10 results about "Enol ether" patented technology

To provide a method, a perfuming composition and a perfumed consumer product for imparting long-lasting properties for standard perfumery raw materials which are too volatile or have a poor substantivity by themselves or which are only deposited in a small amount on the surface of the final application.SOLUTION: The present invention relates to compounds of formula (I) as properfume compounds. In particular, the present invention relates to a method of releasing a compound, namely, a carbonyl, a formate ester and / or an alcohol represented by specific formulas, by exposing the compound of formula (I) to an environment in which it is oxidized. Moreover, the present invention relates to a perfuming composition and a perfumed consumer product comprising at least one compound of formula (I).SELECTED DRAWING: None

The invention discloses a photoinduced fluorescence enhanced vinyl ether compound as well as a preparation method and application thereof. The vinyl ether compound comprises a sulfuryl vinyl ether compound, a carbon-based vinyl ether compound and an ester-based vinyl ether compound, the vinyl ether compound is subjected to photochemical rearrangement under the irradiation of 254 nm ultraviolet light to generate a planar fused ring structure, and the fluorescence intensity is greatly improved. Through substituent group regulation and control, accurate adjustment of emission wavelength can be realized. The synthesis method is based on click reaction of phenolic monomers and activated alkyne, and the process is simple and efficient. The molecules still keep photoresponsiveness in a solid film (such as a PMMA substrate), are successfully applied to a mask-assisted information input and erasing system, and provide a new technical scheme for the fields of anti-counterfeiting and information storage.

The present invention relates to a process for preparation of substituted cyclohexenes as intermediates for the preparation of substituted enol ether fungicides. The invention also relates to processes for the preparation of novel intermediates of enol ether fungicide synthesis starting from substituted cyclohexenes.

The invention relates to the technical field of medicine synthesis, and particularly discloses a synthesis process of an estrogen regulating medicine. A is used as a starting point of a reaction route, J is prepared through naphthalenone reduction and enol etherification, electron-rich biaryl construction, nitro reduction and benzyl deprotection, secondary amine construction, chiral resolution, acetylation and LAH strong reduction in sequence, all the reaction raw materials are low in price and easy to obtain, the process is stable and mild, the yield is high, and the method has high value for adjusting rapid and mild synthesis of estrogen drugs.

The invention discloses a preparation method of beta-arylamino ketone, which comprises the following steps: S1, under the action of organic alkali and a catalyst, taking ketone and trimethylchlorosilane as raw materials, and carrying out nucleophilic substitution reaction to obtain a trimethylsilyl enol ether derivative; s2, aryl tertiary amine, the trimethylsilyl enol ether derivative, electrolyte and alkaline inorganic salt are dissolved in a solvent containing acetonitrile, an electrochemical oxidation catalytic reaction is carried out, and beta-arylamino ketone is obtained; the beta-arylamino ketone compound is synthesized from aryl tertiary amine and trimethylsilyl enol ether through electrochemical oxidation catalysis, compared with traditional chemistry, the electrochemical synthesis method has the advantages of being environmentally friendly, sustainable, high in efficiency, mild in condition and the like, use of an additional oxidizing agent or reducing agent is avoided, and the cost is reduced. The problems of environmental pollution and metal residues generated when beta-arylamino ketone is synthesized by a traditional method are solved.

To provide a properfume compound.SOLUTION: Provided are compounds of formula (I) as properfume compounds, wherein by exposing the compound of formula (I) to an environment wherein it is oxidized, a corresponding compound being a ketone, a formate ester, and / or an alcohol is released. Moreover, the present invention relates to a perfuming composition and a perfumed consumer product comprising at least one compound of formula (I).SELECTED DRAWING: None

The problem to be solved by the present disclosure is to provide an easily decomposable polymer and a method for decomposing such a polymer. The solution is a copolymer including an unsaturated hydrocarbon segment (A) and an enol ether segment (B), wherein the content of the enol ether segment (B) is 0.005 to 40 mass % of the content of the unsaturated hydrocarbon segment (A), and a method for decomposing the copolymer, including decomposing the copolymer in the presence of an acid.

This invention discloses a cyanoindanone enol ether, its preparation method, and its application in organic photovoltaic materials. The cyanoindanone enol ether comprises at least one of the following structural formulas: R1 is selected from alkyl, aromatic ring, alkyl-substituted or halogen-substituted aromatic ring; R2-R5 are selected from hydrogen, alkyl, halogen, aromatic ring, alkyl-substituted or halogen-substituted aromatic ring. This invention also provides a method for preparing an organic photovoltaic acceptor material, comprising: performing a Knoevenagel condensation reaction on a cyanoindanone enol ether, an aromatic aldehyde, a protic acid, and a condensation reaction solvent to obtain the organic photovoltaic acceptor material. The cyanoindanone enol ether prepared by this invention exhibits excellent solubility, and the isomers show significant differences in retention time in column chromatography, enabling effective separation and purification of the isomers. This provides an effective route for isomer separation, facilitating the synthesis of high-purity organic photovoltaic acceptor materials, and ultimately, the preparation of high-efficiency organic photovoltaic devices.

The invention relates to a method of making a 1,2-dioxetane, the method comprising reacting a naphthalene endo peroxide (NEPO) with the double bond of an enol ether to form the 1,2-dioxetane. The 1,2-dioxetanes are of great commercial interest for a variety of applications, such as singlet oxygen detection, enzyme detection and pathogen (e.g., Salmonella spp. and Listeria spp.) detection.