[DE] SÄUREGRUPPEN-SUBSTITUIERTE DIPHENYLAZETIDINONE, VERFAHREN ZU DEREN HERSTELLUNG, DIESE VERBINDUNGEN ENTHALTENDE ARZNEIMITTEL UND DEREN VERWENDUNG<br/>[EN] DIPHENYL AZETIDINONES SUBSTITUTED BY ACIDIC GROUPS, METHOD FOR THEIR PRODUCTION, MEDICAMENTS CONTAINING SAID COMPOUNDS AND USE THEREOF<br/>[FR] DIPHENYLAZETINIDONES SUBSTITUEES PAR DES GROUPES ACIDES, PROCEDE DE FABRICATION, MEDICAMENTS CONTENANT CES COMPOSES ET UTILISATION DE CES MEDICAMENTS
申请人:AVENTIS PHARMA GMBH
公开号:WO2004000805A1
公开(公告)日:2003-12-31
Die Erfindung betrifft Verbindungen der Formel (I), worin R1, R2, R3, R4, R5 , and R6 die angegebenen Bedeutungen haben, sowie deren physiologisch verträgliche Salze. Die Verbindungen eignen sich z.B. als Hypolipidämika.
The use of samarium or sodium iodide salts as an alternative for the aza-Henry reaction
作者:Humberto Rodríguez-Solla、Carmen Concellón、Noemí Alvaredo、Raquel G. Soengas
DOI:10.1016/j.tet.2011.12.061
日期:2012.2
A novel reaction of bromonitromethane with a variety of imines in very mild conditions promoted by SmI2 and NaI to afford nitroamines or bromonitroamines is described. When these reactions were performed on sugar-based imines, the corresponding nitroamines or bromonitroamines were obtained in high yields and from moderate to good stereoselectivities. Synthetic possibilities of nitroamines were also
描述了由SmI 2和NaI促进的在非常温和的条件下溴硝基甲烷与各种亚胺的新颖反应,以提供硝基胺或溴硝基胺。当对基于糖的亚胺进行这些反应时,以高收率和中等至良好的立体选择性获得了相应的硝胺或溴硝胺。硝基胺在室温下在吡咯烷存在下用SmI 2 / H 2 O还原也显示出合成的可能性。提出了这种新颖的氮杂-亨利反应的机理。
One-pot sequential multicomponent reaction between <i>in situ</i> generated aldimines and succinaldehyde: facile synthesis of substituted pyrrole-3-carbaldehydes and applications towards medicinally important fused heterocycles
作者:Anoop Singh、Nisar A. Mir、Sachin Choudhary、Deepika Singh、Preetika Sharma、Rajni Kant、Indresh Kumar
DOI:10.1039/c8ra01637b
日期:——
An efficient sequential multi-component method for the synthesis of N-arylpyrrole-3-carbaldehydes has been developed. This reaction involved a proline-catalyzed direct Mannich reaction-cyclization sequence between succinaldehyde and in situ generated Ar/HetAr/indolyl-imines, followed by IBX-mediated oxidative aromatization in one-pot operation. The practical utility of this procedure is shown at gram-scale
Carbon monoxide-driven osmium catalyzed reductive amination harvesting WGSR power
作者:Klim O. Biriukov、Mikhail M. Vinogradov、Oleg I. Afanasyev、Dmitry V. Vasilyev、Alexey A. Tsygankov、Maria Godovikova、Yulia V. Nelyubina、Dmitry A. Loginov、Denis Chusov
DOI:10.1039/d1cy00695a
日期:——
First osmium-catalyzed reductive amination under the water gas–shift reaction conditions was developed. Proposed catalytic system demonstrates high performance even at the catalyst loading as low as 0.0625 mol%.
Iron-Catalyzed Hydrogen Transfer Reduction of Nitroarenes with Alcohols: Synthesis of Imines and Aza Heterocycles
作者:Jiajun Wu、Christophe Darcel
DOI:10.1021/acs.joc.0c02505
日期:2021.1.1
A straightforward and selective reduction of nitroarenes with various alcohols was efficiently developed using an iron catalyst via a hydrogentransfer methodology. This protocol led specifically to imines in 30–91% yields, with a good functional group tolerance. Noticeably, starting from o-nitroaniline derivatives, in the presence of alcohols, benzimidazoles can be obtained in 64–72% yields when the