FRAGRANCE PRECURSORS

The present invention is a fragrance precursor of formula I:for a fragrant ketone of formula II:and a fragrant ester of formula III:wherein,R1 to R5 represent independently H, -NO2, linear or branched C1-C6-alkyl, C1-C6-alkenyl, C1-C6-alkinyl or C1-C4-alkoxy,R1 and R2,R2 and R3, R3 and R4, and R4 an...

Full description

Saved in:
Bibliographic Details
Main Authors SAMUEL DERRER, CAROLINE PLESSIS, MARKUS GAUTSCHI
Format Patent
LanguageEnglish
Published 21.06.2004
Edition7
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES
CANDLES
CHEMISTRY
DETERGENT COMPOSITIONS
DETERGENTS
ESSENTIAL OILS
FATTY ACIDS THEREFROM
METALLURGY
ORGANIC CHEMISTRY
PERFUMES
PRODUCING (PRESSING, EXTRACTION), REFINING AND PRESERVINGFATS, FATTY SUBSTANCES (e.g. LANOLIN), FATTY OILS AND WAXES,INCLUDING EXTRACTION FROM WASTE MATERIALS
RECOVERY OF GLYCEROL
RESIN SOAPS
SOAP OR SOAP-MAKING
USE OF SINGLE SUBSTANCES AS DETERGENTS
Online AccessGet full text

Cover

More Information
Summary:The present invention is a fragrance precursor of formula I:for a fragrant ketone of formula II:and a fragrant ester of formula III:wherein,R1 to R5 represent independently H, -NO2, linear or branched C1-C6-alkyl, C1-C6-alkenyl, C1-C6-alkinyl or C1-C4-alkoxy,R1 and R2,R2 and R3, R3 and R4, and R4 and R5 may form together one or two aliphatic or aromatic rings,R6 and R7 are independently H, linear or branched C1-C6-alkyl-, C1-C6-alkenyl, C1-C6-alkinyl, andR8 and R9 are the residues of an acid R8-COOH and an alcohol R9OH respectively forming the fragrant ester of formula III. A method for providing an odor by admixing with a product a fragrance precursor as detailed above.
Bibliography:Application Number: SG20010001649