Title: Hygrophylline
CAS Registry Number: 3573-82-8
CAS Name: (1a,14a)-1,2-Dihydro-12,14-dihydroxysenecionan-11,16-dione
Molecular Formula: C18H27NO6
Molecular Weight: 353.41
Percent Composition: C 61.17%, H 7.70%, N 3.96%, O 27.16%
Literature References: Pyrrolizidine alkaloid isolated from Senecio hygrophyllus Dyer and Sm., Compositae: Richardson, Warren, J. Chem. Soc. 1943, 452. Structure and stereochemistry: Schlosser, Warren, ibid. 1965, 5707. NMR spectrum: S. E. Drewes et al., J. Chem. Soc. Perkin Trans. 1 1981, 287. X-ray crystallography: M. F. Mackay et al., Acta Crystallogr. C41, 395 (1985).
Properties: Prisms from acetone, mp 173-174°. [a]D20 -67.3° (c = 2.9 in ethanol).
Melting point: mp 173-174°
Optical Rotation: [a]D20 -67.3° (c = 2.9 in ethanol) |