3221-25-8Relevant articles and documents
Selective, Catalytic, and Dual C(sp3)-H Oxidation of Piperazines and Morpholines under Transition-Metal-Free Conditions
Chamorro-Arenas, Delfino,Osorio-Nieto, Urbano,Quintero, Leticia,Hernández-García, Luís,Sartillo-Piscil, Fernando
, p. 15333 - 15346 (2019/01/03)
By using cheap and innocuous reagents, such as NaClO2, NaOCl, and catalytic amounts of TEMPO, a new environmentally friendly protocol for the selective and catalytic TEMPO C(sp3)-H oxidation of piperazines and morpholines to 2,3-diketopiperazines (2,3-DKP) and 3-morpholinones (3-MPs), respectively, has been developed. This novel direct access to 2,3-DKP from piperazines provides significant advantages over the traditional N-monoacylation/intramolecular C-N cyclization procedure. Additionally, by modulating the amounts of TEMPO, 2-alkoxyamino-3-morpholinone can be prepared from morpholine derivatives, which would enable further functionalization at the C2 position of the morpholine skeleton.
SUBSTITUTED N-(1H-INDAZOL-4-YL)IMIDAZO[1,2-a]PYRIDINE-3-CARBOXAMIDE COMPOUNDS AS TYPE III RECEPTOR TYROSINE KINASE INHIBITORS
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Page/Page column 60, (2012/06/30)
Compounds of Formula I: and pharmaceutically acceptable salts thereof in which R1, R2, R3, R4, R5 and R6 have the meanings given in the specification, are inhibitors of cFMS and are useful in the treatment of fibrosis, bone-related diseases, cancer, autoimmune disorders, inflammatory diseases, cardiovascular diseases, pain and burns in a mammal