219727-28-3Relevant articles and documents
AMINO-PYRIDINE-CONTAINING SPLEEN TYROSINE KINASE (SYK) INHIBITORS
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Paragraph 00160, (2014/05/24)
The invention provides certain amino-pyridine-containing compounds of the Formula (I) (I) or pharmaceutically acceptable salts thereof, wherein R3, R4, R5, R6, and the subscript n are as defined herein. The invention also provides pharmaceutical compositions comprising such compounds, and methods of using the compounds for treating diseases or conditions mediated by Spleen Tyrosine Kinase (Syk) kinase.
Preparation of highly functionalized pyridylmagnesium reagents for the synthesis of polyfunctional pyridines
Bérillon, Laurent,Leprêtre, Anne,Turck, Alain,Plé, Nelly,Quéguiner, Guy,Cahiez, Gérard,Knochel, Paul
, p. 1359 - 1360 (2007/10/03)
Functionalized iodopyridines bearing either a chloride, ester or nitrile function were converted to the corresponding organomagnesium derivatives at -40°C or -78°C by treatment with i-PrMgBr (1.1 equiv, 0.5 h, > 90% yield). The resulting functionalized Grignard reagents react with aldehydes, TosCN directly or with allylic bromides and benzoyl chloride after transmetalation with CuCN leading to polyfunctional pyridines.