| abstract |
Alkanes of formula : where R1 = a phenyl gp. (possibly Me or Et substd.) tetrahydronaphthyl or acenaphthyl; R2 = H, Ph or Me; R3 = H or Me; X1 and X2 = H, formyl or hydroxymethylene which can be esterified with 1-5C fatty acids; X1 and X2 cannot both = H; n = 0, 1 or 2. The cpds. are used as perfumes esp. the acetates, propionates or isobutyrates. They may be prepd. by hydroformylation of substd. alkanes followed by hydrogenation and possibly esterification. |