Ring Cleavage of 5,6-Anhydro-isopropylidene-n-glucofuranose

Hydrogen sulfide, + Ba(0H)i Halogen acid + pyridine + AcjO Carboxylic acid, (RCOOH) Phthalimide Ammonia Aliphatic amines, RNHj, RjNH Aromatic primary amines, PhNHj, etc, Diphenylamine, PhjNH Sodium alkoxide, NaOR tt-Amino acid esters, R(NHj) COOEt Phenols (PhOH, etc.) —SH —Cl, —Br, —I RCOO— C,H (C0),N— —NHj RNH—, R,N— PhNH—, etc. PhsN— —-OR —NHRCOOEt —OPh, etc. 86 86 86 87 7 88 89 90 7, 91 92 93 

Tables of Properties of Anhydro Sugars and Their 

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