Chen, Dong-Dong; Hou, Xue-Long; Dai, Li-Xin. A facile and regioselective synthesis of 2,5-disubstituted pyrroles via gold-catalyzed cycloisomerization of acetylenylaziridines. Tetrahedron Letters, 2009 , vol. 50, # 50 p. 6944 - 6946
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http://dx.doi.org/10.1016/j.tetlet.2009.05.091