C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
167/321, 260/646
C07C 49/21 (2006.01) C07C 43/303 (2006.01) C07C 45/00 (2006.01) C07C 45/51 (2006.01) C07D 317/12 (2006.01) C11B 9/00 (2006.01) C11D 3/50 (2006.01) D06M 13/13 (2006.01)
Patent
CA 2038988
-2- ABSTRACT OF THE DISCLOSURE Described are 2,2,3-trimethylcyclopentenyl acetone derivatives defined according to one or a mixture of compounds having the structures: Image and Image , -3- organoleptic uses thereof, processes for preparing same using as a starting material the compound having the structure: Image which is reacted to form the compound having the structure: Image which is further reacted to form the novel intermediate: Image -4- which is then converted to the 2,2,3-trimethylcyclopentenyl acetone derivatives of our invention using the allylic alcohol having the structure: Image wherein R3, R4, and R5 are the same or different hydrogen or methyl; R6 represents hydrogen, methyl, ethyl, or propyl or isopropyl; x is 0, 1 or 2; R7 is methyl or ethyl; R7' and R7" represent methyl or ethyl or R7', (CH2)x and R7" taken together represents C2-C6 alkylene; M represents Li, Mg, X or MgX; and X represents chloro or bromo.
Beck Charles E.j.
Boardwick Kathleen E.
de Virgilio John J.
Hanna Marie R.
Kuczinski Vincent F.
Beck Charles E.j.
Boardwick Kathleen E.
de Virgilio John J.
Gowling Lafleur Henderson Llp
Hanna Marie R.
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