4577. l-Gulonic Acid

Nomenclature

CAS number: 526-97-6
Xylosecarboxylic acid.
C6H12O7; mol wt 196.16.
C 36.74%, H 6.17%, O 57.09%.

Description and references

Prepd from l-xylose and HCN followed by hydrolysis of the nitrile: Fischer, Stahel, Ber. 24, 529 (1891). Prepn from d-glucuronic acid: DE 618907 (1935 to Hoffmann-La Roche); from l-gulonolactone: Ishidate et al., Chem. Pharm. Bull. 13, 173 (1965).

Chemical structure

Properties

Crystallizes as the lactone on evapn of an aq soln.

Derivative

Sodium salt.

Properties

[α]D20 +12.7° (c = 9). Freely sol in water.