Abstract An efficient approach for the synthesis of various imidazoquinoxalines and spiroquinoxalinones has been reported from 2-(1H-imidazol-1-yl) aniline and different aldehydes using Wang-OSO3H as a reusable catalyst to get in good yields. The reaction condition has been optimized by screening in various solvents and a gram scale experiment has also demonstrated. Further, the substrate scope of
摘要 已经报道了一种有效的合成各种咪唑喹喔啉和螺喹喔啉酮的方法,该方法使用 Wang-OSO 3 H 作为可重复使用的催化剂,从 2-(1 H -imidazol -1-yl) 苯胺和不同的醛中获得了良好的收率。通过在各种溶剂中筛选优化了反应条件,并且还进行了克级实验。此外,反应的底物范围也得到了很好的证明。
Synthesis of new steroidal quinolines with antitumor properties
the steroid nucleus has been recognized as a useful strategy to develop newsteroidal agents for disease treatment. Representative examples are abiraterone and galeterone, which are presently used in clinic for the treatment of advanced prostate cancers. Herein we have developed the first Al2O3/KF-promoted pfitzinger reactions for the synthesis of newsteroidal quinolines. These newsteroidal quinolines
The present invention provides compounds of formula (I) and pharmaceutically acceptable salts thereof as cyclin-dependent kinase inhibitors (one or more of CDK1, CDK2, CDK4, and CDK6), methods of preparing them, and pharmaceutical compositions containing them. The compounds of the present invention are useful in the treatment, prevention and/or amelioration of diseases or disorders associated with one or more of CDK1, CDK2, CDK4, and CDK6.
Synthesis and Antiproliferatory Activities Evaluation of Multi-Substituted Isatin Derivatives
作者:Ying Ding、Lianbo Zhao、Ying Fu、Lei Hao、Yupeng Fu、Yuan Yuan、Peng Yu、Yuou Teng
DOI:10.3390/molecules26010176
日期:——
reaction. The structures of these derivatives were confirmed by 1H-NMR, 13C-NMR, and HR-MS. Inhibition of proliferation activities of these derivatives against human leukemia cells (K562), human hepatocellularcarcinoma cells (HepG2) and human colon carcinoma cells (HT-29) were evaluated in vitro using the MTT assay. Among the series, compound 4l exhibited strong antiproliferatory activities against K562,