Title: b-Santalol
CAS Registry Number: 77-42-9
CAS Name: [1S-[1a,2a(Z),4a]]-2-Methyl-5-(2-methyl-3-methylenebicyclo[2.2.1]hept-2-yl)-2-penten-1-ol
Additional Names: 2-methyl-5-(2-methyl-3-methylene-2-norbornyl)-2-penten-1-ol
Molecular Formula: C15H24O
Molecular Weight: 220.35
Percent Composition: C 81.76%, H 10.98%, O 7.26%
Literature References: A sesquiterpene alcohol from sandalwood oil. Isoln and purification and additional refs: see a-santalol. Structure: L. Ruzicka, G. Thomann, Helv. Chim. Acta 18, 355 (1935). Synthesis: S. C. Bhattacharyya, Sci. Cult. 13, 209 (1957), C.A. 43, 5385a (1949); H. C. Kretschmar, W. F. Erman, US 3662008, US 3679756 (1972 to Procter & Gamble). Natural b-santalol has a cis-(-)-configuration. Total synthesis: eidem, Tetrahedron Lett. 1970, 41. Synthesis of dl-form: P. A. Christenson, B. J. Willis, J. Org. Chem. 44, 2012 (1979); M. Baumann, W. H. Hoffman, Ann. 1979, 743; K. Sato et al., Chem. Lett. 1981, 1183.
Properties: Liquid. bp17 177-178°. d2525 0.9717. nD25 1.5100. a5461 -87.1°. Sol in alcohol; practically insol in water.
Boiling point: bp17 177-178°
Optical Rotation: a5461 -87.1°
Index of refraction: nD25 1.5100
Density: d2525 0.9717
Derivative Type: dl-Form
Properties: bp0.1 101-103°.
Boiling point: bp0.1 101-103°
Use: In perfumes, soaps and detergents. |