Abstract: The invention relates to the use of 5-acetyl-2,5-dimethyl-2-hydroxy-tetrahydrofuran-3-one (diacetyl dimer of formula (I)) in the form of one of its stereoisomers or in the form of a mixture consisting of or containing two, three or four of its stereoisomers (i) for imparting, intensifying and/or modifying a creamy and/or fatty sensation in the mouth, (ii) for imparting, intensifying and/or modifying a sweet, buttery, cream-like and/or creamy flavor; and/or (iii) as an aromatic and/or flavoring substance.

Abstract: The invention concerns the use of 2E,4E-decadienoic acid-N-isobutylamide (trans-pellitorin) as flavorant, in particular as salivation inducing flavor substance, preferably in a foodstuff or nutrient, an oral hygienic preparation or a gourmet or snack preparation. Further, the invention concerns preparations, semi-finished preparations as well as fragrance, aroma and taste compositions, containing trans-pelletorin as well as a processes for the production of trans-pelletorin.

Abstract: The invention relates to the use of 5-acetyl-2,5-dimethyl-2-hydroxy-tetrahydrofuran-3-one (diacetyl dimer of formula (I)) in the form of one of its stereoisomers or in the form of a mixture consisting of or containing two, three or four of its stereoisomers (i) for imparting, intensifying and/or modifying a creamy and/or fatty sensation in the mouth, (ii) for imparting, intensifying and/or modifying a sweet, buttery, cream-like and/or creamy flavour; and/or (iii) as an aromatic and/or flavouring substance.

Abstract: Described is a mixture comprising or consisting of intact, separated citrus juice sacs with aroma addition, wherein these citrus juice sacs have based on their total weight an aroma content of 50 ppm (0.005% by weight) or more.

Abstract: The use of 2-(1,1,4-trimethylpent-3-enyl)-4,7-dihydro-1,3-dioxepin as an agent for providing (a) hair or (b) textile fibres with a fresh smell is described.

Abstract: The use of a hydroxyphenylalkadione derivative of the formula (I) wherein, for X, a and Y: X is a —CH2—, —NH— or —O— group, Y is a —CH2— group and a is a single bond or X and Y are in each case a —CH— group and a is a double bond in the Z or E configuration, wherein, for R1, R2 and R3 R1 denotes hydrogen, an aliphatic radical having 1 to 4 C atoms or a —O—R5, —S—R5 or —NR5R6 group and R2 and R3 independently of one another denote hydrogen or an alkyl having 1, 2, 3, 4 or 5 C atoms which is optionally substituted by one or more oxo groups or R7—O— groups or R1 and R2 together form an aliphatic ring which contains a total of 4 to 10 carbon atoms and 0 or 1 oxygen atom, wherein the ring constituent represented by R1 and R2 is optionally substituted by one or more oxo groups and/or R7—O— groups and/or aliphatic radicals having 1 to 4 C atoms and R3 denotes hydrogen or an alkyl having 1, 2, 3, 4 or 5 C atoms which is optionally substituted by one or more oxo groups or R7—O— groups or R2 and

Abstract: The use is described of hydroxybenzoic acid amides having formula (I) wherein R1 to R5 mutually independently denote hydrogen, hydroxy, methoxy or ethoxy, with the proviso that at least one of the radicals R1 to R5 denotes hydroxy. and R6 denotes hydrogen, methyl or ethyl and n denotes 1 or 2, their salts and mixtures thereof, to mask or reduce the unpleasant flavour impression of an unpleasantly tasting substance and/or to strengthen the sweet flavour impression of a sweet substance.

Abstract: The present invention relates to a compound of the formula (I) wherein R1 denotes hydrogen or methyl, and R2 and R3 independently of one another denote methyl or ethyl.

Abstract: The invention relates to the use of 3-mercapto-3-methyl-hexan-1-ol as a malodour standard. Particularly effective fragrance compositions masking sweat odour can be determined using this standard. The invention also relates to methods for checking the masking of sweat odour, methods for producing fragrance compositions masking sweat odour and personal hygiene products and air fresheners containing such compositions.

Abstract: The use of a compound of the formula I in which R1 is the radical (a) of the enol form of an aldehyde having 6 or more C atoms or (b) of a ketone having 10 or more C atoms and R2 is an (a) branched or unbranched C1 to C4 alkyl group or (b) branched or unbranched C2 to C4 alkylene group, as a fragrance precursor.

