A methylene bridged dialuminium compound as a chelating Lewis acid - Complexation of azide and acetate anions by R2Al-CH2-AlR2 [R = CH(SiMe3)2]

Journal of Organometallic Chemistry

Volumn 579, Issue 1-2, 1999, Pages 18-23

  Uhl, Werner ^a   Hannemann, Frank ^a  

^a UNIVERSITY OF OLDENBURG   (Germany)

Author keywords

Aluminium; Chelates; Lewis acids

Indexed keywords

EID: 0002956662     PISSN: 0022328X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0022-328X(98)01150-4     Document Type: Article

References (64)

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4. 3} is published in: (b) W. Uhl, M. Layh, W. Massa, Chem. Ber. 124 (1991) 1511.
5. H.E. Katz, J. Am. Chem. Soc. 107 (1985) 1420.
6. R. Altmann, K. Jurkschat, M. Schürmann, D. Dakternieks, A. Duthie, Organometallics 16 (1997) 5716.
7. Some examples for chelating Lewis acids, more derivatives are cited in the following references: (a) M.R. Ort, E.H. Mottus, J. Organomet. Chem. 50 (1973) 47. (b) H. Martin, H. Bretinger, Z. Naturforsch. B: Chem. Sci. 46 (1991) 615. (c) W. Uhl, M. Layh, J. Organomet. Chem. 415 (1991) 181. (d) F.A.R. Kaul, M. Tschinkl, F.P. Gabbai, ibid. 539 (1997) 187. (e) M.A. Khan, C. Peppe, D.G. Tuck, Organometallics 5 (1986) 525. (f) F.P. Gabbai, A. Schier, J. Riede, Chem. Commun. (1996) 1121. (g) F.P. Gabbai, A. Schier, J. Riede, D. Schichl, Organometallics 15 (1996) 4119. (h) M. Tschinkl, A. Schier, J. Riede, E. Schmidt, F.P. Gabbai, ibid. 16 (1997) 4759. (i) F.P. Gabbai, A. Schier, J. Riede, A. Sladek, H.W. Görlitzer, Inorg. Chem. 36 (1997) 5694. (j) M. Tschinkl, A. Schier, J. Riede, F.P. Gabbai, ibid. 36 (1997) 5706. (k) O. Saied, M. Simard, J.D. Wuest, Organometallics 17 (1998) 1128. (l) E.C. Ashby, R.S. Smith, J. Organomet. Chem. 225 (1982) 71. A dialuminium compound has been used in catalytic processes: (m) T. Ooi, M. Takahashi, K. Maruoka, J. Am. Chem. Soc. 118 (1996) 11307. (n) T. Ooi, E. Tayama, T. Takahashi, K. Maruoka, Tetrahedron Lett. 38 (1997) 7403. (o) T. Ooi, T. Miura, K. Maruoka, Angew. Chem. 110 (1998) 2524; Angew. Chem. Int. Ed. Engl. 37 (1998) 2347.
8. Some examples for chelating Lewis acids, more derivatives are cited in the following references: (a) M.R. Ort, E.H. Mottus, J. Organomet. Chem. 50 (1973) 47. (b) H. Martin, H. Bretinger, Z. Naturforsch. B: Chem. Sci. 46 (1991) 615. (c) W. Uhl, M. Layh, J. Organomet. Chem. 415 (1991) 181. (d) F.A.R. Kaul, M. Tschinkl, F.P. Gabbai, ibid. 539 (1997) 187. (e) M.A. Khan, C. Peppe, D.G. Tuck, Organometallics 5 (1986) 525. (f) F.P. Gabbai, A. Schier, J. Riede, Chem. Commun. (1996) 1121. (g) F.P. Gabbai, A. Schier, J. Riede, D. Schichl, Organometallics 15 (1996) 4119. (h) M. Tschinkl, A. Schier, J. Riede, E. Schmidt, F.P. Gabbai, ibid. 16 (1997) 4759. (i) F.P. Gabbai, A. Schier, J. Riede, A. Sladek, H.W. Görlitzer, Inorg. Chem. 36 (1997) 5694. (j) M. Tschinkl, A. Schier, J. Riede, F.P. Gabbai, ibid. 36 (1997) 5706. (k) O. Saied, M. Simard, J.D. Wuest, Organometallics 17 (1998) 1128. (l) E.C. Ashby, R.S. Smith, J. Organomet. Chem. 225 (1982) 71. A dialuminium compound has been used in catalytic processes: (m) T. Ooi, M. Takahashi, K. Maruoka, J. Am. Chem. Soc. 118 (1996) 11307. (n) T. Ooi, E. Tayama, T. Takahashi, K. Maruoka, Tetrahedron Lett. 38 (1997) 7403. (o) T. Ooi, T. Miura, K. Maruoka, Angew. Chem. 110 (1998) 2524; Angew. Chem. Int. Ed. Engl. 37 (1998) 2347.
