📜甲烷二醇,丙烯酸,丙酸,苯甲酸 以 溶剂黄146,甲酸 作为反应溶剂,化学反应生成 二苯醚-联苯共晶 参考文献:Aqueous Solution Comprising Acrylic Acid And The Conjugate Base Thereof 标题:Aqueous Solution Comprising Acrylic Acid And The Conjugate Base Thereof 摘要:一种水溶液,包括至少10%的丙烯酸及其共轭碱,基于水溶液的重量,丙酸及其共轭碱,甲酸及其共轭碱,乙酸及其共轭碱,苯甲酸及其共轭碱,马来酸酐,马来酸及其共轭碱,邻苯二甲酸酐,邻苯二甲酸及其共轭碱,丙烯醛,苯甲醛,2-呋喃醛,以及至少20摩尔%的至少一种碱金属阳离子;制备该溶液的方法;以及利用该溶液通过自由基聚合制备聚合物的用途.
专利号:US-11613514-B2 优先权日:2016-03-25 标题:Crystal forms and methods of synthesis of (2R, 6R)-hydroxynorketamine and (2S, 6S)-hydroxynorketamine 发明人:THOMAS CRAIG; ZARATE CARLOS; MOADDEL RUIN; GOULD TODD; ZANOS PANOS; MORRIS PATRICK 权利人:US HEALTH; UNIV MARYLAND 摘要:The disclosure provides a method for synthesizing free base forms of (2R,6R)-hydroxynorketamine (HNK) and (2S,6S)-hydroxynorketamine. In an embodiment synthesis of (2R,6R)-hydroxynorketamine (HNK) includes preparation of (R)-norketamine via chiral resolution from racemic norketamine via a chiral resolution with L-pyroglutamic acid. The disclosure also provided crystal forms of the corresponding (2R,6R)-hydroxynorketamine (HNK) and (2S,6S)-hydroxynorketamine hydrochloride salts.
专利号:US-RE39650-E 优先权日:1996-10-10 标 题:Surface-active additives in the direct synthesis of trialkoxysilanes 发明人:MENDICINO FRANK D; LEWIS KENRICK M; MAGRI SEBASTIANO; YU HUA; CHILDRESS THOMAS E 权利人:GEN ELECTRIC 摘要:Disclosed is a process in which surface-active additives are used in the slurry phase Direct Synthesis of trialkoxysilanes to shorten the period between the start of the reaction and the attainment of steady-state rates and selectivities, to improve product yields and to control or prevent foam formation. Compositions comprising silicone antifoam compounds and fluorosilicone polymers are the preferred surface-active additives of the instant process.
专利号:US-5728858-A 优先权日:1996-10-10 标题:Activation of copper-silicon slurries for the direct synthesis of trialkoxysilanes 发明人:LEWIS KENRICK M; YU HUA 权利人:OSI SPECIALTIES INC 摘要:Disclosed is an improved process for the slurry phase Direct Synthesis of trialkoxysilanes which comprises the activation of copper catalyst and silicon with a reducing agent such as hydrogen gas, carbon monoxide or monosilane. Such activation affords high, stable reaction rates and selectivities and high silicon overall conversion especially in alkylated benzene solvents.
专利号:US-4820875-A 优先权日:1986-12-23 标 题:Synthesis of carbonyl compounds 发明人:WEBSTER DENNIS E; PLAYER PHILLIP J 权利人:JOHNSON MATTHEY PLC 摘要:In a process for vapour-phase synthesis of carbonyl compounds from alcohols a mixture of the alcohol and air or oxygen is passed over a silver catalyst. The concentration of alcohol:air or alcohol:oxygen is below the explosive limits. The process is conducted as a temperature between 200° and 450° C. Previously the production of carbonyl compounds required a temperature of 450°-700° C. which necessitated the use of heat exchangers using fused salt baths. The silver catalyst may be supported.
专利号:US-7173143-B2 优先权日:2002-08-30 标题 :Integrated method for synthesis propylene oxide 发明人:BENDER MICHAEL; ZEHNER PETER; MACHHAMMER OTTO; MUELLER ULRICH; HARTH KLAUS; SCHINDLER GOETZ-PETER; JUNICKE HENRIK 权利人:BASF AG 摘要:The present invention relates to an integrated process for the synthesis of propylene oxide, which comprises at least the following steps:n (i) dehydrogenation of propane to give a substream T( 0 ) comprising at least propane, propene and hydrogen; (ii) fractionation of the substream T( 0 ) to give at least one gaseous hydrogen-rich substream T( 2 ) and a substream T( 1 ) comprising at least propene and propane; (iii) synthesis of hydrogen peroxide using the substream T( 2 ), giving a substream T ( 4 ) which is rich in hydrogen peroxide and a gaseous substream T( 6 ); (iv) fractionation of the substream T( 1 ) to give at least one propane-rich substream T( 5 ) and at least one propene-rich substream T( 3 ); (v) reaction of the at least one substream T( 3 ) with substream T( 4 ) to give propylene oxide.
专利号:US-6166237-A 优先权日:1999-08-13 标题:Removal of dissolved silicates from alcohol-silicon direct synthesis solvents 发明人:SIMANDAN TIBERIU LADISLAU; MENDICINO FRANK D 权利人:CROMPTON CORP 摘要:Dissolved silanes, silicones and silicates from solvents used in the slurry phase Direct Synthesis of alkoxysilanes are removed by adding a compatabilizing agent and water to generate filterable precipitates and reusable solvent. The solvents are thereby remediated and made suitable for reuse in Direct Synthesis processes. Foaming is reduced with the remediated solvent and silicon conversion rates are higher. The precipitates are easily filtered and retain negligible quantities of solvent.
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合成参考文献
摘要:Harris, P. A., Science of Synthesis Knowledge Updates, (2021) 3, 187. 摘要:Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure, Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982, -(61), 1982 摘要:Toxicology and Biochemistry of Aromatic Hydrocarbons, Gerarde, H., New York, Elsevier, 1960, -(204), 1960 摘要:Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku, Marhold, J.V., Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha, Czechoslovakia, 1972, -(271), 1972 摘要:International Labour Office. Encyclopedia of Occupational Health and Safety. Vols. I&II. Geneva, Switzerland: International Labour Office, 1983., p. 643