| 3 | Structural Studies of 3-(1,2-O-Isopropylidene-α-D-xylosyl)-5-phenyl-1,2,4-oxadiazole显示文摘1、2-O-Isopropylidene-3-C-cyano-5-O-benzoyl-α-D-xylose 2 was preparedstereoselectively from 1,2-O-isopropylidene-3-oxo-5-O-benzoyl-α-D-xylose 1.The structure of 2was studied by two-dimensional NMR spectroscopy in conjunction with X-ray crystallography of itscorresponding 5-phenyl-1,2,4-oxadiazole isocarbonucleoside derivative 3. The absoluteconfigurations of 2 and 3,and conformation of 3 are described herein. | Ming Long ZHANG Yu Xin CUI Ling Tai MA Li He Zhang Yang LU Bin ZHAO Qi Tai ZHENG (The National Laboratory of Natural and Biomimetic Drugs.School of Pharmaceutical Sciences, Beijing Medical University, Beijing, 100083) (Institute of Materia Me | 1999 | Chinese Chemical Letters1999，10，2： | 0 |
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