9. Some examples for chelating Lewis acids, more derivatives are cited in the following references: (a) M.R. Ort, E.H. Mottus, J. Organomet. Chem. 50 (1973) 47. (b) H. Martin, H. Bretinger, Z. Naturforsch. B: Chem. Sci. 46 (1991) 615. (c) W. Uhl, M. Layh, J. Organomet. Chem. 415 (1991) 181. (d) F.A.R. Kaul, M. Tschinkl, F.P. Gabbai, ibid. 539 (1997) 187. (e) M.A. Khan, C. Peppe, D.G. Tuck, Organometallics 5 (1986) 525. (f) F.P. Gabbai, A. Schier, J. Riede, Chem. Commun. (1996) 1121. (g) F.P. Gabbai, A. Schier, J. Riede, D. Schichl, Organometallics 15 (1996) 4119. (h) M. Tschinkl, A. Schier, J. Riede, E. Schmidt, F.P. Gabbai, ibid. 16 (1997) 4759. (i) F.P. Gabbai, A. Schier, J. Riede, A. Sladek, H.W. Görlitzer, Inorg. Chem. 36 (1997) 5694. (j) M. Tschinkl, A. Schier, J. Riede, F.P. Gabbai, ibid. 36 (1997) 5706. (k) O. Saied, M. Simard, J.D. Wuest, Organometallics 17 (1998) 1128. (l) E.C. Ashby, R.S. Smith, J. Organomet. Chem. 225 (1982) 71. A dialuminium compound has been used in catalytic processes: (m) T. Ooi, M. Takahashi, K. Maruoka, J. Am. Chem. Soc. 118 (1996) 11307. (n) T. Ooi, E. Tayama, T. Takahashi, K. Maruoka, Tetrahedron Lett. 38 (1997) 7403. (o) T. Ooi, T. Miura, K. Maruoka, Angew. Chem. 110 (1998) 2524; Angew. Chem. Int. Ed. Engl. 37 (1998) 2347.
10. Some examples for chelating Lewis acids, more derivatives are cited in the following references: (a) M.R. Ort, E.H. Mottus, J. Organomet. Chem. 50 (1973) 47. (b) H. Martin, H. Bretinger, Z. Naturforsch. B: Chem. Sci. 46 (1991) 615. (c) W. Uhl, M. Layh, J. Organomet. Chem. 415 (1991) 181. (d) F.A.R. Kaul, M. Tschinkl, F.P. Gabbai, ibid. 539 (1997) 187. (e) M.A. Khan, C. Peppe, D.G. Tuck, Organometallics 5 (1986) 525. (f) F.P. Gabbai, A. Schier, J. Riede, Chem. Commun. (1996) 1121. (g) F.P. Gabbai, A. Schier, J. Riede, D. Schichl, Organometallics 15 (1996) 4119. (h) M. Tschinkl, A. Schier, J. Riede, E. Schmidt, F.P. Gabbai, ibid. 16 (1997) 4759. (i) F.P. Gabbai, A. Schier, J. Riede, A. Sladek, H.W. Görlitzer, Inorg. Chem. 36 (1997) 5694. (j) M. Tschinkl, A. Schier, J. Riede, F.P. Gabbai, ibid. 36 (1997) 5706. (k) O. Saied, M. Simard, J.D. Wuest, Organometallics 17 (1998) 1128. (l) E.C. Ashby, R.S. Smith, J. Organomet. Chem. 225 (1982) 71. A dialuminium compound has been used in catalytic processes: (m) T. Ooi, M. Takahashi, K. Maruoka, J. Am. Chem. Soc. 118 (1996) 11307. (n) T. Ooi, E. Tayama, T. Takahashi, K. Maruoka, Tetrahedron Lett. 38 (1997) 7403. (o) T. Ooi, T. Miura, K. Maruoka, Angew. Chem. 110 (1998) 2524; Angew. Chem. Int. Ed. Engl. 37 (1998) 2347.
