CAS: 10482-56-1; (S)-2-(4-Methylcyclohex-3-En-1-yl)Propan-2-Ol

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1-Methyl-1-(4-Methyl-3-Cyclohexenyl)Ethyl Hydroperoxide置于三苯基膦体系中,用 二氯甲烷 用作溶剂,化学反应 0.08H,以94%的收率获得α-松油醇
参考文献:二烯与co(II)/ O2 / Et3Sih的过氧化反应合成抗疟药yingzhaosu A类似物.
标题:二烯与co(II)/ O2 / Et3Sih的过氧化反应合成抗疟药yingzhaosu A类似物.
摘要:在分子氧和三乙基硅烷存在下,Co(II)催化的二烯(包括(S)-柠檬烯)的过氧化,通过不饱和过氧自由基的分子内环化作用提供了相应的2,3-二氧杂双环[3.3.1]壬烷衍生物中间体.产物的组成显着地受到二烯的结构,溶剂的性质以及底物和催化剂的浓度的影响.在这项研究中获得的一些yingzhaosu A类似物在体外显示出显着的抗疟活性.
Doi:10.1021/jo030107F

专利信息

专利号:US-4451565-A
优先权日:1981-03-10
标 题:Enzyme-mediated synthesis of esters and lactones
发明人：GATFIELD IAN; SAND THEODOR
权利人:HAARMANN & REIMER GMBH
摘要:In the enzyme-mediated synthesis of an ester or lactone from at least one carboxylic acid of the formula R-CH2-CH2-COOH wherein R is a hydrogen atom, or a hydrocarbon radical which has 1 to 21 carbon atoms and which can be optionally substituted by hydroxyl groups or alkoxy groups with 1 to 10 carbon atoms, with at least one primary or secondary alcohol having 1 to 15 carbon atoms, the improvement which comprises employing as the enzyme the esterase from Mucor miehei and effecting the synthesis in the absence of water. Advantageously, the synthesis is effected at about room temperature, the mol ratio of carboxylic acid to alcohol is from about 1:1 to 1:1.1, and the enzyme is used in a quantity of about 3 to 20% by weight of the carboxylic acid. The absence of water facilitates recovery, as by distillation.

专利号:US-2024082118-A1
优先权日:2021-05-19
标 题:Topical compositions and methods of preparing the same
发明人：ABRAMOVICH SAGI; AVIDOR GAL; LANDA BENZION
权利人:LANDA LABS 2012 LTD
摘要:There is disclosed a composition comprising a water-insoluble thermoplastic compound capable of stimulating collagen synthesis (CSSC), the CSSC having a molecular weight of more than 0.6 kDa and being dispersed in a polar carrier as nano-elements having an average diameter of 200 nm or less and a viscosity of 107 mPa·s or less. The nano-elements of CSSC can be capable of stimulating the synthesis of skin proteins and/or enabling the delivery of active agents upon their application to a surface to be treated therewith. Methods for preparing the compositions and uses thereof are also provided.

专利号:US-8211205-B1
优先权日:2009-07-28
标题:Method of controlled synthesis of nanoparticles
发明人：DIDENKO YURI TROFIMOVICH; NI YUHUA
权利人:DIDENKO YURI TROFIMOVICH; NI YUHUA; UT DOTS INC
摘要:A method for the synthesis and manufacture of metal nanoparticles using metal inorganic salts. The method is simple and uses inexpensive chemicals. The procedure produces nanometals in 100% yields. Method is scalable and produces nanoparticles in unlimited quantities. In this method, a metal inorganic salt is dissolved in a reaction medium, comprised of a solvent and organic amine to create a metal/amine complex. A reducing agent, comprised of a solvent and Sodium Borohydride (NaBH 4 ), is then mixed with the metal/amine complex through titration or through a continuous flow process. The resulting nanoparticles are then precipitated through the addition of methanol and centrifugation and decanted. The decanted nanoparticles can then be suspended in a solvent for storage.

专利号:WO-2024130393-A1
优先权日:2022-12-21
标 题 :Nanoparticle and method of synthesis thereof
发明人：MOSKOVCHENKO SVITLANA
权利人:MOSKOVCHENKO SVITLANA
摘要:The present technology relates to nanoparticles, compositions comprising said nanoparticles, and methods of synthesis of said nanoparticles; wherein the nanoparticles comprise a metal nanoparticle core, a first coating of amphiphilic molecules, and a second coating of essential oil, essential oil primary constituent, or both, which combine the antimicrobial properties of metal nanoparticles, amphiphilic molecules, and essential oil or essential oil primary constituents.

专利号:WO-2023122843-A1
优先权日:2021-12-31
标题:Scaling of a process for producing tio2 doped with carbon quantum dots for use as a photoelectrode in thin-film solar cells
发明人：MATOS LALE JUAN; POON PO SHAN
权利人:UNIV CONCEPCION
摘要:The present invention relates to a process for producing a hybrid TiO2 material doped with carbon quantum dots, useful for producing photoelectrodes to be incorporated into thin-film solar cells. The process comprises: (a) synthesis of the hybrid material, which in turn comprises 3 sub-steps: (a.1) feeding: the following must be added to a reactor in the following order: a solvent, a carbon precursor, and finally titanium isopropoxide, the reactor operating at between 160 and 200°C for a period of between 14 and 18 hours; (a.2) filtering and washing of solids: the obtained solids must be filtered and washed, and the solids must be dried at 80 - 120°C for at least 2 hours; scaling of the feeding was verified at a factor of up to 50 times greater; and (a.3) calcination: the product obtained in step (a.2) must be calcinated at between 300 and 400°C, or 500 and 600°C; and (b) synthesis of the photoelectrode based on TiO2 doped with carbon in the form of thin films: the TiO2 doped with carbon (having an atomic ratio equal to 99:1) is dispersed in a mixture of terpineol and ethyl cellulose having a percentage ratio of 94:6 in excess acetone, constantly stirring for 48 – 72 hours; subsequently, once the layer of hybrid material is deposited on the tin oxide-based electrode doped with fluorine, the acetone is left to evaporate, and it is sintered to remove the terpineol and ethyl cellulose.

专利号:US-2021206711-A1
优先权日:2020-01-03
标 题:Synthesis of the Grape Mealybug Pheromone trans-alpha-Necrodyl Isobutyrate
发明人：CHEBNY VINCENT JAMES
权利人:TRECE INC
摘要:Methods are provided for synthesizing the grape mealybug pheromone, trans-α-necrodyl isobutyrate, starting with essential plant oils that contain trans-α-necrodyl acetate. The synthesis method, in two steps, converts the trans-α-necrodyl acetate to trans-α-necrodol and then converts the trans-α-necrodol to the desired trans-α-necrodyl isobutyrate. The first step can be achieved by either of a hydrolysis reaction or a reduction reaction. In the hydrolysis reaction, the essential oil is mixed in an alcohol solvent with a hydroxide base, or by mixing the essential oil in an aqueous acid. A reduction reaction can instead by performed in an organic solvent in the presence of a reducing agent. The trans-α-necrodol is converted to the desired trans-α-necrodyl isobutyrate by an esterification reaction with a carboxylic acid, an acyl halide, or an acid anhydride.