Acetylcholinesterase Inhibitors: SAR and Kinetic Studies on ω-[N-Methyl-N-(3-alkylcarbamoyloxyphenyl)methyl]aminoalkoxyaryl Derivatives
摘要:
In this work, we further investigated a class of carbamic cholinesterase inhibitors introduced in a previous paper (Rampa et al. J. Med. Chem. 1998, 41, 3976). Some new omega-[N-methyl-N-(3-alkylcarbamoyloxyphenyl)methyl]aminoalkoxyaryl analogues were designed, synthesized, and evaluated for their inhibitory activity against both acetyleholinesterase (AChE) and butyrylcholinesterase (BuChE). The structure of the lead compound (xanthostigmine) was systematically varied with the aim to optimize the different parts of the molecule. Moreover, such a structure-activity relationships (SAR) study was integrated with a kinetic analysis of the mechanism of AChE inhibition for two representative compounds. The structural modifications lead to a compound (12b) showing an IC50 value for the AChE inhibition of 0.32 +/- 0.09 nM and to a group of BuChE inhibitors also active at the nanomolar level, the most potent of which (15d) was characterized by an IC50 value of 3.3 +/- 0.4 nM. The kinetic analysis allowed for clarification of the role played by different molecular moieties with regard to the rate of AChE carbamoylation and the duration of inhibition. On the basis of the results presented here, it was concluded that the cholinesterase inhibitors of this class possess promising characteristics in view of a potential development as drugs for the treatment of Alzheimer's disease.
A diverse set of N-methyl secondary amines are obtained in high yields by an expedient reductive alkylation of commercially available methanolic methylamine.
Compounds of formula (I) described herein are inhibitors of the phosphodiesterase 4 (PDE4) enzyme and muscarinic M3 receptor antagonists and are useful for the prevention and/or treatment of diseases of the respiratory tract characterized by airway obstruction.
Quinazoline Derivatives and Therapeutic Use Thereof
申请人:Lee Young B.
公开号:US20090030021A1
公开(公告)日:2009-01-29
Quinazoline derivatives represented by the general formula
pharmacologically acceptable salts thereof, and compositions containing such compounds are described. Methods for using the compounds for treatment of hyperproliferative disorders are also disclosed.
Neidigh, Kurt A.; Avery, Mitchell A.; Williamson, John S., Journal of the Chemical Society. Perkin transactions I, 1998, # 16, p. 2527 - 2531
作者:Neidigh, Kurt A.、Avery, Mitchell A.、Williamson, John S.、Bhattacharyya, Sukanta
DOI:——
日期:——
P2–P4 Macrocyclic inhibitors of hepatitis C virus NS3-4A serine protease
作者:Ashok Arasappan、F. George Njoroge、Kevin X. Chen、Srikanth Venkatraman、Tejal N. Parekh、Haining Gu、John Pichardo、Nancy Butkiewicz、Andrew Prongay、Vincent Madison、Viyyoor Girijavallabhan
DOI:10.1016/j.bmcl.2006.05.022
日期:2006.8
Synthesis and HCV NS3 serine protease inhibitory activity of 4-hydroxyproline derived macrocyclic inhibitors and SAR around this macrocyclic core is described in this communication. X-ray structure of inhibitor 38 bound to the protease is discussed.
PYRIMIDINONE COMPOUNDS AND METHODS FOR PREVENTING AND TREATING INFLUENZA
申请人:Webb Thomas R.
公开号:US20140079666A1
公开(公告)日:2014-03-20
In one aspect, the invention relates to novel, broad-spectrum anti-viral, pyrimidinone compounds, methods of use, compositions and kits useful in treating and/or preventing influenza. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.