| 摘要 |
The present invention relates to a mixture of the 4 diastereomers 1'S,2R,3S; 1'S,2S,3R; 1'S,2S,3S and 1'S,2R,3R of (E)-3-methyl-5-(2,2,3-trimethylcyclopent-3-en-1-yl)pent-4-en-2-ol, a mixture of the 4 diastereomers 1'R,2S,3R; 1'R,2R,3S; 1'R,2R,3R and 1'R,2S,3S of (E)-3-methyl-5-(2,2,3-trimethylcyclopent-3-en-1-yl)pent-4-en-2-ol and to (1'S,2S,3R)-(E)-3-methyl-5-(2,2,3-trimethylcyclopent-3-en-1-yl)pent-4- en-2-ol, (1'R,2S,3R)-(E)-3-methyl-5-(2,2,3-trimethylcyclopent-3-en-1-yl)pent-4- en-2-ol and to a process for the manufacture of these compounds or mixtures. Further, the invention is related to any isomer mixture of (E)-3-methyl-5-(2,2,3-trimethylcyclopent-3-en-1-yl)pent-4-en-2-ol enriched in one or both of the compounds or mixtures, especially to an odorant composition containing any isomer mixture of (E)-3-methyl-5-(2,2,3-trimethylcyclopent-3-en-1-yl)pent-4-en-2-ol enriched in one or both of the above compounds or mixtures, and to the use of any one of the compounds or mixtures as odorants. |
