Preparation and properties of a huge, crystalline, and water-soluble compound (C72H132N12Br6S12) that possesses six carbenium salt units

Chemistry Letters

Volumn , Issue 8, 2001, Pages 768-769

  Nakayama, Juzo ^a   Otani, Toyohiro ^a   Tadokoro, Tomoko ^a   Sugihara, Yoshiaki ^a   Ishii, Akihiko ^a  

^a SAITAMA UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0035628009     PISSN: 03667022     EISSN: None     Source Type: Journal    
DOI: 10.1246/cl.2001.768     Document Type: Article

References (24)

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9. i) J. Nakayama, I. Akiyama, Y. Sugihara, and T. Nishio, J. Am. Chem. Soc., 120, 10027 (1998).
10. j) J. Nakayama, T. Kitahara, Y. Sugihara, and A. Ishii, Chem. Lett., 1999, 187.
11. k) J. Nakayama, T. Kitahara, Y. Sugihara, A. Sakamoto, and A. Ishii, J. Am. Chem. Soc., 122, 9120 (2000).
12. l) J. Nakayama, L. Zhao, T. Otani, Y. Sugihara, and A. Ishii, Chem. Lett., 2000, 1248.
13. For other works related to this type of inner salts, see J. Nakayama, Sulfur Lett., 15, 239 (1993) and references cited therein; N. Kuhn, H. Bohmen, and G. Henkel, Z. Naturforsch., 49b, 1473 (1994); N. Kuhn, G. Weyers, S. Dümmling, and B. Speiser, Phosphorus, Sulfur, Silicon, 128, 45 (1997); N. Kuhn, G. Weyers, and G. Henkel, Chem. Commun., 1997, 627; S. Dümmling, B. Speiser, N. Kuhn, and G. Weyers, Acta Chem. Scand., 53, 876 (1999).
14. For other works related to this type of inner salts, see J. Nakayama, Sulfur Lett., 15, 239 (1993) and references cited therein; N. Kuhn, H. Bohmen, and G. Henkel, Z. Naturforsch., 49b, 1473 (1994); N. Kuhn, G. Weyers, S. Dümmling, and B. Speiser, Phosphorus, Sulfur, Silicon, 128, 45 (1997); N. Kuhn, G. Weyers, and G. Henkel, Chem. Commun., 1997, 627; S. Dümmling, B. Speiser, N. Kuhn, and G. Weyers, Acta Chem. Scand., 53, 876 (1999).
15. For other works related to this type of inner salts, see J. Nakayama, Sulfur Lett., 15, 239 (1993) and references cited therein; N. Kuhn, H. Bohmen, and G. Henkel, Z. Naturforsch., 49b, 1473 (1994); N. Kuhn, G. Weyers, S. Dümmling, and B. Speiser, Phosphorus, Sulfur, Silicon, 128, 45 (1997); N. Kuhn, G. Weyers, and G. Henkel, Chem. Commun., 1997, 627; S. Dümmling, B. Speiser, N. Kuhn, and G. Weyers, Acta Chem. Scand., 53, 876 (1999).
16. For other works related to this type of inner salts, see J. Nakayama, Sulfur Lett., 15, 239 (1993) and references cited therein; N. Kuhn, H. Bohmen, and G. Henkel, Z. Naturforsch., 49b, 1473 (1994); N. Kuhn, G. Weyers, S. Dümmling, and B. Speiser, Phosphorus, Sulfur, Silicon, 128, 45 (1997); N. Kuhn, G. Weyers, and G. Henkel, Chem. Commun., 1997, 627; S. Dümmling, B. Speiser, N. Kuhn, and G. Weyers, Acta Chem. Scand., 53, 876 (1999).
17. For other works related to this type of inner salts, see J. Nakayama, Sulfur Lett., 15, 239 (1993) and references cited therein; N. Kuhn, H. Bohmen, and G. Henkel, Z. Naturforsch., 49b, 1473 (1994); N. Kuhn, G. Weyers, S. Dümmling, and B. Speiser, Phosphorus, Sulfur, Silicon, 128, 45 (1997); N. Kuhn, G. Weyers, and G. Henkel, Chem. Commun., 1997, 627; S. Dümmling, B. Speiser, N. Kuhn, and G. Weyers, Acta Chem. Scand., 53, 876 (1999).
18. Commercially available from Aldrich.
19. 6 : C, 36.62; H, 4.49; N, 6.57%. Found: C, 36.66; H, 4.56; N, 6.75%.
20. 12: C, 42.60; H, 6.55; N, 8.28%. Found: C, 41.64; H, 6.60; N, 7.82%.
21. Attempts to prepare single crystals suitable for X-ray crystallographic analysis are not successful.
22. 9 is more soluble in water than are 6 and 7.
23. 12: C, 45.76; H, 7.68; N, 7.62%. Found: C, 45.56; H, 7.67; N, 7.41%.
24. 3S = 5-amino-1,3,4-thiadiazole-2-yl] and the sulfoxide derivative were reported: C. Yang, X.-M. Chen, X.-Q. Lu, Q.-H. Zhou, and Y.-S. Yang, Chem. Commun., 1997, 2041.