专利号:US-7247752-B2 优先权日:2004-10-01 标 题 :Methods for the synthesis of astaxanthin 发明人:LOCKWOOD SAMUEL F; TANG PENG CHO; NADOLSKI GEOFF; JACKSON HENRY L; FANG ZHIQIANG; DU YISHU; YANG MIN; GEISS WILLIAM; WILLIAMS RICHARD; BURDICK DAVID 权利人:CARDAX PHARMACEUTICALS INC 摘要:A method used for synthesizing intermediates for use in the synthesis of carotenoids and carotenoid analogs, and/or carotenoid derivatives. In some embodiments, the invention includes methods for synthesizing optically active intermediates useful for the synthesis of optically active carotenoids. Synthesis of optically active carotenoids, in one embodiment, may be accomplished by forming an optically active dihydroxy intermediate from ketoisopherone. The optically active dihydroxy intermediate may be converted into optically active astaxanthin derivatives.
专利号:US-2021107859-A1 优先权日:2018-04-06 标题 :A process for the synthesis of carbon labeled organic compounds 发明人:AUDISIO DAVIDE; CANTAT THIBAULT; DESTRO GIANLUCA 权利人:COMMISSARIAT ENERGIE ATOMIQUE 摘要:A process for the synthesis of a carbon labeled organic compound containing a carbon labeled carboxyl group is described. A method of using carbon labeled organic compounds containing a carbon labeled carboxyl group according to the present disclosure; a process for manufacturing labeled pharmaceuticals and agrochemicals comprising synthesis of carbon labeled organic compounds containing a carbon labeled carboxyl group according to the present disclosure; and a process for producing tracers comprising synthesis of carbon labeled organic compounds containing a carbon labeled carboxyl group according to the present disclosure are also described.
专利号:US-12383499-B2 优先权日:2018-01-01 标题:Scale up synthesis of silicasome nanocarriers 发明人:NEL ANDRE E; MENG HUAN; LIU XIANGSHENG 权利人:UNIV CALIFORNIA 摘要:In order to facilitate the approval and commercialization of silicasome drug delivery systems (e.g. irinotecan silicasomes) it is necessary to scale up synthesis of the drug-loaded silicasomes. In this regard, it was discovered that the synthesis protocols used for laboratory synthesis of drug-loaded silicasomes (e.g., 500 mg/batch) do not scale to large scale silicasome production, because the resulting products were too heterogeneous for use as pharmaceuticals. Accordingly, new methods are provided herein that effectively afford the large-scale production of mesoporous silica nanoparticles (MSNPs) and lipid bilayer coated MSNPs (silicasomes).
专利号:US-10711138-B2 优先权日:2016-04-08 标题:Intermediates and procedures for the synthesis of functional materials 发明人:KIRSCH PEER; GUNST SUSANN 权利人:MERCK PATENT GMBH 摘要:The present invention relates to heteroaromatic compounds which have two different reactive groups, their use in the synthesis of asymmetrically substituted compounds, and synthesis processes in which the compounds according to the invention are reacted sequentially with two different compounds, whereby an asymmetrically substituted compound is formed.
专利号:US-10696622-B2 优先权日:2016-08-29 标题 :Synthesis of N-vinyl carboxylic acid amides 发明人:DUMOLEIJN KIM; MOONEN KRISTOF; Henricot Alexis; Han Cai Xing Simon 权利人:TAMINCO BVBA; EASTMAN CHEM CO 摘要:Processes and systems for producing N-vinyl carboxylic acid amides are provided herein. According to some aspects of the present invention, a process for producing an N-vinyl carboxylic acid amide is described that eliminates interim solids handling steps during formation of the intermediate compounds, thereby increasing efficiency and reducing cost. The processes and system described herein may be used for the synthesis of N-vinylformamide and its intermediates, including 1-hydroxyethylformamide and 1-alkoxyethylformamide, or for the synthesis of N-methyl,N-vinylformamide and its intermediates, including N-methyl,1-hydroxyethylformamide and N-methyl,1alkoxyethylformamide.
专利号:US-10730904-B2 优先权日:2012-11-14 标 题:Method for liquid-phase synthesis of nucleic acid 发明人:NONOGAWA MITSURU; NAGATA TOSHIAKI; SAITO HIDEKI; YASUMA TSUNEO 权利人:TAKEDA PHARMACEUTICALS CO 摘要:In this method, an oligonucleotide represented by formula (II) [wherein Y 1 , Q, Base, r and r′ are each as defined in claim 1 ] is prepared by using, as a synthesis unit, a novel nucleoside monomer compound represented by formula (I) [wherein X, R 1 , Y, Base, Z, Ar, R 2 , R 3 and n are each as defined in claim 1 ]. The novel nucleoside monomer compound is a nucleoside, the base moiety of which is substituted with an aromatic-hydrocarbon-ring-carbonyl or -thiocarbonyl group having at least one hydrophobic group. The method can dispense with column-chromatographic purification in every reaction, and enables base elongation not only in the 3′-direction but also in the 5′-direction, thus attaining efficient liquid-phase mass synthesis of an oligonucleotide.
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