11. Some examples for chelating Lewis acids, more derivatives are cited in the following references: (a) M.R. Ort, E.H. Mottus, J. Organomet. Chem. 50 (1973) 47. (b) H. Martin, H. Bretinger, Z. Naturforsch. B: Chem. Sci. 46 (1991) 615. (c) W. Uhl, M. Layh, J. Organomet. Chem. 415 (1991) 181. (d) F.A.R. Kaul, M. Tschinkl, F.P. Gabbai, ibid. 539 (1997) 187. (e) M.A. Khan, C. Peppe, D.G. Tuck, Organometallics 5 (1986) 525. (f) F.P. Gabbai, A. Schier, J. Riede, Chem. Commun. (1996) 1121. (g) F.P. Gabbai, A. Schier, J. Riede, D. Schichl, Organometallics 15 (1996) 4119. (h) M. Tschinkl, A. Schier, J. Riede, E. Schmidt, F.P. Gabbai, ibid. 16 (1997) 4759. (i) F.P. Gabbai, A. Schier, J. Riede, A. Sladek, H.W. Görlitzer, Inorg. Chem. 36 (1997) 5694. (j) M. Tschinkl, A. Schier, J. Riede, F.P. Gabbai, ibid. 36 (1997) 5706. (k) O. Saied, M. Simard, J.D. Wuest, Organometallics 17 (1998) 1128. (l) E.C. Ashby, R.S. Smith, J. Organomet. Chem. 225 (1982) 71. A dialuminium compound has been used in catalytic processes: (m) T. Ooi, M. Takahashi, K. Maruoka, J. Am. Chem. Soc. 118 (1996) 11307. (n) T. Ooi, E. Tayama, T. Takahashi, K. Maruoka, Tetrahedron Lett. 38 (1997) 7403. (o) T. Ooi, T. Miura, K. Maruoka, Angew. Chem. 110 (1998) 2524; Angew. Chem. Int. Ed. Engl. 37 (1998) 2347.
12. Some examples for chelating Lewis acids, more derivatives are cited in the following references: (a) M.R. Ort, E.H. Mottus, J. Organomet. Chem. 50 (1973) 47. (b) H. Martin, H. Bretinger, Z. Naturforsch. B: Chem. Sci. 46 (1991) 615. (c) W. Uhl, M. Layh, J. Organomet. Chem. 415 (1991) 181. (d) F.A.R. Kaul, M. Tschinkl, F.P. Gabbai, ibid. 539 (1997) 187. (e) M.A. Khan, C. Peppe, D.G. Tuck, Organometallics 5 (1986) 525. (f) F.P. Gabbai, A. Schier, J. Riede, Chem. Commun. (1996) 1121. (g) F.P. Gabbai, A. Schier, J. Riede, D. Schichl, Organometallics 15 (1996) 4119. (h) M. Tschinkl, A. Schier, J. Riede, E. Schmidt, F.P. Gabbai, ibid. 16 (1997) 4759. (i) F.P. Gabbai, A. Schier, J. Riede, A. Sladek, H.W. Görlitzer, Inorg. Chem. 36 (1997) 5694. (j) M. Tschinkl, A. Schier, J. Riede, F.P. Gabbai, ibid. 36 (1997) 5706. (k) O. Saied, M. Simard, J.D. Wuest, Organometallics 17 (1998) 1128. (l) E.C. Ashby, R.S. Smith, J. Organomet. Chem. 225 (1982) 71. A dialuminium compound has been used in catalytic processes: (m) T. Ooi, M. Takahashi, K. Maruoka, J. Am. Chem. Soc. 118 (1996) 11307. (n) T. Ooi, E. Tayama, T. Takahashi, K. Maruoka, Tetrahedron Lett. 38 (1997) 7403. (o) T. Ooi, T. Miura, K. Maruoka, Angew. Chem. 110 (1998) 2524; Angew. Chem. Int. Ed. Engl. 37 (1998) 2347.
