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Abstrakty
Conformational preferences of dinitrile derivatives of (R,R)-tartaric acid were studied by means of NMR, CD and X-ray diffraction techniques. Where as other derivatives of (R,R)-tartaric acid exist predom i nantly in an extended (T) or bent (G–) conformation, (R,R)-tartarodinitriles show pronounced tendency to ward bent G+ conformation. This is rationalized by the presence of the “gauche effect” in volving maximum number of stabilizing in teractions between the polar groups within the tartarodinitrile molecule.
Wydawca
Czasopismo
Rocznik
Tom
Strony
1917--1925
Opis fizyczny
Bibliogr. 29 poz., rys.
Twórcy
autor
autor
autor
autor
autor
- Department of Chemistry, A. Mickiewicz University, Grunwaldzka 6, 60-780 Poznań, Poland, gawronsk@amu.edu.pl
Bibliografia
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- 22. Gawroński J. and Gawrońska K., Tartaric and Malic Acids in Synthesis - A Source Book of Building Blocks, Ligands, Auxiliaries, and Resolving Agents, J. Wiley and Sons, New York (1999).
- 23. Larock R.C., Comprehensive Organic Transformations: A Guide to Functional Group Preparations, J. Wiley/VCH, New York (1999).
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Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BUJ5-0017-0025