专利号:US-11414375-B2 优先权日:2016-07-29 标题:Mild and efficient preparation method for α-acyloxyenamide compounds and use thereof in synthesis of amide and polypeptide 发明人:ZHAO JUNFENG; HU LONG; XU SILIN; ZHAO ZHENGUANG 权利人:UNIV JIANGXI NORMAL 摘要:Disclosed are a mild and efficient preparation method for an α-acyloxyenamide compound and a use thereof in the synthesis of an amide and a polypeptide. The α-acyloxyenamide compound is obtained by an addition reaction of a ynamide and a carboxylic acid in dichloromethane under conditions where the temperature is 0° C. to 50° C.; the produced α-acyloxyenamide compound can react with an amine compound to produce an amide or a polypeptide; the two reactions can be carried out step by step, and can also be carried out in one pot. According to the invention, the reaction conditions are mild and no metal catalyst is required; when the carboxylic acid, which has chirality on an alpha site of carboxyl, forms an amide bond or a peptide bond, no racemization occurs; and the operation is simple and the application range is wide.
专利号:US-10005720-B2 优先权日:2013-04-05 标题:Compounds useful for the treatment of metabolic disorders and synthesis of the same 发明人:SEXTON JONATHAN Z; BRENMAN JAY E; MUSSO DAVID L 权利人:NORTH CAROLINA CENTRAL UNIV; UNIV NORTH CAROLINA CHAPEL HILL 摘要:The present invention provides compounds of Formula (I): wherein variables X, Y, Z and R1 are as described herein. Some of the compounds described herein are glutamate dehydrogenase activators. The invention is also directed to pharmaceutical compositions comprising these compounds, uses of these compounds and compositions in the treatment of metabolic disorders as well as synthesis of the compounds.
专利号:WO-2024256322-A1 优先权日:2023-06-13 标题 :Synthesis of non-ionic radiographic contrast agents by means of reactive extrusion 发明人:LATTUADA LUCIANO; SEBASTIANO ROBERTO; LEONARDI GABRIELLA; CRAVOTTO GIANCARLO; BARGE ALESSANDRO; BUCCIOL FABIO 权利人:BRACCO IMAGING SPA; MILANO POLITECNICO 摘要:The present invention relates to the industrial preparation of non-ionic X-ray contrast agents. In particular, it relates to a process for the synthesis of lopamidol using a reactive extrusion process in continuous which enable an efficient conversion of the relevant key intermediates, preferably in the absence of any solvent. The invention further relates to the preparation of radiographic X-rays contrast agents or key intermediates thereof by exploiting the technology of reactive extrusion.
专利号:US-9315483-B2 优先权日:2007-09-13 标题 :Synthesis of deuterated catechols and benzo[D][1,3]dioxoles and derivatives thereof 发明人:JONES ANDREW D; ZELLE ROBERT E; SILVERMAN I ROBERT 权利人:CONCERT PHARMACEUTICALS INC 摘要:The present invention provides a convenient and efficient process for the synthesis of d 2 -benzo[d][1,3]dioxoles.
专利号:US-12234200-B2 优先权日:2019-04-16 标 题:Synthetic methods of preparing esketamine 发明人:CHEN CHENG YI 权利人:JANSSEN PHARMACEUTICA NV 摘要:The present invention is directed to methods for the asymmetric synthesis of esketamine. The present invention is further directed to key intermediates in the asymmetric esketamine synthesis. In one embodiment, the invention is an asymmetric synthesis of esketamine comprising the conversion of (S)-2′-chloro-2-methoxy-3,4,5,6-5 tetrahydro-[1, 1′-biphenyl]-3-yl carbamate to (S)-2′-chloro-1-isocyanato-6-methoxy-1,2,3,4-tetrahydro-1,1′-biphenyl.
专利号:US-7576211-B2 优先权日:2004-09-30 标题 :Synthesis of thienopyridinone compounds and related intermediates 发明人:DHANOA DALE S; BECKER OREN; NOIMAN SILVIA; CHEN DONGLI; MARANTZ YAEL; SHACHAM SHARON; HEIFETZ ALEXANDER; INBAL BOAZ; BAR-HAIM SHAY; MOHANTY PRADYUMNA; LOBERA MERCEDES; WU LAURENCE 权利人:EPIX DELAWARE INC 摘要:The invention relates to 5-HT receptor agonists and partial agonists. Novel thienopyridinone compounds represented by Formula I, and synthesis and uses thereof for treating diseases mediated directly or indirectly by 5-HT receptors, are disclosed. Such conditions include Alzheimer's disease, cognition disorders, irritable bowel syndrome, nausea, emesis, vomiting, prokinesia, gastroesophageal reflux disease, nonulcer dyspepsia, depression, anxiety, urinary incontinence, migraine, arrhythmia, atrial fibrillation, ischemic stroke, gastritis, gastric emptying disorders, feeding disorders, gastrointestinal disorders, constipation, erectile dysfunction, and respiratory depression. Methods of preparation and novel intermediates and pharmaceutical salts thereof are also included.
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