专利号:US-9994526-B2 优先权日:2011-04-04 标 题 :Process intermediates and methods for the preparation of process intermediates for the synthesis of argatroban monohydrate 发明人:STIVANELLO MARIANO; HUBER FLORIAN ANTON MARTIN; RICCI ANTONIO 权利人:LUNDBECK PHARMACEUTICALS ITALY S P A 摘要:Methods are provided for the synthesis of key intermediates for the synthesis of Argatroban monohydrate, ethyl (2R,4R)-1-[(2S)-2-amino-5-[[imino(nitroamino)methyl]amino]-1-oxopentyl]-4-methylpiperidine-2-carboxylate compounded with HCl. Such intermediates are also provided.
专利号:US-8927708-B2 优先权日:2013-03-26 标 题 :Process for the synthesis of 7,8-dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one compounds, and application in the synthesis of ivabradine 发明人:LE FLOHIC ALEXANDRE 权利人:SERVIER LAB 摘要:Process for the synthesis of the compound of formula (I): n nwherein R represents a para-methoxybenzyl (PMB) group or the following group:n n nApplication in the synthesis of ivabradine and addition salts thereof with a pharmaceutically acceptable acid.
专利号:US-9126995-B2 优先权日:2011-11-08 标题:Method for catalytic asymmetric synthesis of optically active isoxazoline compound and optically active isoxazoline compound 发明人:TOYAMA KEN-ICHI; MORIYAMA YUJI; MATOBA KAZUTAKA; YAOSAKA MANABU; IKEDA EITATSU 权利人:NISSAN CHEMICAL IND LTD 摘要:There is provided a method for catalytic asymmetric synthesis of optically active isoxazoline compound and an optically active isoxazoline compound. A method for catalytic asymmetric synthesis of optically active isoxazoline compound of a formula (6) including reacting an α,β-unsaturated carbonyl compound of a formula (1) and a hydroxylamine in a solvent in the presence of a base by adding a chiral phase transfer catalyst. An optically active isoxazoline compound of a formula (13) that can be synthesized by the method.
专利号:WO-2023166160-A1 优先权日:2022-03-04 标 题:Process for synthesis of 1,4-dihydronicotinamide riboside (nrh) from nicotinamide-beta-riboside triacetate chloride (nra-cl) 发明人:MALKANNAGARI RAMANI; GUNDAPUNENI RAGHAVA RAO; BOHAN FRODE 权利人:BOHAN & CO AS 摘要:The present invention disclose novel process for synthesis of 1,4- dihydronicotinamide riboside (NRH). More particularly, the invention discloses a cost-effective synthesis of 1, 4-dihydronicotinamide riboside (NRH) from Nicotinamide-beta-riboside triacetate chloride (NRA-CI) in good yields and purity comprising the steps of a) reducing Nicotinamide-beta-riboside triacetate chloride (NRA-CI) in presence of non-chlorinated aprotic organic solvent and a reducing agent to obtain 1,4-dihydronicotinamide riboside triacetate (NRH-A); and b) deacetylating the 1,4-dihydronicotinamide riboside triacetate (NRHA) in presence of a base to obtain 1,4-dihydronicotinamide riboside(NRH)
专利号:US-9422326-B2 优先权日:2012-09-04 标 题:Process for preparing 11-methylene-18-methyl-estr-4-en-3, 17-dione, useful as intermediate compound for the synthesis of molecules having pharmacological activity 发明人:LENNA ROBERTO; MARIANI EDOARDO; VANOSSI ANDREA 权利人:IND CHIMICA SRL 摘要:There is described a process for the industrial synthesis of 11-methylene-18-methyl-estr-4-en-3,17-dione, a compound having the structure formula (I) depicted below: (Formula I) (I) useful as intermediate compound in the synthesis of the progestin compounds Desogestrel and Etonogestrel.
专利号:WO-2024105700-A1 优先权日:2022-11-18 标 题:A method for the synthesis of anthranilic amide compounds and intermediates thereof 发明人:MALVIYA NITIN; MAL SANJIB; KLAUSENER ALEXANDER G M 权利人:PI INDUSTRIES LTD 摘要:The present invention discloses a method for the synthesis of a compound of formula (V) or a salt thereof, wherein, R, R1, R2, R3, R4a and R4b are as defined in the detailed description. The method further comprises the synthesis of an anthranilic diamide compound of formula (Z).
参考文献:10.1107/s1600536811012943 摘要:Mudraboyina BP, Wang HB, Newbury R, Wisner JA. 2,6-Diamino-pyridinium tetra-phenyl-borate-1,2-bis-(5,7-dimethyl-1,8-naphthyridin-2-yl)diazene (1/1). Acta Crystallogr Sect E Struct Rep Online. 2011 May 01;67(Pt 5):o1222. 参考文献:10.1107/s1600536811015443 摘要:Choi HD, Seo PJ, Son BW, Lee U. 5-Ethyl-3-(3-fluoro-phenyl-sulfon-yl)-2-methyl-1-benzofuran. Acta Crystallogr Sect E Struct Rep Online. 2011 May 01;67(Pt 5):o1278. 参考文献:10.1007/s11745-011-3590-9 摘要:Athamena A, Trajkovic‐Bodennec S, Brichon G, Zwingelstein G, Bodennec J. Synthesis of Phosphatidylcholine Through Phosphatidylethanolamine N‐Methylation in Tissues of the Mussel Mytilus galloprovincialis. Lipids. 2011 Jul 19;46(12):1141–54. doi: 10.1007/s11745-011-3590-9.