Indium(III) chloride catalyzed in situ generation of enamines and cyclization with imines: a novel route for synthesis of hexahydroxanthene-9-N-arylamines
作者:Marimuthu Anniyappan、D Muralidharan、Paramasivan T Perumal、Jagadese J Vittal
DOI:10.1016/j.tet.2004.02.009
日期:2004.3
A simple, efficient, and novel method has been developed for the synthesis of hexahydroxanthene-9-N-arylamine derivatives through a one-pot reaction of cyclohexanone and morpholine with salicylaldehyde imines in the presence of indium(III) chloride as a catalyst. 1-(4-Morpholino)-cyclohexene enamine prepared in situ from cyclohexanone and morpholine in presence of 20 mol% InCl3 in acetonitrile under
已经开发了一种简单,有效和新颖的方法,用于在氯化铟(III)催化剂存在下,通过环己酮和吗啉与水杨醛亚胺的一锅反应,合成六氢氧杂蒽-9 - N-芳基胺衍生物。在回流条件下,由环己酮和吗啉在乙腈中存在20 mol%InCl 3的条件下,由环己酮和吗啉原位制备的1-(4-Morpholino)-环己烯烯胺无需进一步纯化即可用于与水杨醛席夫碱的环化反应。