Abstract: 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 flavouring composition.

Abstract: A compound of formula (I); its structure represented with dotted lines being either cis- or trans-double bonds wherein: A) R1 represents a hydrogen atom and R2 represents an OH, OCH3 or OC2H5 group while either a) R4, R5, and R7 each represent hydrogen atoms with R3, R6, and R8 each representing methyl radicals; b) R4, R6, and R7 each represent hydrogen atoms with R3, R5, and R8 each representing methyl radicals; or c) R3, R6 and R7 each represent hydrogen atoms with R4, R5, and R8, each representing methyl radicals; or B) R7 represents a hydrogen atom; R1, R4, and R6 each represent hydrogen atoms with R2, R3, and R5 each representing a methyl radical while R8 represents OH, OCH3 or OC2H5 groups when dotted lines are present; when dotted lines are absent, R8 represents either OCH3 or OC2H5 groups. At least one compound is applied as an odorant agent.

Abstract: 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 flavouring composition.

Abstract: This invention relates to campholenic derivatives of general formula (I) Wherein R1, R2, R3, R4 and R5 represent, each independently, a hydrogen atom or a linear or branched C1-C5 alkyl or C2-C5 alkenyl group, Y represents a CN, a C(O)R6 or a CR6(OR?) (OR?) group, wherein R6 represents a hydrogen atom or a linear or branched C1-C5 alkyl or C2-C5 alkenyl group, and R? and R? represent simultaneously a linear or branched C1, C2, C3, C4 or C5 alkyl or C2, C3, C4 or C5 alkenyl group and can form together a cycle, the 5-membered ring is saturated or has a double bond between C3? and C4? in formula (I), and the side chain, optionally, has a double bond between C1 and C2 and/or between C3 and C4, provided that the derivative is not 3-methyl-6-(2,2,3-trimethyl-cyclopent-3-enyl)-hex-4-enal; and their use as fragrant or flavouring agent.

Abstract: The invention relates to a compound of general formula (I) wherein: A) a) R4, R5, and R7 each represent a hydrogen atom and R3, R6 and R8 each represent a methyl radical, or b) R4, R6, and R7 each represent a hydrogen atom and R3, R5 and R8 each represent a methyl radical, or c) R3, R6 and R7 each represent a hydrogen atom and R4, R5 and R8 each represent a methyl radical, and the dotted lines are present and represent cis-double bonds or trans-double bonds, and R1 represents a hydrogen atom and R2 represents an OH, OCH3 or OC2H5 group, or the dotted lines are absent and R1 represents a hydrogen atom and R2 represents an OCH3 group or an OC2H5 group; or B) R1, R4, and R6 each represent a hydrogen atom and R2, R3 and R5 each represent a methyl radical, and the dotted lines are present and represent cis-double bonds or trans-double bonds, and R7 represents a hydrogen atom and R8 represents an OH, OCH3 or OC2H5 bond, or the dotted lines are absent and R7 represents a hydrogen atom and R8 represents an OCH3 group

Abstract: 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, (CH3)2CH— or C6H5—(CH2)m—, with m=0 or 1, or formula (II), wherein A is —CH2— or —CO—, 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.

Abstract: The invention concerns a novel compounds of formula (I), wherein the dotted line bond is present or not, and wherein R1 represents: when the dotted line bond is present —CHCH3OH or —CHCH3OCOR or —CHCH3XCH2CHOHR? or —CHCH3OCHR?CH2OH or formula (II) when the dotted line bond is absent —CHCH3OH or —CHCH3OCOR or —COCH3 or formula (II) or —CHCH3XCH2CHOHR? or —CH2CH2XCH2CHOHR? or —CHCH3OCHR?CH2OH or —CHCHCOR? or —CH2CH2CHR?OH or —CH2CH2CHR?OCOR or CHCHCHOHR? or —CHCHCHR?OCOR, wherein R represents H, Me, Et, Pr, isoPr, But, isoBut, CH3CH2)4, (CH3)2CHCH2, CH2CH, (CH3)2CCH, and R? 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.

Abstract: The invention concerns a novel compounds of formula (I), wherein the dotted line bond is present or not, and wherein R1 represents: when the dotted line bond is present —CHCH3OH or —CHCH3 OCOR or —CHCH3XCH2CHOHR? or —CHCH3OCHR?CH2OH or formula (II) when the dotted line bond is absent —CHCH3OH or —CHCH3OCOR or —COCH3 or formula (II) or —CHCH3XCH2 CHOHR? or —CH2CH2XCH2CHOHR? or —CHCH3OCHR?CH2OH or —CHCHCOR? or —CH2CH2CHR?OH or —CH2CH2CHR?OCOR or CHCHCHOHR? or —CHCHCHR?OCOR, wherein R represents H, Me, Et, Pr, isoPr, But, isoBut, CH3CH2)4, (CH3)2CHCH2, CH2CH, (CH3)2CCH, and R? 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.