Bioisosteric transformation of H1-antihistaminic benzimidazole derivatives.
作者:Ryuichi IEMURA、Manabu HORI、Tadayuki SAITO、Hiroshi OHTAKA
DOI:10.1248/cpb.37.2723
日期:——
With the aim of obtaining new H1-antihistaminic agents, transformations of previously reported antihistaminic benzimidazoles were performed on the basis of the concept of bioisosterism. Among the compounds prepared, imidazo[4,5-b]pyridine (8) and 4(3H)-quinazolinone (11) exhibited significant H1-antihistaminic activity.
为了获得新的H1-抗组胺药,在生物等位构想的基础上进行了先前报道的抗组胺苯并咪唑的转化。在制备的化合物中,咪唑并[4,5-b]吡啶(8)和4(3H)-喹唑啉酮(11)表现出显着的H1-抗组胺活性。