Potential transition state phosphoramidate inhibitors of β-tubulin as antifilarial agents
作者:R J Anderson、D J Bendell、M Hooper、D Cairns、S P Mackay、S P Hiremath、A S Jivanagi、S Badami、J S Biradar、S Townson
DOI:10.1211/0022357011775055
日期:2010.2.18
were fully characterized and the synthetic procedure to both compounds was optimized. The procedure was used to prepare the related 5-benzoyl-2-(diisopropoxyphosphoryl)aminobenzimidazole and 5-benzoyl-2-(diethoxyphosphoryl)aminobenzimidazole (1d). In a preliminary trial against Brugia pahangi compound 1d was found to have no antifilarial activity. This lack of activity may be attributed to its extreme
β-微管蛋白的过渡态氨基磷酸酯抑制剂被设计为潜在的抗孝顺剂。2-氨基苯并咪唑与亚磷酸二异丙酯和四氯化碳在低温下反应,得到了意想不到的1-二异丙氧基磷酰基-2-氨基苯并咪唑,加热后得到了新型苯并咪唑衍生物2-(二异丙氧基磷酰基)氨基苯并咪唑。两种产品均经过充分表征,并且优化了两种化合物的合成步骤。该方法用于制备相关的5-苯甲酰基-2-(二异丙氧基磷酰基)氨基苯并咪唑和5-苯甲酰基-2-(二乙氧基磷酰基)氨基苯并咪唑(1d)。在针对帕格鲁氏菌的初步试验中,发现化合物1d没有抗丝虫活性。缺乏活性可能归因于其极度的不溶性,因此生物利用度低。