NEW SYNTHESES OF CARBOCYCLES FROM CARBOHYDRATES. CYCLIZATION OF RADICALS DERIVED FROM UNSATURATED HALO SUGARS

Cyclisation de bromo-7 O-isopropylidene-4,5 tridesoxy-2,3,7 heptene-2onate d'ethyle en hydroxy-6 dimethyl-2,2 perhydro cyclopenta [d] dioxole-1,3acetate-4 d'ethyle