期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 83, 期 10, 页码 5698-5706出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.joc.8b00730
关键词
-
资金
- National Natural Science Foundation of China [21676253, 21706234]
A traceless directing group assisted Co-catalyzed C(sp(2))-H carbonylation of ortho-arylanilines for the synthesis of free (NH)-phenanthridinones in metal-based oxidant-free fashion was accomplished. This protocol employs diisopropyl azodicarboxylate as the CO source and oxygen as the sole oxidant, and provides good yields with various functional tolerance. The methodology has been applied for the total synthesis of PARP inhibitor PJ-34. Furthermore, the kinetic isotopic effect experiments reveal the C-H bond cleavage probably occurred in the rate-determining step.
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