The first bicyclo[1.1.0]butane dianion of heavier group 14 elements

Angewandte Chemie - International Edition

Volumn 43, Issue 48, 2004, Pages 6703-6705

  Lee, Vladimir Ya ^a   Takanashi, Kazunori ^a   Ichinohe, Masaaki ^a   Sekiguchi, Akira ^a  

^a UNIVERSITY OF TSUKUBA   (Japan)

Author keywords

Alkaline earth metals; Germanium; Heterobicyclobutanes; Silicon; Structure elucidation

Indexed keywords

ALKALINE EARTH METALS; CALCIUM; DERIVATIVES; NEGATIVE IONS; REACTION KINETICS;

BUTANE DIANION; CHARGED BICYCLO[1.1.0] BUTANE;

BUTANE;

ANION; BICYCLO[1.1]BUTANE; BUTANE; UNCLASSIFIED DRUG;

ANALYTIC METHOD; ARTICLE; CARBON NUCLEAR MAGNETIC RESONANCE; CHEMICAL ANALYSIS; CHEMICAL BOND; CHEMICAL COMPOSITION; CHEMICAL REACTION; DERIVATIZATION; HYBRIDIZATION; PROTON NUCLEAR MAGNETIC RESONANCE; REACTION ANALYSIS; X RAY CRYSTALLOGRAPHY;

EID: 10944271470     PISSN: 14337851     EISSN: None     Source Type: Journal    
DOI: 10.1002/anie.200461602     Document Type: Article

References (32)

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27. 0). All structures were solved by the direct method and refined by the full matrix Least-squares method using SHELXL-97 program. CCDC-246460 (2a), CCDC-246461 (2b), CCDC-246462 (2c) contain the supplementary crystallographic data for this paper. These data can be obtained free of charge via www.ccdc.cam.ac.uk/conts/ retrieving.html (or from the Cambridge Crystallographic Data Centre, 12 Union Road, Cambridge CB21EZ, UK; fax: (+44) 1223-336-033; or deposit@ccdc.cam.ac.uk).
28. V. Ya. Lee, M. Ichinohe, A. Sekiguchi, J. Am. Chem. Soc. 2002, 124, 9962.
29. The possibility of such isomeric interconversion incorporating the heavier Group 14 elements has been experimentally observed and discussed; see: a) V. Ya. Lee, M. Ichinohe, A. Sekiguchi, J. Am. Chem. Soc. 2000, 122, 12604;
30. b) see Ref. [9];
31. Recently this topic was also studied theoretically; see: c) I. Özkan, A. Kinal, M. Balci, J. Phys. Chem. A 2004, 108, 507.
32. All theoretical calculations were performed at the B3LYP/6-31(d) level with the GAUSSIAN-98 program package.