- Analysis of the linkage positions in D-fructofuranosyl residues by the reductive-cleavage method.
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The suitability of the reductive-cleavage method for analysis of the linkage positions in D-fructofuranosyl residues of D-fructans was examined by using sucrose, chicory-root inulin, and Aerobacter levanicum levan as models. Permethylation, and reductive
- Rolf,Gray
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- THE CHEMICAL-TRANSFORMATION PRODUCTS OF 1,6-DIBROMO-1,6-DIDEOXYGALACTITOL AND 1,2:5,6-DIANHYDROGALACTITOL IN AQUEOUS SOLUTION
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After hydrolysis of 1,6-dibromo-1,6-dideoxygalactitol (1) and 1,2:5,6-dianhydrogalactitol (2), 11 compounds were isolated, three of them as tritylated derivatives.Their structures were established on the basis of chemical evidence and, for four compounds, by X-ray diffraction.The main product of the hydrolysis of 1 was 3,6-anhydro-1-bromo-1-deoxy-DL-galactitol; the end-products of the hydrolysis of 2 were 1,5-anhydro-DL-galactitol, 2,5-anhydro-DL-altriol and galactiotol.
- Vidra, Ildiko,Simon, Kalman,Institoris, Laszlo,Csoeregh, Ingeborg,Czugler, Matyas
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