| abstract |
Described are 2,2,3-trimethylcyclopentenyl acetone derivatives defined according to one or a mixture of compounds having the structures: ##STR1## organoleptic uses thereof, processes for preparing same using as a starting material the compound having the structure: ##STR2## which is reacted to form the compound having the structure: ##STR3## which is further reacted to form the novel intermediate: ##STR4## which is then converted to the 2,2,3-trimethylcyclopentenyl acetone derivatives or our invention using the allylic alcohol having the structure: ##STR5## wherein R 3 , R 4 , and R 5 are the same or different hydrogen or methyl; R 6 represents hydrogen, methyl, ethyl, or propyl or isopropyl; x is 0, 1 or 2; R 7 is methyl or ethyl; R 7 ' and R 7 " represent methyl or ethyl or R 7 ', (CH 2 ) x and R 7 " taken together represents C 2 -C 6 alkylene; M represents Li, Mg, X or MgX; and X represents chloro or bromo. |