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'unsubstituted': [46], 'imidazole.': [47], 'cyclization': [49, 127], '8RS': [53], 'using': [54], "N,N,N',N'-tetramethylazodicarboxamide": [55], 'Bu(3)P': [57], 'exclusively': [58], 'benzylated': [60], 'beta-ribofuranosyl': [61], '9beta': [63, 79, 92], 'in': [64, 71, 108, 142, 153, 165, 180, 188], '92%': [65], 'yield,': [66], 'accompanied': [67], 'by': [68, 82, 173], 'alpha-anomer': [69], '9alpha,': [70], 'ratio': [73, 144], '26.3:1.': [75], 'The': [76, 147], 'configuration': [77], 'established': [81], 'X-ray': [83], 'crystallography': [84], 'ethoxycarbonyl': [86], 'derivative': [87], '10beta.': [88], 'Reductive': [89], 'debenzylation': [90], 'over': [93], 'Pd/C': [94], 'carried': [96], 'out,': [97], 'synthesis': [100, 122, 148], '1': [102], 'attained': [104, 152], 'four': [109], 'steps': [110], '87%': [112], 'overall': [113, 156], 'yield.': [114], 'This': [115], 'methodology': [117], 'extended': [119], '4(5)-(2-deoxy-beta-D-ribofuranosyl)imidazole': [124], '(2).': [125], '14RS': [137], 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