13. Some examples for chelating Lewis acids, more derivatives are cited in the following references: (a) M.R. Ort, E.H. Mottus, J. Organomet. Chem. 50 (1973) 47. (b) H. Martin, H. Bretinger, Z. Naturforsch. B: Chem. Sci. 46 (1991) 615. (c) W. Uhl, M. Layh, J. Organomet. Chem. 415 (1991) 181. (d) F.A.R. Kaul, M. Tschinkl, F.P. Gabbai, ibid. 539 (1997) 187. (e) M.A. Khan, C. Peppe, D.G. Tuck, Organometallics 5 (1986) 525. (f) F.P. Gabbai, A. Schier, J. Riede, Chem. Commun. (1996) 1121. (g) F.P. Gabbai, A. Schier, J. Riede, D. Schichl, Organometallics 15 (1996) 4119. (h) M. Tschinkl, A. Schier, J. Riede, E. Schmidt, F.P. Gabbai, ibid. 16 (1997) 4759. (i) F.P. Gabbai, A. Schier, J. Riede, A. Sladek, H.W. Görlitzer, Inorg. Chem. 36 (1997) 5694. (j) M. Tschinkl, A. Schier, J. Riede, F.P. Gabbai, ibid. 36 (1997) 5706. (k) O. Saied, M. Simard, J.D. Wuest, Organometallics 17 (1998) 1128. (l) E.C. Ashby, R.S. Smith, J. Organomet. Chem. 225 (1982) 71. A dialuminium compound has been used in catalytic processes: (m) T. Ooi, M. Takahashi, K. Maruoka, J. Am. Chem. Soc. 118 (1996) 11307. (n) T. Ooi, E. Tayama, T. Takahashi, K. Maruoka, Tetrahedron Lett. 38 (1997) 7403. (o) T. Ooi, T. Miura, K. Maruoka, Angew. Chem. 110 (1998) 2524; Angew. Chem. Int. Ed. Engl. 37 (1998) 2347.
14. Some examples for chelating Lewis acids, more derivatives are cited in the following references: (a) M.R. Ort, E.H. Mottus, J. Organomet. Chem. 50 (1973) 47. (b) H. Martin, H. Bretinger, Z. Naturforsch. B: Chem. Sci. 46 (1991) 615. (c) W. Uhl, M. Layh, J. Organomet. Chem. 415 (1991) 181. (d) F.A.R. Kaul, M. Tschinkl, F.P. Gabbai, ibid. 539 (1997) 187. (e) M.A. Khan, C. Peppe, D.G. Tuck, Organometallics 5 (1986) 525. (f) F.P. Gabbai, A. Schier, J. Riede, Chem. Commun. (1996) 1121. (g) F.P. Gabbai, A. Schier, J. Riede, D. Schichl, Organometallics 15 (1996) 4119. (h) M. Tschinkl, A. Schier, J. Riede, E. Schmidt, F.P. Gabbai, ibid. 16 (1997) 4759. (i) F.P. Gabbai, A. Schier, J. Riede, A. Sladek, H.W. Görlitzer, Inorg. Chem. 36 (1997) 5694. (j) M. Tschinkl, A. Schier, J. Riede, F.P. Gabbai, ibid. 36 (1997) 5706. (k) O. Saied, M. Simard, J.D. Wuest, Organometallics 17 (1998) 1128. (l) E.C. Ashby, R.S. Smith, J. Organomet. Chem. 225 (1982) 71. A dialuminium compound has been used in catalytic processes: (m) T. Ooi, M. Takahashi, K. Maruoka, J. Am. Chem. Soc. 118 (1996) 11307. (n) T. Ooi, E. Tayama, T. Takahashi, K. Maruoka, Tetrahedron Lett. 38 (1997) 7403. (o) T. Ooi, T. Miura, K. Maruoka, Angew. Chem. 110 (1998) 2524; Angew. Chem. Int. Ed. Engl. 37 (1998) 2347.
