Perfume compositions – Perfume compositions – Ring containing active ingredient
Patent
1989-11-14
1991-02-05
Reamer, James H.
Perfume compositions
Perfume compositions
Ring containing active ingredient
25217411, 512 12, A61K 746
Patent
active
049904957
ABSTRACT:
Oxygen containing macrocyclic compounds of formula ##STR1## wherein (a) the dotted lines indicate the location of an endocyclic single or double bond in positions 4 and 8 of the ring and of an exocyclic carbon-oxygen single bond in position 1, the wavy lines define a C--C bond of E or Z configuration when the bond in positions 4 and 8 is a double bond, and the symbols Z.sup.1 and Z.sup.2, taken together, define a cyclic acetal or ketal group represented by the formula ##STR2## wherein the symbols R.sup.1 and R.sup.2, identical or different, represent each an alkyl radical, linear or branched, containing from 1 to 6 carbon atoms, or one of said symbols represents a hydrogen atom and the other an alkyl radical defined as above;
or wherein
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Giersch Wolfgang K.
Schulte-Elte Karl-Heinrich
Firmenich S.A.
Reamer James H.
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