Title: Skimmin
CAS Registry Number: 93-39-0
CAS Name: 7-(b-D-Glucopyranosyloxy)-2H-1-benzopyran-2-one
Additional Names: 7-(glucosyloxy)coumarin; 7-hydroxycoumarin-7-glucoside; umbelliferone glucoside
Molecular Formula: C15H16O8
Molecular Weight: 324.28
Percent Composition: C 55.56%, H 4.97%, O 39.47%
Literature References: In bark and wood of Skimmia japonica Thunb., Rutaceae. Isoln, structure and synthesis: Späth, Neufeld, Rec. Trav. Chim. 57, 535 (1938).
Properties: Crystals with one H2O from water. After drying at 100° and 10 mm: mp 219-221° (evac tube). [a]D18 -80° (c = 10 in pyridine). uv max (ethanol): 320 nm. Moderately sol in hot water, alcohol; practically insol in ether, chloroform.
Melting point: mp 219-221° (evac tube)
Optical Rotation: [a]D18 -80° (c = 10 in pyridine)
Absorption maximum: uv max (ethanol): 320 nm |