Non-ionic [2]rotaxanes containing methylated α-cyclodextrins

Abstract

Non-ionic [2]rotaxanes have been prepared from complexes of oligoethylene derivatives with methylated α-cyclodextrins by capping them with trinitrophenyl groups as stoppers.

References

1. D. Philp and J. F. Stoddart, Angew. Chem., Int. Ed. Engl., 1996, 35, 1154; H. W. Gibson, M. C. Bheda and P. T. Engen, Prog. Polym. Sci., 1994, 19, 843; A. Harada, Large Ring Molecules, ed. J. A. Semlyen, Wiley, Chichester, 1996, p. 407.
2. D. B. Amabilino and J. F. Stoddart, Chem. Rev., 1995, 95, 2725; H. W. Gibson, Large Ring Molecules, ed. J. A. Semlyen, Wiley Chichester, 1996, p. 191.
3. A. Harada, Polym. News, 1993, 18, 358; G. Wenz, Angew. Chem., Int. Ed. Engl., 1994, 33, 803; I. Yamaguchi, K. Osakada and T. Yamamoto, J. Am. Chem. Soc., 1996, 118, 1811; A. Harada, J. Li and M. Kamachi, Nature (London), 1992, 356, 325.
4. R. A. Bissell, E. Córdova, A. E. Kaifer and J. F. Stoddart, Nature (London), 1994, 369, 133; P. L. Anelli, N. Spencer and J. F. Stoddart, J. Am. Chem. Soc., 1991, 113, 5131.
5. D. Whang and K. Kim, J. Am. Chem. Soc., 1997, 119, 451; D. Whang, Y.-M. Jeon, J. Heo and K. Kim, J. Am. Chem. Soc., 1996, 118, 11 333.
6. H. Ogino, J. Am. Chem. Soc., 1981, 103, 1303; H. Ogino and K. Ohata, Inorg. Chem., 1984, 23, 3312; J. S. Manka and D. S. Lawrence, J. Am. Chem. Soc., 1990, 112, 2440; T. V. S. Rao and D. S. Lawrence, J. Am. Chem. Soc., 1990, 112, 3614; D. L. Dick, T. V. S. Rao, D. Sukumaran and D. S. Lawrence, J. Am. Chem. Soc., 1992, 114, 2664; R. S. Wylie and D. H. Macartney, J. Am. Chem. Soc., 1992, 114, 3136 (g) After submitting this manuscript, the synthesis and characterization of an α-CD [2]rotaxane containing a cob(III)alamin stoppered decamethylene chain has been reported: R. B. Hannak, G. Färber, R. Konrat and B. Kräutler, J. Am. Chem. Soc., 1997, 119, 2313.
7. R. Isnin and A. E. Kaifer, J. Am. Chem. Soc., 1991, 113, 8188; G. Wenz, E. Bey and L. Schmidt, Angew. Chem., Int. Ed. Engl., 1992, 31, 783.