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    STUDIA CHEMIA - Issue no. 1 / 2006  
         
  Article:   SYNTHESIS AND STRUCTURAL ANALYSIS OF SOME NEW PRECURSORS OF MACROCYCLIC CYCLOPHANES: 1,4-BIS (2-R-5,5-DIMETHYL-1,3-DIOXAN-2-YL) BENZENE.

Authors:  ION GROSU, LUMINIŢA DAVID, ANAMARIA TEREC, ELENA BOGDAN, ANDREI ŞERBAN GÂZ, FLAVIA POP, NICULINA BOGDAN. 		 
       
         
  Abstract:  The synthesis and the stereochemistry of some new 1,3-dioxane derivatives of 1,4-diacetylbenzene are reported. The structural analysis carried out using NMR investigations revealed the anancomeric structure of the compounds. The favorable arrangement of the different functions for the participation to the macrocyclisation is insured by the axial orthogonal dispositions of the aromatic group with respect to both 1,3-dioxane rings.  
         
     
         
         
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