A New Two-Step Stereospecific Synthesis of Glycidic Spiroacetals |
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| Authors: | Stanislas Czernecki Marie-Claude Perlat |
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| Institution: | Research Center for Eco-Environmental Sciences , Academia Sinica , P.O.Box 2871 , Beijing , 100085 , P. R. China |
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| Abstract: | ABSTRACT The spiroacetal moiety has received much attention in recent years owing to its occurence in several biologically important natural products.1 In that field, the antibiotics avermectins,2 milbemycins3 and papulacandins4 are of particular interest to us because a carbohydrate precursor could be employed for their syntheses.5-7 other glycidic spiroacetals were obtained by photocarbocyclization of 2-carbophenyl-β-D-glucopyranosides.8 |
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