1856. Carotol

Nomenclature

CAS number: 465-28-1
[3R-(3α,3aα,8aα)]-2,3,4,5,8,8a-Hexahydro-6,8a-dimethyl-3-(1-methylethyl)-3a(1H)-azulenol; 2,3,4,5,8,8a-hexahydro-3-isopropyl-6,8a-dimethyl-3a(1H)-azulenol.
C15H26O; mol wt 222.37.
C 81.02%, H 11.79%, O 7.19%.

Description and references

From oil of carrot seeds, Daucus carota L., Umbelliferae: Asahina, Tsukamoto, J. Pharm. Soc. Jpn. 525, 961 (1925), C.A. 20, 2845 (1926); Sorm et al., Collect. Czech. Chem. Commun. 16, 47 (1951); Pigulevskii, Kovaleva, Zh. Prikl. Khim. 32, 2703 (1959). Structure: Sykora et al., Collect. Czech. Chem. Commun. 26, 788 (1961); Zalkow et al., J. Org. Chem. 26, 981 (1961). Stereochemistry: Levisalles, Rudler, Bull. Soc. Chim. Fr. 1964, 2020; 1967, 2059. Synthesis of (+)-form: DeBroissia et al., ibid. 1972, 4314; eidem, Chem. Commun. 1972, 855.

Chemical structure

Properties

Liquid. bp2.5 126°. [α]D20 +30.4°. nD20 1.4964. d20 0.9624.