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1
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0028007798
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The Sci-Finder program of the Chemical Abstracts Service currently (September 20, 1998) lists 38709 references to papers that contain the word "ionophore", 12215 reference citations for "crown ether", and 1778 references to papers dealing with "cryptands". Specific attention is called to studies involving the conformational control of cation binding by the research groups of W. C. Still (tetrahydropyrans; M. T. Burger, A. Armstrong, G. Guarneri, D. Q. McDonald, W. C. Still J. Am. Chem. Soc. 1994, 116, 3593) and U. Koert (tetrahydrofurans;
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Burger, M.T.1
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Still, W.C.5
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2
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0030752370
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U. Koert, M. Stein, H. Wagner, Chem. Eur. J. 1997, 3, 1170).
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Chem. Eur. J.
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Koert, U.1
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3
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0003647041
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The Royal Society of Chemistry, Cambridge, UK
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Reviews: a) G. Gokel, Crown Ethers and Cryptands, The Royal Society of Chemistry, Cambridge, UK, 1991;
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(1991)
Crown Ethers and Cryptands
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Gokel, G.1
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15
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1542582866
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e) R. M. Izatt, J. S. Bradshaw, R. L. Bruening, Chem. Rev. 1991, 91, 1721;
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Chem. Rev.
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Izatt, R.M.1
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17
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33751552840
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a) R. D. Hancock, P. W. Wade, M. P. Ngwenya, A. S. deSousa, K. V. Damu, Inorg. Chem. 1990, 29, 1968;
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Hancock, R.D.1
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Damu, K.V.5
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18
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84916502531
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b) E. Pretsch, M. Badertscher, M. Welti, T. Maruizumi, W. E. Morf, W. Simon, Pure Appl. Chem. 1988, 60, 567;
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Pure Appl. Chem.
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Pretsch, E.1
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Simon, W.6
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21
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0001320625
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b) G. Wipff, P. Weiner, P. Kollman, J. Am. Chem. Soc. 1982, 104, 3249.
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Wipff, G.1
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0000193646
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b) B. P. Hay, J. R. Rustad, C. J. Hostetler, J. Am. Chem. Soc. 1993, 115, 11158.
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24
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0001398419
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a) J. T. Negri, R. D. Rogers, L. A. Paquette, J. Am. Chem. Soc. 1991, 113, 5073;
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33751391024
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b) L. A. Paquette, J. T. Negri, R. D. Rogers, J. Org. Chem. 1992, 57, 3947;
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Paquette, L.A.1
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0000991382
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c) L. A. Paquette, M. Stepanian, U. V. Mallavadhani, T. D. Cutarelli, T. B. Lowinger, H. J. Klemeyer, J. Org. Chem. 1996, 61, 7492.
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Paquette, L.A.1
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Lowinger, T.B.5
Klemeyer, H.J.6
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27
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0000043539
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The presence of three syn axial oxygen centers on a six-membered ring is quite uncommon. This arrangement is not present in sugars and has been evaluated only in cis-inositol (S. J. Angyal, R. J. Hickman, Aust. J. Chem. 1975, 28, 1279), muellitol
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(1975)
Aust. J. Chem.
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Angyal, S.J.1
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28
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0006649258
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(S. J. Angyal, D. Greeves, L. Littlemore, Aust. J. Chem. 1975, 38, 1561), and 2-deoxy-2-methyl-epi-inositol
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Aust. J. Chem.
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Angyal, S.J.1
Greeves, D.2
Littlemore, L.3
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29
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0000917192
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(S. J. Angyal, D. Greeves, V. A. Pickles, Carbohydr. Res. 1974, 35, 165).
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Carbohydr. Res.
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Angyal, S.J.1
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33751386706
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Bifacial ionophores are virtually unknown; see a) W. Y. Lee, C. H. Park, J. Org. Chem. 1993, 58, 7149;
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J. Org. Chem.
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Lee, W.Y.1
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b) L. A. Paquette, J. Tae, B. M. Branan, S. W. E. Eisenberg, J. E. Hofferberth, Angew. Chem. 1999, 111, 1505;
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Paquette, L.A.1
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Hofferberth, J.E.5
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33
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33747560631
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note
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2, more advanced capping with the Normant reagent, and chromatographic separation of the diastereomers.
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34
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33747527013
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note
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-1, T = 173(2) K. A total of 8504 reflections were collected of which 3517 were unique (R(int) = 0.056) and 1623 were observed [I > 2σ(I)]. The refinement converged to R1 =0.092, wR2 = 0.214, and S = 1.045. Crystallographic data (excluding structure factors) for this structure reported in this paper have been deposited with the Cambridge Crystallographic Data Centre as supplementary publication no. CCDC-111932. Copies of the data can be obtained free of charge on application to CCDC, 12 Union Road, Cambridge CB21EZ, UK (fax: (+44) 1223-336-033; e-mail: deposit@ccdc.cam.ac.uk).
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5344244992
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K. E. Koenig, G. M. Lein, P. Struckler, T. Kaneda, D. J. Cram, J. Am. Chem. Soc. 1979, 101, 3553.
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J. Am. Chem. Soc.
, vol.101
, pp. 3553
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Koenig, K.E.1
Lein, G.M.2
Struckler, P.3
Kaneda, T.4
Cram, D.J.5
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38
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33747580596
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note
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2 solvate was examined.
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39
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33747578020
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note
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-1.
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