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https://doi.org/10.1016/j.tet.2004.02.009
| Title: | Indium(III) chloride catalyzed in situ generation of enamines and cyclization with imines: A novel route for synthesis of hexahydroxanthene-9-N- arylamines | Authors: | Anniyappan, M. Muralidharan, D. Perumal, P.T. Vittal, J.J. |
Keywords: | Enamine Imines Indium trichloride Xanthene |
Issue Date: | 22-Mar-2004 | Citation: | Anniyappan, M., Muralidharan, D., Perumal, P.T., Vittal, J.J. (2004-03-22). Indium(III) chloride catalyzed in situ generation of enamines and cyclization with imines: A novel route for synthesis of hexahydroxanthene-9-N- arylamines. Tetrahedron 60 (13) : 2965-2969. ScholarBank@NUS Repository. https://doi.org/10.1016/j.tet.2004.02.009 | Abstract: | 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 20mol% InCl3 in acetonitrile under reflux condition was used without further purification, for the cyclization reaction with salicylaldehyde Schiff's bases. © 2004 Elsevier Ltd. All rights reserved. | Source Title: | Tetrahedron | URI: | http://scholarbank.nus.edu.sg/handle/10635/94040 | ISSN: | 00404020 | DOI: | 10.1016/j.tet.2004.02.009 |
| Appears in Collections: | Staff Publications |
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