V.mane Fils

Caroline Plessis

Jean-Jacques Chanot

Jean M Mane

Agnès Muratore

Agnes Muratore

A compound of formula (I) is provided wherein R represents a linear or branched C5 alkyl group, as well as the use of such compounds in a fragrant and/or flavoring composition, or as a masking agent for odors and/or flavors.

Pyran derivatives and their preparation

Cyclohexenone and cyclohexenol compounds are provided having specific fragrances and remanence properties, along with methods for synthesizing these compounds, including obtaining the compound by condensing a ketone on an &#x3b1;-methylene-aldehyde in order to obtain, by means of a domino reaction, compounds of formula (II) as follows: 

Method for synthezising cyclohexenones for use in the perfume industry and compounds obtained thereby

The present invention concerns a method for synthesizing cyclohexenone and cyclohexenol compounds having specific fragrances and remanence properties, said method consisting in condensing a ketone on an &#x3b1;-methylene-aldehyde in order to obtain, by means of a domino reaction, compounds of formula (I). 

Method for synthesising cyclohexenones and the use of same in the perfume industry

A process of preparing a compound of formula (I) wherein R represents a linear or branched C5 alkyl group, as well as the use of such compounds in a fragrant and/or flavoring composition. 

Pyran derivatives, their preparation and use thereof in perfumery

The invention relates to a compound of general formula I represented below: wherein:

Cycloalkane aldehydes, method for preparing same, and use thereof in the perfume industry

The invention is directed to the use of compounds of formula (I), as fragrant agents. In this formula: &#x2014;Rand Rare independently a hydrogen atom, a C1-C6 alkyl group or a C2-C6 alkenyl group, Ris a C1-C6 alkyl group, a C2-C6 alkenyl group or a (CH)-aryl group, Ris a C1-C6 alkyl group, a C2-C6 alkenyl group, a (CH2)-aryl group or a C5-C6 cycloalkyl or cycloalkenyl group, and Ris a hydrogen atom, a C1-C6 alkyl group or a C2-C6 alkenyl group; or R, Rand Rare as above defined, and Rand Rtogether with the carbon atom to which they are attached form a C5-C6 cycloalkyl or cycloalkenyl group. 

Bicyclic dioxanes, their preparation and their use as fragrant compounds

Pyran derivatives of general formula (I) wherein

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Chateauneuf, France

Caroline Plessis