7201. β-Phellandrene
Nomenclature
CAS number: 555-10-2
3-Methylene-6-(1-methylethyl)cyclohexene; p-mentha-1(7),2-diene; 3-isopropyl-6-methylene-1-cyclohexene; 4-isopropyl-1-methylene-2-cyclohexene. C10H16; mol wt 136.23.
C 88.16%, H 11.84%.
Description and references
Isoln of d-form from oil of water fennel (Phellandrium aquaticum L., Umbelliferae): Berry et al., J. Chem. Soc. 1937, 1448. Isoln of l-form from Canada balsam oil: Macbeth et al., ibid. 1938, 119. Structure: Wallach, Ann. 343, 28 (1905). Synthesis of dl-form: Deorha, Sareen, Rec. Trav. Chim. 82, 137 (1965); B. Singaram, J. Verghese, Indian J. Chem. 14B, 1003 (1976).
Derivative
d-Form.Nomenclature
CAS number: 6153-16-8
Properties
Mobile oil. bp760 171-172°; bp11 57°. d420 0.8520. nD20 1.4788. [α]D20 +65.2°. Practically insol in water; sol in ether.Derivative
l-Form.Nomenclature
CAS number: 6153-17-9