Title: Chrysanthenone
CAS Registry Number: 473-06-3
CAS Name: 2,7,7-Trimethylbicyclo[3.1.1]heptan-6-one
Additional Names: 2-pinen-7-one
Molecular Formula: C10H14O
Molecular Weight: 150.22
Percent Composition: C 79.95%, H 9.39%, O 10.65%
Literature References: A constituent of the essential oil of Chrysanthemum indicium L., also extracted from C. sinense Sabin, Compositae. Prepared by photochemical rearrangement of l- or d-verbenone, q.v.: Hurst, Whitham, J. Chem. Soc. 1960, 2864; Erman, J. Am. Chem. Soc. 89, 3828 (1967); Schuster, Widman, Tetrahedron Lett. 1971, 3571. Structure: Kotake, Nonaka, Ann. 607, 153 (1957); Blanchard, Chem. Ind. (London) 1958, 293. Chemistry: Erman, J. Am. Chem. Soc. 91, 779 (1969).
Derivative Type: d-Form
Properties: Herbaceous odor. bp12 88-89°. nD22 1.4720. [a]D +37° (c = 2.1 in chloroform). uv max: 290 nm (e 120). Insoluble in water; sol in alcohol.
Boiling point: bp12 88-89°
Optical Rotation: [a]D +37° (c = 2.1 in chloroform)
Index of refraction: nD22 1.4720
Absorption maximum: uv max: 290 nm (e 120)
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