Show that the Ruff degradation of either D-allose or D-altrose results in the formation of the same product, D-ribose.

Ruff degradation of D-Allose and D-Altrose yielding D-Ribose with reagents.

Oxidation of D-Allose and D-Altrose with Br2 and H2O producing D-Ribose.

Oxidation of D-Allose and D-Altrose with Br2 and H2O yielding D-Ribose.

Ruff degradation of D-Allose and D-Altrose with KCN and Pd/BaSO4 producing D-Ribose.