Abstract: There are provided new 3-hydroxy-4-aryl-5-oxo-pyrazoline derivatives of the formula (I) in which A and B are identical or different and independently of one another in each case represent hydrogen, alkyl, alkenyl, alkynyl, alkoxyalkyl, alkylthioalkyl, cycloalkyl or optionally substituted aryl or A and B together represent the bivalent radical of a saturated or unsaturated, optionally substituted, mono-, bi-, tri- or polycyclic system, X represents alkyl, halogen or alkoxy, Y represents hydrogen, alkyl, halogen, alkoxy or halogenoalkyl, Z represents alkyl, halogen or alkoxy, n represents a number 0, 1, 2 or 3, G represents hydrogen (a) or the groups —CO—R1 (b ), —SO2—R3 (d), or E (g), in which E represents a metal ion equivalent or an ammonium ion, L and M represents oxygen and/or sulphur, and R1, R2, R3, R4, R5, R6 and R7 have the meaning given in the text of the application.

Abstract: The invention relates to new furfurylthioalkanes of the formula ##STR1## wherein n can be zero or 1R represents the methyl or ethyl radical if n is 0, and represents hydrogen or the methyl radical if n is 1, andR' represents methyl or ethyl,a process for their preparation and their use as aroma substances.

Abstract: 5-Z-octenyl esters of the formula ##STR1## in which R represents hydrogen, methyl or ethyl, have an intensive mango aroma, so that the compounds I can be added to fruit compositions and aroma compositions; they have flavor-intensifying and flavor-rounding action.

Abstract: Compounds of the formulae ##STR1## in which R is hydrogen or methyl, and the dashed lines represent an additional bond in the 11- or 12-position,have extraordinary olfactory properties.

Abstract: Use of 3-acylthiohexyl esters of the formula ##STR1## wherein R.sup.1 and R.sup.2 independently of one another represent hydrogen, C.sub.1 -C.sub.6 -alkyl or C.sub.5 -C.sub.12 -aryl, including furyl and thienyl, as aroma and/or odoriferous substances, and aroma and odoriferous substance compositions containing these compounds.

Abstract: New 3-arylpyrrolidine-2,4-dione derivatives of the formula (I): ##STR1## in which the variables A, B, E, R, X, Y, Z and n are set forth in the specification, are useful as insecticides, acaricides, and herbicides.

Abstract: There are provided new 3-hydroxy-4-aryl-5-oxo-pyrazoline derivatives of the formula (I) ##STR1## in which A and B are identical or different and independently of one another in each case represent hydrogen, alkyl, alkenyl, alkynyl, alkoxyalkyl, alkylthioalkyl, cycloalkyl or optionally substituted aryl orA and B together represent the bivalent radical of a saturated or unsaturated, optionally substituted, mono-, bi-, tri- or polycyclic system,X represents alkyl, halogen or alkoxy,Y represents hydrogen, alkyl, halogen, alkoxy or halogenoalkyl,Z represents alkyl, halogen or alkoxyn represents a number 0, 1, 2 or 3,G represents hydrogen (a) or the groups ##STR2## in which E represents a metal ion equivalent or an ammonium ion,L and M represents oxygen and/or sulphur,and R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 have the meaning given in the text of the application.

Abstract: There are provided an aryl carboxylic acid derivatives of the formula (XVIa) ##STR1## Aryl carboxylic acid derivatives of the formula (XVIa) have a particularly pronounced activity against animal pests, in particular against insects and arachnids, and against weeds.

Abstract: There are provided new 3-hydroxy-4-aryl-5-oxo-pyrazoline derivatives of the formula (I) ##STR1## The new 3-hydroxy-4-aryl-5-oxo-pyrazoline derivatives of the formula (I) have a particularly pronounced activity against animal pests, in particular against insects and arachnids, and against weeds.

Abstract: There are provided new 3-hydroxy-4-aryl-5-oxo-pyrazoline derivatives of the formula (I) ##STR1## The new 3-hydroxy-4-aryl-5-oxo-pyrazoline derivatives of the formula (I) have a particularly pronounced activity against animal pests, in particular against insects and arachnids, and against weeds.