The proton cryptate of hexaethylenetetramine

Yuji Miyahara, Yurika Tanaka, Kiichi Amimoto, Takamitsu Akazawa, Tsutomu Sakuragi, Haruhito Kobayashi, Kazuomi Kubota, Masahiko Suenaga, Hiroyuki Koyama, Takahiko Inazu

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31 Citations (Scopus)


The next higher homologue of hexamethylenetetramine was synthesized as the proton cryptate H+α1 · Br- (shown schematically), and its X-ray structure determined. The proton trapped by the lone pairs accumulated at the center of the T-symmetric tetraaza cage could not be exchanged or removed, even after heating for three days in 3 m NaOD.

Original languageEnglish
Pages (from-to)956-959
Number of pages4
JournalAngewandte Chemie - International Edition
Issue number7
Publication statusPublished - Apr 1 1999

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)

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    Miyahara, Y., Tanaka, Y., Amimoto, K., Akazawa, T., Sakuragi, T., Kobayashi, H., Kubota, K., Suenaga, M., Koyama, H., & Inazu, T. (1999). The proton cryptate of hexaethylenetetramine. Angewandte Chemie - International Edition, 38(7), 956-959.<956::AID-ANIE956>3.0.CO;2-K