Synthesis and evaluation of a new series of substituted acyl(thio)urea and thiadiazolo [2,3-a] pyrimidine derivatives as potent inhibitors of influenza virus neuraminidase
作者:Chuanwen Sun、Xiaodong Zhang、Hai Huang、Pei Zhou
DOI:10.1016/j.bmc.2006.08.034
日期:2006.12
A series of substituted acyl(thio)urea and 2H-1,2,4-thiadiazolo [2,3-a] pyrimidine derivatives were prepared and both of their cell culture and enzymatic activity toward influenza virus were tested. Their in vitro neuraminidase inhibitory activities were in good agreement with the corresponding activities in cultured cells and they were evaluated as potent neuraminidase inhibitors. Of the analogues
A series of polysubstituted and fused heterocycle derivatives of acylthiourea was prepared and the biological activity against influenza virus was evaluated. Of the analogues that demonstrated IC(50)s < 0.1 mu M, acylthiourea derivatives 16 and 50 were further investigated as candidates with the most potential for future development. The SAR of these compounds are discussed and they represent a novel class of highly potent and selective inhibitors of influenza virus. (c) 2005 Published by Elsevier Ltd.