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Synthesis 1990; 1990(6): 488-490
DOI: 10.1055/s-1990-26914
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Preparation of N 1,N 2,N 2-Trisubstituted N 1-Acylamidinium Salts from Nitrilium Salts and N,N-Disubstituted Amides

Johannes C. Jochims* , Rajab Abu-El-Halawa
  • *Fakultät für Chemie der Universität Konstanz, Postfach 5560, D-7750 Konstanz, Federal Republic of Germany
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Publication Date:
17 September 2002 (online)

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Nitrilium salts (1) react with N,N-disubstituted amides (2) furnishing N 1,N 2,N 2-trisubstituted N 1-acylamidinium salts (4). These salts are effective substrates with the N 1-acyl residue as leaving group for nucleophilic substitutions. Reactions with the nucleophiles methanol, and imines (6) are described.