Synthesis and biological study of some new chalcones and oxopyrimidines containing imidazo[1,2-a]pyridine nucleus
作者:M. J. Joshi、P. B. Vekariya、B. L. Dodiya、R. M. Ghetiya、H. S. Joshi
DOI:10.1002/jhet.787
日期:2012.1
the reaction of 2‐(4‐Chlorophenyl)imidazo[1,2‐a]pyridine‐3‐carbaldehyde 1 and different aryl acetophenone in the presence of catalytic amount of 40% alkali to give (2E)‐3‐(2‐(4‐chlorophenyl)imidazo[1,2‐a]pyridin‐3‐yl)‐1‐arylprop‐2‐en‐1‐ones 2a–l. Compounds 2a–l on reaction with urea in the presence of basic catalyst such as KOH to give 6‐(2‐(4‐chlorophenyl)imidazo[1,2‐a]pyridin‐3‐yl)‐4‐aryl pyrimidin‐2(1H)‐ones
异取代的查耳酮和氧嘧啶是在催化量为40%的碱存在下,通过2-(4-氯苯基)咪唑并[1,2 - a ]吡啶-3-甲醛1与不同的芳基苯乙酮反应合成的(2 E)-3-(2-(4-氯苯基)咪唑[1,2 - a ]吡啶-3-基)-1-芳基丙-2-烯-1-酮2a – l。在碱性催化剂(例如KOH)存在下,化合物2a - 1与尿素反应,生成6-(2-(4-氯苯基)咪唑并[1,2 - a ]吡啶-3-基)-4-芳基嘧啶2 (1 H)-3a – 1。他们的IR,1H-NMR,MASS光谱数据和元素分析均与指定的结构相符。筛选所有新合成的化合物的抗菌活性。J.杂环化学。(2012)。