C nucleosides II. Preparation of 2-β-d-ribofuranosylbenzothiazole, 5-β-D-ribofuranosyltetrazole,and 5-β-glycosyl-1,3,4-oxadiazole derivatives |
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Authors: | I. Farkas I. F. Szabo R. Bognar L. Sziladi |
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Affiliation: | (1) Department of Organic Chemistry, Lajos Kossuth University, Hungary;(2) Group for Research on the Chemistry of Antibiotics, Hungarian Academy of Sciences, N-4010 Debrecen |
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Abstract: | The conversion of 5--D-ribofuranosyl cyanides to the corresponding 2--ribofuranosylbenzothiazoles (under the influence of 2-aminothiophenol) and to 5--glycosyltetrazoles (by reaction with sodium azide and ammonium chloride) is described. It is shown that acylation of the latter structures with acetic anhydride or benzoyl chloride is a convenient method for the synthesis of 5--glycosyl-1,3,4-oxadiazoles.See [1] for communication I.Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 7, pp. 893–896, July, 1978. |
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