Unusual structures derived from<i>N</i>-acridin-9-yl methyl<i>N</i>′-acridin-9-yl thiourea based on the propensity of N-10 to retain H
作者:Karel D. Klika、Kalevi Pihlaja、Ján Imrich、Mária Vilková、Juraj Bernát
DOI:10.1002/jhet.5570430331
日期:2006.5
N-Acridin-9-yl methyl N′-acridin-9-ylthiourea spontaneously spiro cyclises via nucleophilic attack of the methylene carbon onto the C-9 of the other acridine moiety. The thiourea, upon reaction with bromoacetonitrile, provided a spiro fused-bicyclic product displaying unusual dynamic behavior.