15. Some examples for chelating Lewis acids, more derivatives are cited in the following references: (a) M.R. Ort, E.H. Mottus, J. Organomet. Chem. 50 (1973) 47. (b) H. Martin, H. Bretinger, Z. Naturforsch. B: Chem. Sci. 46 (1991) 615. (c) W. Uhl, M. Layh, J. Organomet. Chem. 415 (1991) 181. (d) F.A.R. Kaul, M. Tschinkl, F.P. Gabbai, ibid. 539 (1997) 187. (e) M.A. Khan, C. Peppe, D.G. Tuck, Organometallics 5 (1986) 525. (f) F.P. Gabbai, A. Schier, J. Riede, Chem. Commun. (1996) 1121. (g) F.P. Gabbai, A. Schier, J. Riede, D. Schichl, Organometallics 15 (1996) 4119. (h) M. Tschinkl, A. Schier, J. Riede, E. Schmidt, F.P. Gabbai, ibid. 16 (1997) 4759. (i) F.P. Gabbai, A. Schier, J. Riede, A. Sladek, H.W. Görlitzer, Inorg. Chem. 36 (1997) 5694. (j) M. Tschinkl, A. Schier, J. Riede, F.P. Gabbai, ibid. 36 (1997) 5706. (k) O. Saied, M. Simard, J.D. Wuest, Organometallics 17 (1998) 1128. (l) E.C. Ashby, R.S. Smith, J. Organomet. Chem. 225 (1982) 71. A dialuminium compound has been used in catalytic processes: (m) T. Ooi, M. Takahashi, K. Maruoka, J. Am. Chem. Soc. 118 (1996) 11307. (n) T. Ooi, E. Tayama, T. Takahashi, K. Maruoka, Tetrahedron Lett. 38 (1997) 7403. (o) T. Ooi, T. Miura, K. Maruoka, Angew. Chem. 110 (1998) 2524; Angew. Chem. Int. Ed. Engl. 37 (1998) 2347.
16. Some examples for chelating Lewis acids, more derivatives are cited in the following references: (a) M.R. Ort, E.H. Mottus, J. Organomet. Chem. 50 (1973) 47. (b) H. Martin, H. Bretinger, Z. Naturforsch. B: Chem. Sci. 46 (1991) 615. (c) W. Uhl, M. Layh, J. Organomet. Chem. 415 (1991) 181. (d) F.A.R. Kaul, M. Tschinkl, F.P. Gabbai, ibid. 539 (1997) 187. (e) M.A. Khan, C. Peppe, D.G. Tuck, Organometallics 5 (1986) 525. (f) F.P. Gabbai, A. Schier, J. Riede, Chem. Commun. (1996) 1121. (g) F.P. Gabbai, A. Schier, J. Riede, D. Schichl, Organometallics 15 (1996) 4119. (h) M. Tschinkl, A. Schier, J. Riede, E. Schmidt, F.P. Gabbai, ibid. 16 (1997) 4759. (i) F.P. Gabbai, A. Schier, J. Riede, A. Sladek, H.W. Görlitzer, Inorg. Chem. 36 (1997) 5694. (j) M. Tschinkl, A. Schier, J. Riede, F.P. Gabbai, ibid. 36 (1997) 5706. (k) O. Saied, M. Simard, J.D. Wuest, Organometallics 17 (1998) 1128. (l) E.C. Ashby, R.S. Smith, J. Organomet. Chem. 225 (1982) 71. A dialuminium compound has been used in catalytic processes: (m) T. Ooi, M. Takahashi, K. Maruoka, J. Am. Chem. Soc. 118 (1996) 11307. (n) T. Ooi, E. Tayama, T. Takahashi, K. Maruoka, Tetrahedron Lett. 38 (1997) 7403. (o) T. Ooi, T. Miura, K. Maruoka, Angew. Chem. 110 (1998) 2524; Angew. Chem. Int. Ed. Engl. 37 (1998) 2347.
