4453. α-Glucogallin

Nomenclature

CAS number: 53318-36-8
α-d-Glucopyranose 1-(3,4,5-trihydroxybenzoate); α-d-glucopyranose-1-gallate; 1-galloyl-α-d-glucose.
C13H16O10; mol wt 332.26.
C 46.99%, H 4.85%, O 48.15%.

Description and references

Synthesis: Schmidt, Herok, Ann. 587, 63 (1954); Schmidt, Schmadel, ibid. 649, 149 (1961).

Chemical structure

Properties

Crystals, dec 179-181°. [α]D20 +83° (c = 3 in methanol).

Derivative

Dihydrate.

Properties

Prisms from water, mp 171-173°. [α]D25 +79.1° (water). Freely sol in water, methanol, ethanol, dioxane, acetic acid. Sparingly soluble in ethyl acetate, ether and acetone.