
1-amino-4-(4-chlorobenzylidene)-2-methyl-1H-imidazolin-5(4H)-one with aromatic aldehydes gave eight corresponding Schiff’s bases namely 1-arylideneamino-4-(4-chlorobenzylidene)-2-methyl-1H-imidazolin-5(4H)-ones. The structure of the 3-(4-chlorophenyl)propanohydrazide and the imidazoline-5-one compounds was confirmed by IR, 1H-NMR and MS spectral data. The Schiff’s bases were tested for antimicrobial activities
The present invention relates to compounds of formula (I): wherein R1, R2, R3, R4a, R4b, R4C, R4d, L, A, Q, W and HET are each as defined herein. The compounds of the present invention are inhibitors of autotaxin (ATX) enzyme activity. The present invention also relates to processes for the preparation of these compounds, to pharmaceutical compositions comprising them, and to their use in the treatment of proliferative disorders, such as cancer, as well as other diseases or conditions (e.g. fibrosis) in which ATX activity is implicated.
本发明涉及式(I)化合物:其中 R1、R2、R3、R4a、R4b、R4C、R4d、L、A、Q、W 和 HET 各如本文所定义。本发明的化合物是自体免疫球蛋白(ATX)酶活性的抑制剂。本发明还涉及这些化合物的制备工艺、包含这些化合物的药物组合物,以及它们在治疗增殖性疾病(如癌症)和其他涉及 ATX 活性的疾病或病症(如纤维化)中的用途。