17. Some examples for chelating Lewis acids, more derivatives are cited in the following references: (a) M.R. Ort, E.H. Mottus, J. Organomet. Chem. 50 (1973) 47. (b) H. Martin, H. Bretinger, Z. Naturforsch. B: Chem. Sci. 46 (1991) 615. (c) W. Uhl, M. Layh, J. Organomet. Chem. 415 (1991) 181. (d) F.A.R. Kaul, M. Tschinkl, F.P. Gabbai, ibid. 539 (1997) 187. (e) M.A. Khan, C. Peppe, D.G. Tuck, Organometallics 5 (1986) 525. (f) F.P. Gabbai, A. Schier, J. Riede, Chem. Commun. (1996) 1121. (g) F.P. Gabbai, A. Schier, J. Riede, D. Schichl, Organometallics 15 (1996) 4119. (h) M. Tschinkl, A. Schier, J. Riede, E. Schmidt, F.P. Gabbai, ibid. 16 (1997) 4759. (i) F.P. Gabbai, A. Schier, J. Riede, A. Sladek, H.W. Görlitzer, Inorg. Chem. 36 (1997) 5694. (j) M. Tschinkl, A. Schier, J. Riede, F.P. Gabbai, ibid. 36 (1997) 5706. (k) O. Saied, M. Simard, J.D. Wuest, Organometallics 17 (1998) 1128. (l) E.C. Ashby, R.S. Smith, J. Organomet. Chem. 225 (1982) 71. A dialuminium compound has been used in catalytic processes: (m) T. Ooi, M. Takahashi, K. Maruoka, J. Am. Chem. Soc. 118 (1996) 11307. (n) T. Ooi, E. Tayama, T. Takahashi, K. Maruoka, Tetrahedron Lett. 38 (1997) 7403. (o) T. Ooi, T. Miura, K. Maruoka, Angew. Chem. 110 (1998) 2524; Angew. Chem. Int. Ed. Engl. 37 (1998) 2347.
18. Some examples for chelating Lewis acids, more derivatives are cited in the following references: (a) M.R. Ort, E.H. Mottus, J. Organomet. Chem. 50 (1973) 47. (b) H. Martin, H. Bretinger, Z. Naturforsch. B: Chem. Sci. 46 (1991) 615. (c) W. Uhl, M. Layh, J. Organomet. Chem. 415 (1991) 181. (d) F.A.R. Kaul, M. Tschinkl, F.P. Gabbai, ibid. 539 (1997) 187. (e) M.A. Khan, C. Peppe, D.G. Tuck, Organometallics 5 (1986) 525. (f) F.P. Gabbai, A. Schier, J. Riede, Chem. Commun. (1996) 1121. (g) F.P. Gabbai, A. Schier, J. Riede, D. Schichl, Organometallics 15 (1996) 4119. (h) M. Tschinkl, A. Schier, J. Riede, E. Schmidt, F.P. Gabbai, ibid. 16 (1997) 4759. (i) F.P. Gabbai, A. Schier, J. Riede, A. Sladek, H.W. Görlitzer, Inorg. Chem. 36 (1997) 5694. (j) M. Tschinkl, A. Schier, J. Riede, F.P. Gabbai, ibid. 36 (1997) 5706. (k) O. Saied, M. Simard, J.D. Wuest, Organometallics 17 (1998) 1128. (l) E.C. Ashby, R.S. Smith, J. Organomet. Chem. 225 (1982) 71. A dialuminium compound has been used in catalytic processes: (m) T. Ooi, M. Takahashi, K. Maruoka, J. Am. Chem. Soc. 118 (1996) 11307. (n) T. Ooi, E. Tayama, T. Takahashi, K. Maruoka, Tetrahedron Lett. 38 (1997) 7403. (o) T. Ooi, T. Miura, K. Maruoka, Angew. Chem. 110 (1998) 2524; Angew. Chem. Int. Ed. Engl. 37 (1998) 2347.
