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Synthesis 1993; 1993(9): 873-875
DOI: 10.1055/s-1993-25960
short paper
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A Convenient Synthesis of 2-(1H-Tetrazol-5-yl)-2-cyanoacetate Betaines

Danijel Kikelj* , Richard Neidlein
  • *Pharmazeutisch-Chemisches Institut der Universität Heidelberg, Im Neuenheimer Feld 364, D-69120 Heidelberg, Germany
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Publication Date:
29 April 2002 (online)

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2-(1H-Tetrazol-5-yl)-2-cyanoacetate betaines 3a-g were prepared from the corresponding dicyanoacetates and trimethylsilyl azide in a convenient one-pot synthesis.