| 摘要 |
<p num="1"><br/>The present invention relates to a fragrance <br/>precursor compound comprising one or more of the compounds <br/>derived from the reaction of X-OH and an aldehyde or ketone, <br/>said fragrance precursor compounds being of the formula <br/>X-O-C(R)(R*)(R**) wherein R is a C6-24 alkyl group, a C6-24 aralkyl <br/>group or a C6-24 alkaryl group; R* is H or a C6-24 alkyl group, a <br/>C6-24 aralkyl group or a C6-24 alkaryl group; R** is O-H or O-X; <br/>O-X representing a moiety derived from X-OH, and wherein X-OH <br/>is a material containing at least one hydroxyl group chosen <br/>from surfactants containing at least one hydroxyl group, fabric <br/>softener materials containing at least one hydroxyl group, <br/>softener precursor ester amines containing at least one <br/>hydroxyl group, softener precursor amido amines containing at <br/>least one hydroxyl group, hair conditioners containing at least <br/>one hydroxyl group, skin conditioners containing at least one <br/>hydroxyl group, saccharides, and polymers containing at least <br/>one hydroxyl group; wherein X-OH is of the following structure:<br/>(see above formula)<br/> |
