5169. Iso E Super (Int. Flavors & Fragrances)
Nomenclature
CAS number: 54464-57-2 (unspecified stereo);
59056-94-9
(trans-form)
1-(1,2,3,4,5,6,7,8-Octahydro-2,3,8,8-tetramethyl-2-naphthalenyl)ethanone. C16H26O; mol wt 234.38.
C 81.99%, H 11.18%, O 6.83%.
Description and references
Synthetic woody odorant. Prepn: J. B. Hall, J. M. Sanders, DE 2408689; eidem, US 3911018 (1974, 1975 both to Int. Flavor Fragrance). Patch testing for contact allergies: P. J. Frosch et al., Contact Dermatitis 33, 333 (1995). Adherence and duration to fabric: S. Widder, Dragoco Rep. 1999, 69. Isoln of major odor producing "impurity": C. Nussbaumer et al., Helv. Chim. Acta 82, 1016 (1999). Brief description: M. Gras, Perfum. Flavor. 17, 2-12 (1992). Review of synthesis and use: G. Fráter et al., Tetrahedron 54, 7633-7703 (1998).
