专利号:US-11858953-B2 优先权日:2018-04-04 标 题:Compositions and methods for synthesis of phosphorylated molecules 发明人:CHAPUT JOHN; LIAO JEN-YU; BALA SAIKAT 权利人:UNIV CALIFORNIA 摘要:The invention provides compositions and methods for synthesis of phosphorylated organic compounds, including nucleoside triphosphates.
专利号:US-2020239921-A1 优先权日:2016-02-03 标 题 :Chemoenzymatic synthesis of s-nucleosyl amino acids (sna), analogs of s-adenosyl-l-methionine and s-adenosyl-l- homocysteine and uses thereof 发明人:BURGOS EMMANUEL SEBASTIEN; SHECHTER DAVID 权利人:ALBERT EINSTEIN COLLEGE MEDICINE 摘要:Disclosed are methods for chemoenzymatic synthesis of S-Nucleosyl Amino acid probes (SNA), analogs of S-adeno-syl-L-methionine and S-adenosyl-L-homo-cysteine, analogs synthesized by the methods, and uses thereof.
专利号:US-6884880-B2 优先权日:2002-08-21 标 题:Process for the preparation of 9-β-anomeric nucleoside analogs 发明人:GUPTA PRANAB K; MUNK STEPHEN A 权利人:ASH STEVENS INC 摘要:A process for substantially enhancing the regio and stereoselective synthesis of 9-β-anomeric nucleoside analogs is described. The introduction of the sugar moiety onto a 6-substituted purine base was preformed so that only the 9-β-D- or L-purine nucleoside analogs were obtained. This regio and stereoselective introduction of the sugar moiety allows the synthesis of nucleoside analogs and in particular 2′-deoxy, 3′-deoxy, 2′-deoxy-2′-β-fluoro and 2′,3′-dideoxy-2′-β-fluoro purine nucleoside analogs in high yield without virtually any formation of the 7-positional isomers. The compounds are drugs or intermediates to drugs.
专利号:US-2005080260-A1 优先权日:2003-04-22 标 题 :Preparation of prodrugs for selective drug delivery 发明人:MILLS RANDELL L; WU GUO-ZHANG 摘要:Synthesis of a chemical compound having the formula A-B-C that may serve for applications such as drug delivery where A is a chemiluminescent, moiety, B is a photochromic moiety, and C is a biologically active moiety where A-B-C may serve as a prodrug. Novel synthetic methods of the present invention to form the prodrug comprised the steps of (1) forming a benzophenone, (2) forming a diaryl ethylene, (3) attaching a phthalimide moiety to at least one of the aryl groups of the ethylene to form a phthalimide-ethylene conjugate, (4) condensing two ethylene-phthalimide conjugates to form a phthalimide-pentadiene conjugate, (5) converting the phthalimide to the phthalhydrazide by reaction with hydrazine to form a carrier compound according to the present invention, and (6) reacting the carrier compound with an nucleophilic moiety of the drug to form the corresponding prodrug. Alternatively the carrier can be prepared by using the halo-substituted diaryl ethylene to make the corresponding cationic leuco dye-like compound with known methods. The cationic compound then is protected by reacting with a nucleophile and coupled with the aminophathalimide by palladium-catalyzed amination to form the protected phthalimide-pentadiene conjugate. The latter is refluxed with hydrazine to convert its phthalimide to the phthalhydrazide and acidified to give the carrier. An additional aspect of the present invention relates to the use of these compounds as antiviral agents for the treatment of viral infections such as HIV and as anticancer agents for the treatment of cancers such as bowel, lung, and breast cancer.
专利号:US-11897913-B2 优先权日:2017-06-14 标 题:Synthesis of 3′-deoxyadenosine-5′-O-[phenyl(benzyloxy-L-alaninyl)]phosphate (NUC-738)
专利号:US-2020239500-A1 优先权日:2018-04-04 标 题 :Compositions and Methods for Synthesis of Phosphorylated Molecules
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合成参考文献
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