Title: Anabsinthin
CAS Registry Number: 6903-12-4
CAS Name: (3S,3aS,6S,6aR,6bS,7R,7aR,8S,10aS,11S,13aS,13bS,13cR,14bS,15S)-3,3a,4,5,6,6a,6b,7,7a,8,9,10,10a,13a,13c,14b-Hexadecahydro-6-hydroxy-3,6,8,11,14,15-hexamethyl-2H-8,15-epoxy-7,13b-ethanopentaleno[1¢¢,2¢¢:6,7;5¢¢,4¢¢:6¢,7¢]dicyclohepta[1,2-b:1¢,2¢-b¢]difuran-2,12(11H)-dione
Additional Names: anabsynthin
Molecular Formula: C30H40O6
Molecular Weight: 496.64
Percent Composition: C 72.55%, H 8.12%, O 19.33%
Literature References: A bitter principle isolated from Artemisia absinthium L., Compositae (wormwood). Isoln: F. Sorm et al., Chem. Ind. (London) 1955, 569; V. Herout et al., Collect. Czech. Chem. Commun. 21, 1485 (1956). Structure: L. Novotny et al., Chem. Ind. (London) 1958, 465; V. Herout et al., Collect. Czech. Chem. Commun. 25, 1492 (1960); J. Beauhaire et al., Tetrahedron Lett. 21, 3191 (1980).
Derivative Type: Anhydrous Form
Properties: Crystals from benzene or isopropanol + diisopropyl ether, or by drying over phosphorus pentoxide in vacuo, mp 267°. [a]D20 +113° (c = 1.85 in chloroform).
Melting point: mp 267°
Optical Rotation: [a]D20 +113° (c = 1.85 in chloroform)
Derivative Type: Monohydrate
Properties: Crystals from methanol, mp 210°.
Melting point: mp 210°
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