The present invention relates to new classes of odorous tetrahydropyran-4-ol derivatives of formula X and/or alkene derivatives thereof of formula Y1 and Y2 which are useful as fragrance or flavor materials in particular in providing camphoraceous, woody, earthy, and/or patchouli-like notes to perfume, aroma or deodorizing/masking compositions. The present invention also relates to fragrance, flavor and/or deodorizing/masking compositions comprising said new classes of odorous tetrahydropyran-4-ol derivatives and/or alkene derivatives thereof.

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The present invention relates to new classes of odorous tetrahydropyran-4-ol derivatives of formula X and/or alkene derivatives thereof of formula Y1 and Y2 which are useful as fragrance or flavor materials in particular in providing camphoraceous, woody, earthy, and/or patchouli-like notes to perfume, aroma or deodorizing/masking compositions. The present invention also relates to fragrance, flavor and/or deodorizing/masking compositions comprising said new classes of odorous tetrahydropyran-4-ol derivatives and/or alkene derivatives thereof.

##STR00001##

The present invention relates to substituted 4-methylene-tetrahydropyrans, 4-methyl-dihydropyrans and 4-methyl-tetrahydropyrans of formula (I), where the variables are as defined in the claims and description, to a stereoisomer thereof, to a mixture of stereoisomers thereof, to a mixture of different di- and tetrahydropyrans (I) and to a mixture containing at least one di- or tetrahydropyran (I) and at least one cyclic acetal which is a 1,3-dioxan carrying in 2-position an isobutanol-2-yl-(derived) substituent and in 4,4- or 5,5-position two methyl substituents. The invention also relates to the use of such compounds as an aroma chemical and/or for modifying and/or enhancing the aroma of a composition, to compositions comprising such compounds, to methods for preparing such compounds and to a product obtainable by these methods.

##STR00001##

The present disclosure provides compositions and methods for metathesizing a first alkenyl or alkynyl group with a second alkenyl or alkynyl group, the composition comprising a ruthenium metathesis catalyst and a photo-redox catalyst that is activated by infrared light.

The present disclosure provides compositions and methods for metathesizing a first alkenyl or alkynyl group with a second alkenyl or alkynyl group, the composition comprising a ruthenium metathesis catalyst and a photo-redox catalyst that is activated by infrared light.

The present invention refers to dihydropyran derivatives, and to a process of making the same. The invention further refers to perfume compositions and fragranced articles comprising them.

The present invention refers to dihydropyran derivatives, and to a process of making the same. The invention further refers to perfume compositions and fragranced articles comprising them.

The present disclosure is generally directed to compounds which can inhibit AAK1 (adaptor associated kinase 1), compositions comprising such compounds, and methods for inhibiting AAK1.

The present disclosure is generally directed to compounds which can inhibit AAK1 (adaptor associated kinase 1), compositions comprising such compounds, and methods for inhibiting AAK1.

System and methods are disclosed with a holding tank to receive liquid and cryogenically frozen biomass; a cavitator to generate shock waves and pressure variations, wherein the shock waves and pressure variations are to the biomass and the liquid to separate oil from the biomass; a sensor to determine when oil concentration exceeds a threshold; and a valve to transfer the oil and liquid to an oil tank when the threshold is met.