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Identification of O-acetyl-O-trifluoroacetyl-1,6-anhydro-β -D-glucopyranoses by gas-chromatography and mass-spectrometry

V. Mihálov, Š. Kučár, and V. Kováčik

Institute of Chemistry, Centre for Chemical Research, Slovak Academy of Sciences, CS-84238 Bratislava

 

Abstract: Trifluoroacetyl derivatives of all theoretically possible isomers of O-acetyl-l,6-anhydro-β -D-glucopyranoses have been prepared and studied by electron-impact mass spectrometry as well as by combination with gas chromatography. On the basis of the knowledge obtained on fragmentation, from the intensities of three characteristic fragments, namely m/z = 81,131, and 194, a procedure for simple identification of the compounds of this type has been elaborated. The method is suitable for following hydrolyses of acetates of 1,6-anhydrohexopyranoses by means of gas chromatography and mass spectrome­try.

Full paper in Portable Document Format: 435a677.pdf

 

Chemical Papers 43 (5) 677–684 (1989)

Tuesday, May 11, 2021

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