Title: Scabiolide
CAS Registry Number: 20055-57-6
CAS Name: 2,3-Dihydroxy-2-methylpropanoic acid 6-[(acetyloxy)methyl]-2,3,3a,4,7,8,11,11a-octahydro-10-methyl-3-methylene-2-oxocyclodeca[b]furan-4-yl ester
Molecular Formula: C21H28O8
Molecular Weight: 408.44
Percent Composition: C 61.75%, H 6.91%, O 31.34%
Literature References: A sesquiterpenic lactone, the bitter principle of Centaurea scabiosa (L.) Presl., Compositae. Isolation: Suchy et al., Collect. Czech. Chem. Commun. 27, 1905 (1962). Structure: eidem, ibid. 27, 2398 (1962). Revised structure: eidem, ibid. 30, 3473 (1965). Further structural revisions: eidem, ibid. 33, 2238 (1968).
Properties: Crystals, mp 120°. [a]D20 +101.0° (c = 3.67 in chloroform). Slightly sol in ether, diisopropyl ether, acetone; practically insol in petr ether.
Melting point: mp 120°
Optical Rotation: [a]D20 +101.0° (c = 3.67 in chloroform)
Status: This monograph has been retired and is no longer subject to revision or update.

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