V.mane Fils

Other

Jean-Jacques Chanot

Jean M Mane

Caroline Plessis

Martin Schroeder

Agnés Muratore

Agnès Muratore

Piotr Jaunky

Agnes Muratore

Fabrice Le Borgne

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 concerns the use of 6-cyclopentylidenehexane derivatives&#x2014;6, cyclopentylidenehexan-1-ol and 6-cyclopentylidenehexanal&#x2014;as sensory agents giving off a fragrance and/or a flavor of interest for a use in perfumery, in cosmetic, in parapharmacy, in detergent industry and in the food industry.

Sensory use of 6-cyclopentylidenehexane derivatives

The invention relates to a compound of general formula (I) shown hereafter: as well as a composition comprising at least said compound of general formula (I), and its uses in perfumery.

5,5-dimethyl-2-propyl-hexahydro-2,4a-methano-naphthalen-1-one as a fragrance agent

The invention relates to the chemistry of fragrances and to the field of perfumery. It relates more particularly to compounds with a woody note, responding to the general formula: in which:

Compounds with a woody note

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 relates to novel aldehydes and nitriles from isophorone with general formula (I) having a specific fragrance (Formula I) (I), as well as to the use of said compounds in perfumery. 

Aldehydes and nitriles from isophorone and the use thereof in perfumery

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

The invention relates, in particular to a tetrahydropyran(on) compound which is substituted in position beta with respect to a cycle oxygen of formula (I), wherein a substituent R is a linear alkyl radical in C2:C10 including, (CH)CH&#x2014; or CH&#x2014;(CH)&#x2014;, with m=0 or 1, or formula (II), wherein A is &#x2014;CH&#x2014; or &#x2014;CO&#x2014;, in the form of an odorant and to a method for the synthesis thereof by reducing oxo-ester. The use of the inventive compound in composition such as perfumery compositions in the ordinary sense of the term i.e. topic, in particular cosmetic compositions and care products.

Beta-substituted tetrandropyrana (on) s and method for the synthesis and the use thereof

A compound of formula (I); its structure represented with dotted lines being either cis- or trans-double bonds wherein: A) Rrepresents a hydrogen atom and Rrepresents an OH, OCHor OCHgroup while either a) R, R, and Reach represent hydrogen atoms with R, R, and Reach representing methyl radicals; b) R, R, and Reach represent hydrogen atoms with R, R, and Reach representing methyl radicals; or c) R, Rand Reach represent hydrogen atoms with R, R, and R, each representing methyl radicals; or B) Rrepresents a hydrogen atom; R, R, and Reach represent hydrogen atoms with R, R, and Reach representing a methyl radical while Rrepresents OH, OCHor OCHgroups when dotted lines are present; when dotted lines are absent, Rrepresents either OCHor OCHgroups. At least one compound is applied as an odorant agent.

Trimethylcyclododecatriene derivatives, use thereof and perfumed products containing the same

The invention concerns a novel compounds of formula (I), wherein the dotted line bond is present or not, and wherein Rrepresents: when the dotted line bond is present &#x2014;CHCHOH or &#x2014;CHCHOCOR or &#x2014;CHCHXCHCHOHR' or &#x2014;CHCHOCHR&#x2032;CHOH or formula (II) when the dotted line bond is absent &#x2014;CHCHOH or &#x2014;CHCHOCOR or &#x2014;COCHor formula (II) or &#x2014;CHCHXCHCHOHR&#x2032; or &#x2014;CHCHXCHCHOHR&#x2032; or &#x2014;CHCHOCHR&#x2032;CHOH or &#x2014;CHCHCOR&#x2032; or &#x2014;CHCHCHR&#x2032;OH or &#x2014;CHCHCHR&#x2032;OCOR or CHCHCHOHR&#x2032; or &#x2014;CHCHCHR&#x2032;OCOR, wherein R represents H, Me, Et, Pr, isoPr, But, isoBut, CHCH), (CH)CHCH, CHCH, (CH3)CCH, and R&#x2032; represents H, Me or Et, and X represents O, N or S, and their preparation method. Because of their fragrance, said compounds are highly interesting for the perfume industry, for cosmetic and care products.

Growing community of inventors

Speracedes, France

Jean-Jacques Chanot