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Synthesis 1990; 1990(4): 341-346
DOI: 10.1055/s-1990-26873
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Benzotriazole Mediated Synthesis of Methylenebisanilines

Alan R. Katritzky* , Xiangfu Lan, Jamshed N. Lam
  • *Department of Chemistry, University of Florida, Gainesville, FL 32611, USA
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Publication Date:
17 September 2002 (online)

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Methylenebisanilines and methylenebis(N,N-dialkylaniline)s are prepared by the reactions of 1-hydroxymethylbenzotriazole with anilines and with N,N-dialkylanilines under acidic conditions. Isolation of the intermediate 4-(benzotriazol-1-ylmethyl)anilines and the N,N-dialkyl analogues and their reactions with anilines allow the efficient preparation of both symmetrical and unsymmetrical members of both product classes.