19. Some examples for chelating Lewis acids, more derivatives are cited in the following references: (a) M.R. Ort, E.H. Mottus, J. Organomet. Chem. 50 (1973) 47. (b) H. Martin, H. Bretinger, Z. Naturforsch. B: Chem. Sci. 46 (1991) 615. (c) W. Uhl, M. Layh, J. Organomet. Chem. 415 (1991) 181. (d) F.A.R. Kaul, M. Tschinkl, F.P. Gabbai, ibid. 539 (1997) 187. (e) M.A. Khan, C. Peppe, D.G. Tuck, Organometallics 5 (1986) 525. (f) F.P. Gabbai, A. Schier, J. Riede, Chem. Commun. (1996) 1121. (g) F.P. Gabbai, A. Schier, J. Riede, D. Schichl, Organometallics 15 (1996) 4119. (h) M. Tschinkl, A. Schier, J. Riede, E. Schmidt, F.P. Gabbai, ibid. 16 (1997) 4759. (i) F.P. Gabbai, A. Schier, J. Riede, A. Sladek, H.W. Görlitzer, Inorg. Chem. 36 (1997) 5694. (j) M. Tschinkl, A. Schier, J. Riede, F.P. Gabbai, ibid. 36 (1997) 5706. (k) O. Saied, M. Simard, J.D. Wuest, Organometallics 17 (1998) 1128. (l) E.C. Ashby, R.S. Smith, J. Organomet. Chem. 225 (1982) 71. A dialuminium compound has been used in catalytic processes: (m) T. Ooi, M. Takahashi, K. Maruoka, J. Am. Chem. Soc. 118 (1996) 11307. (n) T. Ooi, E. Tayama, T. Takahashi, K. Maruoka, Tetrahedron Lett. 38 (1997) 7403. (o) T. Ooi, T. Miura, K. Maruoka, Angew. Chem. 110 (1998) 2524; Angew. Chem. Int. Ed. Engl. 37 (1998) 2347.
20. Some examples for chelating Lewis acids, more derivatives are cited in the following references: (a) M.R. Ort, E.H. Mottus, J. Organomet. Chem. 50 (1973) 47. (b) H. Martin, H. Bretinger, Z. Naturforsch. B: Chem. Sci. 46 (1991) 615. (c) W. Uhl, M. Layh, J. Organomet. Chem. 415 (1991) 181. (d) F.A.R. Kaul, M. Tschinkl, F.P. Gabbai, ibid. 539 (1997) 187. (e) M.A. Khan, C. Peppe, D.G. Tuck, Organometallics 5 (1986) 525. (f) F.P. Gabbai, A. Schier, J. Riede, Chem. Commun. (1996) 1121. (g) F.P. Gabbai, A. Schier, J. Riede, D. Schichl, Organometallics 15 (1996) 4119. (h) M. Tschinkl, A. Schier, J. Riede, E. Schmidt, F.P. Gabbai, ibid. 16 (1997) 4759. (i) F.P. Gabbai, A. Schier, J. Riede, A. Sladek, H.W. Görlitzer, Inorg. Chem. 36 (1997) 5694. (j) M. Tschinkl, A. Schier, J. Riede, F.P. Gabbai, ibid. 36 (1997) 5706. (k) O. Saied, M. Simard, J.D. Wuest, Organometallics 17 (1998) 1128. (l) E.C. Ashby, R.S. Smith, J. Organomet. Chem. 225 (1982) 71. A dialuminium compound has been used in catalytic processes: (m) T. Ooi, M. Takahashi, K. Maruoka, J. Am. Chem. Soc. 118 (1996) 11307. (n) T. Ooi, E. Tayama, T. Takahashi, K. Maruoka, Tetrahedron Lett. 38 (1997) 7403. (o) T. Ooi, T. Miura, K. Maruoka, Angew. Chem. 110 (1998) 2524; Angew. Chem. Int. Ed. Engl. 37 (1998) 2347.
