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Selective Aromatic N ‐Substitution with N ‐(4‐Tolyl)hydroxylamine by Addition of Polar Aprotic or Diethereal Solvent
Author(s) -
Takeuchi Hiroshi,
Tateiwa Junichi,
Hata Suguru,
Tsutsumi Keisuke,
Osaki Yoshinori
Publication year - 2003
Publication title -
european journal of organic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.825
H-Index - 155
eISSN - 1099-0690
pISSN - 1434-193X
DOI - 10.1002/ejoc.200200576
Subject(s) - chemistry , trifluoroacetic acid , hydroxylamine , anisole , toluene , solvent , organic chemistry , amination , polar , electrophilic aromatic substitution , medicinal chemistry , catalysis , physics , astronomy
Amination of anisole and toluene with N ‐(4‐tolyl)hydroxylamine in trifluoroacetic acid was tuned to regioselectively provide the corresponding diarylamine by partial replacement of trifluoroacetic acid with a polar aprotic or a diethereal solvent. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2003)