The present invention refers to processes for catalytic reversible alkene-nitrile interconversion through controllable HCN-free transfer hydrocyanation.

The present invention refers to processes for catalytic reversible alkene-nitrile interconversion through controllable HCN-free transfer hydrocyanation.

The present invention relates to a non-aqueous electrolyte additive, and a non-aqueous electrolyte for a lithium secondary battery including the same and a lithium secondary battery, and particularly, to a non-aqueous electrolyte additive having a nitrile group and a propargyl group, and a non-aqueous electrolyte for a lithium secondary battery and a lithium secondary battery, which include the non-aqueous electrolyte additive so that capacity and cycle lifespan characteristics at high temperature can be improved.

The present invention relates to a non-aqueous electrolyte additive, and a non-aqueous electrolyte for a lithium secondary battery including the same and a lithium secondary battery, and particularly, to a non-aqueous electrolyte additive having a nitrile group and a propargyl group, and a non-aqueous electrolyte for a lithium secondary battery and a lithium secondary battery, which include the non-aqueous electrolyte additive so that capacity and cycle lifespan characteristics at high temperature can be improved.

The present disclosure is directed to the synthesis and application of undecavertol derivatives having unique and desired flavor and/or fragrant characteristics. The compounds of the present disclosure can be employed alone or incorporated as fragrance or flavor ingredients in fragrance or flavor compositions. The present disclosure is also directed to consumer products comprising such derivatives and/or fragrance or flavor compositions.

The present disclosure is directed to the synthesis and application of undecavertol derivatives having unique and desired flavor and/or fragrant characteristics. The compounds of the present disclosure can be employed alone or incorporated as fragrance or flavor ingredients in fragrance or flavor compositions. The present disclosure is also directed to consumer products comprising such derivatives and/or fragrance or flavor compositions.

The present disclosure is directed to the synthesis and application of ethyl linalool derivatives having unique and desired flavor and/or fragrance characteristics. The compounds of the present disclosure can be employed alone or incorporated as fragrance or flavor ingredients in fragrance or flavor compositions. The present disclosure is also directed to consumer products comprising such derivatives and/or fragrance or flavor compositions.

The present disclosure is directed to the synthesis and application of ethyl linalool derivatives having unique and desired flavor and/or fragrance characteristics. The compounds of the present disclosure can be employed alone or incorporated as fragrance or flavor ingredients in fragrance or flavor compositions. The present disclosure is also directed to consumer products comprising such derivatives and/or fragrance or flavor compositions.

The present invention relates to the technical field of acetonitrile refining, and in particular, to an improved acetonitrile purification process for an ultrahigh performance liquid chromatography-mass spectrometer. The present invention provides an acetonitrile purification process. A high-purity finished product may be obtained by performing operations of oxidation, rectification adsorption, drying, reflux rectification and filtration on industrial acetonitrile and controlling related parameters such as temperature, flow and the like, continuous production is ensured, a light transmittance of the finished product in ultraviolet rays of 200 to 260 nm is greater than or equal to 95%, water and impurities in the industrial acetonitrile are removed, and the requirements of the ultrahigh performance liquid chromatography-mass spectrometer are met; moreover, by controlling process parameters and equipment.

The present invention relates to the technical field of acetonitrile refining, and in particular, to an improved acetonitrile purification process for an ultrahigh performance liquid chromatography-mass spectrometer. The present invention provides an acetonitrile purification process. A high-purity finished product may be obtained by performing operations of oxidation, rectification adsorption, drying, reflux rectification and filtration on industrial acetonitrile and controlling related parameters such as temperature, flow and the like, continuous production is ensured, a light transmittance of the finished product in ultraviolet rays of 200 to 260 nm is greater than or equal to 95%, water and impurities in the industrial acetonitrile are removed, and the requirements of the ultrahigh performance liquid chromatography-mass spectrometer are met; moreover, by controlling process parameters and equipment.