13-05473. Leucoglycodrin [Archived]

Nomenclature

CAS number: 13190-88-0
8-(1,2-Dihydroxyethyl)-4-[4-(d-glucopyranosyloxy)phenyl]-9-hydroxy-1,7-dioxaspiro[4.4]nonane-2,6-dione.
C21H26O13; mol wt 486.42.
C 51.85%, H 5.39%, O 42.76%.

Description and references

From leaves of Leucadendron concinnum R. Br., Proteaceae: Merck, E. Merck's Jahresber. 1895, 3. Structure: Murray, Bradshaw, Tetrahedron Lett. 1966, 3773.

Chemical structure

Derivative

Hemihydrate.
C21H26O13.H2O; mol wt 495.43.
C 50.91%, H 5.49%, O 43.60%.

Properties

Amorphous solid, mp 220-222°. uv max: 201, 226, 276, 280-284 nm (ε 19880, 9240, 2100, 1960-1820).

Status

This monograph has been retired and is no longer subject to revision or update.