Bicyclic primary alcohol found in carrot root oil; synthesized from β-pinene, q.v. Prepn: J. P. Bain, J. Am. Chem. Soc. 68, 638 (1946). Thermal isomerization: idem et al., ibid. 74, 4292 (1952). Isoln from carrot root oil: D. M. Alabran et al., J. Agric. Food Chem. 23, 229 (1975). Applications as a polymer substrate: J. V. Crivello, S. S. Liu, J. Polym. Sci. A 37, 1199 (1999). Improved syntheses: U. R. Pillai, E. Sahle-Demessie, Chem. Commun. 2004, 826; A. L. Villa de P et al., Catal. Today 107-108, 942 (2005).