A Concise Synthesis of 2,4-Disubstituted Pyridines: A Convenient Synthesis of 2-Bromo-4-iodopyridine via Halogen Dance and Its Successive One-Pot Disubstitutions
including MDM2 and DNMT1, and thus represents a potential anticancer target. Through comparative analysis of USP7 co-crystal structures in complex with the reported piperidinol inhibitors, we noticed that the USP7 Phe409 sub-site might have good adaptability to the ligands. Based on this observation, 55 N-aromatic and N-benzyl piperidinol derivatives were designed, synthesized and biologically evaluated
Deprotonative Metalation of Chloro- and Bromopyridines Using Amido-Based Bimetallic Species and Regioselectivity-Computed CH Acidity Relationships
作者:Katia Snégaroff、Tan Tai Nguyen、Nada Marquise、Yury S. Halauko、Philip J. Harford、Thierry Roisnel、Vadim E. Matulis、Oleg A. Ivashkevich、Floris Chevallier、Andrew E. H. Wheatley、Philippe C. Gros、Florence Mongin
DOI:10.1002/chem.201101993
日期:2011.11.18
A series of chloro‐ and bromopyridines have been deprotometalated by using a range of 2,2,6,6‐tetramethylpiperidino‐based mixed lithium–metal combinations. Whereas lithium–zinc and lithium–cadmium bases afforded different mono‐ and diiodides after subsequent interception with iodine, complete regioselectivities were observed with the corresponding lithium–copper combination, as demonstrated by subsequent
Pd/Cu-Catalyzed Cascade C(sp<sup>3</sup>)–H Arylation and Intramolecular C–N Coupling: A One-Pot Synthesis of 3,4-2<i>H</i>-Quinolinone Skeletons
作者:Han-Zhi Xiao、Wen-Shu Wang、Yu-Song Sun、Hao Luo、Bo-Wen Li、Xiao-Dong Wang、Wei-Li Lin、Fei-Xian Luo
DOI:10.1021/acs.orglett.9b00214
日期:2019.3.15
In this letter, we successfully explored a cascade Pd/Cu-catalyzed intermolecular C(sp3)–H arylation of amides and intramolecular C–N coupling reaction. This method provides a one-pot strategy to synthesize 3,4-2H-quinolinone with good regioselectivity of C–H arylation and C–N coupling from C–I and C–X bonds from readily available starting materials.
Access to functionalized thienopyridines via a reagent-capsule-assisted coupling, thiolation and cyclization cascade sequence
作者:Jialing Cai、Shuo Huang、Ruenfa He、Lu Chen、Donghan Chen、Shaohua Jiang、Bin Li、Yibiao Li
DOI:10.1039/c6ob02351g
日期:——
Thienopyridines and related heterocycles were prepared by a reagent-capsule-assisted palladium-catalyzed cross-coupling, thiolation and cyclization process in moderate to good yields.