Copper-Catalyzed C–N Cross-Coupling of Substituted 2-Halobenzoates with Secondary Acyclic Amides
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http://www.thieme-connect.com/DOI/DOI?10.1055/s-0033-1338800
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资源简介：
The copper-catalyzed C–N cross-coupling of poorly nucleophilic acyclic secondary amides with sterically hindered substituted 2-halobenzoates has been demonstrated with 1,4-dimethyl-3,4-dihydro-1H-benzo[e][1,4]diazepin-5(2H)-one (DMBDO) as ligands for the first time. The protocol is effective for the synthesis of hindered tertiary amides. We also found that the alkoxycarbonyl (CO2R) group has a strong ortho-substituent effect on a Goldberg-type C–N coupling reaction.
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© Georg Thieme Verlag
创建时间：
2015-04-27
