1992
J. Nishikido et al.
LETTER
Inanaga, J.; Sugimoto, Y.; Hanamoto, T. New. J. Chem. 1995,
19, 707.
for the Friedel-Crafts acylation, Diels-Alder reaction, and
Meerwein-Ponndorf-Verley reduction.
(5) (a) Yb[N(SO2C4F9)2]3: Nishikido, J.; Nakajima, H.; Saeki, T.;
Ishii, A.; Mikami, K. Synlett 1998, 1347. (b) Al-, Ti-,
Yb[N(SO2CF3)2]3: Mikami, K.; Kotera, O.; Motoyama, Y.;
Sakaguchi, H.; Maruta, M. Synlett 1996, 171. Also see: X-ray
analysis of [Mg(H2O)6].N(SO2CF3)2: Haase, A.; Klare, Ch.
Bert, P.; Bruckmann, J.; Kruger, C.; Tsay, Y.-H.; Aubke, F.
Acknowledgement
K. M. is grateful to Prof. K. Seppelt of Freie Universitat Berlin and
Dr. W. M. Lamanna of 3M Fluorochemical Technology Center for
their useful discussion on the preparation of tris(trifluoromethane-
sulfonyl)methane, HC(SO2CF3)3 and tris(perfluorobutanesulfo-
nyl)methane, HC(SO2C4F9)3 at the 15th International Symposium
on Fluorine Chemistry in Vancouver, Canada on August 1997.
.
Inorg. Chem. 1996, 35, 1920. Sc[N(SO2CF3)2]3 1.5CH3CO2H:
Ishihara, K.; Kubota, M.; Yamamoto, H. Synlett 1996, 173.
Li[N(SO2CF3)2]3: Handy, S. T.; Grieco, P. A.; Mineur, C.;
Ghosez, L. Synlett 1995, 565. Li-, Mg-, Zn-,
La[N(SO2CF3)2]3: Kobayashi, H.; Nie, J.; Sonoda, T. Chem.
Lett. 1995, 307.
(6) Waller, F. J.; Barrett, A. G. M.; Braddock, D. C.; Ramprasad,
D.; McKinnell, R. M.; White, A. J. P.; Williams, D. J.;
Durcray, R. J. Org. Chem. 1999, 64, 2910.
References and Notes
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Crafts and Related Reactions, Vols. 1-4, Interscience: New
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(3) (a) Reviews: Kobayashi, S. Synlett 1994, 689. Marshman, R.
W. Aldrichimica Acta 1995, 28, 77. Engeeberts, J. B. N. F.;
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(8) Lamanna, W. M.; Palazzotto, M. C.; Mahoney, W. S.; Kropp,
M. A. U.S. Patent 1996, 5554664. For the Li-, Na-, K-, Ca-,
Mg-, Zn- or Al-complexes, see: Dominey, L. A. U.S. Patent
1993, 5273840.
(9) (a) Reviews: Waldman, H. Synthesis 1994, 535. Boger, D. L.
Synthesis 1994, 451. Streith, J.; DeFoin, A. Synthesis 1994,
1107. Oh, T.; Reilly, M. Org. Prep. Proceed. Int. 1994, 26,
131. Pinaur, U.; Luts, G.; Otto, C. Chem. Rev. 1993, 93, 741.
Kagan, H. B.; Riant, O. Chem. Rev. 1992, 92, 1007.
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(4) For other catalytic Friedel-Crafts acylations, see: (a) GaCl3/
AgClO4: Mukaiyama, T.; Ohno, T.; Mishimura, T.; Suda, S.;
Kobayashi, S. Chem. Lett. 1991, 1059. (b) Sc(OSO2C8F17)3:
Article Identifier:
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Synlett 1999, No. 12, 1990–1992 ISSN 0936-5214 © Thieme Stuttgart · New York