Importance

Loading Importance Indicators...

Abstract

Organosiloxane fragrance precursor compounds having at least one organosiloxane unit of the formula ##STR1## or a mixture thereof and if any other siloxane unit(s) in the said organosiloxanes being present this/these is/are of formula ##STR2## wherein R represents a substituted or unsubstituted C.sub.1-8 alkyl group or a substituted or unsubstituted aryl group; R' represents a hydrogen atom, a monovalent C.sub.1-8 hydrocarbon group or a monovalent C.sub.1-8 halogenated hydrocarbon group; R.sup.1 represents a hydrogen atom or a substituted or unsubstituted C.sub.1-8 alkyl group or a substituted or unsubstituted aryl group or a bond connecting CR.sup.1 and CR.sup.3 ; R.sup.3 represents a hydrogen atom or a substituted or unsubstituted C.sub.1-8 alkyl group or a substituted or unsubstituted aryl group; {character pullout} represents (CR.sup.4.sub.2).sub.n whereby R.sup.4 represents a substituted or unsubstituted C.sub.1-8 alkyl group or a substituted or unsubstituted aryl group or a hydrogen atom and whereby n is from 0-20 and each R.sup.4 is the same or different; OR.sup.2 represents the residue of an olfactive alcohol or of the enol form of an olfactive aldehyde or olfactive ketone; {character pullout} is 0, 1 or 2; and {character pullout} is 0, 1, 2 or 3. The compounds can be used in the manufacture of odorant compositions used in the preparation of cosmetic and laundry products.

Loading the Abstract Image...

First Claim