Abstract

The reaction of methyl 5-deoxy-2,3-O-isopropylidene-beta-DL-ribo-hexodialdo-1,4-furanoside with the enolate of 5-deoxy-2-O-mesyl-3-O-methoxymethyl-beta-DL-arabino-hexo-furanurono-6,1- lactone gave a branched dodecose derivative which was converted into 6,10-anhydro-5-deoxy-DL-lyxo-LD-talo-7-undeculofuranuronic acid derivatives.

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