Reaction of hypercoordinate dichlorosilanes bearing 8- (dimethylamino)-1-naphthyl group(s) with magnesium: Formation of the 1,2-disilaacenaphthene skeleton

Angewandte Chemie - International Edition

Volumn 38, Issue 22, 1999, Pages 3316-3318

  Tamao, Kohei ^a   Asahara, Masahiro ^a   Saeki, Tomoyuki ^a   Toshimitsu, Akio ^a  

^a KYOTO UNIVERSITY   (Japan)

Author keywords

Heterocycles; Hypervalent compounds; Magnesium; Rearrangements; Silicon

Indexed keywords

MAGNESIUM; SILANE DERIVATIVE;

ARTICLE; CRYSTAL STRUCTURE; CYCLIZATION; REACTION ANALYSIS; SYNTHESIS; X RAY CRYSTALLOGRAPHY;

EID: 0033571253     PISSN: 14337851     EISSN: None     Source Type: Journal    
DOI: 10.1002/(SICI)1521-3773(19991115)38:22<3316::AID-ANIE3316>3.0.CO;2-9     Document Type: Article

References (25)

1. K. Tamao, M. Asahara, T. Saeki, A. Toshimitsu, Chem. Lett. 1999, 335-336.
2. [3] However, we prefer to refer to them as "pentacoordinate" and "hexacoordinate" for the sake of simplicity.
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5. 3.
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16. b) The Si ⋯ N distance in 5a is 2.969(3) Å and that in 5b is 2.852(2) Å: K. Tamao, K. Nagata, M. Asahara, A. Kawachi, Y. Ito, M. Shiro, J. Am. Chem. Soc. 1995, 117, 11592-11593; K. Tamao, M. Asahara, A. Kawachi, A. Toshimitsu, unpublished results.
17. b) The Si ⋯ N distance in 5a is 2.969(3) Å and that in 5b is 2.852(2) Å: K. Tamao, K. Nagata, M. Asahara, A. Kawachi, Y. Ito, M. Shiro, J. Am. Chem. Soc. 1995, 117, 11592-11593; K. Tamao, M. Asahara, A. Kawachi, A. Toshimitsu, unpublished results.
18. (equation presented)
19. For the numbering of naphthyl carbon atoms used to denote the dihedral angles, see formula 6.
20. [10] of 19.3 and 8.1°.
21. [14] of the signals relative to the dihalide 7 (δ = -23.22) and the unsymmetrical structure of the precursor of 11. Similar species may also be involved in the reactions of 1 and 3 with magnesium as well.
22. (equation presented)
23. K. Tamao, A. Kawachi, Angew. Chem. 1995, 107, 886-888; Angew. Chem. Int. Ed. Engl. 1995, 34, 818-820.
24. K. Tamao, A. Kawachi, Angew. Chem. 1995, 107, 886-888; Angew. Chem. Int. Ed. Engl. 1995, 34, 818-820.
25. 29Si chemical shifts (δ = 49-155): R. Okazaki, R. West in Advances in Organometallic Chemistry, Vol. 39 (Eds.: F. G. A. Stone, R. West), Academic Press, San Diego, 1996, pp. 231-273.