Displacement reactions of 2-chloro- and 2,9-dichloro-1,10-phenanthroline: synthesis of a sulfur-bridged bis-1,10-phenanthroline macrocycle and a 2,2′-amino-substituted-bis-1,10-phenanthroline
作者:A. Paul Krapcho、Silvia Sparapani、Amber Leenstra、Joshua D. Seitz
DOI:10.1016/j.tetlet.2009.01.138
日期:2009.7
The synthesis and structural assignments of 9-chloro-1,1-phenanthroline-2(1H)-thione and 1,10-dihydro-1,10-phenanthroline-2,9-dithione have been accomplished. The sulfur-bridged bis-1,10-phenanthroline macrocycle was readily prepared by heating the thione or equimolar amounts of the dithione and 2,9-dichloro-1,10-phenanthroline in diphenyl ether. Displacements of 2-chloro- or 2,9-dichloro-1,10-phenanthroline with N,N-dimethylethylenediamine afforded the corresponding airline and diamino analogues. Am amino-substituted-2,2'-bis-1,10-phenanthroline has been prepared. (C) 2009 Elsevier Ltd. All rights reserved.