Antimalarial drugs. 64. Synthesis and antimalarial properties of 1-imino derivatives of 7-chloro-3-substituted-3,4-dihydro-1,9(2H,10H)-acridinediones and related structures
摘要:
To improve upon the activity and properties of the 3-aryl-7-chloro-3,4-dihydro-1,9(2H,10H)-acridinediones, a variety of 1-[(alkylamino)alkylene]imino derivatives (3) were prepared and shown to be highly active antimalarial agents in both rodents and primates. Among structural modifications prepared, including N-10-alkyl and C2-substituted analogs, removal of the C-9 oxygen, and introduction of an imino side chain at C-9, the imines of the N-10-H acridinediones were the most active compounds obtained. The [3-(NN-dimethylamino)propyl]imino derivative of 7-chloro-3-(2,4-dichlorophenyl)-3,4-dihydro-1,9(2H,10H)-acridinedione (9aa) proved to be highly active in advanced studies in primates.
Cyclohexane-1,3-Diones for Use in the Treatment of Amyotrophic Lateral Sclerosis
申请人:Kirsch Donald R.
公开号:US20120264765A1
公开(公告)日:2012-10-18
The present invention relates to the identification of provided cyclohexane-1,3-diones (CHD compounds) and pharmaceutical compositions thereof for treating subjects with amyotrophic lateral sclerosis (ALS) and other neurodegenerative diseases. The invention also provides methods of preparing the provided CHD compounds.
Free radical reactions for heterocycle synthesis: formation of keto spiro-γ-lactones and keto spiro-γ«ctams
作者:Wei Zhang、Georgia Pugh
DOI:10.1016/s0040-4039(99)01543-9
日期:1999.10
A new method for the synthesis of keto spiro-gamma-lactones and keto spiro-gamma-lactams by intramolecular free radical cyclization is described. (C) 1999 Elsevier Science Ltd. All rights reserved.
A library synthesis of 4-hydroxy-3-methyl-6-phenylbenzofuran-2-carboxylic acid ethyl ester derivatives as anti-tumor agents
As a result of a hit-to-lead program using a technique of solution-phase parallel synthesis, a highly potent (2,4-dimethoxyphenyl)- [6- (3 -fluorophenyl)-4-hydroxy- 3 -methylbenzofuran -2 -yl] methanone (15b) was synthesized as an optimized derivative of 4-hydroxy-3-methyl-6-phenylbenzofuran-2-carboxylic acid ethyl ester (1), which was discovered as a screening hit from small-molecule libraries and exhibited selective cytotoxicity against a tumorigenic cell line. (C) 2004 Elsevier Ltd. All rights reserved.