Perfume compositions – Perfume compositions – Ring containing active ingredient
Patent
1986-05-16
1990-06-12
Reamer, James H.
Perfume compositions
Perfume compositions
Ring containing active ingredient
512 27, A61K 746
Patent
active
049333208
ABSTRACT:
Described is an isomer-directed process for producing asymmetric ketones defined according to the generic structure: ##STR1## wherein one of Z.sub.1 or Z.sub.2 is the moiety: ##STR2## and the other of Z.sub.1 or Z.sub.2 is hydrogen; wherein R.sub.11 and R.sub.21 represent hydrogen or the same or different alkyl or alkenyl with the proviso that R.sub.11 and R.sub.21 are not both hydrogen or wherein R.sub.11 and R.sub.21 taken together:
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Belko Robert P.
Licciardello Michael
Schreiber William L.
Sprecker Mark A.
International Flavors & Fragrances Inc.
Liberman Arthur L.
Reamer James H.
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