Li+- and Ag+-cationized per-O-acetyl- and Per-O-benzyl-α-D-thioglycosides: a collision-induced decomposition study†
作者： K. P. Madhusudanan , T. S. Dhami , S. Katiyar , S. N. Suryawanshi
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摘要: The collision-induced decompositions of the [M + Li]+ and Ag]+ ions per-O-acetyl- per-O-benzyl-α-D-thioglycosides having phenyl sulphide, sulphoxide sulphone as aglycone moieties were studied. ion acetyl derivative phenylthioglucoside shows loss AcOLi, whereas its elimination PhSAg. Their derivatives lose C(1) C(2) substituents to form glucal under both Li+ Ag+ cationization conditions. corresponding benzyl do not show metal. formation leads ring fragmentation by retro-Diels-Alder reaction in ring-activated derivatives.
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