Title:  Leucoglycodrin 
CAS Registry Number:  13190-88-0 
CAS Name:  8-(1,2-Dihydroxyethyl)-4-[4-(D-glucopyranosyloxy)phenyl]-9-hydroxy-1,7-dioxaspiro[4.4]nonane-2,6-dione 
Molecular Formula:  C21H26O13 
Molecular Weight:  486.42 
Percent Composition:  C 51.85%, H 5.39%, O 42.76% 
Literature References:  From leaves of Leucadendron concinnum R. Br., Proteaceae:  Merck, E. Merck's Jahresber. 1895, 3.  Structure:  Murray, Bradshaw, Tetrahedron Lett. 1966, 3773. 
  
Derivative Type:  Hemihydrate  
Molecular Formula:  C21H26O13.½H2O 
Molecular Weight:  495.43 
Percent Composition:  C 50.91%, H 5.49%, O 43.60% 
Properties:  Amorphous solid, mp 220-222°.  uv max:  201, 226, 276, 280-284 nm (e 19880, 9240, 2100, 1960-1820). 
Melting point:  mp 220-222° 
Absorption maximum:  uv max:  201, 226, 276, 280-284 nm (e 19880, 9240, 2100, 1960-1820) 
  
  
Status:  This monograph has been retired and is no longer subject to revision or update.   |