Cyclitols. Part XXIII. Suppression of epoxide migration. Synthesis of mucoinositol

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Abstract
A strong-base ion-exchange resin converts 1-O-toluene-p-sulphonylmyoinositol into 1,2-anhydro-(±)-inositol but, unlike sodium hydroxide, does not cause subsequent epoxide migration. Acid hydrolysis of the anhydro-compound gives mainly mucoinositol. The configurations of “bromoscylloquercitol” and “bromoviboquercitol” have been established.