An efficient synthesis of 11H-pyrido[2,1-b]quinazolin-11-one through palladium-catalyzed C(sp(2))-H pyridocarbonylation of N-aryl-2-aminopyridines has been developed. The pyridyl group acts as an intramolecular nucleophile for the first time in C-H carbonylation reactions.
Dongdong Liang, Yimiao He, Qiang Zhu. Palladium-catalyzed C(sp2)-H pyridocarbonylation of N-aryl-2-aminopyridines: dual function of the pyridyl moiety. Organic letters. 2014 May 16;16(10):2748-51
PMID: 24804565
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