21. Some examples for chelating Lewis acids, more derivatives are cited in the following references: (a) M.R. Ort, E.H. Mottus, J. Organomet. Chem. 50 (1973) 47. (b) H. Martin, H. Bretinger, Z. Naturforsch. B: Chem. Sci. 46 (1991) 615. (c) W. Uhl, M. Layh, J. Organomet. Chem. 415 (1991) 181. (d) F.A.R. Kaul, M. Tschinkl, F.P. Gabbai, ibid. 539 (1997) 187. (e) M.A. Khan, C. Peppe, D.G. Tuck, Organometallics 5 (1986) 525. (f) F.P. Gabbai, A. Schier, J. Riede, Chem. Commun. (1996) 1121. (g) F.P. Gabbai, A. Schier, J. Riede, D. Schichl, Organometallics 15 (1996) 4119. (h) M. Tschinkl, A. Schier, J. Riede, E. Schmidt, F.P. Gabbai, ibid. 16 (1997) 4759. (i) F.P. Gabbai, A. Schier, J. Riede, A. Sladek, H.W. Görlitzer, Inorg. Chem. 36 (1997) 5694. (j) M. Tschinkl, A. Schier, J. Riede, F.P. Gabbai, ibid. 36 (1997) 5706. (k) O. Saied, M. Simard, J.D. Wuest, Organometallics 17 (1998) 1128. (l) E.C. Ashby, R.S. Smith, J. Organomet. Chem. 225 (1982) 71. A dialuminium compound has been used in catalytic processes: (m) T. Ooi, M. Takahashi, K. Maruoka, J. Am. Chem. Soc. 118 (1996) 11307. (n) T. Ooi, E. Tayama, T. Takahashi, K. Maruoka, Tetrahedron Lett. 38 (1997) 7403. (o) T. Ooi, T. Miura, K. Maruoka, Angew. Chem. 110 (1998) 2524; Angew. Chem. Int. Ed. Engl. 37 (1998) 2347.
22. Some examples for chelating Lewis acids, more derivatives are cited in the following references: (a) M.R. Ort, E.H. Mottus, J. Organomet. Chem. 50 (1973) 47. (b) H. Martin, H. Bretinger, Z. Naturforsch. B: Chem. Sci. 46 (1991) 615. (c) W. Uhl, M. Layh, J. Organomet. Chem. 415 (1991) 181. (d) F.A.R. Kaul, M. Tschinkl, F.P. Gabbai, ibid. 539 (1997) 187. (e) M.A. Khan, C. Peppe, D.G. Tuck, Organometallics 5 (1986) 525. (f) F.P. Gabbai, A. Schier, J. Riede, Chem. Commun. (1996) 1121. (g) F.P. Gabbai, A. Schier, J. Riede, D. Schichl, Organometallics 15 (1996) 4119. (h) M. Tschinkl, A. Schier, J. Riede, E. Schmidt, F.P. Gabbai, ibid. 16 (1997) 4759. (i) F.P. Gabbai, A. Schier, J. Riede, A. Sladek, H.W. Görlitzer, Inorg. Chem. 36 (1997) 5694. (j) M. Tschinkl, A. Schier, J. Riede, F.P. Gabbai, ibid. 36 (1997) 5706. (k) O. Saied, M. Simard, J.D. Wuest, Organometallics 17 (1998) 1128. (l) E.C. Ashby, R.S. Smith, J. Organomet. Chem. 225 (1982) 71. A dialuminium compound has been used in catalytic processes: (m) T. Ooi, M. Takahashi, K. Maruoka, J. Am. Chem. Soc. 118 (1996) 11307. (n) T. Ooi, E. Tayama, T. Takahashi, K. Maruoka, Tetrahedron Lett. 38 (1997) 7403. (o) T. Ooi, T. Miura, K. Maruoka, Angew. Chem. 110 (1998) 2524; Angew. Chem. Int. Ed. Engl. 37 (1998) 2347.
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